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def dump ( self , fields = None , exclude = None ) : exclude = exclude or [ ] d = { } if fields and self . _primary_field not in fields : fields = list ( fields ) fields . append ( self . _primary_field ) for k , v in self . properties . items ( ) : if ( ( not fields ) or ( k in fields ) ) and ( not exclude or ( k not ...
Dump current object to dict but the value is string for manytomany fields will not automatically be dumpped only when they are given in fields parameter
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def clear_relation ( cls ) : for k , v in cls . properties . items ( ) : if isinstance ( v , ReferenceProperty ) : if hasattr ( v , 'collection_name' ) and hasattr ( v . reference_class , v . collection_name ) : delattr ( v . reference_class , v . collection_name ) if isinstance ( v , OneToOne ) : del v . reference_cla...
Clear relation properties for reference Model such as OneToOne Reference ManyToMany
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def put ( self , _name , ** values ) : try : sql = self . sqles [ _name ] data = sql [ 'data' ] if sql [ 'positional' ] : d = [ values [ k ] for k , v in sql [ 'fields' ] . items ( ) ] else : d = { v : values [ k ] for k , v in sql [ 'fields' ] . items ( ) } data . append ( d ) if self . size and len ( data ) >= self ....
Put data to cach if reached size value it ll execute at once .
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def get_key ( keyfile = None ) : keyfile = keyfile or application_path ( settings . SECRETKEY . SECRET_FILE ) with file ( keyfile , 'rb' ) as f : return f . read ( )
Read the key content from secret_file
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def get_cipher_key ( keyfile = None ) : _key = get_key ( keyfile ) _k = md5 ( _key ) . hexdigest ( ) key = xor ( _k [ : 8 ] , _k [ 8 : 16 ] , _k [ 16 : 24 ] , _k [ 24 : ] ) return key
Create key which will be used in des because des need 8bytes chars
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def set_many ( self , mapping , timeout = None ) : for key , value in _items ( mapping ) : self . set ( key , value , timeout )
Sets multiple keys and values from a mapping .
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def dec ( self , key , delta = 1 ) : self . set ( key , ( self . get ( key ) or 0 ) - delta )
Decrements the value of a key by delta . If the key does not yet exist it is initialized with - delta .
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def import_preferred_memcache_lib ( self , servers ) : try : import pylibmc except ImportError : pass else : return pylibmc . Client ( servers ) try : from google . appengine . api import memcache except ImportError : pass else : return memcache . Client ( ) try : import memcache except ImportError : pass else : return...
Returns an initialized memcache client . Used by the constructor .
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def dump_object ( self , value ) : t = type ( value ) if t is int or t is long : return str ( value ) return '!' + pickle . dumps ( value )
Dumps an object into a string for redis . By default it serializes integers as regular string and pickle dumps everything else .
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def extract_dirs ( mod , path , dst , verbose = False , exclude = None , exclude_ext = None , recursion = True , replace = True ) : default_exclude = [ '.svn' , '_svn' , '.git' ] default_exclude_ext = [ '.pyc' , '.pyo' , '.bak' , '.tmp' ] exclude = exclude or [ ] exclude_ext = exclude_ext or [ ] if not os . path . exis...
mod name path mod path dst output directory resursion True will extract all sub module of mod
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def walk_dirs ( path , include = None , include_ext = None , exclude = None , exclude_ext = None , recursion = True , file_only = False , use_default_pattern = True , patterns = None ) : default_exclude = [ '.svn' , '_svn' , '.git' ] default_exclude_ext = [ '.pyc' , '.pyo' , '.bak' , '.tmp' ] exclude = exclude or [ ] e...
path directory path resursion True will extract all sub module of mod
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def camel_to_ ( s ) : s1 = re . sub ( '(.)([A-Z][a-z]+)' , r'\1_\2' , s ) return re . sub ( '([a-z0-9])([A-Z])' , r'\1_\2' , s1 ) . lower ( )
Convert CamelCase to camel_case
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def application_path ( path ) : from uliweb import application return os . path . join ( application . project_dir , path )
Join application project_dir and path
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def get_uuid ( type = 4 ) : import uuid name = 'uuid' + str ( type ) u = getattr ( uuid , name ) return u ( ) . hex
Get uuid value
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def request_url ( req = None ) : from uliweb import request r = req or request if request : if r . query_string : return r . path + '?' + r . query_string else : return r . path else : return ''
Get full url of a request
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def compare_dict ( da , db ) : sa = set ( da . items ( ) ) sb = set ( db . items ( ) ) diff = sa & sb return dict ( sa - diff ) , dict ( sb - diff )
Compare differencs from two dicts
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def get_configrable_object ( key , section , cls = None ) : from uliweb import UliwebError , settings import inspect if inspect . isclass ( key ) and cls and issubclass ( key , cls ) : return key elif isinstance ( key , ( str , unicode ) ) : path = settings [ section ] . get ( key ) if path : _cls = import_attr ( path ...
