repository_name stringlengths 7 55 | func_path_in_repository stringlengths 4 223 | func_name stringlengths 1 134 | whole_func_string stringlengths 75 104k | language stringclasses 1 value | func_code_string stringlengths 75 104k | func_code_tokens listlengths 19 28.4k | func_documentation_string stringlengths 1 46.9k | func_documentation_tokens listlengths 1 1.97k | split_name stringclasses 1 value | func_code_url stringlengths 87 315 |
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quora/qcore | qcore/caching.py | lru_cache | def lru_cache(maxsize=128, key_fn=None):
"""Decorator that adds an LRU cache of size maxsize to the decorated function.
maxsize is the number of different keys cache can accomodate.
key_fn is the function that builds key from args. The default key function
creates a tuple out of args and kwargs. If you use the default, there is no reason
not to use functools.lru_cache directly.
Possible use cases:
- Your cache key is very large, so you don't want to keep the whole key in memory.
- The function takes some arguments that don't affect the result.
"""
def decorator(fn):
cache = LRUCache(maxsize)
argspec = inspect2.getfullargspec(fn)
arg_names = argspec.args[1:] + argspec.kwonlyargs # remove self
kwargs_defaults = get_kwargs_defaults(argspec)
cache_key = key_fn
if cache_key is None:
def cache_key(args, kwargs):
return get_args_tuple(args, kwargs, arg_names, kwargs_defaults)
@functools.wraps(fn)
def wrapper(*args, **kwargs):
key = cache_key(args, kwargs)
try:
return cache[key]
except KeyError:
value = fn(*args, **kwargs)
cache[key] = value
return value
wrapper.clear = cache.clear
return wrapper
return decorator | python | def lru_cache(maxsize=128, key_fn=None):
"""Decorator that adds an LRU cache of size maxsize to the decorated function.
maxsize is the number of different keys cache can accomodate.
key_fn is the function that builds key from args. The default key function
creates a tuple out of args and kwargs. If you use the default, there is no reason
not to use functools.lru_cache directly.
Possible use cases:
- Your cache key is very large, so you don't want to keep the whole key in memory.
- The function takes some arguments that don't affect the result.
"""
def decorator(fn):
cache = LRUCache(maxsize)
argspec = inspect2.getfullargspec(fn)
arg_names = argspec.args[1:] + argspec.kwonlyargs # remove self
kwargs_defaults = get_kwargs_defaults(argspec)
cache_key = key_fn
if cache_key is None:
def cache_key(args, kwargs):
return get_args_tuple(args, kwargs, arg_names, kwargs_defaults)
@functools.wraps(fn)
def wrapper(*args, **kwargs):
key = cache_key(args, kwargs)
try:
return cache[key]
except KeyError:
value = fn(*args, **kwargs)
cache[key] = value
return value
wrapper.clear = cache.clear
return wrapper
return decorator | [
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quora/qcore | qcore/caching.py | cached_per_instance | def cached_per_instance():
"""Decorator that adds caching to an instance method.
The cached value is stored so that it gets garbage collected together with the instance.
The cached values are not stored when the object is pickled.
"""
def cache_fun(fun):
argspec = inspect2.getfullargspec(fun)
arg_names = argspec.args[1:] + argspec.kwonlyargs # remove self
kwargs_defaults = get_kwargs_defaults(argspec)
cache = {}
def cache_key(args, kwargs):
return get_args_tuple(args, kwargs, arg_names, kwargs_defaults)
def clear_cache(instance_key, ref):
del cache[instance_key]
@functools.wraps(fun)
def new_fun(self, *args, **kwargs):
instance_key = id(self)
if instance_key not in cache:
ref = weakref.ref(self, functools.partial(clear_cache, instance_key))
cache[instance_key] = (ref, {})
instance_cache = cache[instance_key][1]
k = cache_key(args, kwargs)
if k not in instance_cache:
instance_cache[k] = fun(self, *args, **kwargs)
return instance_cache[k]
# just so unit tests can check that this is cleaned up correctly
new_fun.__cached_per_instance_cache__ = cache
return new_fun
return cache_fun | python | def cached_per_instance():
"""Decorator that adds caching to an instance method.
The cached value is stored so that it gets garbage collected together with the instance.
The cached values are not stored when the object is pickled.
"""
def cache_fun(fun):
argspec = inspect2.getfullargspec(fun)
arg_names = argspec.args[1:] + argspec.kwonlyargs # remove self
kwargs_defaults = get_kwargs_defaults(argspec)
cache = {}
def cache_key(args, kwargs):
return get_args_tuple(args, kwargs, arg_names, kwargs_defaults)
def clear_cache(instance_key, ref):
del cache[instance_key]
@functools.wraps(fun)
def new_fun(self, *args, **kwargs):
instance_key = id(self)
if instance_key not in cache:
ref = weakref.ref(self, functools.partial(clear_cache, instance_key))
cache[instance_key] = (ref, {})
instance_cache = cache[instance_key][1]
k = cache_key(args, kwargs)
if k not in instance_cache:
instance_cache[k] = fun(self, *args, **kwargs)
return instance_cache[k]
# just so unit tests can check that this is cleaned up correctly
new_fun.__cached_per_instance_cache__ = cache
return new_fun
return cache_fun | [
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quora/qcore | qcore/caching.py | get_args_tuple | def get_args_tuple(args, kwargs, arg_names, kwargs_defaults):
"""Generates a cache key from the passed in arguments."""
args_list = list(args)
args_len = len(args)
all_args_len = len(arg_names)
try:
while args_len < all_args_len:
arg_name = arg_names[args_len]
if arg_name in kwargs_defaults:
args_list.append(kwargs.get(arg_name, kwargs_defaults[arg_name]))
else:
args_list.append(kwargs[arg_name])
args_len += 1
except KeyError as e:
raise TypeError("Missing argument %r" % (e.args[0],))
return tuple(args_list) | python | def get_args_tuple(args, kwargs, arg_names, kwargs_defaults):
"""Generates a cache key from the passed in arguments."""
args_list = list(args)
args_len = len(args)
all_args_len = len(arg_names)
try:
while args_len < all_args_len:
arg_name = arg_names[args_len]
if arg_name in kwargs_defaults:
args_list.append(kwargs.get(arg_name, kwargs_defaults[arg_name]))
else:
args_list.append(kwargs[arg_name])
args_len += 1
except KeyError as e:
raise TypeError("Missing argument %r" % (e.args[0],))
return tuple(args_list) | [
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quora/qcore | qcore/caching.py | get_kwargs_defaults | def get_kwargs_defaults(argspec):
"""Computes a kwargs_defaults dictionary for use by get_args_tuple given an argspec."""
arg_names = tuple(argspec.args)
defaults = argspec.defaults or ()
num_args = len(argspec.args) - len(defaults)
kwargs_defaults = {}
for i, default_value in enumerate(defaults):
kwargs_defaults[arg_names[num_args + i]] = default_value
if getattr(argspec, "kwonlydefaults", None):
kwargs_defaults.update(argspec.kwonlydefaults)
return kwargs_defaults | python | def get_kwargs_defaults(argspec):
"""Computes a kwargs_defaults dictionary for use by get_args_tuple given an argspec."""
arg_names = tuple(argspec.args)
defaults = argspec.defaults or ()
num_args = len(argspec.args) - len(defaults)
kwargs_defaults = {}
for i, default_value in enumerate(defaults):
kwargs_defaults[arg_names[num_args + i]] = default_value
if getattr(argspec, "kwonlydefaults", None):
kwargs_defaults.update(argspec.kwonlydefaults)
return kwargs_defaults | [
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quora/qcore | qcore/caching.py | memoize | def memoize(fun):
"""Memoizes return values of the decorated function.
Similar to l0cache, but the cache persists for the duration of the process, unless clear_cache()
is called on the function.
"""
argspec = inspect2.getfullargspec(fun)
arg_names = argspec.args + argspec.kwonlyargs
kwargs_defaults = get_kwargs_defaults(argspec)
def cache_key(args, kwargs):
return get_args_tuple(args, kwargs, arg_names, kwargs_defaults)
@functools.wraps(fun)
def new_fun(*args, **kwargs):
k = cache_key(args, kwargs)
if k not in new_fun.__cache:
new_fun.__cache[k] = fun(*args, **kwargs)
return new_fun.__cache[k]
def clear_cache():
"""Removes all cached values for this function."""
new_fun.__cache.clear()
new_fun.__cache = {}
new_fun.clear_cache = clear_cache
return new_fun | python | def memoize(fun):
"""Memoizes return values of the decorated function.
Similar to l0cache, but the cache persists for the duration of the process, unless clear_cache()
is called on the function.
"""
argspec = inspect2.getfullargspec(fun)
arg_names = argspec.args + argspec.kwonlyargs
kwargs_defaults = get_kwargs_defaults(argspec)
def cache_key(args, kwargs):
return get_args_tuple(args, kwargs, arg_names, kwargs_defaults)
@functools.wraps(fun)
def new_fun(*args, **kwargs):
k = cache_key(args, kwargs)
if k not in new_fun.__cache:
new_fun.__cache[k] = fun(*args, **kwargs)
return new_fun.__cache[k]
def clear_cache():
"""Removes all cached values for this function."""
new_fun.__cache.clear()
new_fun.__cache = {}
new_fun.clear_cache = clear_cache
return new_fun | [
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quora/qcore | qcore/caching.py | memoize_with_ttl | def memoize_with_ttl(ttl_secs=60 * 60 * 24):
"""Memoizes return values of the decorated function for a given time-to-live.
Similar to l0cache, but the cache persists for the duration of the process, unless clear_cache()
is called on the function or the time-to-live expires. By default, the time-to-live is set to
24 hours.
"""
error_msg = (
"Incorrect usage of qcore.caching.memoize_with_ttl: "
"ttl_secs must be a positive integer."
)
assert_is_instance(ttl_secs, six.integer_types, error_msg)
assert_gt(ttl_secs, 0, error_msg)
def cache_fun(fun):
argspec = inspect2.getfullargspec(fun)
arg_names = argspec.args + argspec.kwonlyargs
kwargs_defaults = get_kwargs_defaults(argspec)
def cache_key(args, kwargs):
return repr(get_args_tuple(args, kwargs, arg_names, kwargs_defaults))
@functools.wraps(fun)
def new_fun(*args, **kwargs):
k = cache_key(args, kwargs)
current_time = int(time.time())
# k is not in the cache; perform the function and cache the result.
if k not in new_fun.__cache or k not in new_fun.__cache_times:
new_fun.__cache[k] = fun(*args, **kwargs)
new_fun.__cache_times[k] = current_time
return new_fun.__cache[k]
# k is in the cache at this point. Check if the ttl has expired;
# if so, recompute the value and cache it.
cache_time = new_fun.__cache_times[k]
if current_time - cache_time > ttl_secs:
new_fun.__cache[k] = fun(*args, **kwargs)
new_fun.__cache_times[k] = current_time
# finally, return the cached result.
return new_fun.__cache[k]
def clear_cache():
"""Removes all cached values for this function."""
new_fun.__cache.clear()
new_fun.__cache_times.clear()
def dirty(*args, **kwargs):
"""Dirties the function for a given set of arguments."""
k = cache_key(args, kwargs)
new_fun.__cache.pop(k, None)
new_fun.__cache_times.pop(k, None)
new_fun.__cache = {}
new_fun.__cache_times = {}
new_fun.clear_cache = clear_cache
new_fun.dirty = dirty
return new_fun
return cache_fun | python | def memoize_with_ttl(ttl_secs=60 * 60 * 24):
"""Memoizes return values of the decorated function for a given time-to-live.
Similar to l0cache, but the cache persists for the duration of the process, unless clear_cache()
is called on the function or the time-to-live expires. By default, the time-to-live is set to
24 hours.
"""
error_msg = (
"Incorrect usage of qcore.caching.memoize_with_ttl: "
"ttl_secs must be a positive integer."
)
assert_is_instance(ttl_secs, six.integer_types, error_msg)
assert_gt(ttl_secs, 0, error_msg)
def cache_fun(fun):
argspec = inspect2.getfullargspec(fun)
arg_names = argspec.args + argspec.kwonlyargs
kwargs_defaults = get_kwargs_defaults(argspec)
def cache_key(args, kwargs):
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@functools.wraps(fun)
def new_fun(*args, **kwargs):
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current_time = int(time.time())
# k is not in the cache; perform the function and cache the result.
if k not in new_fun.__cache or k not in new_fun.__cache_times:
new_fun.__cache[k] = fun(*args, **kwargs)
new_fun.__cache_times[k] = current_time
return new_fun.__cache[k]
# k is in the cache at this point. Check if the ttl has expired;
# if so, recompute the value and cache it.
cache_time = new_fun.__cache_times[k]
if current_time - cache_time > ttl_secs:
new_fun.__cache[k] = fun(*args, **kwargs)
new_fun.__cache_times[k] = current_time
# finally, return the cached result.
return new_fun.__cache[k]
def clear_cache():
"""Removes all cached values for this function."""
new_fun.__cache.clear()
new_fun.__cache_times.clear()
def dirty(*args, **kwargs):
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k = cache_key(args, kwargs)
new_fun.__cache.pop(k, None)
new_fun.__cache_times.pop(k, None)
new_fun.__cache = {}
new_fun.__cache_times = {}
new_fun.clear_cache = clear_cache
new_fun.dirty = dirty
return new_fun
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quora/qcore | qcore/caching.py | LazyConstant.get_value | def get_value(self):
"""Returns the value of the constant."""
if self.value is not_computed:
self.value = self.value_provider()
if self.value is not_computed:
return None
return self.value | python | def get_value(self):
"""Returns the value of the constant."""
if self.value is not_computed:
self.value = self.value_provider()
if self.value is not_computed:
return None
return self.value | [
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quora/qcore | qcore/caching.py | LazyConstant.compute | def compute(self):
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self.value = self.value_provider()
if self.value is not_computed:
return None
else:
return self.value | python | def compute(self):
"""Computes the value. Does not look at the cache."""
self.value = self.value_provider()
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else:
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quora/qcore | qcore/caching.py | LRUCache.get | def get(self, key, default=miss):
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# invokes __getitem__, which updates the item
return self[key] | python | def get(self, key, default=miss):
"""Return the value for given key if it exists."""
if key not in self._dict:
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quora/qcore | qcore/caching.py | LRUCache.clear | def clear(self, omit_item_evicted=False):
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items = self._dict.items()
for key, value in items:
self._evict_item(key, value)
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for key, value in items:
self._evict_item(key, value)
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zeromake/aiosqlite3 | aiosqlite3/utils.py | create_future | def create_future(loop):
# pragma: no cover
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# pragma: no cover
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if hasattr(loop, 'create_future'):
return loop.create_future()
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zeromake/aiosqlite3 | aiosqlite3/utils.py | create_task | def create_task(coro, loop):
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# pragma: no cover
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if hasattr(loop, 'create_task'):
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zeromake/aiosqlite3 | aiosqlite3/utils.py | proxy_property_directly | def proxy_property_directly(bind_attr, attrs):
"""
为类添加代理属性
"""
def cls_builder(cls):
"""
添加到类
"""
for attr_name in attrs:
setattr(cls, attr_name, _make_proxy_property(bind_attr, attr_name))
return cls
return cls_builder | python | def proxy_property_directly(bind_attr, attrs):
"""
为类添加代理属性
"""
def cls_builder(cls):
"""
添加到类
"""
for attr_name in attrs:
setattr(cls, attr_name, _make_proxy_property(bind_attr, attr_name))
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opennode/waldur-core | waldur_core/structure/models.py | StructureLoggableMixin.get_permitted_objects_uuids | def get_permitted_objects_uuids(cls, user):
"""
Return query dictionary to search objects available to user.
