text_prompt stringlengths 157 13.1k | code_prompt stringlengths 7 19.8k ⌀ |
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def prepare_content_length(self, body):
"""Prepare Content-Length header based on request method and body""" |
if body is not None:
length = super_len(body)
if length:
# If length exists, set it. Otherwise, we fallback
# to Transfer-Encoding: chunked.
self.headers['Content-Length'] = builtin_str(length)
elif self.method not in ('GET', 'HEAD... |
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def prepare_auth(self, auth, url=''):
"""Prepares the given HTTP auth data.""" |
# If no Auth is explicitly provided, extract it from the URL first.
if auth is None:
url_auth = get_auth_from_url(self.url)
auth = url_auth if any(url_auth) else None
if auth:
if isinstance(auth, tuple) and len(auth) == 2:
# special-case bas... |
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def prepare_cookies(self, cookies):
"""Prepares the given HTTP cookie data. This function eventually generates a ``Cookie`` header from the given cookies using c... |
if isinstance(cookies, cookielib.CookieJar):
self._cookies = cookies
else:
self._cookies = cookiejar_from_dict(cookies)
cookie_header = get_cookie_header(self._cookies, self)
if cookie_header is not None:
self.headers['Cookie'] = cookie_header |
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def prepare_hooks(self, hooks):
"""Prepares the given hooks.""" |
# hooks can be passed as None to the prepare method and to this
# method. To prevent iterating over None, simply use an empty list
# if hooks is False-y
hooks = hooks or []
for event in hooks:
self.register_hook(event, hooks[event]) |
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def is_permanent_redirect(self):
"""True if this Response one of the permanent versions of redirect.""" |
return ('location' in self.headers and self.status_code in (codes.moved_permanently, codes.permanent_redirect)) |
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def close(self):
"""Releases the connection back to the pool. Once this method has been called the underlying ``raw`` object must not be accessed again. *Note: S... |
if not self._content_consumed:
self.raw.close()
release_conn = getattr(self.raw, 'release_conn', None)
if release_conn is not None:
release_conn() |
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def create_env_error_message(error, show_traceback, using_user_site):
"""Format an error message for an EnvironmentError It may occur anytime during the executio... |
parts = []
# Mention the error if we are not going to show a traceback
parts.append("Could not install packages due to an EnvironmentError")
if not show_traceback:
parts.append(": ")
parts.append(str(error))
else:
parts.append(".")
# Spilt the error indication from a h... |
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def _raise_timeout(self, err, url, timeout_value):
"""Is the error actually a timeout? Will raise a ReadTimeout or pass""" |
if isinstance(err, SocketTimeout):
raise ReadTimeoutError(self, url, "Read timed out. (read timeout=%s)" % timeout_value)
# See the above comment about EAGAIN in Python 3. In Python 2 we have
# to specifically catch it and throw the timeout error
if hasattr(err, 'errno') a... |
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def reload_system_path(self):
# type: () -> None """ Rebuilds the base system path and all of the contained finders within it. This will re-apply any changes to ... |
if self._system_path is not None:
self._system_path.clear_caches()
self._system_path = None
six.moves.reload_module(pyfinder_path)
self._system_path = self.create_system_path() |
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def _convert(cls, name, module, filter, source=None):
""" Create a new Enum subclass that replaces a collection of global constants """ |
# convert all constants from source (or module) that pass filter() to
# a new Enum called name, and export the enum and its members back to
# module;
# also, replace the __reduce_ex__ method so unpickling works in
# previous Python versions
module_globals = vars(_sys.modules[module])
if sou... |
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def unique(enumeration):
"""Class decorator that ensures only unique members exist in an enumeration.""" |
duplicates = []
for name, member in enumeration.__members__.items():
if name != member.name:
duplicates.append((name, member.name))
if duplicates:
duplicate_names = ', '.join(
["%s -> %s" % (alias, name) for (alias, name) in duplicates]
)
... |
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def _create_(cls, class_name, names=None, module=None, type=None, start=1):
"""Convenience method to create a new Enum class. `names` can be: * A string containi... |
if pyver < 3.0:
# if class_name is unicode, attempt a conversion to ASCII
if isinstance(class_name, unicode):
try:
class_name = class_name.encode('ascii')
except UnicodeEncodeError:
raise TypeError('%r is not repres... |
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def _get_mixins_(bases):
"""Returns the type for creating enum members, and the first inherited enum class. bases: the tuple of bases that was given to __new__ "... |
if not bases or Enum is None:
return object, Enum
# double check that we are not subclassing a class with existing
# enumeration members; while we're at it, see if any other data
# type has been mixed in so we can use the correct __new__
member_type = first_enum = ... |
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def format_for_columns(pkgs, options):
""" Convert the package data into something usable by output_package_listing_columns. """ |