if obj is a class then check if the class is subclass of cls or it should be object path and it ll be imported by import_attr
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def convert_bytes ( n ) : symbols = ( 'K' , 'M' , 'G' , 'T' , 'P' , 'E' , 'Z' , 'Y' ) prefix = { } for i , s in enumerate ( symbols ) : prefix [ s ] = 1 << ( i + 1 ) * 10 for s in reversed ( symbols ) : if n >= prefix [ s ] : value = float ( n ) / prefix [ s ] return '%.1f%s' % ( value , s ) return "%sB" % n
Convert a size number to K M . etc
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def init_static_combine ( ) : from uliweb import settings from hashlib import md5 import os d = { } if settings . get_var ( 'STATIC_COMBINE_CONFIG/enable' , False ) : for k , v in settings . get ( 'STATIC_COMBINE' , { } ) . items ( ) : key = '_cmb_' + md5 ( '' . join ( v ) ) . hexdigest ( ) + os . path . splitext ( v [...
Process static combine create md5 key according each static filename
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def csrf_token ( ) : from uliweb import request , settings from uliweb . utils . common import safe_str v = { } token_name = settings . CSRF . cookie_token_name if not request . session . deleted and request . session . get ( token_name ) : v = request . session [ token_name ] if time . time ( ) >= v [ 'created_time' ]...
Get csrf token or create new one
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def json ( self ) : if 'json' not in self . environ . get ( 'CONTENT_TYPE' , '' ) : raise BadRequest ( 'Not a JSON request' ) try : return loads ( self . data ) except Exception : raise BadRequest ( 'Unable to read JSON request' )
Get the result of simplejson . loads if possible .
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def parse_protobuf ( self , proto_type ) : if 'protobuf' not in self . environ . get ( 'CONTENT_TYPE' , '' ) : raise BadRequest ( 'Not a Protobuf request' ) obj = proto_type ( ) try : obj . ParseFromString ( self . data ) except Exception : raise BadRequest ( "Unable to parse Protobuf request" ) if self . protobuf_chec...
Parse the data into an instance of proto_type .
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def charset ( self ) : header = self . environ . get ( 'CONTENT_TYPE' ) if header : ct , options = parse_options_header ( header ) charset = options . get ( 'charset' ) if charset : if is_known_charset ( charset ) : return charset return self . unknown_charset ( charset ) return self . default_charset
The charset from the content type .
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def utf8 ( value ) : if isinstance ( value , _UTF8_TYPES ) : return value elif isinstance ( value , unicode_type ) : return value . encode ( "utf-8" ) else : return str ( value )
Converts a string argument to a byte string . If the argument is already a byte string or None it is returned unchanged . Otherwise it must be a unicode string and is encoded as utf8 .
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def to_basestring ( value ) : if value is None : return 'None' if isinstance ( value , _BASESTRING_TYPES ) : return value elif isinstance ( value , unicode_type ) : return value . decode ( "utf-8" ) else : return str ( value )
Converts a string argument to a subclass of basestring . In python2 byte and unicode strings are mostly interchangeable so functions that deal with a user - supplied argument in combination with ascii string constants can use either and should return the type the user supplied . In python3 the two types are not interch...
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def clear ( self ) : self . __values . clear ( ) self . __access_keys = [ ] self . __modified_times . clear ( )
Clears the dict .
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def has ( self , key , mtime = None ) : v = self . __values . get ( key , None ) if not v : return False if self . check_modified_time : mtime = self . _get_mtime ( key , mtime ) if mtime != self . __modified_times [ key ] : del self [ key ] return False return True
This method should almost NEVER be used . The reason is that between the time has_key is called and the key is accessed the key might vanish .
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def reset ( self ) : with self . lock : if self . cache : if self . use_tmp : shutil . rmtree ( self . tmp_dir , ignore_errors = True ) else : self . templates = { }
Resets the cache of compiled templates .