"""
uuids = filter_queryset_for_user(cls.objects.all(), user).values_list('uuid', flat=True)
key = core_utils.camel_case_to_underscore(cls.__name__) + '_uuid'
return {key: uuids} | python | def get_permitted_objects_uuids(cls, user):
"""
Return query dictionary to search objects available to user.
"""
uuids = filter_queryset_for_user(cls.objects.all(), user).values_list('uuid', flat=True)
key = core_utils.camel_case_to_underscore(cls.__name__) + '_uuid'
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opennode/waldur-core | waldur_core/structure/models.py | PermissionMixin.has_user | def has_user(self, user, role=None, timestamp=False):
"""
Checks whether user has role in entity.
`timestamp` can have following values:
- False - check whether user has role in entity at the moment.
- None - check whether user has permanent role in entity.
- Datetime object - check whether user will have role in entity at specific timestamp.
"""
permissions = self.permissions.filter(user=user, is_active=True)
if role is not None:
permissions = permissions.filter(role=role)
if timestamp is None:
permissions = permissions.filter(expiration_time=None)
elif timestamp:
permissions = permissions.filter(Q(expiration_time=None) | Q(expiration_time__gte=timestamp))
return permissions.exists() | python | def has_user(self, user, role=None, timestamp=False):
"""
Checks whether user has role in entity.
`timestamp` can have following values:
- False - check whether user has role in entity at the moment.
- None - check whether user has permanent role in entity.
- Datetime object - check whether user will have role in entity at specific timestamp.
"""
permissions = self.permissions.filter(user=user, is_active=True)
if role is not None:
permissions = permissions.filter(role=role)
if timestamp is None:
permissions = permissions.filter(expiration_time=None)
elif timestamp:
permissions = permissions.filter(Q(expiration_time=None) | Q(expiration_time__gte=timestamp))
return permissions.exists() | [
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opennode/waldur-core | waldur_core/core/magic.py | Magic.from_buffer | def from_buffer(self, buf):
"""
Identify the contents of `buf`
"""
with self.lock:
try:
# if we're on python3, convert buf to bytes
# otherwise this string is passed as wchar*
# which is not what libmagic expects
if isinstance(buf, str) and str != bytes:
buf = buf.encode('utf-8', errors='replace')
return maybe_decode(magic_buffer(self.cookie, buf))
except MagicException as e:
return self._handle509Bug(e) | python | def from_buffer(self, buf):
"""
Identify the contents of `buf`
"""
with self.lock:
try:
# if we're on python3, convert buf to bytes
# otherwise this string is passed as wchar*
# which is not what libmagic expects
if isinstance(buf, str) and str != bytes:
buf = buf.encode('utf-8', errors='replace')
return maybe_decode(magic_buffer(self.cookie, buf))
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nuagenetworks/bambou | bambou/nurest_push_center.py | NURESTPushCenter.start | def start(self, timeout=None, root_object=None):
""" Starts listening to events.
Args:
timeout (int): number of seconds before timeout. Used for testing purpose only.
root_object (bambou.NURESTRootObject): NURESTRootObject object that is listening. Used for testing purpose only.
"""
if self._is_running:
return
if timeout:
self._timeout = timeout
self._start_time = int(time())
pushcenter_logger.debug("[NURESTPushCenter] Starting push center on url %s ..." % self.url)
self._is_running = True
self.__root_object = root_object
from .nurest_session import NURESTSession
current_session = NURESTSession.get_current_session()
args_session = {'session': current_session}
self._thread = StoppableThread(target=self._listen, name='push-center', kwargs=args_session)
self._thread.daemon = True
self._thread.start() | python | def start(self, timeout=None, root_object=None):
""" Starts listening to events.
Args:
timeout (int): number of seconds before timeout. Used for testing purpose only.
root_object (bambou.NURESTRootObject): NURESTRootObject object that is listening. Used for testing purpose only.
"""
if self._is_running:
return
if timeout:
self._timeout = timeout
self._start_time = int(time())
pushcenter_logger.debug("[NURESTPushCenter] Starting push center on url %s ..." % self.url)
self._is_running = True
self.__root_object = root_object
from .nurest_session import NURESTSession
current_session = NURESTSession.get_current_session()
args_session = {'session': current_session}
self._thread = StoppableThread(target=self._listen, name='push-center', kwargs=args_session)
self._thread.daemon = True
self._thread.start() | [
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nuagenetworks/bambou | bambou/nurest_push_center.py | NURESTPushCenter.stop | def stop(self):
""" Stops listening for events. """
if not self._is_running:
return
pushcenter_logger.debug("[NURESTPushCenter] Stopping...")
self._thread.stop()
self._thread.join()
self._is_running = False
self._current_connection = None
self._start_time = None
self._timeout = None | python | def stop(self):
""" Stops listening for events. """
if not self._is_running:
return
pushcenter_logger.debug("[NURESTPushCenter] Stopping...")
self._thread.stop()
self._thread.join()
self._is_running = False
self._current_connection = None
self._start_time = None
self._timeout = None | [
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nuagenetworks/bambou | bambou/nurest_push_center.py | NURESTPushCenter.wait_until_exit | def wait_until_exit(self):
""" Wait until thread exit
Used for testing purpose only
"""
if self._timeout is None:
raise Exception("Thread will never exit. Use stop or specify timeout when starting it!")
self._thread.join()
self.stop() | python | def wait_until_exit(self):
""" Wait until thread exit
Used for testing purpose only
"""
if self._timeout is None:
raise Exception("Thread will never exit. Use stop or specify timeout when starting it!")
self._thread.join()
self.stop() | [
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nuagenetworks/bambou | bambou/nurest_push_center.py | NURESTPushCenter._did_receive_event | def _did_receive_event(self, connection):
""" Receive an event from connection """
if not self._is_running:
return
if connection.has_timeouted:
return
response = connection.response
data = None
if response.status_code != 200:
pushcenter_logger.error("[NURESTPushCenter]: Connection failure [%s] %s" % (response.status_code, response.errors))
else:
data = response.data
if len(self._delegate_methods) > 0:
for m in self._delegate_methods:
try:
m(data)
except Exception as exc:
pushcenter_logger.error("[NURESTPushCenter] Delegate method %s failed:\n%s" % (m, exc))
elif data:
events = data['events']
self.nb_events_received += len(events)
self.nb_push_received += 1
pushcenter_logger.info("[NURESTPushCenter] Received Push #%s (total=%s, latest=%s)\n%s" % (self.nb_push_received, self.nb_events_received, len(events), json.dumps(events, indent=4)))
self._last_events.extend(events)
if self._is_running:
uuid = None
if data and 'uuid' in data:
uuid = data['uuid']
self._listen(uuid) | python | def _did_receive_event(self, connection):
""" Receive an event from connection """
if not self._is_running:
return
if connection.has_timeouted:
return
response = connection.response
data = None
if response.status_code != 200:
pushcenter_logger.error("[NURESTPushCenter]: Connection failure [%s] %s" % (response.status_code, response.errors))
else:
data = response.data
if len(self._delegate_methods) > 0:
for m in self._delegate_methods:
try:
m(data)
except Exception as exc:
pushcenter_logger.error("[NURESTPushCenter] Delegate method %s failed:\n%s" % (m, exc))
elif data:
events = data['events']
self.nb_events_received += len(events)
self.nb_push_received += 1
pushcenter_logger.info("[NURESTPushCenter] Received Push #%s (total=%s, latest=%s)\n%s" % (self.nb_push_received, self.nb_events_received, len(events), json.dumps(events, indent=4)))
self._last_events.extend(events)
if self._is_running:
uuid = None
if data and 'uuid' in data:
uuid = data['uuid']
self._listen(uuid) | [
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nuagenetworks/bambou | bambou/nurest_push_center.py | NURESTPushCenter._listen | def _listen(self, uuid=None, session=None):
""" Listen a connection uuid """
if self.url is None:
raise Exception("NURESTPushCenter needs to have a valid URL. please use setURL: before starting it.")
events_url = "%s/events" % self.url
if uuid:
events_url = "%s?uuid=%s" % (events_url, uuid)
request = NURESTRequest(method='GET', url=events_url)
# Force async to False so the push center will have only 1 thread running
connection = NURESTConnection(request=request, async=True, callback=self._did_receive_event, root_object=self._root_object)
if self._timeout:
if int(time()) - self._start_time >= self._timeout:
pushcenter_logger.debug("[NURESTPushCenter] Timeout (timeout=%ss)." % self._timeout)
return
else:
connection.timeout = self._timeout
pushcenter_logger.info('Bambou Sending >>>>>>\n%s %s' % (request.method, request.url))
# connection.ignore_request_idle = True
connection.start() | python | def _listen(self, uuid=None, session=None):
""" Listen a connection uuid """
if self.url is None:
raise Exception("NURESTPushCenter needs to have a valid URL. please use setURL: before starting it.")
events_url = "%s/events" % self.url
if uuid:
events_url = "%s?uuid=%s" % (events_url, uuid)
request = NURESTRequest(method='GET', url=events_url)
# Force async to False so the push center will have only 1 thread running
connection = NURESTConnection(request=request, async=True, callback=self._did_receive_event, root_object=self._root_object)
if self._timeout:
if int(time()) - self._start_time >= self._timeout:
pushcenter_logger.debug("[NURESTPushCenter] Timeout (timeout=%ss)." % self._timeout)
return
else:
connection.timeout = self._timeout
pushcenter_logger.info('Bambou Sending >>>>>>\n%s %s' % (request.method, request.url))
# connection.ignore_request_idle = True
connection.start() | [
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nuagenetworks/bambou | bambou/nurest_push_center.py | NURESTPushCenter.add_delegate | def add_delegate(self, callback):
""" Registers a new delegate callback
The prototype should be function(data), where data will be the decoded json push
Args:
callback (function): method to trigger when push center receives events
"""
if callback in self._delegate_methods:
return
self._delegate_methods.append(callback) | python | def add_delegate(self, callback):
""" Registers a new delegate callback
The prototype should be function(data), where data will be the decoded json push
Args:
callback (function): method to trigger when push center receives events
"""
if callback in self._delegate_methods:
return
self._delegate_methods.append(callback) | [
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nuagenetworks/bambou | bambou/nurest_push_center.py | NURESTPushCenter.remove_delegate | def remove_delegate(self, callback):
""" Unregisters a registered delegate function or a method.
Args:
callback(function): method to trigger when push center receives events
"""
if callback not in self._delegate_methods:
return
self._delegate_methods.remove(callback) | python | def remove_delegate(self, callback):
""" Unregisters a registered delegate function or a method.
Args:
callback(function): method to trigger when push center receives events
"""
if callback not in self._delegate_methods:
return
self._delegate_methods.remove(callback) | [
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nuagenetworks/bambou | bambou/config.py | BambouConfig._read_config | def _read_config(cls):
""" Reads the configuration file if any
"""
cls._config_parser = configparser.ConfigParser()
cls._config_parser.read(cls._default_attribute_values_configuration_file_path) | python | def _read_config(cls):
""" Reads the configuration file if any
"""
cls._config_parser = configparser.ConfigParser()
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nuagenetworks/bambou | bambou/config.py | BambouConfig.get_default_attribute_value | def get_default_attribute_value(cls, object_class, property_name, attr_type=str):
""" Gets the default value of a given property for a given object.
These properties can be set in a config INI file looking like
.. code-block:: ini
[NUEntity]
default_behavior = THIS
speed = 1000
[NUOtherEntity]
attribute_name = a value
This will be used when creating a :class:`bambou.NURESTObject` when no parameter or data is provided
"""
if not cls._default_attribute_values_configuration_file_path:
return None
if not cls._config_parser:
cls._read_config()
class_name = object_class.__name__
if not cls._config_parser.has_section(class_name):
return None
if not cls._config_parser.has_option(class_name, property_name):
return None
if sys.version_info < (3,):
integer_types = (int, long,)
else:
integer_types = (int,)
if isinstance(attr_type, integer_types):
return cls._config_parser.getint(class_name, property_name)
elif attr_type is bool:
return cls._config_parser.getboolean(class_name, property_name)
else:
return cls._config_parser.get(class_name, property_name) | python | def get_default_attribute_value(cls, object_class, property_name, attr_type=str):
""" Gets the default value of a given property for a given object.