running_outdated = options.outdated
# Adjust the header for the `pip list --outdated` case.
if running_outdated:
header = ["Package", "Version", "Latest", "Type"]
else:
header = ["Package", "Version"]
data = []
if options.verbose >= 1 or any(dist_is_editable(x) for x in pkgs):
... |
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def make(self, specification, options=None):
""" Make a script. :param specification: The specification, which is either a valid export entry specification (to m... |
filenames = []
entry = get_export_entry(specification)
if entry is None:
self._copy_script(specification, filenames)
else:
self._make_script(entry, filenames, options=options)
return filenames |
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def load(pipfile_path=None, inject_env=True):
"""Loads a pipfile from a given path. If none is provided, one will try to be found. """ |
if pipfile_path is None:
pipfile_path = Pipfile.find()
return Pipfile.load(filename=pipfile_path, inject_env=inject_env) |
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def inject_environment_variables(self, d):
""" Recursively injects environment variables into TOML values """ |
if not d:
return d
if isinstance(d, six.string_types):
return os.path.expandvars(d)
for k, v in d.items():
if isinstance(v, six.string_types):
d[k] = os.path.expandvars(v)
elif isinstance(v, dict):
d[k] = self.inje... |
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def load(klass, filename, inject_env=True):
"""Load a Pipfile from a given filename.""" |
p = PipfileParser(filename=filename)
pipfile = klass(filename=filename)
pipfile.data = p.parse(inject_env=inject_env)
return pipfile |
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def hash(self):
"""Returns the SHA256 of the pipfile's data.""" |
content = json.dumps(self.data, sort_keys=True, separators=(",", ":"))
return hashlib.sha256(content.encode("utf8")).hexdigest() |
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def lock(self):
"""Returns a JSON representation of the Pipfile.""" |
data = self.data
data['_meta']['hash'] = {"sha256": self.hash}
data['_meta']['pipfile-spec'] = 6
return json.dumps(data, indent=4, separators=(',', ': ')) |
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def assert_requirements(self):
""""Asserts PEP 508 specifiers.""" |
# Support for 508's implementation_version.
if hasattr(sys, 'implementation'):
implementation_version = format_full_version(sys.implementation.version)
else:
implementation_version = "0"
# Default to cpython for 2.7.
if hasattr(sys, 'implementation'):
... |
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def copyfileobj(fsrc, fdst, length=16*1024):
"""copy data from file-like object fsrc to file-like object fdst""" |
while 1:
buf = fsrc.read(length)
if not buf:
break
fdst.write(buf) |
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def copyfile(src, dst):
"""Copy data from src to dst""" |
if _samefile(src, dst):
raise Error("`%s` and `%s` are the same file" % (src, dst))
for fn in [src, dst]:
try:
st = os.stat(fn)
except OSError:
# File most likely does not exist
pass
else:
# XXX What about other special files? (so... |
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def copymode(src, dst):
"""Copy mode bits from src to dst""" |
if hasattr(os, 'chmod'):
st = os.stat(src)
mode = stat.S_IMODE(st.st_mode)
os.chmod(dst, mode) |
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def move(src, dst):
"""Recursively move a file or directory to another location. This is similar to the Unix "mv" command. If the destination is a directory or a... |
real_dst = dst
if os.path.isdir(dst):
if _samefile(src, dst):