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def has_role ( user , * roles , ** kwargs ) : Role = get_model ( 'role' ) if isinstance ( user , ( unicode , str ) ) : User = get_model ( 'user' ) user = User . get ( User . c . username == user ) for role in roles : if isinstance ( role , ( str , unicode ) ) : role = Role . get ( Role . c . name == role ) if not role ...
Judge is the user belongs to the role and if does then return the role object if not then return False . kwargs will be passed to role_func .
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def has_permission ( user , * permissions , ** role_kwargs ) : Role = get_model ( 'role' ) Perm = get_model ( 'permission' ) if isinstance ( user , ( unicode , str ) ) : User = get_model ( 'user' ) user = User . get ( User . c . username == user ) for name in permissions : perm = Perm . get ( Perm . c . name == name ) ...
Judge if an user has permission and if it does return role object and if it doesn t return False . role_kwargs will be passed to role functions . With role object you can use role . relation to get Role_Perm_Rel object .
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def load_ssl_context ( cert_file , pkey_file ) : from OpenSSL import SSL ctx = SSL . Context ( SSL . SSLv23_METHOD ) ctx . use_certificate_file ( cert_file ) ctx . use_privatekey_file ( pkey_file ) return ctx
Loads an SSL context from a certificate and private key file .
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def select_ip_version ( host , port ) : if ':' in host and hasattr ( socket , 'AF_INET6' ) : return socket . AF_INET6 return socket . AF_INET
Returns AF_INET4 or AF_INET6 depending on where to connect to .
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def make_server ( host , port , app = None , threaded = False , processes = 1 , request_handler = None , passthrough_errors = False , ssl_context = None ) : if threaded and processes > 1 : raise ValueError ( "cannot have a multithreaded and " "multi process server." ) elif threaded : return ThreadedWSGIServer ( host , ...
Create a new server instance that is either threaded or forks or just processes one request after another .
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def _reloader_stat_loop ( extra_files = None , interval = 1 ) : from itertools import chain mtimes = { } while 1 : for filename in chain ( _iter_module_files ( ) , extra_files or ( ) ) : try : mtime = os . stat ( filename ) . st_mtime except OSError : continue old_time = mtimes . get ( filename ) if old_time is None : ...
When this function is run from the main thread it will force other threads to exit when any modules currently loaded change .
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def run_simple ( hostname , port , application , use_reloader = False , use_debugger = False , use_evalex = True , extra_files = None , reloader_interval = 1 , threaded = False , processes = 1 , request_handler = None , static_files = None , passthrough_errors = False , ssl_context = None ) : if use_debugger : from wer...
Start an application using wsgiref and with an optional reloader . This wraps wsgiref to fix the wrong default reporting of the multithreaded WSGI variable and adds optional multithreading and fork support .
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def to_attrs ( args , nocreate_if_none = [ 'id' , 'for' , 'class' ] ) : if not args : return '' s = [ '' ] for k , v in sorted ( args . items ( ) ) : k = u_str ( k ) v = u_str ( v ) if k . startswith ( '_' ) : k = k [ 1 : ] if v is None : if k not in nocreate_if_none : s . append ( k ) else : if k . lower ( ) in __noes...
Make python dict to k = v format
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def _get_modpkg_path ( dotted_name , pathlist = None ) : parts = dotted_name . split ( '.' , 1 ) if len ( parts ) > 1 : try : file , pathname , description = imp . find_module ( parts [ 0 ] , pathlist ) if file : file . close ( ) except ImportError : return None if description [ 2 ] == imp . PKG_DIRECTORY : pathname = ...
Get the filesystem path for a module or a package .
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def getFilesForName ( name ) : if not os . path . exists ( name ) : if containsAny ( name , "*?[]" ) : files = glob . glob ( name ) list = [ ] for file in files : list . extend ( getFilesForName ( file ) ) return list name = _get_modpkg_path ( name ) if not name : return [ ] if os . path . isdir ( name ) : list = [ ] o...
Get a list of module files for a filename a module or package name or a directory .
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def unescape ( s ) : def handle_match ( m ) : name = m . group ( 1 ) if name in HTMLBuilder . _entities : return unichr ( HTMLBuilder . _entities [ name ] ) try : if name [ : 2 ] in ( '#x' , '#X' ) : return unichr ( int ( name [ 2 : ] , 16 ) ) elif name . startswith ( '#' ) : return unichr ( int ( name [ 1 : ] ) ) exce...
The reverse function of escape . This unescapes all the HTML entities not only the XML entities inserted by escape .