These properties can be set in a config INI file looking like
.. code-block:: ini
[NUEntity]
default_behavior = THIS
speed = 1000
[NUOtherEntity]
attribute_name = a value
This will be used when creating a :class:`bambou.NURESTObject` when no parameter or data is provided
"""
if not cls._default_attribute_values_configuration_file_path:
return None
if not cls._config_parser:
cls._read_config()
class_name = object_class.__name__
if not cls._config_parser.has_section(class_name):
return None
if not cls._config_parser.has_option(class_name, property_name):
return None
if sys.version_info < (3,):
integer_types = (int, long,)
else:
integer_types = (int,)
if isinstance(attr_type, integer_types):
return cls._config_parser.getint(class_name, property_name)
elif attr_type is bool:
return cls._config_parser.getboolean(class_name, property_name)
else:
return cls._config_parser.get(class_name, property_name) | [
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These properties can be set in a config INI file looking like
.. code-block:: ini
[NUEntity]
default_behavior = THIS
speed = 1000
[NUOtherEntity]
attribute_name = a value
This will be used when creating a :class:`bambou.NURESTObject` when no parameter or data is provided | [
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opennode/waldur-core | waldur_core/core/filters.py | SummaryFilter.filter | def filter(self, request, queryset, view):
""" Filter each resource separately using its own filter """
summary_queryset = queryset
filtered_querysets = []
for queryset in summary_queryset.querysets:
filter_class = self._get_filter(queryset)
queryset = filter_class(request.query_params, queryset=queryset).qs
filtered_querysets.append(queryset)
summary_queryset.querysets = filtered_querysets
return summary_queryset | python | def filter(self, request, queryset, view):
""" Filter each resource separately using its own filter """
summary_queryset = queryset
filtered_querysets = []
for queryset in summary_queryset.querysets:
filter_class = self._get_filter(queryset)
queryset = filter_class(request.query_params, queryset=queryset).qs
filtered_querysets.append(queryset)
summary_queryset.querysets = filtered_querysets
return summary_queryset | [
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stepank/pyws | src/pyws/functions/args/types/__init__.py | TypeFactory | def TypeFactory(type_):
"""
This function creates a standard form type from a simplified form.
>>> from datetime import date, datetime
>>> from pyws.functions.args import TypeFactory
>>> from pyws.functions.args import String, Integer, Float, Date, DateTime
>>> TypeFactory(str) == String
True
>>> TypeFactory(float) == Float
True
>>> TypeFactory(date) == Date
True
>>> TypeFactory(datetime) == DateTime
True
>>> from operator import attrgetter
>>> from pyws.functions.args import Dict
>>> dct = TypeFactory({0: 'HelloWorldDict', 'hello': str, 'world': int})
>>> issubclass(dct, Dict)
True
>>> dct.__name__
'HelloWorldDict'
>>> fields = sorted(dct.fields, key=attrgetter('name'))
>>> len(dct.fields)
2
>>> fields[0].name == 'hello'
True
>>> fields[0].type == String
True
>>> fields[1].name == 'world'
True
>>> fields[1].type == Integer
True
>>> from pyws.functions.args import List
>>> lst = TypeFactory([int])
>>> issubclass(lst, List)
True
>>> lst.__name__
'IntegerList'
>>> lst.element_type == Integer
True
"""
if isinstance(type_, type) and issubclass(type_, Type):
return type_
for x in __types__:
if x.represents(type_):
return x.get(type_)
raise UnknownType(type_) | python | def TypeFactory(type_):
"""
This function creates a standard form type from a simplified form.
>>> from datetime import date, datetime
>>> from pyws.functions.args import TypeFactory
>>> from pyws.functions.args import String, Integer, Float, Date, DateTime
>>> TypeFactory(str) == String
True
>>> TypeFactory(float) == Float
True
>>> TypeFactory(date) == Date
True
>>> TypeFactory(datetime) == DateTime
True
>>> from operator import attrgetter
>>> from pyws.functions.args import Dict
>>> dct = TypeFactory({0: 'HelloWorldDict', 'hello': str, 'world': int})
>>> issubclass(dct, Dict)
True
>>> dct.__name__
'HelloWorldDict'
>>> fields = sorted(dct.fields, key=attrgetter('name'))
>>> len(dct.fields)
2
>>> fields[0].name == 'hello'
True
>>> fields[0].type == String
True
>>> fields[1].name == 'world'
True
>>> fields[1].type == Integer
True
>>> from pyws.functions.args import List
>>> lst = TypeFactory([int])
>>> issubclass(lst, List)
True
>>> lst.__name__
'IntegerList'
>>> lst.element_type == Integer
True
"""
if isinstance(type_, type) and issubclass(type_, Type):
return type_
for x in __types__:
if x.represents(type_):
return x.get(type_)
raise UnknownType(type_) | [
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>>> from pyws.functions.args import TypeFactory
>>> from pyws.functions.args import String, Integer, Float, Date, DateTime
>>> TypeFactory(str) == String
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>>> TypeFactory(float) == Float
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>>> TypeFactory(date) == Date
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>>> TypeFactory(datetime) == DateTime
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opennode/waldur-core | waldur_core/structure/images.py | dummy_image | def dummy_image(filetype='gif'):
""" Generate empty image in temporary file for testing """
# 1x1px Transparent GIF
GIF = 'R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7'
tmp_file = tempfile.NamedTemporaryFile(suffix='.%s' % filetype)
tmp_file.write(base64.b64decode(GIF))
return open(tmp_file.name, 'rb') | python | def dummy_image(filetype='gif'):
""" Generate empty image in temporary file for testing """
# 1x1px Transparent GIF
GIF = 'R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7'
tmp_file = tempfile.NamedTemporaryFile(suffix='.%s' % filetype)
tmp_file.write(base64.b64decode(GIF))
return open(tmp_file.name, 'rb') | [
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quora/qcore | qcore/microtime.py | utime_delta | def utime_delta(days=0, hours=0, minutes=0, seconds=0):
"""Gets time delta in microseconds.
Note: Do NOT use this function without keyword arguments.
It will become much-much harder to add extra time ranges later if positional arguments are used.
"""
return (days * DAY) + (hours * HOUR) + (minutes * MINUTE) + (seconds * SECOND) | python | def utime_delta(days=0, hours=0, minutes=0, seconds=0):
"""Gets time delta in microseconds.
Note: Do NOT use this function without keyword arguments.
It will become much-much harder to add extra time ranges later if positional arguments are used.
"""
return (days * DAY) + (hours * HOUR) + (minutes * MINUTE) + (seconds * SECOND) | [
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quora/qcore | qcore/microtime.py | execute_with_timeout | def execute_with_timeout(
fn,
args=None,
kwargs=None,
timeout=None,
fail_if_no_timer=True,
signal_type=_default_signal_type,
timer_type=_default_timer_type,
timeout_exception_cls=TimeoutError,
):
"""
Executes specified function with timeout. Uses SIGALRM to interrupt it.
:type fn: function
:param fn: function to execute
:type args: tuple
:param args: function args
:type kwargs: dict
:param kwargs: function kwargs
:type timeout: float
:param timeout: timeout, seconds; 0 or None means no timeout
:type fail_if_no_timer: bool
:param fail_if_no_timer: fail, if timer is nor available; normally it's available only in the
main thread
:type signal_type: signalnum
:param signal_type: type of signal to use (see signal module)
:type timer_type: signal.ITIMER_REAL, signal.ITIMER_VIRTUAL or signal.ITIMER_PROF
:param timer_type: type of timer to use (see signal module)
:type timeout_exception_cls: class
:param timeout_exception_cls: exception to throw in case of timeout
:return: fn call result.
"""
if args is None:
args = empty_tuple
if kwargs is None:
kwargs = empty_dict
if timeout is None or timeout == 0 or signal_type is None or timer_type is None:
return fn(*args, **kwargs)
def signal_handler(signum, frame):
raise timeout_exception_cls(inspection.get_function_call_str(fn, args, kwargs))
old_signal_handler = none
timer_is_set = False
try:
try:
old_signal_handler = signal.signal(signal_type, signal_handler)
signal.setitimer(timer_type, timeout)
timer_is_set = True
except ValueError:
if fail_if_no_timer:
raise NotSupportedError(
"Timer is not available; the code is probably invoked from outside the main "
"thread."
)
return fn(*args, **kwargs)
finally:
if timer_is_set:
signal.setitimer(timer_type, 0)
if old_signal_handler is not none:
signal.signal(signal_type, old_signal_handler) | python | def execute_with_timeout(
fn,
args=None,
kwargs=None,
timeout=None,
fail_if_no_timer=True,
signal_type=_default_signal_type,
timer_type=_default_timer_type,
timeout_exception_cls=TimeoutError,
):
"""
Executes specified function with timeout. Uses SIGALRM to interrupt it.
:type fn: function
:param fn: function to execute
:type args: tuple
:param args: function args
:type kwargs: dict
:param kwargs: function kwargs
:type timeout: float
:param timeout: timeout, seconds; 0 or None means no timeout
:type fail_if_no_timer: bool
:param fail_if_no_timer: fail, if timer is nor available; normally it's available only in the
main thread
:type signal_type: signalnum
:param signal_type: type of signal to use (see signal module)
:type timer_type: signal.ITIMER_REAL, signal.ITIMER_VIRTUAL or signal.ITIMER_PROF
:param timer_type: type of timer to use (see signal module)
:type timeout_exception_cls: class
:param timeout_exception_cls: exception to throw in case of timeout
:return: fn call result.
"""
if args is None:
args = empty_tuple
if kwargs is None:
kwargs = empty_dict
if timeout is None or timeout == 0 or signal_type is None or timer_type is None:
return fn(*args, **kwargs)
def signal_handler(signum, frame):
raise timeout_exception_cls(inspection.get_function_call_str(fn, args, kwargs))
old_signal_handler = none
timer_is_set = False
try:
try:
old_signal_handler = signal.signal(signal_type, signal_handler)
signal.setitimer(timer_type, timeout)
timer_is_set = True
except ValueError:
if fail_if_no_timer:
raise NotSupportedError(
"Timer is not available; the code is probably invoked from outside the main "
"thread."
)
return fn(*args, **kwargs)
finally:
if timer_is_set:
signal.setitimer(timer_type, 0)
if old_signal_handler is not none:
signal.signal(signal_type, old_signal_handler) | [
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quora/qcore | qcore/inspection.py | get_original_fn | def get_original_fn(fn):
"""Gets the very original function of a decorated one."""
fn_type = type(fn)
if fn_type is classmethod or fn_type is staticmethod:
return get_original_fn(fn.__func__)
if hasattr(fn, "original_fn"):
return fn.original_fn
if hasattr(fn, "fn"):
fn.original_fn = get_original_fn(fn.fn)
return fn.original_fn
return fn | python | def get_original_fn(fn):
"""Gets the very original function of a decorated one."""
fn_type = type(fn)
if fn_type is classmethod or fn_type is staticmethod:
return get_original_fn(fn.__func__)
if hasattr(fn, "original_fn"):
return fn.original_fn
if hasattr(fn, "fn"):
fn.original_fn = get_original_fn(fn.fn)
return fn.original_fn
return fn | [
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quora/qcore | qcore/inspection.py | get_full_name | def get_full_name(src):
"""Gets full class or function name."""
if hasattr(src, "_full_name_"):
return src._full_name_
if hasattr(src, "is_decorator"):
# Our own decorator or binder
if hasattr(src, "decorator"):
# Our own binder
_full_name_ = str(src.decorator)
# It's a short-living object, so we don't cache result
else:
# Our own decorator
_full_name_ = str(src)
try:
src._full_name_ = _full_name_
except AttributeError:
pass
except TypeError:
pass
elif hasattr(src, "im_class"):
# Bound method
cls = src.im_class
_full_name_ = get_full_name(cls) + "." + src.__name__
# It's a short-living object, so we don't cache result
elif hasattr(src, "__module__") and hasattr(src, "__name__"):
# Func or class
_full_name_ = (
("<unknown module>" if src.__module__ is None else src.__module__)
+ "."
+ src.__name__
)
try:
src._full_name_ = _full_name_
except AttributeError:
pass
except TypeError:
pass
else:
# Something else
_full_name_ = str(get_original_fn(src))
return _full_name_ | python | def get_full_name(src):
"""Gets full class or function name."""
if hasattr(src, "_full_name_"):
return src._full_name_
if hasattr(src, "is_decorator"):
# Our own decorator or binder
if hasattr(src, "decorator"):
# Our own binder
_full_name_ = str(src.decorator)
# It's a short-living object, so we don't cache result
else:
# Our own decorator
_full_name_ = str(src)
try:
src._full_name_ = _full_name_
except AttributeError:
pass
except TypeError:
pass
elif hasattr(src, "im_class"):
# Bound method
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# It's a short-living object, so we don't cache result
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+ src.__name__
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quora/qcore | qcore/inspection.py | get_function_call_str | def get_function_call_str(fn, args, kwargs):
"""Converts method call (function and its arguments) to a str(...)-like string."""
def str_converter(v):
try:
return str(v)
except Exception:
try:
return repr(v)
except Exception:
return "<n/a str raised>"
result = get_full_name(fn) + "("
first = True
for v in args:
if first:
first = False
else:
result += ","
result += str_converter(v)
for k, v in kwargs.items():
if first:
first = False
else:
result += ","
result += str(k) + "=" + str_converter(v)
result += ")"
return result | python | def get_function_call_str(fn, args, kwargs):
"""Converts method call (function and its arguments) to a str(...)-like string."""
def str_converter(v):
try:
return str(v)
except Exception:
try:
return repr(v)
except Exception:
return "<n/a str raised>"
result = get_full_name(fn) + "("
first = True
for v in args:
if first:
first = False
else:
result += ","
result += str_converter(v)
for k, v in kwargs.items():
if first:
first = False
else:
result += ","
result += str(k) + "=" + str_converter(v)
result += ")"
return result | [
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quora/qcore | qcore/inspection.py | get_function_call_repr | def get_function_call_repr(fn, args, kwargs):
"""Converts method call (function and its arguments) to a repr(...)-like string."""
result = get_full_name(fn) + "("
first = True
for v in args:
if first:
first = False
else:
result += ","
result += repr(v)
for k, v in kwargs.items():
if first:
first = False
else:
result += ","
result += str(k) + "=" + repr(v)
result += ")"
return result | python | def get_function_call_repr(fn, args, kwargs):
"""Converts method call (function and its arguments) to a repr(...)-like string."""
result = get_full_name(fn) + "("
first = True
for v in args:
if first:
first = False
else:
result += ","
result += repr(v)
for k, v in kwargs.items():
if first:
first = False
else:
result += ","
result += str(k) + "=" + repr(v)
result += ")"
return result | [
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quora/qcore | qcore/inspection.py | getargspec | def getargspec(func):
"""Variation of inspect.getargspec that works for more functions.
This function works for Cythonized, non-cpdef functions, which expose argspec information but
are not accepted by getargspec. It also works for Python 3 functions that use annotations, which
are simply ignored. However, keyword-only arguments are not supported.
"""
if inspect.ismethod(func):
func = func.__func__
# Cythonized functions have a .__code__, but don't pass inspect.isfunction()
try:
code = func.__code__
except AttributeError:
raise TypeError("{!r} is not a Python function".format(func))
if hasattr(code, "co_kwonlyargcount") and code.co_kwonlyargcount > 0:
raise ValueError("keyword-only arguments are not supported by getargspec()")
args, varargs, varkw = inspect.getargs(code)
return inspect.ArgSpec(args, varargs, varkw, func.__defaults__) | python | def getargspec(func):
"""Variation of inspect.getargspec that works for more functions.