# We might be on a case insensitive filesystem,
# perform the rename anyway.
os.rename(src, dst)
return
real_dst = os.path.join(dst, _basename(src))
if os.path.exists(real_dst)... |
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def _get_gid(name):
"""Returns a gid, given a group name.""" |
if getgrnam is None or name is None:
return None
try:
result = getgrnam(name)
except KeyError:
result = None
if result is not None:
return result[2]
return None |
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def _get_uid(name):
"""Returns an uid, given a user name.""" |
if getpwnam is None or name is None:
return None
try:
result = getpwnam(name)
except KeyError:
result = None
if result is not None:
return result[2]
return None |
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def _make_zipfile(base_name, base_dir, verbose=0, dry_run=0, logger=None):
"""Create a zip file from all the files under 'base_dir'. The output zip file will be ... |
zip_filename = base_name + ".zip"
archive_dir = os.path.dirname(base_name)
if not os.path.exists(archive_dir):
if logger is not None:
logger.info("creating %s", archive_dir)
if not dry_run:
os.makedirs(archive_dir)
# If zipfile module is not available, try spaw... |
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def get_archive_formats():
"""Returns a list of supported formats for archiving and unarchiving. Each element of the returned sequence is a tuple (name, descript... |
formats = [(name, registry[2]) for name, registry in
_ARCHIVE_FORMATS.items()]
formats.sort()
return formats |
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def register_archive_format(name, function, extra_args=None, description=''):
"""Registers an archive format. name is the name of the format. function is the cal... |
if extra_args is None:
extra_args = []
if not isinstance(function, collections.Callable):
raise TypeError('The %s object is not callable' % function)
if not isinstance(extra_args, (tuple, list)):
raise TypeError('extra_args needs to be a sequence')
for element in extra_args:
... |
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def get_unpack_formats():
"""Returns a list of supported formats for unpacking. Each element of the returned sequence is a tuple (name, extensions, description) ... |
formats = [(name, info[0], info[3]) for name, info in
_UNPACK_FORMATS.items()]
formats.sort()
return formats |
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def _check_unpack_options(extensions, function, extra_args):
"""Checks what gets registered as an unpacker.""" |
# first make sure no other unpacker is registered for this extension
existing_extensions = {}
for name, info in _UNPACK_FORMATS.items():
for ext in info[0]:
existing_extensions[ext] = name
for extension in extensions:
if extension in existing_extensions:
msg = '... |
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def register_unpack_format(name, extensions, function, extra_args=None, description=''):
"""Registers an unpack format. `name` is the name of the format. `extens... |
if extra_args is None:
extra_args = []
_check_unpack_options(extensions, function, extra_args)
_UNPACK_FORMATS[name] = extensions, function, extra_args, description |
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def unpack_archive(filename, extract_dir=None, format=None):
"""Unpack an archive. `filename` is the name of the archive. `extract_dir` is the name of the target... |
if extract_dir is None:
extract_dir = os.getcwd()
if format is not None:
try:
format_info = _UNPACK_FORMATS[format]
except KeyError:
raise ValueError("Unknown unpack format '{0}'".format(format))
func = format_info[1]
func(filename, extract_dir,... |
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def parseFragment(doc, container="div", treebuilder="etree", namespaceHTMLElements=True, **kwargs):
"""Parse an HTML fragment as a string or file-like object int... |
tb = treebuilders.getTreeBuilder(treebuilder)
p = HTMLParser(tb, namespaceHTMLElements=namespaceHTMLElements)
return p.parseFragment(doc, container=container, **kwargs) |
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def parse(self, stream, *args, **kwargs):
"""Parse a HTML document into a well-formed tree :arg stream: a file-like object or string containing the HTML to be pa... |
self._parse(stream, False, None, *args, **kwargs)
return self.tree.getDocument() |
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def parseFragment(self, stream, *args, **kwargs):
"""Parse a HTML fragment into a well-formed tree fragment :arg container: name of the element we're setting the... |
self._parse(stream, True, *args, **kwargs)
return self.tree.getFragment() |
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def construct_tree(index):
"""Construct tree representation of the pkgs from the index. The keys of the dict representing the tree will be objects of type DistPa... |
return dict((p, [ReqPackage(r, index.get(r.key))
for r in p.requires()])
for p in index.values()) |
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def sorted_tree(tree):
"""Sorts the dict representation of the tree The root packages as well as the intermediate packages are sorted in the alphabetical order o... |
return OrderedDict(sorted([(k, sorted(v, key=attrgetter('key')))
for k, v in tree.items()],
key=lambda kv: kv[0].key)) |
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def find_tree_root(tree, key):
"""Find a root in a tree by it's key :param dict tree: the pkg dependency tree obtained by calling `construct_tree` function :para... |
result = [p for p in tree.keys() if p.key == key]
assert len(result) in [0, 1]