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def append_slash_redirect ( environ , code = 301 ) : new_path = environ [ 'PATH_INFO' ] . strip ( '/' ) + '/' query_string = environ . get ( 'QUERY_STRING' ) if query_string : new_path += '?' + query_string return redirect ( new_path , code )
Redirect to the same URL but with a slash appended . The behavior of this function is undefined if the path ends with a slash already .
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def parse_translation ( f , lineno ) : line = f . readline ( ) def get_line ( f , line , need_keys , lineno , default = '""' ) : line = line . rstrip ( ) if not line : return lineno , need_keys [ 0 ] , default , line key , value = line . split ( ' ' , 1 ) if key not in need_keys : print 'Error Line, need %r: %d, line='...
Read a single translation entry from the file F and return a tuple with the comments msgid and msgstr . The comments is returned as a list of lines which do not end in new - lines . The msgid and msgstr are strings possibly with embedded newlines
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def get_form ( formcls ) : from uliweb . form import Form import inspect if inspect . isclass ( formcls ) and issubclass ( formcls , Form ) : return formcls elif isinstance ( formcls , ( str , unicode ) ) : path = settings . FORMS . get ( formcls ) if path : _cls = import_attr ( path ) return _cls else : raise UliwebEr...
get form class according form class path or form class object
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def run ( namespace = None , action_prefix = 'action_' , args = None ) : if namespace is None : namespace = sys . _getframe ( 1 ) . f_locals actions = find_actions ( namespace , action_prefix ) if args is None : args = sys . argv [ 1 : ] if not args or args [ 0 ] in ( '-h' , '--help' ) : return print_usage ( actions ) ...
Run the script . Participating actions are looked up in the caller s namespace if no namespace is given otherwise in the dict provided . Only items that start with action_prefix are processed as actions . If you want to use all items in the namespace provided as actions set action_prefix to an empty string .
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def fail ( message , code = - 1 ) : print ( 'Error: %s' % message , file = sys . stderr ) sys . exit ( code )
Fail with an error .
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def find_actions ( namespace , action_prefix ) : actions = { } for key , value in iteritems ( namespace ) : if key . startswith ( action_prefix ) : actions [ key [ len ( action_prefix ) : ] ] = analyse_action ( value ) return actions
Find all the actions in the namespace .
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def analyse_action ( func ) : description = inspect . getdoc ( func ) or 'undocumented action' arguments = [ ] args , varargs , kwargs , defaults = inspect . getargspec ( func ) if varargs or kwargs : raise TypeError ( 'variable length arguments for action not allowed.' ) if len ( args ) != len ( defaults or ( ) ) : ra...
Analyse a function .
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def make_shell ( init_func = None , banner = None , use_ipython = True ) : if banner is None : banner = 'Interactive Werkzeug Shell' if init_func is None : init_func = dict def action ( ipython = use_ipython ) : namespace = init_func ( ) if ipython : try : try : from IPython . frontend . terminal . embed import Interac...
Returns an action callback that spawns a new interactive python shell .
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def make_runserver ( app_factory , hostname = 'localhost' , port = 5000 , use_reloader = False , use_debugger = False , use_evalex = True , threaded = False , processes = 1 , static_files = None , extra_files = None , ssl_context = None ) : def action ( hostname = ( 'h' , hostname ) , port = ( 'p' , port ) , reloader =...
Returns an action callback that spawns a new development server .
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def unbind ( topic , func ) : if topic in _receivers : receivers = _receivers [ topic ] for i in range ( len ( receivers ) - 1 , - 1 , - 1 ) : nice , f = receivers [ i ] if ( callable ( func ) and f [ 'func' ] == func ) or ( f [ 'func_name' ] == func ) : del receivers [ i ] return
Remove receiver function
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def call ( sender , topic , * args , ** kwargs ) : if not topic in _receivers : return items = _receivers [ topic ] def _cmp ( x , y ) : return cmp ( x [ 0 ] , y [ 0 ] ) items . sort ( _cmp ) i = 0 while i < len ( items ) : nice , f = items [ i ] i = i + 1 _f = f [ 'func' ] if not _f : try : _f = import_attr ( f [ 'fun...
Invoke receiver functions according topic it ll invoke receiver functions one by one and it ll not return anything so if you want to return a value you should use get function .