This function works for Cythonized, non-cpdef functions, which expose argspec information but
are not accepted by getargspec. It also works for Python 3 functions that use annotations, which
are simply ignored. However, keyword-only arguments are not supported.
"""
if inspect.ismethod(func):
func = func.__func__
# Cythonized functions have a .__code__, but don't pass inspect.isfunction()
try:
code = func.__code__
except AttributeError:
raise TypeError("{!r} is not a Python function".format(func))
if hasattr(code, "co_kwonlyargcount") and code.co_kwonlyargcount > 0:
raise ValueError("keyword-only arguments are not supported by getargspec()")
args, varargs, varkw = inspect.getargs(code)
return inspect.ArgSpec(args, varargs, varkw, func.__defaults__) | [
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quora/qcore | qcore/inspection.py | is_cython_or_generator | def is_cython_or_generator(fn):
"""Returns whether this function is either a generator function or a Cythonized function."""
if hasattr(fn, "__func__"):
fn = fn.__func__ # Class method, static method
if inspect.isgeneratorfunction(fn):
return True
name = type(fn).__name__
return (
name == "generator"
or name == "method_descriptor"
or name == "cython_function_or_method"
or name == "builtin_function_or_method"
) | python | def is_cython_or_generator(fn):
"""Returns whether this function is either a generator function or a Cythonized function."""
if hasattr(fn, "__func__"):
fn = fn.__func__ # Class method, static method
if inspect.isgeneratorfunction(fn):
return True
name = type(fn).__name__
return (
name == "generator"
or name == "method_descriptor"
or name == "cython_function_or_method"
or name == "builtin_function_or_method"
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quora/qcore | qcore/inspection.py | is_cython_function | def is_cython_function(fn):
"""Checks if a function is compiled w/Cython."""
if hasattr(fn, "__func__"):
fn = fn.__func__ # Class method, static method
name = type(fn).__name__
return (
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) | python | def is_cython_function(fn):
"""Checks if a function is compiled w/Cython."""
if hasattr(fn, "__func__"):
fn = fn.__func__ # Class method, static method
name = type(fn).__name__
return (
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quora/qcore | qcore/inspection.py | is_classmethod | def is_classmethod(fn):
"""Returns whether f is a classmethod."""
# This is True for bound methods
if not inspect.ismethod(fn):
return False
if not hasattr(fn, "__self__"):
return False
im_self = fn.__self__
# This is None for instance methods on classes, but True
# for instance methods on instances.
if im_self is None:
return False
# This is True for class methods of new- and old-style classes, respectively
return isinstance(im_self, six.class_types) | python | def is_classmethod(fn):
"""Returns whether f is a classmethod."""
# This is True for bound methods
if not inspect.ismethod(fn):
return False
if not hasattr(fn, "__self__"):
return False
im_self = fn.__self__
# This is None for instance methods on classes, but True
# for instance methods on instances.
if im_self is None:
return False
# This is True for class methods of new- and old-style classes, respectively
return isinstance(im_self, six.class_types) | [
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quora/qcore | qcore/inspection.py | wraps | def wraps(
wrapped, assigned=functools.WRAPPER_ASSIGNMENTS, updated=functools.WRAPPER_UPDATES
):
"""Cython-compatible functools.wraps implementation."""
if not is_cython_function(wrapped):
return functools.wraps(wrapped, assigned, updated)
else:
return lambda wrapper: wrapper | python | def wraps(
wrapped, assigned=functools.WRAPPER_ASSIGNMENTS, updated=functools.WRAPPER_UPDATES
):
"""Cython-compatible functools.wraps implementation."""
if not is_cython_function(wrapped):
return functools.wraps(wrapped, assigned, updated)
else:
return lambda wrapper: wrapper | [
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quora/qcore | qcore/inspection.py | get_subclass_tree | def get_subclass_tree(cls, ensure_unique=True):
"""Returns all subclasses (direct and recursive) of cls."""
subclasses = []
# cls.__subclasses__() fails on classes inheriting from type
for subcls in type.__subclasses__(cls):
subclasses.append(subcls)
subclasses.extend(get_subclass_tree(subcls, ensure_unique))
return list(set(subclasses)) if ensure_unique else subclasses | python | def get_subclass_tree(cls, ensure_unique=True):
"""Returns all subclasses (direct and recursive) of cls."""
subclasses = []
# cls.__subclasses__() fails on classes inheriting from type
for subcls in type.__subclasses__(cls):
subclasses.append(subcls)
subclasses.extend(get_subclass_tree(subcls, ensure_unique))
return list(set(subclasses)) if ensure_unique else subclasses | [
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stepank/pyws | src/pyws/functions/args/types/complex.py | DictOf | def DictOf(name, *fields):
"""
This function creates a dict type with the specified name and fields.
>>> from pyws.functions.args import DictOf, Field
>>> dct = DictOf(
... 'HelloWorldDict', Field('hello', str), Field('hello', int))
>>> issubclass(dct, Dict)
True
>>> dct.__name__
'HelloWorldDict'
>>> len(dct.fields)
2
"""
ret = type(name, (Dict,), {'fields': []})
#noinspection PyUnresolvedReferences
ret.add_fields(*fields)
return ret | python | def DictOf(name, *fields):
"""
This function creates a dict type with the specified name and fields.
>>> from pyws.functions.args import DictOf, Field
>>> dct = DictOf(
... 'HelloWorldDict', Field('hello', str), Field('hello', int))
>>> issubclass(dct, Dict)
True
>>> dct.__name__
'HelloWorldDict'
>>> len(dct.fields)
2
"""
ret = type(name, (Dict,), {'fields': []})
#noinspection PyUnresolvedReferences
ret.add_fields(*fields)
return ret | [
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>>> from pyws.functions.args import DictOf, Field
>>> dct = DictOf(
... 'HelloWorldDict', Field('hello', str), Field('hello', int))
>>> issubclass(dct, Dict)
True
>>> dct.__name__
'HelloWorldDict'
>>> len(dct.fields)
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stepank/pyws | src/pyws/functions/args/types/complex.py | ListOf | def ListOf(element_type, element_none_value=None):
"""
This function creates a list type with element type ``element_type`` and an
empty element value ``element_none_value``.
>>> from pyws.functions.args import Integer, ListOf
>>> lst = ListOf(int)
>>> issubclass(lst, List)
True
>>> lst.__name__
'IntegerList'
>>> lst.element_type == Integer
True
"""
from pyws.functions.args.types import TypeFactory
element_type = TypeFactory(element_type)
return type(element_type.__name__ + 'List', (List,), {
'element_type': element_type,
'element_none_value': element_none_value}) | python | def ListOf(element_type, element_none_value=None):
"""
This function creates a list type with element type ``element_type`` and an
empty element value ``element_none_value``.
>>> from pyws.functions.args import Integer, ListOf
>>> lst = ListOf(int)
>>> issubclass(lst, List)
True
>>> lst.__name__
'IntegerList'
>>> lst.element_type == Integer
True
"""
from pyws.functions.args.types import TypeFactory
element_type = TypeFactory(element_type)
return type(element_type.__name__ + 'List', (List,), {
'element_type': element_type,
'element_none_value': element_none_value}) | [
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opennode/waldur-core | waldur_core/structure/metadata.py | ActionsMetadata.get_actions | def get_actions(self, request, view):
"""
Return metadata for resource-specific actions,
such as start, stop, unlink
"""
metadata = OrderedDict()
actions = self.get_resource_actions(view)
resource = view.get_object()
for action_name, action in actions.items():
if action_name == 'update':
view.request = clone_request(request, 'PUT')
else:
view.action = action_name
data = ActionSerializer(action, action_name, request, view, resource)
metadata[action_name] = data.serialize()
if not metadata[action_name]['enabled']:
continue
fields = self.get_action_fields(view, action_name, resource)
if not fields:
metadata[action_name]['type'] = 'button'
else:
metadata[action_name]['type'] = 'form'
metadata[action_name]['fields'] = fields
view.action = None
view.request = request
return metadata | python | def get_actions(self, request, view):
"""
Return metadata for resource-specific actions,
such as start, stop, unlink
"""
metadata = OrderedDict()
actions = self.get_resource_actions(view)
resource = view.get_object()
for action_name, action in actions.items():
if action_name == 'update':
view.request = clone_request(request, 'PUT')
else:
view.action = action_name
data = ActionSerializer(action, action_name, request, view, resource)
metadata[action_name] = data.serialize()
if not metadata[action_name]['enabled']:
continue
fields = self.get_action_fields(view, action_name, resource)
if not fields:
metadata[action_name]['type'] = 'button'
else:
metadata[action_name]['type'] = 'form'
metadata[action_name]['fields'] = fields
view.action = None
view.request = request
return metadata | [
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opennode/waldur-core | waldur_core/structure/metadata.py | ActionsMetadata.get_action_fields | def get_action_fields(self, view, action_name, resource):
"""
Get fields exposed by action's serializer
"""
serializer = view.get_serializer(resource)
fields = OrderedDict()
if not isinstance(serializer, view.serializer_class) or action_name == 'update':
fields = self.get_fields(serializer.fields)
return fields | python | def get_action_fields(self, view, action_name, resource):
"""
Get fields exposed by action's serializer
"""
serializer = view.get_serializer(resource)
fields = OrderedDict()
if not isinstance(serializer, view.serializer_class) or action_name == 'update':
fields = self.get_fields(serializer.fields)
return fields | [
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opennode/waldur-core | waldur_core/structure/metadata.py | ActionsMetadata.get_serializer_info | def get_serializer_info(self, serializer):
"""
Given an instance of a serializer, return a dictionary of metadata
about its fields.
"""
if hasattr(serializer, 'child'):
# If this is a `ListSerializer` then we want to examine the
# underlying child serializer instance instead.
serializer = serializer.child
return self.get_fields(serializer.fields) | python | def get_serializer_info(self, serializer):
"""
Given an instance of a serializer, return a dictionary of metadata
about its fields.
"""
if hasattr(serializer, 'child'):
# If this is a `ListSerializer` then we want to examine the
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serializer = serializer.child
return self.get_fields(serializer.fields) | [
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opennode/waldur-core | waldur_core/structure/metadata.py | ActionsMetadata.get_fields | def get_fields(self, serializer_fields):
"""
Get fields metadata skipping empty fields
"""
fields = OrderedDict()
for field_name, field in serializer_fields.items():
# Skip tags field in action because it is needed only for resource creation
# See also: WAL-1223
if field_name == 'tags':
continue
info = self.get_field_info(field, field_name)
if info:
fields[field_name] = info
return fields | python | def get_fields(self, serializer_fields):
"""
Get fields metadata skipping empty fields
"""
fields = OrderedDict()
for field_name, field in serializer_fields.items():
# Skip tags field in action because it is needed only for resource creation
# See also: WAL-1223
if field_name == 'tags':
continue
info = self.get_field_info(field, field_name)
if info:
fields[field_name] = info
return fields | [
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opennode/waldur-core | waldur_core/structure/metadata.py | ActionsMetadata.get_field_info | def get_field_info(self, field, field_name):
"""
Given an instance of a serializer field, return a dictionary
of metadata about it.
"""
field_info = OrderedDict()
field_info['type'] = self.label_lookup[field]
field_info['required'] = getattr(field, 'required', False)
attrs = [
'label', 'help_text', 'default_value', 'placeholder', 'required',
'min_length', 'max_length', 'min_value', 'max_value', 'many'
]
if getattr(field, 'read_only', False):
return None
for attr in attrs:
value = getattr(field, attr, None)
if value is not None and value != '':
field_info[attr] = force_text(value, strings_only=True)
if 'label' not in field_info:
field_info['label'] = field_name.replace('_', ' ').title()
if hasattr(field, 'view_name'):
list_view = field.view_name.replace('-detail', '-list')
base_url = reverse(list_view, request=self.request)
field_info['type'] = 'select'
field_info['url'] = base_url
if hasattr(field, 'query_params'):
field_info['url'] += '?%s' % urlencode(field.query_params)
field_info['value_field'] = getattr(field, 'value_field', 'url')
field_info['display_name_field'] = getattr(field, 'display_name_field', 'display_name')
if hasattr(field, 'choices') and not hasattr(field, 'queryset'):
field_info['choices'] = [
{
'value': choice_value,
'display_name': force_text(choice_name, strings_only=True)
}
for choice_value, choice_name in field.choices.items()
]
return field_info | python | def get_field_info(self, field, field_name):
"""
Given an instance of a serializer field, return a dictionary
of metadata about it.
"""
field_info = OrderedDict()
field_info['type'] = self.label_lookup[field]
field_info['required'] = getattr(field, 'required', False)
attrs = [
'label', 'help_text', 'default_value', 'placeholder', 'required',
'min_length', 'max_length', 'min_value', 'max_value', 'many'
]
if getattr(field, 'read_only', False):
return None
for attr in attrs:
value = getattr(field, attr, None)
if value is not None and value != '':
field_info[attr] = force_text(value, strings_only=True)
if 'label' not in field_info:
field_info['label'] = field_name.replace('_', ' ').title()
if hasattr(field, 'view_name'):
list_view = field.view_name.replace('-detail', '-list')
base_url = reverse(list_view, request=self.request)
field_info['type'] = 'select'
field_info['url'] = base_url
if hasattr(field, 'query_params'):
field_info['url'] += '?%s' % urlencode(field.query_params)
field_info['value_field'] = getattr(field, 'value_field', 'url')
field_info['display_name_field'] = getattr(field, 'display_name_field', 'display_name')
if hasattr(field, 'choices') and not hasattr(field, 'queryset'):
field_info['choices'] = [
{
'value': choice_value,
'display_name': force_text(choice_name, strings_only=True)
}
for choice_value, choice_name in field.choices.items()
]
return field_info | [
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zeromake/aiosqlite3 | aiosqlite3/connection.py | connect | def connect(
database: str,
loop: asyncio.BaseEventLoop = None,
executor: concurrent.futures.Executor = None,
timeout: int = 5,
echo: bool = False,
isolation_level: str = '',
check_same_thread: bool = False,
**kwargs: dict
):
"""
把async方法执行后的对象创建为async上下文模式
"""
coro = _connect(
database,
loop=loop,
executor=executor,
timeout=timeout,
echo=echo,
isolation_level=isolation_level,
check_same_thread=check_same_thread,
**kwargs
)
return _ContextManager(coro) | python | def connect(
database: str,
loop: asyncio.BaseEventLoop = None,
executor: concurrent.futures.Executor = None,
timeout: int = 5,
echo: bool = False,
isolation_level: str = '',
check_same_thread: bool = False,
**kwargs: dict
):
"""
把async方法执行后的对象创建为async上下文模式
"""
coro = _connect(
database,
loop=loop,
executor=executor,
timeout=timeout,
echo=echo,
isolation_level=isolation_level,
check_same_thread=check_same_thread,
**kwargs
)
return _ContextManager(coro) | [
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opennode/waldur-core | waldur_core/cost_tracking/tasks.py | recalculate_estimate | def recalculate_estimate(recalculate_total=False):
""" Recalculate price of consumables that were used by resource until now.