return None if len(result) == 0 else result[0] |
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def reverse_tree(tree):
"""Reverse the dependency tree. ie. the keys of the resulting dict are objects of type ReqPackage and the values are lists of DistPackage... |
rtree = defaultdict(list)
child_keys = set(c.key for c in flatten(tree.values()))
for k, vs in tree.items():
for v in vs:
node = find_tree_root(rtree, v.key) or v
rtree[node].append(k.as_required_by(v))
if k.key not in child_keys:
rtree[k.as_requirement()... |
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def guess_version(pkg_key, default='?'):
"""Guess the version of a pkg when pip doesn't provide it :param str pkg_key: key of the package :param str default: def... |
try:
m = import_module(pkg_key)
except ImportError:
return default
else:
return getattr(m, '__version__', default) |
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def render_tree(tree, list_all=True, show_only=None, frozen=False, exclude=None):
"""Convert tree to string representation :param dict tree: the package tree :pa... |
tree = sorted_tree(tree)
branch_keys = set(r.key for r in flatten(tree.values()))
nodes = tree.keys()
use_bullets = not frozen
key_tree = dict((k.key, v) for k, v in tree.items())
get_children = lambda n: key_tree.get(n.key, [])
if show_only:
nodes = [p for p in nodes
... |
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def render_json(tree, indent):
"""Converts the tree into a flat json representation. The json repr will be a list of hashes, each hash having 2 fields: - package... |
return json.dumps([{'package': k.as_dict(),
'dependencies': [v.as_dict() for v in vs]}
for k, vs in tree.items()],
indent=indent) |
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def render_json_tree(tree, indent):
"""Converts the tree into a nested json representation. The json repr will be a list of hashes, each hash having the followin... |
tree = sorted_tree(tree)
branch_keys = set(r.key for r in flatten(tree.values()))
nodes = [p for p in tree.keys() if p.key not in branch_keys]
key_tree = dict((k.key, v) for k, v in tree.items())
get_children = lambda n: key_tree.get(n.key, [])
def aux(node, parent=None, chain=None):
i... |
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def dump_graphviz(tree, output_format='dot'):
"""Output dependency graph as one of the supported GraphViz output formats. :param dict tree: dependency graph :par... |
try:
from graphviz import backend, Digraph
except ImportError:
print('graphviz is not available, but necessary for the output '
'option. Please install it.', file=sys.stderr)
sys.exit(1)
if output_format not in backend.FORMATS:
print('{0} is not a supported ou... |
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def print_graphviz(dump_output):
"""Dump the data generated by GraphViz to stdout. :param dump_output: The output from dump_graphviz """ |
if hasattr(dump_output, 'encode'):
print(dump_output)
else:
with os.fdopen(sys.stdout.fileno(), 'wb') as bytestream:
bytestream.write(dump_output) |
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def conflicting_deps(tree):
"""Returns dependencies which are not present or conflict with the requirements of other packages. e.g. will warn if pkg1 requires pk... |
conflicting = defaultdict(list)
for p, rs in tree.items():
for req in rs:
if req.is_conflicting():
conflicting[p].append(req)
return conflicting |
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def cyclic_deps(tree):
"""Return cyclic dependencies as list of tuples :param list pkgs: pkg_resources.Distribution instances :param dict pkg_index: mapping of p... |
key_tree = dict((k.key, v) for k, v in tree.items())
get_children = lambda n: key_tree.get(n.key, [])
cyclic = []
for p, rs in tree.items():
for req in rs:
if p.key in map(attrgetter('key'), get_children(req)):
cyclic.append((p, req, p))
return cyclic |
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def is_conflicting(self):
"""If installed version conflicts with required version""" |
# unknown installed version is also considered conflicting
if self.installed_version == self.UNKNOWN_VERSION:
return True
ver_spec = (self.version_spec if self.version_spec else '')
req_version_str = '{0}{1}'.format(self.project_name, ver_spec)
req_obj = pkg_resource... |
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def check_against_chunks(self, chunks):
# type: (Iterator[bytes]) -> None """Check good hashes against ones built from iterable of chunks of data. Raise HashMism... |
gots = {}
for hash_name in iterkeys(self._allowed):
try:
gots[hash_name] = hashlib.new(hash_name)
except (ValueError, TypeError):
raise InstallationError('Unknown hash name: %s' % hash_name)
for chunk in chunks:
for hash in it... |
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def _drop_nodes_from_errorpaths(self, _errors, dp_items, sp_items):
""" Removes nodes by index from an errorpath, relatively to the basepaths of self. :param err... |
dp_basedepth = len(self.document_path)
sp_basedepth = len(self.schema_path)
for error in _errors:
for i in sorted(dp_items, reverse=True):
error.document_path = \
drop_item_from_tuple(error.document_path, dp_basedepth + i)
for i in sor... |
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def _lookup_field(self, path):
""" Searches for a field as defined by path. This method is used by the ``dependency`` evaluation logic. :param path: Path element... |
if path.startswith('^'):
path = path[1:]
context = self.document if path.startswith('^') \
else self.root_document
else:
context = self.document
parts = path.split('.')