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def get ( sender , topic , * args , ** kwargs ) : if not topic in _receivers : return items = _receivers [ topic ] def _cmp ( x , y ) : return cmp ( x [ 0 ] , y [ 0 ] ) items . sort ( _cmp ) for i in range ( len ( items ) ) : nice , f = items [ i ] _f = f [ 'func' ] if not _f : try : _f = import_attr ( f [ 'func_name' ...
Invoke receiver functions according topic it ll invoke receiver functions one by one and if one receiver function return non - None value it ll return it and break the loop .
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def __read_line ( self , f ) : g = tokenize . generate_tokens ( f . readline ) buf = [ ] time = 0 iden_existed = False while 1 : v = g . next ( ) tokentype , t , start , end , line = v if tokentype == 54 : continue if tokentype in ( token . INDENT , token . DEDENT , tokenize . COMMENT ) : continue if tokentype == token...
Get logic line according the syntax not the physical line It ll return the line text and if there is identifier existed return line bool
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def freeze ( self ) : self . _lazy = False for k , v in self . items ( ) : if k in self . _env : continue for _k , _v in v . items ( ) : if isinstance ( _v , Lazy ) : if self . writable : _v . get ( ) else : try : v . __setitem__ ( _k , _v . get ( ) , replace = True ) except : print "Error ini key:" , _k raise del _v s...
Process all EvalValue to real value
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def serialize ( self , expires = None ) : if self . secret_key is None : raise RuntimeError ( 'no secret key defined' ) if expires : self [ '_expires' ] = _date_to_unix ( expires ) result = [ ] mac = hmac ( self . secret_key , None , self . hash_method ) for key , value in sorted ( self . items ( ) ) : result . append ...
Serialize the secure cookie into a string .
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def unserialize ( cls , string , secret_key ) : if isinstance ( string , text_type ) : string = string . encode ( 'utf-8' , 'replace' ) if isinstance ( secret_key , text_type ) : secret_key = secret_key . encode ( 'utf-8' , 'replace' ) try : base64_hash , data = string . split ( b'?' , 1 ) except ( ValueError , IndexEr...
Load the secure cookie from a serialized string .
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def find_model ( sender , model_name ) : MC = get_mc ( ) model = MC . get ( ( MC . c . model_name == model_name ) & ( MC . c . uuid != '' ) ) if model : model_inst = model . get_instance ( ) orm . set_model ( model_name , model_inst . table_name , appname = __name__ , model_path = '' ) return orm . __models__ . get ( m...
Register new model to ORM
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def get_model_fields ( model , add_reserver_flag = True ) : import uliweb . orm as orm fields = [ ] m = { 'type' : 'type_name' , 'hint' : 'hint' , 'default' : 'default' , 'required' : 'required' } m1 = { 'index' : 'index' , 'unique' : 'unique' } for name , prop in model . properties . items ( ) : if name == 'id' : cont...
Creating fields suit for model_config id will be skipped .
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def get_model_indexes ( model , add_reserver_flag = True ) : import uliweb . orm as orm from sqlalchemy . engine . reflection import Inspector indexes = [ ] engine = model . get_engine ( ) . engine insp = Inspector . from_engine ( engine ) for index in insp . get_indexes ( model . tablename ) : d = { } d [ 'name' ] = i...
Creating indexes suit for model_config .
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def timeit ( output ) : b = time . time ( ) yield print output , 'time used: %.3fs' % ( time . time ( ) - b )
If output is string then print the string and also time used
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def host_is_trusted ( hostname , trusted_list ) : if not hostname : return False if isinstance ( trusted_list , string_types ) : trusted_list = [ trusted_list ] def _normalize ( hostname ) : if ':' in hostname : hostname = hostname . rsplit ( ':' , 1 ) [ 0 ] return _encode_idna ( hostname ) hostname = _normalize ( host...
Checks if a host is trusted against a list . This also takes care of port normalization .
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def get_content_length ( environ ) : content_length = environ . get ( 'CONTENT_LENGTH' ) if content_length is not None : try : return max ( 0 , int ( content_length ) ) except ( ValueError , TypeError ) : pass
Returns the content length from the WSGI environment as integer . If it s not available None is returned .
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def get_input_stream ( environ , safe_fallback = True ) : stream = environ [ 'wsgi.input' ] content_length = get_content_length ( environ ) if environ . get ( 'wsgi.input_terminated' ) : return stream if content_length is None : return safe_fallback and _empty_stream or stream return LimitedStream ( stream , content_le...
Returns the input stream from the WSGI environment and wraps it in the most sensible way possible . The stream returned is not the raw WSGI stream in most cases but one that is safe to read from without taking into account the content length .