Regular task. It is too expensive to calculate consumed price on each
request, so we store cached price each hour.
If recalculate_total is True - task also recalculates total estimate
for current month.
"""
# Celery does not import server.urls and does not discover cost tracking modules.
# So they should be discovered implicitly.
CostTrackingRegister.autodiscover()
# Step 1. Recalculate resources estimates.
for resource_model in CostTrackingRegister.registered_resources:
for resource in resource_model.objects.all():
_update_resource_consumed(resource, recalculate_total=recalculate_total)
# Step 2. Move from down to top and recalculate consumed estimate for each
# object based on its children.
ancestors_models = [m for m in models.PriceEstimate.get_estimated_models()
if not issubclass(m, structure_models.ResourceMixin)]
for model in ancestors_models:
for ancestor in model.objects.all():
_update_ancestor_consumed(ancestor) | python | def recalculate_estimate(recalculate_total=False):
""" Recalculate price of consumables that were used by resource until now.
Regular task. It is too expensive to calculate consumed price on each
request, so we store cached price each hour.
If recalculate_total is True - task also recalculates total estimate
for current month.
"""
# Celery does not import server.urls and does not discover cost tracking modules.
# So they should be discovered implicitly.
CostTrackingRegister.autodiscover()
# Step 1. Recalculate resources estimates.
for resource_model in CostTrackingRegister.registered_resources:
for resource in resource_model.objects.all():
_update_resource_consumed(resource, recalculate_total=recalculate_total)
# Step 2. Move from down to top and recalculate consumed estimate for each
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ancestors_models = [m for m in models.PriceEstimate.get_estimated_models()
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deathbeds/importnb | src/importnb/loader.py | ImportLibMixin.get_data | def get_data(self, path):
"""Needs to return the string source for the module."""
return LineCacheNotebookDecoder(
code=self.code, raw=self.raw, markdown=self.markdown
).decode(self.decode(), self.path) | python | def get_data(self, path):
"""Needs to return the string source for the module."""
return LineCacheNotebookDecoder(
code=self.code, raw=self.raw, markdown=self.markdown
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deathbeds/importnb | src/importnb/loader.py | NotebookBaseLoader.loader | def loader(self):
"""Create a lazy loader source file loader."""
loader = super().loader
if self._lazy and (sys.version_info.major, sys.version_info.minor) != (3, 4):
loader = LazyLoader.factory(loader)
# Strip the leading underscore from slots
return partial(
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"""Create a lazy loader source file loader."""
loader = super().loader
if self._lazy and (sys.version_info.major, sys.version_info.minor) != (3, 4):
loader = LazyLoader.factory(loader)
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deathbeds/importnb | src/importnb/loader.py | FromFileMixin.load | def load(cls, filename, dir=None, main=False, **kwargs):
"""Import a notebook as a module from a filename.
dir: The directory to load the file from.
main: Load the module in the __main__ context.
> assert Notebook.load('loader.ipynb')
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name = main and "__main__" or Path(filename).stem
loader = cls(name, str(filename), **kwargs)
module = module_from_spec(FileModuleSpec(name, loader, origin=loader.path))
cwd = str(Path(loader.path).parent)
try:
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loader.name != "__main__" and stack.enter_context(_installed_safely(module))
loader.exec_module(module)
finally:
sys.path.pop()
return module | python | def load(cls, filename, dir=None, main=False, **kwargs):
"""Import a notebook as a module from a filename.
dir: The directory to load the file from.
main: Load the module in the __main__ context.
> assert Notebook.load('loader.ipynb')
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name = main and "__main__" or Path(filename).stem
loader = cls(name, str(filename), **kwargs)
module = module_from_spec(FileModuleSpec(name, loader, origin=loader.path))
cwd = str(Path(loader.path).parent)
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deathbeds/importnb | src/importnb/loader.py | Notebook.source_to_code | def source_to_code(self, nodes, path, *, _optimize=-1):
"""* Convert the current source to ast
* Apply ast transformers.
* Compile the code."""
if not isinstance(nodes, ast.Module):
nodes = ast.parse(nodes, self.path)
if self._markdown_docstring:
nodes = update_docstring(nodes)
return super().source_to_code(
ast.fix_missing_locations(self.visit(nodes)), path, _optimize=_optimize
) | python | def source_to_code(self, nodes, path, *, _optimize=-1):
"""* Convert the current source to ast
* Apply ast transformers.
* Compile the code."""
if not isinstance(nodes, ast.Module):
nodes = ast.parse(nodes, self.path)
if self._markdown_docstring:
nodes = update_docstring(nodes)
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opennode/waldur-core | waldur_core/core/admin.py | ExtraActionsMixin.get_urls | def get_urls(self):
"""
Inject extra action URLs.
"""
urls = []
for action in self.get_extra_actions():
regex = r'^{}/$'.format(self._get_action_href(action))
view = self.admin_site.admin_view(action)
urls.append(url(regex, view))
return urls + super(ExtraActionsMixin, self).get_urls() | python | def get_urls(self):
"""
Inject extra action URLs.
"""
urls = []
for action in self.get_extra_actions():
regex = r'^{}/$'.format(self._get_action_href(action))
view = self.admin_site.admin_view(action)
urls.append(url(regex, view))
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opennode/waldur-core | waldur_core/core/admin.py | ExtraActionsMixin.changelist_view | def changelist_view(self, request, extra_context=None):
"""
Inject extra links into template context.
"""
links = []
for action in self.get_extra_actions():
links.append({
'label': self._get_action_label(action),
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})
extra_context = extra_context or {}
extra_context['extra_links'] = links
return super(ExtraActionsMixin, self).changelist_view(
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) | python | def changelist_view(self, request, extra_context=None):
"""
Inject extra links into template context.
"""
links = []
for action in self.get_extra_actions():
links.append({
'label': self._get_action_label(action),
'href': self._get_action_href(action)
})
extra_context = extra_context or {}
extra_context['extra_links'] = links
return super(ExtraActionsMixin, self).changelist_view(
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nuagenetworks/bambou | bambou/nurest_session.py | NURESTSession.start | def start(self):
"""
Starts the session.
Starting the session will actually get the API key of the current user
"""
if NURESTSession.session_stack:
bambou_logger.critical("Starting a session inside a with statement is not supported.")
raise Exception("Starting a session inside a with statement is not supported.")
NURESTSession.current_session = self
self._authenticate()
return self | python | def start(self):
"""
Starts the session.
Starting the session will actually get the API key of the current user
"""
if NURESTSession.session_stack:
bambou_logger.critical("Starting a session inside a with statement is not supported.")
raise Exception("Starting a session inside a with statement is not supported.")
NURESTSession.current_session = self
self._authenticate()
return self | [
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opennode/waldur-core | waldur_core/quotas/handlers.py | init_quotas | def init_quotas(sender, instance, created=False, **kwargs):
""" Initialize new instances quotas """
if not created:
return
for field in sender.get_quotas_fields():
try:
field.get_or_create_quota(scope=instance)
except CreationConditionFailedQuotaError:
pass | python | def init_quotas(sender, instance, created=False, **kwargs):
""" Initialize new instances quotas """
if not created:
return
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try:
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opennode/waldur-core | waldur_core/quotas/handlers.py | count_quota_handler_factory | def count_quota_handler_factory(count_quota_field):
""" Creates handler that will recalculate count_quota on creation/deletion """
def recalculate_count_quota(sender, instance, **kwargs):
signal = kwargs['signal']
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return recalculate_count_quota | python | def count_quota_handler_factory(count_quota_field):
""" Creates handler that will recalculate count_quota on creation/deletion """
def recalculate_count_quota(sender, instance, **kwargs):
signal = kwargs['signal']
if signal == signals.post_save and kwargs.get('created'):
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return recalculate_count_quota | [
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opennode/waldur-core | waldur_core/quotas/handlers.py | handle_aggregated_quotas | def handle_aggregated_quotas(sender, instance, **kwargs):
""" Call aggregated quotas fields update methods """
quota = instance
# aggregation is not supported for global quotas.
if quota.scope is None:
return
quota_field = quota.get_field()
# usage aggregation should not count another usage aggregator field to avoid calls duplication.
if isinstance(quota_field, fields.UsageAggregatorQuotaField) or quota_field is None:
return
signal = kwargs['signal']
for aggregator_quota in quota_field.get_aggregator_quotas(quota):
field = aggregator_quota.get_field()
if signal == signals.post_save:
field.post_child_quota_save(aggregator_quota.scope, child_quota=quota, created=kwargs.get('created'))
elif signal == signals.pre_delete:
field.pre_child_quota_delete(aggregator_quota.scope, child_quota=quota) | python | def handle_aggregated_quotas(sender, instance, **kwargs):
""" Call aggregated quotas fields update methods """
quota = instance
# aggregation is not supported for global quotas.
if quota.scope is None:
return
quota_field = quota.get_field()
# usage aggregation should not count another usage aggregator field to avoid calls duplication.
if isinstance(quota_field, fields.UsageAggregatorQuotaField) or quota_field is None:
return
signal = kwargs['signal']
for aggregator_quota in quota_field.get_aggregator_quotas(quota):
field = aggregator_quota.get_field()
if signal == signals.post_save:
field.post_child_quota_save(aggregator_quota.scope, child_quota=quota, created=kwargs.get('created'))
elif signal == signals.pre_delete:
field.pre_child_quota_delete(aggregator_quota.scope, child_quota=quota) | [
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opennode/waldur-core | waldur_core/structure/serializers.py | NestedServiceProjectLinkSerializer.get_settings | def get_settings(self, link):
"""
URL of service settings
"""
return reverse(
'servicesettings-detail', kwargs={'uuid': link.service.settings.uuid}, request=self.context['request']) | python | def get_settings(self, link):
"""
URL of service settings
"""
return reverse(
'servicesettings-detail', kwargs={'uuid': link.service.settings.uuid}, request=self.context['request']) | [
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opennode/waldur-core | waldur_core/structure/serializers.py | NestedServiceProjectLinkSerializer.get_url | def get_url(self, link):
"""
URL of service
"""
view_name = SupportedServices.get_detail_view_for_model(link.service)
return reverse(view_name, kwargs={'uuid': link.service.uuid.hex}, request=self.context['request']) | python | def get_url(self, link):
"""
URL of service
"""
view_name = SupportedServices.get_detail_view_for_model(link.service)
return reverse(view_name, kwargs={'uuid': link.service.uuid.hex}, request=self.context['request']) | [
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opennode/waldur-core | waldur_core/structure/serializers.py | NestedServiceProjectLinkSerializer.get_resources_count | def get_resources_count(self, link):
"""
Count total number of all resources connected to link
"""
total = 0
for model in SupportedServices.get_service_resources(link.service):
# Format query path from resource to service project link
query = {model.Permissions.project_path.split('__')[0]: link}
total += model.objects.filter(**query).count()
return total | python | def get_resources_count(self, link):
"""
Count total number of all resources connected to link
"""
total = 0
for model in SupportedServices.get_service_resources(link.service):
# Format query path from resource to service project link
query = {model.Permissions.project_path.split('__')[0]: link}
total += model.objects.filter(**query).count()
return total | [
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OpenDataScienceLab/skdata | skdata/data.py | SkDataSet.drop_columns | def drop_columns(
self, max_na_values: int = None, max_unique_values: int = None
):
"""
When max_na_values was informed, remove columns when the proportion of
total NA values more than max_na_values threshold.
When max_unique_values was informed, remove columns when the proportion
of the total of unique values is more than the max_unique_values
threshold, just for columns with type as object or category.
:param max_na_values: proportion threshold of max na values
:param max_unique_values:
:return:
"""
step = {}
if max_na_values is not None:
step = {
'data-set': self.iid,
'operation': 'drop-na',
'expression': '{"max_na_values":%s, "axis": 1}' % max_na_values
}
if max_unique_values is not None:
step = {
'data-set': self.iid,
'operation': 'drop-unique',
'expression': '{"max_unique_values":%s}' % max_unique_values
}
self.attr_update(attr='steps', value=[step]) | python | def drop_columns(
self, max_na_values: int = None, max_unique_values: int = None
):
"""
When max_na_values was informed, remove columns when the proportion of
total NA values more than max_na_values threshold.
When max_unique_values was informed, remove columns when the proportion
of the total of unique values is more than the max_unique_values
threshold, just for columns with type as object or category.
:param max_na_values: proportion threshold of max na values
:param max_unique_values:
:return:
"""
step = {}
if max_na_values is not None:
step = {
'data-set': self.iid,
'operation': 'drop-na',
'expression': '{"max_na_values":%s, "axis": 1}' % max_na_values
}
if max_unique_values is not None:
step = {
'data-set': self.iid,
'operation': 'drop-unique',
'expression': '{"max_unique_values":%s}' % max_unique_values
}
self.attr_update(attr='steps', value=[step]) | [
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OpenDataScienceLab/skdata | skdata/data.py | SkDataSet.dropna | def dropna(self):
"""
:return:
"""
step = {
'data-set': self.iid,
'operation': 'drop-na',
'expression': '{"axis": 0}'
}
self.attr_update(attr='steps', value=[step]) | python | def dropna(self):
"""
:return:
"""
step = {
'data-set': self.iid,
'operation': 'drop-na',
'expression': '{"axis": 0}'
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OpenDataScienceLab/skdata | skdata/data.py | SkDataSet.log | def log(self, message: str):
"""
@deprecated
:param message:
:return:
"""
dset_log_id = '_%s_log' % self.iid
if dset_log_id not in self.parent.data.keys():
dset = self.parent.data.create_dataset(
dset_log_id, shape=(1,),
dtype=np.dtype([
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('message', 'S250')
])
)
else:
dset = self.parent.data[dset_log_id]
timestamp = np.array(
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).astype('<i8').view('<M8[s]')
dset['dt_log'] = timestamp.view('<i8')
dset['message'] = message
self.parent.data.flush() | python | def log(self, message: str):
"""
@deprecated
:param message:
:return:
"""
dset_log_id = '_%s_log' % self.iid
if dset_log_id not in self.parent.data.keys():
dset = self.parent.data.create_dataset(
dset_log_id, shape=(1,),
dtype=np.dtype([
('dt_log', '<i8'),
('message', 'S250')
])
)
else:
dset = self.parent.data[dset_log_id]
timestamp = np.array(
datetime.now().strftime("%s")
).astype('<i8').view('<M8[s]')
dset['dt_log'] = timestamp.view('<i8')
dset['message'] = message
self.parent.data.flush() | [
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OpenDataScienceLab/skdata | skdata/data.py | SkDataSet.summary | def summary(self, compute=False) -> pd.DataFrame:
"""
:param compute: if should call compute method
:return:
"""
if compute or self.result is None:
self.compute()
return summary(self.result) | python | def summary(self, compute=False) -> pd.DataFrame:
"""
:param compute: if should call compute method
:return:
"""
if compute or self.result is None:
self.compute()
return summary(self.result) | [
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stepank/pyws | src/pyws/adapters/_twisted.py | serve | def serve(request, server):
"""
Twisted Web adapter. It has two arguments:
#. ``request`` is a Twisted Web request object,
#. ``server`` is a pyws server object.