for part in parts:
if part not in context:
... |
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def _drop_remaining_rules(self, *rules):
""" Drops rules from the queue of the rules that still need to be evaluated for the currently processed field. If no arg... |
if rules:
for rule in rules:
try:
self._remaining_rules.remove(rule)
except ValueError:
pass
else:
self._remaining_rules = [] |
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def normalized(self, document, schema=None, always_return_document=False):
""" Returns the document normalized according to the specified rules of a schema. :par... |
self.__init_processing(document, schema)
self.__normalize_mapping(self.document, self.schema)
self.error_handler.end(self)
if self._errors and not always_return_document:
return None
else:
return self.document |
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def validate(self, document, schema=None, update=False, normalize=True):
""" Normalizes and validates a mapping against a validation-schema of defined rules. :pa... |
self.update = update
self._unrequired_by_excludes = set()
self.__init_processing(document, schema)
if normalize:
self.__normalize_mapping(self.document, self.schema)
for field in self.document:
if self.ignore_none_values and self.document[field] is None... |
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def __validate_logical(self, operator, definitions, field, value):
""" Validates value against all definitions and logs errors according to the operator. """ |
valid_counter = 0
_errors = errors.ErrorList()
for i, definition in enumerate(definitions):
schema = {field: definition.copy()}
for rule in ('allow_unknown', 'type'):
if rule not in schema[field] and rule in self.schema[field]:
schema... |
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def __validate_required_fields(self, document):
""" Validates that required fields are not missing. :param document: The document being validated. """ |
try:
required = set(field for field, definition in self.schema.items()
if self._resolve_rules_set(definition).
get('required') is True)
except AttributeError:
if self.is_child and self.schema_path[-1] == 'schema':
... |
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def make_attrgetter(environment, attribute, postprocess=None):
"""Returns a callable that looks up the given attribute from a passed object with the rules of the... |
if attribute is None:
attribute = []
elif isinstance(attribute, string_types):
attribute = [int(x) if x.isdigit() else x for x in attribute.split('.')]
else:
attribute = [attribute]
def attrgetter(item):
for part in attribute:
item = environment.getitem(item... |
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def do_title(s):
"""Return a titlecased version of the value. I.e. words will start with uppercase letters, all remaining characters are lowercase. """ |
return ''.join(
[item[0].upper() + item[1:].lower()
for item in _word_beginning_split_re.split(soft_unicode(s))
if item]) |
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def do_sort( environment, value, reverse=False, case_sensitive=False, attribute=None ):
"""Sort an iterable. Per default it sorts ascending, if you pass it true ... |
key_func = make_attrgetter(
environment, attribute,
postprocess=ignore_case if not case_sensitive else None
)
return sorted(value, key=key_func, reverse=reverse) |
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def do_unique(environment, value, case_sensitive=False, attribute=None):
"""Returns a list of unique items from the the given iterable. .. sourcecode:: jinja {{ ... |
getter = make_attrgetter(
environment, attribute,
postprocess=ignore_case if not case_sensitive else None
)
seen = set()
for item in value:
key = getter(item)
if key not in seen:
seen.add(key)
yield item |
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def do_min(environment, value, case_sensitive=False, attribute=None):
"""Return the smallest item from the sequence. .. sourcecode:: jinja {{ [1, 2, 3]|min }} ->... |
return _min_or_max(environment, value, min, case_sensitive, attribute) |
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def do_max(environment, value, case_sensitive=False, attribute=None):
"""Return the largest item from the sequence. .. sourcecode:: jinja {{ [1, 2, 3]|max }} -> ... |
return _min_or_max(environment, value, max, case_sensitive, attribute) |
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def do_last(environment, seq):
"""Return the last item of a sequence.""" |
try:
return next(iter(reversed(seq)))
except StopIteration:
return environment.undefined('No last item, sequence was empty.') |
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def do_random(context, seq):
"""Return a random item from the sequence.""" |
try:
return random.choice(seq)
except IndexError:
return context.environment.undefined('No random item, sequence was empty.') |
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def do_indent( s, width=4, first=False, blank=False, indentfirst=None ):
"""Return a copy of the string with each line indented by 4 spaces. The first line and b... |
if indentfirst is not None:
warnings.warn(DeprecationWarning(
'The "indentfirst" argument is renamed to "first".'