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def get_path_info ( environ , charset = 'utf-8' , errors = 'replace' ) : path = wsgi_get_bytes ( environ . get ( 'PATH_INFO' , '' ) ) return to_unicode ( path , charset , errors , allow_none_charset = True )
Returns the PATH_INFO from the WSGI environment and properly decodes it . This also takes care about the WSGI decoding dance on Python 3 environments . if the charset is set to None a bytestring is returned .
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def pop_path_info ( environ , charset = 'utf-8' , errors = 'replace' ) : path = environ . get ( 'PATH_INFO' ) if not path : return None script_name = environ . get ( 'SCRIPT_NAME' , '' ) old_path = path path = path . lstrip ( '/' ) if path != old_path : script_name += '/' * ( len ( old_path ) - len ( path ) ) if '/' no...
Removes and returns the next segment of PATH_INFO pushing it onto SCRIPT_NAME . Returns None if there is nothing left on PATH_INFO .
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def _make_chunk_iter ( stream , limit , buffer_size ) : if isinstance ( stream , ( bytes , bytearray , text_type ) ) : raise TypeError ( 'Passed a string or byte object instead of ' 'true iterator or stream.' ) if not hasattr ( stream , 'read' ) : for item in stream : if item : yield item return if not isinstance ( str...
Helper for the line and chunk iter functions .
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def soap ( func = None , name = None , returns = None , args = None , doc = None , target = 'SOAP' ) : global __soap_functions__ returns = _fix_soap_kwargs ( returns ) args = _fix_soap_kwargs ( args ) if isinstance ( func , str ) and not name : return partial ( soap , name = func , returns = returns , args = args , doc...
soap supports multiple SOAP function collections it ll save functions to target dict and you can give other target but it should be keep up with SoapView . target definition .
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def getJsonData ( self , params ) : try : return eval ( "self." + str ( params [ 'output_id' ] ) + "(params)" ) except AttributeError : df = self . getData ( params ) if df is None : return None return df . to_dict ( orient = 'records' )
turns the DataFrame returned by getData into a dictionary
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def launch_in_notebook ( self , port = 9095 , width = 900 , height = 600 ) : from IPython . lib import backgroundjobs as bg from IPython . display import HTML jobs = bg . BackgroundJobManager ( ) jobs . new ( self . launch , kw = dict ( port = port ) ) frame = HTML ( '<iframe src=http://localhost:{} width={} height={}>...
launch the app within an iframe in ipython notebook
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def launch ( self , host = "local" , port = 8080 ) : self . root . templateVars [ 'app_bar' ] = self . site_app_bar for fullRoute , _ in self . site_app_bar [ 1 : ] : parent , route = self . get_route ( fullRoute ) parent . __dict__ [ route ] . templateVars [ 'app_bar' ] = self . site_app_bar if host != "local" : cherr...
Calling the Launch method on a Site object will serve the top node of the cherrypy Root object tree
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def exclude_args ( parser , args , excluded_args , target ) : msg = '"%s" option invalid for %s' for argname in excluded_args : if argname not in args : continue if args [ argname ] : optname = "--%s" % argname . replace ( "_" , "-" ) parser . error ( msg % ( optname , target ) ) del args [ argname ]
Delete options that are not appropriate for a following code path ; exit with an error if excluded options were passed in by the user .
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def _varLib_finder ( source , directory = "" , ext = "ttf" ) : fname = os . path . splitext ( os . path . basename ( source ) ) [ 0 ] + "." + ext return os . path . join ( directory , fname )
Finder function to be used with varLib . build to find master TTFs given the filename of the source UFO master as specified in the designspace . It replaces the UFO directory with the one specified in directory argument and replaces the file extension with ext .
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def build_master_ufos ( self , glyphs_path , designspace_path = None , master_dir = None , instance_dir = None , family_name = None , mti_source = None , ) : import glyphsLib if master_dir is None : master_dir = self . _output_dir ( "ufo" ) if not os . path . isdir ( master_dir ) : os . mkdir ( master_dir ) if instance...
Build UFOs and MutatorMath designspace from Glyphs source .
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def remove_overlaps ( self , ufos , glyph_filter = lambda g : len ( g ) ) : from booleanOperations import union , BooleanOperationsError for ufo in ufos : font_name = self . _font_name ( ufo ) logger . info ( "Removing overlaps for " + font_name ) for glyph in ufo : if not glyph_filter ( glyph ) : continue contours = l...