First one is the context of an application, function ``serve`` transforms
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"""
request_ = Request('/'.join(request.postpath),
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request.args, request.args, {})
response = server.process_request(request_)
request.setHeader('Content-Type', response.content_type)
request.setResponseCode(get_http_response_code_num(response))
return response.text | python | def serve(request, server):
"""
Twisted Web adapter. It has two arguments:
#. ``request`` is a Twisted Web request object,
#. ``server`` is a pyws server object.
First one is the context of an application, function ``serve`` transforms
it into a pyws request object. Then it feeds the request to the server,
gets the response, sets header ``Content-Type`` and returns response text.
"""
request_ = Request('/'.join(request.postpath),
request.content.read() if not request.method == 'GET' else '',
request.args, request.args, {})
response = server.process_request(request_)
request.setHeader('Content-Type', response.content_type)
request.setResponseCode(get_http_response_code_num(response))
return response.text | [
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opennode/waldur-core | waldur_core/structure/utils.py | get_sorted_dependencies | def get_sorted_dependencies(service_model):
"""
Returns list of application models in topological order.
It is used in order to correctly delete dependent resources.
"""
app_models = list(service_model._meta.app_config.get_models())
dependencies = {model: set() for model in app_models}
relations = (
relation
for model in app_models
for relation in model._meta.related_objects
if relation.on_delete in (models.PROTECT, models.CASCADE)
)
for rel in relations:
dependencies[rel.model].add(rel.related_model)
return stable_topological_sort(app_models, dependencies) | python | def get_sorted_dependencies(service_model):
"""
Returns list of application models in topological order.
It is used in order to correctly delete dependent resources.
"""
app_models = list(service_model._meta.app_config.get_models())
dependencies = {model: set() for model in app_models}
relations = (
relation
for model in app_models
for relation in model._meta.related_objects
if relation.on_delete in (models.PROTECT, models.CASCADE)
)
for rel in relations:
dependencies[rel.model].add(rel.related_model)
return stable_topological_sort(app_models, dependencies) | [
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opennode/waldur-core | waldur_core/structure/utils.py | update_pulled_fields | def update_pulled_fields(instance, imported_instance, fields):
"""
Update instance fields based on imported from backend data.
Save changes to DB only one or more fields were changed.
"""
modified = False
for field in fields:
pulled_value = getattr(imported_instance, field)
current_value = getattr(instance, field)
if current_value != pulled_value:
setattr(instance, field, pulled_value)
logger.info("%s's with PK %s %s field updated from value '%s' to value '%s'",
instance.__class__.__name__, instance.pk, field, current_value, pulled_value)
modified = True
error_message = getattr(imported_instance, 'error_message', '') or getattr(instance, 'error_message', '')
if error_message and instance.error_message != error_message:
instance.error_message = imported_instance.error_message
modified = True
if modified:
instance.save() | python | def update_pulled_fields(instance, imported_instance, fields):
"""
Update instance fields based on imported from backend data.
Save changes to DB only one or more fields were changed.
"""
modified = False
for field in fields:
pulled_value = getattr(imported_instance, field)
current_value = getattr(instance, field)
if current_value != pulled_value:
setattr(instance, field, pulled_value)
logger.info("%s's with PK %s %s field updated from value '%s' to value '%s'",
instance.__class__.__name__, instance.pk, field, current_value, pulled_value)
modified = True
error_message = getattr(imported_instance, 'error_message', '') or getattr(instance, 'error_message', '')
if error_message and instance.error_message != error_message:
instance.error_message = imported_instance.error_message
modified = True
if modified:
instance.save() | [
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opennode/waldur-core | waldur_core/structure/utils.py | handle_resource_not_found | def handle_resource_not_found(resource):
"""
Set resource state to ERRED and append/create "not found" error message.
"""
resource.set_erred()
resource.runtime_state = ''
message = 'Does not exist at backend.'
if message not in resource.error_message:
if not resource.error_message:
resource.error_message = message
else:
resource.error_message += ' (%s)' % message
resource.save()
logger.warning('%s %s (PK: %s) does not exist at backend.' % (
resource.__class__.__name__, resource, resource.pk)) | python | def handle_resource_not_found(resource):
"""
Set resource state to ERRED and append/create "not found" error message.
"""
resource.set_erred()
resource.runtime_state = ''
message = 'Does not exist at backend.'
if message not in resource.error_message:
if not resource.error_message:
resource.error_message = message
else:
resource.error_message += ' (%s)' % message
resource.save()
logger.warning('%s %s (PK: %s) does not exist at backend.' % (
resource.__class__.__name__, resource, resource.pk)) | [
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opennode/waldur-core | waldur_core/structure/utils.py | handle_resource_update_success | def handle_resource_update_success(resource):
"""
Recover resource if its state is ERRED and clear error message.
"""
update_fields = []
if resource.state == resource.States.ERRED:
resource.recover()
update_fields.append('state')
if resource.state in (resource.States.UPDATING, resource.States.CREATING):
resource.set_ok()
update_fields.append('state')
if resource.error_message:
resource.error_message = ''
update_fields.append('error_message')
if update_fields:
resource.save(update_fields=update_fields)
logger.warning('%s %s (PK: %s) was successfully updated.' % (
resource.__class__.__name__, resource, resource.pk)) | python | def handle_resource_update_success(resource):
"""
Recover resource if its state is ERRED and clear error message.
"""
update_fields = []
if resource.state == resource.States.ERRED:
resource.recover()
update_fields.append('state')
if resource.state in (resource.States.UPDATING, resource.States.CREATING):
resource.set_ok()
update_fields.append('state')
if resource.error_message:
resource.error_message = ''
update_fields.append('error_message')
if update_fields:
resource.save(update_fields=update_fields)
logger.warning('%s %s (PK: %s) was successfully updated.' % (
resource.__class__.__name__, resource, resource.pk)) | [
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nuagenetworks/bambou | bambou/nurest_request.py | NURESTRequest.set_header | def set_header(self, header, value):
""" Set header value """
# requests>=2.11 only accepts `str` or `bytes` header values
# raising an exception here, instead of leaving it to `requests` makes
# it easy to know where we passed a wrong header type in the code.
if not isinstance(value, (str, bytes)):
raise TypeError("header values must be str or bytes, but %s value has type %s" % (header, type(value)))
self._headers[header] = value | python | def set_header(self, header, value):
""" Set header value """
# requests>=2.11 only accepts `str` or `bytes` header values
# raising an exception here, instead of leaving it to `requests` makes
# it easy to know where we passed a wrong header type in the code.
if not isinstance(value, (str, bytes)):
raise TypeError("header values must be str or bytes, but %s value has type %s" % (header, type(value)))
self._headers[header] = value | [
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opennode/waldur-core | waldur_core/structure/tasks.py | BackgroundPullTask.set_instance_erred | def set_instance_erred(self, instance, error_message):
""" Mark instance as erred and save error message """
instance.set_erred()
instance.error_message = error_message
instance.save(update_fields=['state', 'error_message']) | python | def set_instance_erred(self, instance, error_message):
""" Mark instance as erred and save error message """
instance.set_erred()
instance.error_message = error_message
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noumar/iso639 | examples/logic.py | map_language | def map_language(language, dash3=True):
""" Use ISO 639-3 ?? """
if dash3:
from iso639 import languages
else:
from pycountry import languages
if '_' in language:
language = language.split('_')[0]
if len(language) == 2:
try: return languages.get(alpha2=language.lower())
except KeyError: pass
elif len(language) == 3:
if dash3:
try: return languages.get(part3=language.lower())
except KeyError: pass
try: return languages.get(terminology=language.lower())
except KeyError: pass
try: return languages.get(bibliographic=language.lower())
except KeyError: pass
else:
try: return languages.get(name=language.title())
except KeyError: pass
if dash3:
try: return languages.get(inverted=language.title())
except KeyError: pass
for l in re.split('[,.;: ]+', language):
try: return languages.get(name=l.title())
except KeyError: pass | python | def map_language(language, dash3=True):
""" Use ISO 639-3 ?? """
if dash3:
from iso639 import languages
else:
from pycountry import languages
if '_' in language:
language = language.split('_')[0]
if len(language) == 2:
try: return languages.get(alpha2=language.lower())
except KeyError: pass
elif len(language) == 3:
if dash3:
try: return languages.get(part3=language.lower())
except KeyError: pass
try: return languages.get(terminology=language.lower())
except KeyError: pass
try: return languages.get(bibliographic=language.lower())
except KeyError: pass
else:
try: return languages.get(name=language.title())
except KeyError: pass
if dash3:
try: return languages.get(inverted=language.title())
except KeyError: pass
for l in re.split('[,.;: ]+', language):
try: return languages.get(name=l.title())
except KeyError: pass | [
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opennode/waldur-core | waldur_core/structure/executors.py | BaseCleanupExecutor.get_task_signature | def get_task_signature(cls, instance, serialized_instance, **kwargs):
"""
Delete each resource using specific executor.
Convert executors to task and combine all deletion task into single sequential task.
"""
cleanup_tasks = [
ProjectResourceCleanupTask().si(
core_utils.serialize_class(executor_cls),
core_utils.serialize_class(model_cls),
serialized_instance,
)
for (model_cls, executor_cls) in cls.executors
]
if not cleanup_tasks:
return core_tasks.EmptyTask()
return chain(cleanup_tasks) | python | def get_task_signature(cls, instance, serialized_instance, **kwargs):
"""
Delete each resource using specific executor.
Convert executors to task and combine all deletion task into single sequential task.
"""
cleanup_tasks = [
ProjectResourceCleanupTask().si(
core_utils.serialize_class(executor_cls),
core_utils.serialize_class(model_cls),
serialized_instance,
)
for (model_cls, executor_cls) in cls.executors
]
if not cleanup_tasks:
return core_tasks.EmptyTask()
return chain(cleanup_tasks) | [
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opennode/waldur-core | waldur_core/core/utils.py | sort_dict | def sort_dict(unsorted_dict):
"""
Return a OrderedDict ordered by key names from the :unsorted_dict:
"""
sorted_dict = OrderedDict()
# sort items before inserting them into a dict
for key, value in sorted(unsorted_dict.items(), key=itemgetter(0)):
sorted_dict[key] = value
return sorted_dict | python | def sort_dict(unsorted_dict):
"""
Return a OrderedDict ordered by key names from the :unsorted_dict:
"""
sorted_dict = OrderedDict()
# sort items before inserting them into a dict
for key, value in sorted(unsorted_dict.items(), key=itemgetter(0)):
sorted_dict[key] = value
return sorted_dict | [
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opennode/waldur-core | waldur_core/core/utils.py | format_time_and_value_to_segment_list | def format_time_and_value_to_segment_list(time_and_value_list, segments_count, start_timestamp,
end_timestamp, average=False):
"""
Format time_and_value_list to time segments
Parameters
^^^^^^^^^^
time_and_value_list: list of tuples
Have to be sorted by time
Example: [(time, value), (time, value) ...]
segments_count: integer
How many segments will be in result
Returns
^^^^^^^
List of dictionaries
Example:
[{'from': time1, 'to': time2, 'value': sum_of_values_from_time1_to_time2}, ...]
"""
segment_list = []
time_step = (end_timestamp - start_timestamp) / segments_count
for i in range(segments_count):
segment_start_timestamp = start_timestamp + time_step * i
segment_end_timestamp = segment_start_timestamp + time_step
value_list = [
value for time, value in time_and_value_list
if time >= segment_start_timestamp and time < segment_end_timestamp]
segment_value = sum(value_list)
if average and len(value_list) != 0:
segment_value /= len(value_list)
segment_list.append({
'from': segment_start_timestamp,
'to': segment_end_timestamp,
'value': segment_value,
})
return segment_list | python | def format_time_and_value_to_segment_list(time_and_value_list, segments_count, start_timestamp,
end_timestamp, average=False):
"""
Format time_and_value_list to time segments
Parameters
^^^^^^^^^^
time_and_value_list: list of tuples
Have to be sorted by time
Example: [(time, value), (time, value) ...]
segments_count: integer
How many segments will be in result
Returns
^^^^^^^
List of dictionaries
Example:
[{'from': time1, 'to': time2, 'value': sum_of_values_from_time1_to_time2}, ...]