), stacklevel=2)
first = indentfirst
s += u'\n' # this quirk is necessary for splitlines method
indention = u' ' * width
if blank:
rv = (u'\n'... |
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def do_wordwrap(environment, s, width=79, break_long_words=True, wrapstring=None):
""" Return a copy of the string passed to the filter wrapped after ``79`` char... |
if not wrapstring:
wrapstring = environment.newline_sequence
import textwrap
return wrapstring.join(textwrap.wrap(s, width=width, expand_tabs=False,
replace_whitespace=False,
break_long_words=break_long_words)) |
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def do_reverse(value):
"""Reverse the object or return an iterator that iterates over it the other way round. """ |
if isinstance(value, string_types):
return value[::-1]
try:
return reversed(value)
except TypeError:
try:
rv = list(value)
rv.reverse()
return rv
except TypeError:
raise FilterArgumentError('argument must be iterable') |
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def do_map(*args, **kwargs):
"""Applies a filter on a sequence of objects or looks up an attribute. This is useful when dealing with lists of objects but you are... |
seq, func = prepare_map(args, kwargs)
if seq:
for item in seq:
yield func(item) |
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def auto_complete_paths(current, completion_type):
"""If ``completion_type`` is ``file`` or ``path``, list all regular files and directories starting with ``curr... |
directory, filename = os.path.split(current)
current_path = os.path.abspath(directory)
# Don't complete paths if they can't be accessed
if not os.access(current_path, os.R_OK):
return
filename = os.path.normcase(filename)
# list all files that start with ``filename``
file_list = (x ... |
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def _build_wheel_modern(ireq, output_dir, finder, wheel_cache, kwargs):
"""Build a wheel. * ireq: The InstallRequirement object to build * output_dir: The direct... |
kwargs.update({"progress_bar": "off", "build_isolation": False})
with pip_shims.RequirementTracker() as req_tracker:
if req_tracker:
kwargs["req_tracker"] = req_tracker
preparer = pip_shims.RequirementPreparer(**kwargs)
builder = pip_shims.WheelBuilder(finder, preparer, whee... |
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def get_python_version(path):
# type: (str) -> str """Get python version string using subprocess from a given path.""" |
version_cmd = [path, "-c", "import sys; print(sys.version.split()[0])"]
try:
c = vistir.misc.run(
version_cmd,
block=True,
nospin=True,
return_object=True,
combine_stderr=False,
write_to_stdout=False,
)
except OSError:
... |
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def path_is_known_executable(path):
# type: (vistir.compat.Path) -> bool """ Returns whether a given path is a known executable from known executable extensions ... |
return (
path_is_executable(path)
or os.access(str(path), os.R_OK)
and path.suffix in KNOWN_EXTS
) |
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def looks_like_python(name):
# type: (str) -> bool """ Determine whether the supplied filename looks like a possible name of python. :param str name: The name of... |
if not any(name.lower().startswith(py_name) for py_name in PYTHON_IMPLEMENTATIONS):
return False
match = RE_MATCHER.match(name)
if match:
return any(fnmatch(name, rule) for rule in MATCH_RULES)
return False |
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def filter_pythons(path):
# type: (Union[str, vistir.compat.Path]) -> Iterable """Return all valid pythons in a given path""" |
if not isinstance(path, vistir.compat.Path):
path = vistir.compat.Path(str(path))
if not path.is_dir():
return path if path_is_python(path) else None
return filter(path_is_python, path.iterdir()) |
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def _get_cache_path_parts(self, link):