Remove overlaps in UFOs glyphs contours .
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def decompose_glyphs ( self , ufos , glyph_filter = lambda g : True ) : for ufo in ufos : logger . info ( "Decomposing glyphs for " + self . _font_name ( ufo ) ) for glyph in ufo : if not glyph . components or not glyph_filter ( glyph ) : continue self . _deep_copy_contours ( ufo , glyph , glyph , Transform ( ) ) glyph...
Move components of UFOs glyphs to their outlines .
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def build_ttfs ( self , ufos , ** kwargs ) : self . save_otfs ( ufos , ttf = True , ** kwargs )
Build OpenType binaries with TrueType outlines .
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def build_variable_font ( self , designspace , output_path = None , output_dir = None , master_bin_dir = None , ttf = True , ) : assert not ( output_path and output_dir ) , "mutually exclusive args" ext = "ttf" if ttf else "otf" if hasattr ( designspace , "__fspath__" ) : designspace = designspace . __fspath__ ( ) if i...
Build OpenType variable font from masters in a designspace .
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def subset_otf_from_ufo ( self , otf_path , ufo ) : from fontTools import subset ufo_order = makeOfficialGlyphOrder ( ufo ) if ".notdef" not in ufo_order : ufo_order . insert ( 0 , ".notdef" ) ot_order = TTFont ( otf_path ) . getGlyphOrder ( ) assert ot_order [ 0 ] == ".notdef" assert len ( ufo_order ) == len ( ot_orde...
Subset a font using export flags set by glyphsLib .
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def run_from_glyphs ( self , glyphs_path , designspace_path = None , master_dir = None , instance_dir = None , family_name = None , mti_source = None , ** kwargs ) : logger . info ( "Building master UFOs and designspace from Glyphs source" ) designspace_path = self . build_master_ufos ( glyphs_path , designspace_path =...
Run toolchain from Glyphs source .
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def interpolate_instance_ufos ( self , designspace , include = None , round_instances = False , expand_features_to_instances = False , ) : from glyphsLib . interpolation import apply_instance_data from mutatorMath . ufo . document import DesignSpaceDocumentReader if any ( source . layerName is not None for source in de...
Interpolate master UFOs with MutatorMath and return instance UFOs .
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def run_from_ufos ( self , ufos , output = ( ) , ** kwargs ) : if set ( output ) == { "ufo" } : return ufo_paths = [ ] if isinstance ( ufos , basestring ) : ufo_paths = glob . glob ( ufos ) ufos = [ Font ( x ) for x in ufo_paths ] elif isinstance ( ufos , list ) : ufos = [ Font ( x ) if isinstance ( x , basestring ) el...
Run toolchain from UFO sources .
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def _font_name ( self , ufo ) : family_name = ( ufo . info . familyName . replace ( " " , "" ) if ufo . info . familyName is not None else "None" ) style_name = ( ufo . info . styleName . replace ( " " , "" ) if ufo . info . styleName is not None else "None" ) return "{}-{}" . format ( family_name , style_name )
Generate a postscript - style font name .
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def _output_dir ( self , ext , is_instance = False , interpolatable = False , autohinted = False , is_variable = False , ) : assert not ( is_variable and any ( [ is_instance , interpolatable ] ) ) if is_variable : dir_prefix = "variable_" elif is_instance : dir_prefix = "instance_" else : dir_prefix = "master_" dir_suf...
Generate an output directory .
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def _output_path ( self , ufo_or_font_name , ext , is_instance = False , interpolatable = False , autohinted = False , is_variable = False , output_dir = None , suffix = None , ) : if isinstance ( ufo_or_font_name , basestring ) : font_name = ufo_or_font_name elif ufo_or_font_name . path : font_name = os . path . split...
Generate output path for a font file with given extension .
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def _designspace_locations ( self , designspace ) : maps = [ ] for elements in ( designspace . sources , designspace . instances ) : location_map = { } for element in elements : path = _normpath ( element . path ) location_map [ path ] = element . location maps . append ( location_map ) return maps
Map font filenames to their locations in a designspace .
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def _closest_location ( self , location_map , target ) : def dist ( a , b ) : return math . sqrt ( sum ( ( a [ k ] - b [ k ] ) ** 2 for k in a . keys ( ) ) ) paths = iter ( location_map . keys ( ) ) closest = next ( paths ) closest_dist = dist ( target , location_map [ closest ] ) for path in paths : cur_dist = dist ( ...