"""
segment_list = []
time_step = (end_timestamp - start_timestamp) / segments_count
for i in range(segments_count):
segment_start_timestamp = start_timestamp + time_step * i
segment_end_timestamp = segment_start_timestamp + time_step
value_list = [
value for time, value in time_and_value_list
if time >= segment_start_timestamp and time < segment_end_timestamp]
segment_value = sum(value_list)
if average and len(value_list) != 0:
segment_value /= len(value_list)
segment_list.append({
'from': segment_start_timestamp,
'to': segment_end_timestamp,
'value': segment_value,
})
return segment_list | [
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segments_count: integer
How many segments will be in result
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List of dictionaries
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opennode/waldur-core | waldur_core/core/utils.py | serialize_instance | def serialize_instance(instance):
""" Serialize Django model instance """
model_name = force_text(instance._meta)
return '{}:{}'.format(model_name, instance.pk) | python | def serialize_instance(instance):
""" Serialize Django model instance """
model_name = force_text(instance._meta)
return '{}:{}'.format(model_name, instance.pk) | [
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opennode/waldur-core | waldur_core/core/utils.py | deserialize_instance | def deserialize_instance(serialized_instance):
""" Deserialize Django model instance """
model_name, pk = serialized_instance.split(':')
model = apps.get_model(model_name)
return model._default_manager.get(pk=pk) | python | def deserialize_instance(serialized_instance):
""" Deserialize Django model instance """
model_name, pk = serialized_instance.split(':')
model = apps.get_model(model_name)
return model._default_manager.get(pk=pk) | [
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opennode/waldur-core | waldur_core/core/utils.py | deserialize_class | def deserialize_class(serilalized_cls):
""" Deserialize Python class """
module_name, cls_name = serilalized_cls.split(':')
module = importlib.import_module(module_name)
return getattr(module, cls_name) | python | def deserialize_class(serilalized_cls):
""" Deserialize Python class """
module_name, cls_name = serilalized_cls.split(':')
module = importlib.import_module(module_name)
return getattr(module, cls_name) | [
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opennode/waldur-core | waldur_core/core/utils.py | instance_from_url | def instance_from_url(url, user=None):
""" Restore instance from URL """
# XXX: This circular dependency will be removed then filter_queryset_for_user
# will be moved to model manager method
from waldur_core.structure.managers import filter_queryset_for_user
url = clear_url(url)
match = resolve(url)
model = get_model_from_resolve_match(match)
queryset = model.objects.all()
if user is not None:
queryset = filter_queryset_for_user(model.objects.all(), user)
return queryset.get(**match.kwargs) | python | def instance_from_url(url, user=None):
""" Restore instance from URL """
# XXX: This circular dependency will be removed then filter_queryset_for_user
# will be moved to model manager method
from waldur_core.structure.managers import filter_queryset_for_user
url = clear_url(url)
match = resolve(url)
model = get_model_from_resolve_match(match)
queryset = model.objects.all()
if user is not None:
queryset = filter_queryset_for_user(model.objects.all(), user)
return queryset.get(**match.kwargs) | [
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zeromake/aiosqlite3 | aiosqlite3/sa/transaction.py | Transaction.close | def close(self):
"""
Close this transaction.
If this transaction is the base transaction in a begin/commit
nesting, the transaction will rollback(). Otherwise, the
method returns.
This is used to cancel a Transaction without affecting the scope of
an enclosing transaction.
"""
if not self._connection or not self._parent:
return
if not self._parent._is_active:
# pragma: no cover
self._connection = None
# self._parent = None
return
if self._parent is self:
yield from self.rollback()
else:
self._is_active = False
self._connection = None
self._parent = None | python | def close(self):
"""
Close this transaction.
If this transaction is the base transaction in a begin/commit
nesting, the transaction will rollback(). Otherwise, the
method returns.
This is used to cancel a Transaction without affecting the scope of
an enclosing transaction.
"""
if not self._connection or not self._parent:
return
if not self._parent._is_active:
# pragma: no cover
self._connection = None
# self._parent = None
return
if self._parent is self:
yield from self.rollback()
else:
self._is_active = False
self._connection = None
self._parent = None | [
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zeromake/aiosqlite3 | aiosqlite3/sa/transaction.py | Transaction.commit | def commit(self):
"""
Commit this transaction.
"""
if not self._parent._is_active:
raise exc.InvalidRequestError("This transaction is inactive")
yield from self._do_commit()
self._is_active = False | python | def commit(self):
"""
Commit this transaction.
"""
if not self._parent._is_active:
raise exc.InvalidRequestError("This transaction is inactive")
yield from self._do_commit()
self._is_active = False | [
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opennode/waldur-core | waldur_core/server/admin/dashboard.py | CustomIndexDashboard._get_app_config | def _get_app_config(self, app_name):
"""
Returns an app config for the given name, not by label.
"""
matches = [app_config for app_config in apps.get_app_configs()
if app_config.name == app_name]
if not matches:
return
return matches[0] | python | def _get_app_config(self, app_name):
"""
Returns an app config for the given name, not by label.
"""
matches = [app_config for app_config in apps.get_app_configs()
if app_config.name == app_name]
if not matches:
return
return matches[0] | [
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opennode/waldur-core | waldur_core/server/admin/dashboard.py | CustomIndexDashboard._get_app_version | def _get_app_version(self, app_config):
"""
Some plugins ship multiple applications and extensions.
However all of them have the same version, because they are released together.
That's why only-top level module is used to fetch version information.
"""
base_name = app_config.__module__.split('.')[0]
module = __import__(base_name)
return getattr(module, '__version__', 'N/A') | python | def _get_app_version(self, app_config):
"""
Some plugins ship multiple applications and extensions.
However all of them have the same version, because they are released together.
That's why only-top level module is used to fetch version information.
"""
base_name = app_config.__module__.split('.')[0]
module = __import__(base_name)
return getattr(module, '__version__', 'N/A') | [
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opennode/waldur-core | waldur_core/server/admin/dashboard.py | CustomIndexDashboard._get_quick_access_info | def _get_quick_access_info(self):
"""
Returns a list of ListLink items to be added to Quick Access tab.
Contains:
- links to Organizations, Projects and Users;
- a link to shared service settings;
- custom configured links in admin/settings FLUENT_DASHBOARD_QUICK_ACCESS_LINKS attribute;
"""
quick_access_links = []
# add custom links
quick_access_links.extend(settings.FLUENT_DASHBOARD_QUICK_ACCESS_LINKS)
for model in (structure_models.Project,
structure_models.Customer,
core_models.User,
structure_models.SharedServiceSettings):
quick_access_links.append(self._get_link_to_model(model))
return quick_access_links | python | def _get_quick_access_info(self):
"""
Returns a list of ListLink items to be added to Quick Access tab.
Contains:
- links to Organizations, Projects and Users;
- a link to shared service settings;
- custom configured links in admin/settings FLUENT_DASHBOARD_QUICK_ACCESS_LINKS attribute;
"""
quick_access_links = []
# add custom links
quick_access_links.extend(settings.FLUENT_DASHBOARD_QUICK_ACCESS_LINKS)
for model in (structure_models.Project,
structure_models.Customer,
core_models.User,
structure_models.SharedServiceSettings):
quick_access_links.append(self._get_link_to_model(model))
return quick_access_links | [
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opennode/waldur-core | waldur_core/server/admin/dashboard.py | CustomIndexDashboard._get_erred_shared_settings_module | def _get_erred_shared_settings_module(self):
"""
Returns a LinkList based module which contains link to shared service setting instances in ERRED state.
"""
result_module = modules.LinkList(title=_('Shared provider settings in erred state'))
result_module.template = 'admin/dashboard/erred_link_list.html'
erred_state = structure_models.SharedServiceSettings.States.ERRED
queryset = structure_models.SharedServiceSettings.objects
settings_in_erred_state = queryset.filter(state=erred_state).count()
if settings_in_erred_state:
result_module.title = '%s (%s)' % (result_module.title, settings_in_erred_state)
for service_settings in queryset.filter(state=erred_state).iterator():
module_child = self._get_link_to_instance(service_settings)
module_child['error'] = service_settings.error_message
result_module.children.append(module_child)
else:
result_module.pre_content = _('Nothing found.')
return result_module | python | def _get_erred_shared_settings_module(self):
"""
Returns a LinkList based module which contains link to shared service setting instances in ERRED state.
"""
result_module = modules.LinkList(title=_('Shared provider settings in erred state'))
result_module.template = 'admin/dashboard/erred_link_list.html'
erred_state = structure_models.SharedServiceSettings.States.ERRED
queryset = structure_models.SharedServiceSettings.objects
settings_in_erred_state = queryset.filter(state=erred_state).count()
if settings_in_erred_state:
result_module.title = '%s (%s)' % (result_module.title, settings_in_erred_state)
for service_settings in queryset.filter(state=erred_state).iterator():
module_child = self._get_link_to_instance(service_settings)
module_child['error'] = service_settings.error_message
result_module.children.append(module_child)
else:
result_module.pre_content = _('Nothing found.')
return result_module | [
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opennode/waldur-core | waldur_core/server/admin/dashboard.py | CustomIndexDashboard._get_erred_resources_module | def _get_erred_resources_module(self):
"""
Returns a list of links to resources which are in ERRED state and linked to a shared service settings.
"""
result_module = modules.LinkList(title=_('Resources in erred state'))
erred_state = structure_models.NewResource.States.ERRED
children = []
resource_models = SupportedServices.get_resource_models()
resources_in_erred_state_overall = 0
for resource_type, resource_model in resource_models.items():
queryset = resource_model.objects.filter(service_project_link__service__settings__shared=True)
erred_amount = queryset.filter(state=erred_state).count()
if erred_amount:
resources_in_erred_state_overall = resources_in_erred_state_overall + erred_amount
link = self._get_erred_resource_link(resource_model, erred_amount, erred_state)
children.append(link)
if resources_in_erred_state_overall:
result_module.title = '%s (%s)' % (result_module.title, resources_in_erred_state_overall)
result_module.children = children
else:
result_module.pre_content = _('Nothing found.')
return result_module | python | def _get_erred_resources_module(self):
"""
Returns a list of links to resources which are in ERRED state and linked to a shared service settings.
"""
result_module = modules.LinkList(title=_('Resources in erred state'))
erred_state = structure_models.NewResource.States.ERRED
children = []
resource_models = SupportedServices.get_resource_models()
resources_in_erred_state_overall = 0
for resource_type, resource_model in resource_models.items():
queryset = resource_model.objects.filter(service_project_link__service__settings__shared=True)
erred_amount = queryset.filter(state=erred_state).count()
if erred_amount:
resources_in_erred_state_overall = resources_in_erred_state_overall + erred_amount
link = self._get_erred_resource_link(resource_model, erred_amount, erred_state)
children.append(link)
if resources_in_erred_state_overall:
result_module.title = '%s (%s)' % (result_module.title, resources_in_erred_state_overall)
result_module.children = children
else:
result_module.pre_content = _('Nothing found.')
return result_module | [
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stepank/pyws | src/pyws/adapters/_django.py | serve | def serve(request, tail, server):
"""
Django adapter. It has three arguments:
#. ``request`` is a Django request object,
#. ``tail`` is everything that's left from an URL, which adapter is
attached to,
#. ``server`` is a pyws server object.
First two are the context of an application, function ``serve`` transforms
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gets the response and transforms it into a Django response object.
"""
if request.GET:
body = ''
else:
try:
body = request.body
except AttributeError:
body = request.raw_post_data
request = Request(
tail,
body,
parse_qs(request.META['QUERY_STRING']),
parse_qs(body),
request.COOKIES,
)
response = server.process_request(request)
return HttpResponse(
response.text, content_type=response.content_type,
status=get_http_response_code_num(response)) | python | def serve(request, tail, server):
"""
Django adapter. It has three arguments:
#. ``request`` is a Django request object,
#. ``tail`` is everything that's left from an URL, which adapter is
attached to,
#. ``server`` is a pyws server object.
First two are the context of an application, function ``serve`` transforms
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"""
if request.GET:
body = ''
else:
try:
body = request.body
except AttributeError:
body = request.raw_post_data
request = Request(
tail,
body,
parse_qs(request.META['QUERY_STRING']),
parse_qs(body),
request.COOKIES,
)
response = server.process_request(request)
return HttpResponse(
response.text, content_type=response.content_type,
status=get_http_response_code_num(response)) | [
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher.index | def index(self, nurest_object):
""" Get index of the given item
Args:
nurest_object (bambou.NURESTObject): the NURESTObject object to verify
Returns:
Returns the position of the object.
Raises:
Raise a ValueError exception if object is not present
"""
for index, obj in enumerate(self):
if obj.equals(nurest_object):
return index
raise ValueError("%s is not in %s" % (nurest_object, self)) | python | def index(self, nurest_object):
""" Get index of the given item
Args:
nurest_object (bambou.NURESTObject): the NURESTObject object to verify
Returns:
Returns the position of the object.
Raises:
Raise a ValueError exception if object is not present
"""
for index, obj in enumerate(self):
if obj.equals(nurest_object):
return index
raise ValueError("%s is not in %s" % (nurest_object, self)) | [
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher.fetcher_with_object | def fetcher_with_object(cls, parent_object, relationship="child"):
""" Register the fetcher for a served object.
This method will fill the fetcher with `managed_class` instances
Args:
parent_object: the instance of the parent object to serve
Returns:
It returns the fetcher instance.
"""
fetcher = cls()
fetcher.parent_object = parent_object
fetcher.relationship = relationship
rest_name = cls.managed_object_rest_name()
parent_object.register_fetcher(fetcher, rest_name)
return fetcher | python | def fetcher_with_object(cls, parent_object, relationship="child"):
""" Register the fetcher for a served object.
This method will fill the fetcher with `managed_class` instances
Args:
parent_object: the instance of the parent object to serve
Returns:
It returns the fetcher instance.
"""
fetcher = cls()
fetcher.parent_object = parent_object
fetcher.relationship = relationship
rest_name = cls.managed_object_rest_name()
parent_object.register_fetcher(fetcher, rest_name)
return fetcher | [
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher._prepare_headers | def _prepare_headers(self, request, filter=None, order_by=None, group_by=[], page=None, page_size=None):
""" Prepare headers for the given request
Args:
request: the NURESTRequest to send
filter: string
order_by: string
group_by: list of names
page: int
page_size: int
"""
if filter:
request.set_header('X-Nuage-Filter', filter)
if order_by:
request.set_header('X-Nuage-OrderBy', order_by)
if page is not None:
request.set_header('X-Nuage-Page', str(page))
if page_size:
request.set_header('X-Nuage-PageSize', str(page_size))
if len(group_by) > 0:
header = ", ".join(group_by)
request.set_header('X-Nuage-GroupBy', 'true')
request.set_header('X-Nuage-Attributes', header) | python | def _prepare_headers(self, request, filter=None, order_by=None, group_by=[], page=None, page_size=None):
""" Prepare headers for the given request
Args:
request: the NURESTRequest to send
filter: string
order_by: string
group_by: list of names
page: int
page_size: int
"""
if filter:
request.set_header('X-Nuage-Filter', filter)
if order_by:
request.set_header('X-Nuage-OrderBy', order_by)
if page is not None:
request.set_header('X-Nuage-Page', str(page))
if page_size:
request.set_header('X-Nuage-PageSize', str(page_size))
if len(group_by) > 0:
header = ", ".join(group_by)
request.set_header('X-Nuage-GroupBy', 'true')
request.set_header('X-Nuage-Attributes', header) | [
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher.fetch | def fetch(self, filter=None, order_by=None, group_by=[], page=None, page_size=None, query_parameters=None, commit=True, async=False, callback=None):
""" Fetch objects according to given filter and page.