# type: (Link) -> List[str] """Get parts of part that must be os.path.joined with cache_dir """ |
# We want to generate an url to use as our cache key, we don't want to
# just re-use the URL because it might have other items in the fragment
# and we don't care about those.
key_parts = [link.url_without_fragment]
if link.hash_name is not None and link.hash is not None:
... |
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def get_path_for_link(self, link):
# type: (Link) -> str """Return a directory to store cached wheels for link Because there are M wheels for any one sdist, we p... |
parts = self._get_cache_path_parts(link)
# Store wheels within the root cache_dir
return os.path.join(self.cache_dir, "wheels", *parts) |
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def _get_dependencies_from_cache(ireq):
"""Retrieves dependencies for the requirement from the dependency cache. """ |
if os.environ.get("PASSA_IGNORE_LOCAL_CACHE"):
return
if ireq.editable:
return
try:
deps = DEPENDENCY_CACHE[ireq]
pyrq = REQUIRES_PYTHON_CACHE[ireq]
except KeyError:
return
# Preserving sanity: Run through the cache and make sure every entry if
# valid. ... |
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def _get_dependencies_from_json(ireq, sources):
"""Retrieves dependencies for the install requirement from the JSON API. :param ireq: A single InstallRequirement... |
if os.environ.get("PASSA_IGNORE_JSON_API"):
return
# It is technically possible to parse extras out of the JSON API's
# requirement format, but it is such a chore let's just use the simple API.
if ireq.extras:
return
try:
version = get_pinned_version(ireq)
except Value... |
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def _read_requirements(metadata, extras):
"""Read wheel metadata to know what it depends on. The `run_requires` attribute contains a list of dict or str specifyi... |
extras = extras or ()
requirements = []
for entry in metadata.run_requires:
if isinstance(entry, six.text_type):
entry = {"requires": [entry]}
extra = None
else:
extra = entry.get("extra")
if extra is not None and extra not in extras:
... |
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def _read_requires_python(metadata):
"""Read wheel metadata to know the value of Requires-Python. This is surprisingly poorly supported in Distlib. This function... |
# TODO: Support more metadata formats.
value = metadata.dictionary.get("requires_python")
if value is not None:
return value
if metadata._legacy:
value = metadata._legacy.get("Requires-Python")
if value is not None and value != "UNKNOWN":
return value
return "" |
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def _get_dependencies_from_pip(ireq, sources):
"""Retrieves dependencies for the requirement from pipenv.patched.notpip internals. The current strategy is to try... |
extras = ireq.extras or ()
try:
wheel = build_wheel(ireq, sources)
except WheelBuildError:
# XXX: This depends on a side effect of `build_wheel`. This block is
# reached when it fails to build an sdist, where the sdist would have
# been downloaded, extracted into `ireq.sourc... |
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def format_header_param(name, value):
""" Helper function to format and quote a single header parameter. Particularly useful for header parameters which might co... |
if not any(ch in value for ch in '"\\\r\n'):
result = '%s="%s"' % (name, value)
try:
result.encode('ascii')
except (UnicodeEncodeError, UnicodeDecodeError):
pass
else:
return result
if not six.PY3 and isinstance(value, six.text_type): # Pytho... |
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def _render_parts(self, header_parts):
""" Helper function to format and quote a single header. Useful for single headers that are composed of multiple items. E.... |
parts = []
iterable = header_parts
if isinstance(header_parts, dict):
iterable = header_parts.items()
for name, value in iterable:
if value is not None:
parts.append(self._render_part(name, value))
return '; '.join(parts) |
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def render_headers(self):
""" Renders the headers for this request field. """ |
lines = []
sort_keys = ['Content-Disposition', 'Content-Type', 'Content-Location']
for sort_key in sort_keys:
if self.headers.get(sort_key, False):
lines.append('%s: %s' % (sort_key, self.headers[sort_key]))
for header_name, header_value in self.headers.ite... |
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def make_multipart(self, content_disposition=None, content_type=None, content_location=None):
""" Makes this request field into a multipart request field. This m... |
self.headers['Content-Disposition'] = content_disposition or 'form-data'
self.headers['Content-Disposition'] += '; '.join([
'', self._render_parts(
(('name', self._name), ('filename', self._filename))
)
])
self.headers['Content-Type'] = content_ty... |
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def emptyTag(self, namespace, name, attrs, hasChildren=False):
"""Generates an EmptyTag token :arg namespace: the namespace of the token--can be ``None`` :arg na... |
yield {"type": "EmptyTag", "name": name,
"namespace": namespace,
"data": attrs}
if hasChildren:
yield self.error("Void element has children") |
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def text(self, data):
"""Generates SpaceCharacters and Characters tokens Depending on what's in the data, this generates one or more ``SpaceCharacters`` and ``Ch... |
data = data
middle = data.lstrip(spaceCharacters)
left = data[:len(data) - len(middle)]
if left:
yield {"type": "SpaceCharacters", "data": left}
data = middle
middle = data.rstrip(spaceCharacters)
right = data[len(middle):]
if middle:
... |
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def _get_activate_script(cmd, venv):
"""Returns the string to activate a virtualenv. This is POSIX-only at the moment since the compat (pexpect-based) shell does... |
# Suffix and source command for other shells.
# Support for fish shell.
if "fish" in cmd:
suffix = ".fish"
command = "source"
# Support for csh shell.
elif "csh" in cmd:
suffix = ".csh"
command = "source"
else:
suffix = ""
command = "."