Return path of font whose location is closest to target .
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def ttfautohint ( in_file , out_file , args = None , ** kwargs ) : arg_list = [ "ttfautohint" ] file_args = [ in_file , out_file ] if args is not None : if kwargs : raise TypeError ( "Should not provide both cmd args and kwargs." ) rv = subprocess . call ( arg_list + args . split ( ) + file_args ) if rv != 0 : raise TT...
Thin wrapper around the ttfautohint command line tool .
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def _default_json_default ( obj ) : if isinstance ( obj , ( datetime . datetime , datetime . date , datetime . time ) ) : return obj . isoformat ( ) else : return str ( obj )
Coerce everything to strings . All objects representing time get output as ISO8601 .
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def format ( self , record ) : fields = record . __dict__ . copy ( ) if isinstance ( record . msg , dict ) : fields . update ( record . msg ) fields . pop ( 'msg' ) msg = "" else : msg = record . getMessage ( ) try : msg = msg . format ( ** fields ) except ( KeyError , IndexError , ValueError ) : pass except : msg = ms...
Format a log record to JSON if the message is a dict assume an empty message and use the dict as additional fields .
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def _build_fields ( self , defaults , fields ) : return dict ( list ( defaults . get ( '@fields' , { } ) . items ( ) ) + list ( fields . items ( ) ) )
Return provided fields including any in defaults
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def _authenticate ( self ) : self . cleanup_headers ( ) url = LOGIN_ENDPOINT data = self . query ( url , method = 'POST' , extra_params = { 'email' : self . __username , 'password' : self . __password } ) if isinstance ( data , dict ) and data . get ( 'success' ) : data = data . get ( 'data' ) self . authenticated = da...
Authenticate user and generate token .
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def cleanup_headers ( self ) : headers = { 'Content-Type' : 'application/json' } headers [ 'Authorization' ] = self . __token self . __headers = headers self . __params = { }
Reset the headers and params .
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def query ( self , url , method = 'GET' , extra_params = None , extra_headers = None , retry = 3 , raw = False , stream = False ) : response = None loop = 0 self . cleanup_headers ( ) while loop <= retry : if extra_params : params = self . __params params . update ( extra_params ) else : params = self . __params _LOGGE...
Return a JSON object or raw session .
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def devices ( self ) : if self . _all_devices : return self . _all_devices self . _all_devices = { } self . _all_devices [ 'cameras' ] = [ ] self . _all_devices [ 'base_station' ] = [ ] url = DEVICES_ENDPOINT data = self . query ( url ) for device in data . get ( 'data' ) : name = device . get ( 'deviceName' ) if ( ( d...
Return all devices on Arlo account .
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def lookup_camera_by_id ( self , device_id ) : camera = list ( filter ( lambda cam : cam . device_id == device_id , self . cameras ) ) [ 0 ] if camera : return camera return None
Return camera object by device_id .
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def refresh_attributes ( self , name ) : url = DEVICES_ENDPOINT response = self . query ( url ) if not response or not isinstance ( response , dict ) : return None for device in response . get ( 'data' ) : if device . get ( 'deviceName' ) == name : return device return None
Refresh attributes from a given Arlo object .
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def update ( self , update_cameras = False , update_base_station = False ) : self . _authenticate ( ) if update_cameras : url = DEVICES_ENDPOINT response = self . query ( url ) if not response or not isinstance ( response , dict ) : return for camera in self . cameras : for dev_info in response . get ( 'data' ) : if de...
Refresh object .
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def load ( self , days = PRELOAD_DAYS , only_cameras = None , date_from = None , date_to = None , limit = None ) : videos = [ ] url = LIBRARY_ENDPOINT if not ( date_from and date_to ) : now = datetime . today ( ) date_from = ( now - timedelta ( days = days ) ) . strftime ( '%Y%m%d' ) date_to = now . strftime ( '%Y%m%d'...
Load Arlo videos from the given criteria
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def _name ( self ) : return "{0} {1} {2}" . format ( self . _camera . name , pretty_timestamp ( self . created_at ) , self . _attrs . get ( 'mediaDuration' ) )
Define object name .
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def created_at_pretty ( self , date_format = None ) : if date_format : return pretty_timestamp ( self . created_at , date_format = date_format ) return pretty_timestamp ( self . created_at )
Return pretty timestamp .
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def created_today ( self ) : if self . datetime . date ( ) == datetime . today ( ) . date ( ) : return True return False
Return True if created today .