Note:
This method fetches all managed class objects and store them
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object will hold them in a list. You can prevent this behavior
by setting commit to False. In that case, the fetched children
won't be added in the parent object cache.
Args:
filter (string): string that represents a predicate filter
order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
commit (bool): boolean to update current object
callback (function): Callback that should be called in case of a async request
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Example:
>>> entity.children.fetch()
(<NUChildrenFetcher at aaaa>, <NUEntity at bbbb>, [<NUChildren at ccc>, <NUChildren at ddd>], <NURESTConnection at zzz>)
"""
request = NURESTRequest(method=HTTP_METHOD_GET, url=self._prepare_url(), params=query_parameters)
self._prepare_headers(request=request, filter=filter, order_by=order_by, group_by=group_by, page=page, page_size=page_size)
if async:
return self.parent_object.send_request(request=request, async=async, local_callback=self._did_fetch, remote_callback=callback, user_info={'commit': commit})
connection = self.parent_object.send_request(request=request, user_info={'commit': commit})
return self._did_fetch(connection=connection) | python | def fetch(self, filter=None, order_by=None, group_by=[], page=None, page_size=None, query_parameters=None, commit=True, async=False, callback=None):
""" Fetch objects according to given filter and page.
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order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
commit (bool): boolean to update current object
callback (function): Callback that should be called in case of a async request
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tuple: Returns a tuple of information (fetcher, served object, fetched objects, connection)
Example:
>>> entity.children.fetch()
(<NUChildrenFetcher at aaaa>, <NUEntity at bbbb>, [<NUChildren at ccc>, <NUChildren at ddd>], <NURESTConnection at zzz>)
"""
request = NURESTRequest(method=HTTP_METHOD_GET, url=self._prepare_url(), params=query_parameters)
self._prepare_headers(request=request, filter=filter, order_by=order_by, group_by=group_by, page=page, page_size=page_size)
if async:
return self.parent_object.send_request(request=request, async=async, local_callback=self._did_fetch, remote_callback=callback, user_info={'commit': commit})
connection = self.parent_object.send_request(request=request, user_info={'commit': commit})
return self._did_fetch(connection=connection) | [
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Note:
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by setting commit to False. In that case, the fetched children
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Args:
filter (string): string that represents a predicate filter
order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
commit (bool): boolean to update current object
callback (function): Callback that should be called in case of a async request
Returns:
tuple: Returns a tuple of information (fetcher, served object, fetched objects, connection)
Example:
>>> entity.children.fetch()
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher._did_fetch | def _did_fetch(self, connection):
""" Fetching objects has been done """
self.current_connection = connection
response = connection.response
should_commit = 'commit' not in connection.user_info or connection.user_info['commit']
if connection.response.status_code >= 400 and BambouConfig._should_raise_bambou_http_error:
raise BambouHTTPError(connection=connection)
if response.status_code != 200:
if should_commit:
self.current_total_count = 0
self.current_page = 0
self.current_ordered_by = ''
return self._send_content(content=None, connection=connection)
results = response.data
fetched_objects = list()
current_ids = list()
if should_commit:
if 'X-Nuage-Count' in response.headers and response.headers['X-Nuage-Count']:
self.current_total_count = int(response.headers['X-Nuage-Count'])
if 'X-Nuage-Page' in response.headers and response.headers['X-Nuage-Page']:
self.current_page = int(response.headers['X-Nuage-Page'])
if 'X-Nuage-OrderBy' in response.headers and response.headers['X-Nuage-OrderBy']:
self.current_ordered_by = response.headers['X-Nuage-OrderBy']
if results:
for result in results:
nurest_object = self.new()
nurest_object.from_dict(result)
nurest_object.parent = self.parent_object
fetched_objects.append(nurest_object)
if not should_commit:
continue
current_ids.append(nurest_object.id)
if nurest_object in self:
idx = self.index(nurest_object)
current_object = self[idx]
current_object.from_dict(nurest_object.to_dict())
else:
self.append(nurest_object)
if should_commit:
for obj in self:
if obj.id not in current_ids:
self.remove(obj)
return self._send_content(content=fetched_objects, connection=connection) | python | def _did_fetch(self, connection):
""" Fetching objects has been done """
self.current_connection = connection
response = connection.response
should_commit = 'commit' not in connection.user_info or connection.user_info['commit']
if connection.response.status_code >= 400 and BambouConfig._should_raise_bambou_http_error:
raise BambouHTTPError(connection=connection)
if response.status_code != 200:
if should_commit:
self.current_total_count = 0
self.current_page = 0
self.current_ordered_by = ''
return self._send_content(content=None, connection=connection)
results = response.data
fetched_objects = list()
current_ids = list()
if should_commit:
if 'X-Nuage-Count' in response.headers and response.headers['X-Nuage-Count']:
self.current_total_count = int(response.headers['X-Nuage-Count'])
if 'X-Nuage-Page' in response.headers and response.headers['X-Nuage-Page']:
self.current_page = int(response.headers['X-Nuage-Page'])
if 'X-Nuage-OrderBy' in response.headers and response.headers['X-Nuage-OrderBy']:
self.current_ordered_by = response.headers['X-Nuage-OrderBy']
if results:
for result in results:
nurest_object = self.new()
nurest_object.from_dict(result)
nurest_object.parent = self.parent_object
fetched_objects.append(nurest_object)
if not should_commit:
continue
current_ids.append(nurest_object.id)
if nurest_object in self:
idx = self.index(nurest_object)
current_object = self[idx]
current_object.from_dict(nurest_object.to_dict())
else:
self.append(nurest_object)
if should_commit:
for obj in self:
if obj.id not in current_ids:
self.remove(obj)
return self._send_content(content=fetched_objects, connection=connection) | [
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher.get | def get(self, filter=None, order_by=None, group_by=[], page=None, page_size=None, query_parameters=None, commit=True, async=False, callback=None):
""" Fetch object and directly return them
Note:
`get` won't put the fetched objects in the parent's children list.
You cannot override this behavior. If you want to commit them in the parent
you can use :method:vsdk.NURESTFetcher.fetch or manually add the list with
:method:vsdk.NURESTObject.add_child
Args:
filter (string): string that represents a predicate filter
order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
commit (bool): boolean to update current object
callback (function): Callback that should be called in case of a async request
Returns:
list: list of vsdk.NURESTObject if any
Example:
>>> print entity.children.get()
[<NUChildren at xxx>, <NUChildren at yyyy>, <NUChildren at zzz>]
"""
return self.fetch(filter=filter, order_by=order_by, group_by=group_by, page=page, page_size=page_size, query_parameters=query_parameters, commit=commit)[2] | python | def get(self, filter=None, order_by=None, group_by=[], page=None, page_size=None, query_parameters=None, commit=True, async=False, callback=None):
""" Fetch object and directly return them
Note:
`get` won't put the fetched objects in the parent's children list.
You cannot override this behavior. If you want to commit them in the parent
you can use :method:vsdk.NURESTFetcher.fetch or manually add the list with
:method:vsdk.NURESTObject.add_child
Args:
filter (string): string that represents a predicate filter
order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
commit (bool): boolean to update current object
callback (function): Callback that should be called in case of a async request
Returns:
list: list of vsdk.NURESTObject if any
Example:
>>> print entity.children.get()
[<NUChildren at xxx>, <NUChildren at yyyy>, <NUChildren at zzz>]
"""
return self.fetch(filter=filter, order_by=order_by, group_by=group_by, page=page, page_size=page_size, query_parameters=query_parameters, commit=commit)[2] | [
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Args:
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group_by (string): list of names for grouping
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page_size (int): number of results per page
commit (bool): boolean to update current object
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Returns:
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Example:
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher.get_first | def get_first(self, filter=None, order_by=None, group_by=[], query_parameters=None, commit=False, async=False, callback=None):
""" Fetch object and directly return the first one
Note:
`get_first` won't put the fetched object in the parent's children list.
You cannot override this behavior. If you want to commit it in the parent
you can use :method:vsdk.NURESTFetcher.fetch or manually add it with
:method:vsdk.NURESTObject.add_child
Args:
filter (string): string that represents a predicate filter
order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
commit (bool): boolean to update current object
callback (function): Callback that should be called in case of a async request
Returns:
vsdk.NURESTObject: the first object if any, or None
Example:
>>> print entity.children.get_first(filter="name == 'My Entity'")
<NUChildren at xxx>
"""
objects = self.get(filter=filter, order_by=order_by, group_by=group_by, page=0, page_size=1, query_parameters=query_parameters, commit=commit)
return objects[0] if len(objects) else None | python | def get_first(self, filter=None, order_by=None, group_by=[], query_parameters=None, commit=False, async=False, callback=None):
""" Fetch object and directly return the first one
Note:
`get_first` won't put the fetched object in the parent's children list.
You cannot override this behavior. If you want to commit it in the parent
you can use :method:vsdk.NURESTFetcher.fetch or manually add it with
:method:vsdk.NURESTObject.add_child
Args:
filter (string): string that represents a predicate filter
order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
commit (bool): boolean to update current object
callback (function): Callback that should be called in case of a async request
Returns:
vsdk.NURESTObject: the first object if any, or None
Example:
>>> print entity.children.get_first(filter="name == 'My Entity'")
<NUChildren at xxx>
"""
objects = self.get(filter=filter, order_by=order_by, group_by=group_by, page=0, page_size=1, query_parameters=query_parameters, commit=commit)
return objects[0] if len(objects) else None | [
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Returns:
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher.count | def count(self, filter=None, order_by=None, group_by=[], page=None, page_size=None, query_parameters=None, async=False, callback=None):
""" Get the total count of objects that can be fetched according to filter
This method can be asynchronous and trigger the callback method
when result is ready.
Args:
filter (string): string that represents a predicate fitler (eg. name == 'x')
order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
callback (function): Method that will be triggered asynchronously
Returns:
Returns a transaction ID when asynchronous call is made.
Otherwise it will return a tuple of information containing
(fetcher, served object, count of fetched objects)
"""
request = NURESTRequest(method=HTTP_METHOD_HEAD, url=self._prepare_url(), params=query_parameters)
self._prepare_headers(request=request, filter=filter, order_by=order_by, group_by=group_by, page=page, page_size=page_size)
if async:
return self.parent_object.send_request(request=request, async=async, local_callback=self._did_count, remote_callback=callback)
else:
connection = self.parent_object.send_request(request=request)
return self._did_count(connection) | python | def count(self, filter=None, order_by=None, group_by=[], page=None, page_size=None, query_parameters=None, async=False, callback=None):
""" Get the total count of objects that can be fetched according to filter
This method can be asynchronous and trigger the callback method
when result is ready.
Args:
filter (string): string that represents a predicate fitler (eg. name == 'x')
order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
callback (function): Method that will be triggered asynchronously
Returns:
Returns a transaction ID when asynchronous call is made.
Otherwise it will return a tuple of information containing
(fetcher, served object, count of fetched objects)
"""
request = NURESTRequest(method=HTTP_METHOD_HEAD, url=self._prepare_url(), params=query_parameters)
self._prepare_headers(request=request, filter=filter, order_by=order_by, group_by=group_by, page=page, page_size=page_size)
if async:
return self.parent_object.send_request(request=request, async=async, local_callback=self._did_count, remote_callback=callback)
else:
connection = self.parent_object.send_request(request=request)
return self._did_count(connection) | [
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page_size (int): number of results per page
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher.get_count | def get_count(self, filter=None, order_by=None, group_by=[], page=None, page_size=None, query_parameters=None):
""" Get the total count of objects that can be fetched according to filter
Args:
filter (string): string that represents a predicate fitler (eg. name == 'x')
order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
Returns:
Returns the number of objects found
"""
return self.count(filter=filter, order_by=order_by, group_by=group_by, page=page, page_size=page_size, query_parameters=query_parameters, async=False)[2] | python | def get_count(self, filter=None, order_by=None, group_by=[], page=None, page_size=None, query_parameters=None):
""" Get the total count of objects that can be fetched according to filter
Args:
filter (string): string that represents a predicate fitler (eg. name == 'x')
order_by (string): string that represents an order by clause
group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
Returns:
Returns the number of objects found
"""
return self.count(filter=filter, order_by=order_by, group_by=group_by, page=page, page_size=page_size, query_parameters=query_parameters, async=False)[2] | [
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group_by (string): list of names for grouping
page (int): number of the page to load
page_size (int): number of results per page
Returns:
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher._did_count | def _did_count(self, connection):
""" Called when count if finished """
self.current_connection = connection
response = connection.response
count = 0
callback = None
if 'X-Nuage-Count' in response.headers:
count = int(response.headers['X-Nuage-Count'])
if 'remote' in connection.callbacks:
callback = connection.callbacks['remote']
if connection.async:
if callback:
callback(self, self.parent_object, count)
self.current_connection.reset()
self.current_connection = None
else:
if connection.response.status_code >= 400 and BambouConfig._should_raise_bambou_http_error:
raise BambouHTTPError(connection=connection)
return (self, self.parent_object, count) | python | def _did_count(self, connection):
""" Called when count if finished """
self.current_connection = connection
response = connection.response
count = 0
callback = None
if 'X-Nuage-Count' in response.headers:
count = int(response.headers['X-Nuage-Count'])
if 'remote' in connection.callbacks:
callback = connection.callbacks['remote']
if connection.async:
if callback:
callback(self, self.parent_object, count)
self.current_connection.reset()
self.current_connection = None
else:
if connection.response.status_code >= 400 and BambouConfig._should_raise_bambou_http_error:
raise BambouHTTPError(connection=connection)
return (self, self.parent_object, count) | [
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nuagenetworks/bambou | bambou/nurest_fetcher.py | NURESTFetcher._send_content | def _send_content(self, content, connection):
""" Send a content array from the connection """
if connection:
if connection.async:
callback = connection.callbacks['remote']
if callback:
callback(self, self.parent_object, content)
self.current_connection.reset()
self.current_connection = None
else:
return (self, self.parent_object, content) | python | def _send_content(self, content, connection):
""" Send a content array from the connection """
if connection:
if connection.async:
callback = connection.callbacks['remote']
if callback:
callback(self, self.parent_object, content)
self.current_connection.reset()
self.current_connection = None
else:
return (self, self.parent_object, content) | [
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