# Esca... |
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def filename(self):
""" Build and return a filename from the various components. """ |
if self.buildver:
buildver = '-' + self.buildver
else:
buildver = ''
pyver = '.'.join(self.pyver)
abi = '.'.join(self.abi)
arch = '.'.join(self.arch)
# replace - with _ as a local version separator
version = self.version.replace('-', '_')
... |
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def add_to_path(p):
"""Adds a given path to the PATH.""" |
if p not in os.environ["PATH"]:
os.environ["PATH"] = "{0}{1}{2}".format(p, os.pathsep, os.environ["PATH"]) |
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def cleanup_virtualenv(bare=True):
"""Removes the virtualenv directory from the system.""" |
if not bare:
click.echo(crayons.red("Environment creation aborted."))
try:
# Delete the virtualenv.
vistir.path.rmtree(project.virtualenv_location)
except OSError as e:
click.echo(
"{0} An error occurred while removing {1}!".format(
crayons.red("E... |
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def find_a_system_python(line):
"""Find a Python installation from a given line. This tries to parse the line in various of ways: * Looks like an absolute path? ... |
from .vendor.pythonfinder import Finder
finder = Finder(system=False, global_search=True)
if not line:
return next(iter(finder.find_all_python_versions()), None)
# Use the windows finder executable
if (line.startswith("py ") or line.startswith("py.exe ")) and os.name == "nt":
line ... |
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def ensure_virtualenv(three=None, python=None, site_packages=False, pypi_mirror=None):
"""Creates a virtualenv, if one doesn't exist.""" |
from .environments import PIPENV_USE_SYSTEM
def abort():
sys.exit(1)
global USING_DEFAULT_PYTHON
if not project.virtualenv_exists:
try:
# Ensure environment variables are set properly.
ensure_environment()
# Ensure Python is available.
p... |
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def ensure_project( three=None, python=None, validate=True, system=False, warn=True, site_packages=False, deploy=False, skip_requirements=False, pypi_mirror=None,... |
from .environments import PIPENV_USE_SYSTEM
# Clear the caches, if appropriate.
if clear:
print("clearing")
sys.exit(1)
# Automatically use an activated virtualenv.
if PIPENV_USE_SYSTEM:
system = True
if not project.pipfile_exists and deploy:
raise exceptions.P... |
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def shorten_path(location, bold=False):
"""Returns a visually shorter representation of a given system path.""" |
original = location
short = os.sep.join(
[s[0] if len(s) > (len("2long4")) else s for s in location.split(os.sep)]
)
short = short.split(os.sep)
short[-1] = original.split(os.sep)[-1]
if bold:
short[-1] = str(crayons.normal(short[-1], bold=True))
return os.sep.join(short) |
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def do_where(virtualenv=False, bare=True):
"""Executes the where functionality.""" |
if not virtualenv:
if not project.pipfile_exists:
click.echo(
"No Pipfile present at project home. Consider running "
"{0} first to automatically generate a Pipfile for you."
"".format(crayons.green("`pipenv install`")),
err=True,
... |
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def fallback_which(command, location=None, allow_global=False, system=False):
""" A fallback implementation of the `which` utility command that relies exclusivel... |
from .vendor.pythonfinder import Finder
if not command:
raise ValueError("fallback_which: Must provide a command to search for...")
if not isinstance(command, six.string_types):
raise TypeError("Provided command must be a string, received {0!r}".format(command))
global_search = system ... |
<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
def which_pip(allow_global=False):
"""Returns the location of virtualenv-installed pip.""" |
location = None
if "VIRTUAL_ENV" in os.environ:
location = os.environ["VIRTUAL_ENV"]
if allow_global:
if location:
pip = which("pip", location=location)
if pip:
return pip
for p in ("pip", "pip3", "pip2"):
where = system_which(p)... |
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