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def has_module ( name , without_error = True ) : try : importlib . import_module ( name ) return True except ImportError : return False except Exception : return not without_error
Test if given module can be imported .
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def pathencode ( path ) : if isinstance ( path , unicode ) and not os . path . supports_unicode_filenames : path = path . encode ( FSCODING , "replace" ) return path
Encode a path string with the platform file system encoding .
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def has_changed ( filename ) : key = os . path . abspath ( filename ) mtime = get_mtime ( key ) if key not in _mtime_cache : _mtime_cache [ key ] = mtime return True return mtime > _mtime_cache [ key ]
Check if filename has changed since the last check . If this is the first check assume the file is changed .
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def is_readable ( filename ) : return os . path . isfile ( filename ) and os . access ( filename , os . R_OK )
Check if file is a regular file and is readable .
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def is_accessable_by_others ( filename ) : mode = os . stat ( filename ) [ stat . ST_MODE ] return mode & ( stat . S_IRWXG | stat . S_IRWXO )
Check if file is group or world accessable .
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def is_writable_by_others ( filename ) : mode = os . stat ( filename ) [ stat . ST_MODE ] return mode & stat . S_IWOTH
Check if file or directory is world writable .
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def is_writable ( filename ) : if not os . path . exists ( filename ) : parentdir = os . path . dirname ( filename ) return os . path . isdir ( parentdir ) and os . access ( parentdir , os . W_OK ) return os . path . isfile ( filename ) and os . access ( filename , os . W_OK )
Check if - the file is a regular file and is writable or - the file does not exist and its parent directory exists and is writable
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def write ( self , data ) : self . tmpbuf . append ( data ) self . pos += len ( data )
Write data to buffer .
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def flush ( self , overlap = 0 ) : self . buf += self . empty . join ( self . tmpbuf ) self . tmpbuf = [ ] if overlap and overlap < self . pos : data = self . buf [ : - overlap ] self . buf = self . buf [ - overlap : ] else : data = self . buf self . buf = self . empty return data
Flush buffered data and return it .
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def guess_url ( url ) : if url . lower ( ) . startswith ( "www." ) : return "http://%s" % url elif url . lower ( ) . startswith ( "ftp." ) : return "ftp://%s" % url return url
Guess if URL is a http or ftp URL .
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def absolute_url ( base_url , base_ref , parent_url ) : if base_url and urlutil . url_is_absolute ( base_url ) : return base_url elif base_ref and urlutil . url_is_absolute ( base_ref ) : return base_ref elif parent_url and urlutil . url_is_absolute ( parent_url ) : return parent_url return u""
Search for the absolute url to detect the link type . This does not join any url fragments together!
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def get_url_from ( base_url , recursion_level , aggregate , parent_url = None , base_ref = None , line = 0 , column = 0 , page = 0 , name = u"" , parent_content_type = None , extern = None ) : if base_url is not None : base_url = strformat . unicode_safe ( base_url ) base_url_stripped = base_url . lstrip ( ) else : bas...
Get url data from given base data .
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def get_urlclass_from ( scheme , assume_local_file = False ) : if scheme in ( "http" , "https" ) : klass = httpurl . HttpUrl elif scheme == "ftp" : klass = ftpurl . FtpUrl elif scheme == "file" : klass = fileurl . FileUrl elif scheme == "telnet" : klass = telneturl . TelnetUrl elif scheme == "mailto" : klass = mailtour...
Return checker class for given URL scheme . If the scheme cannot be matched and assume_local_file is True assume a local file .
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def get_index_html ( urls ) : lines = [ "<html>" , "<body>" ] for entry in urls : name = cgi . escape ( entry ) try : url = cgi . escape ( urllib . quote ( entry ) ) except KeyError : url = name lines . append ( '<a href="%s">%s</a>' % ( url , name ) ) lines . extend ( [ "</body>" , "</html>" ] ) return os . linesep . ...
Construct artificial index . html from given URLs .
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def run_checked ( self ) : self . start_time = time . time ( ) self . setName ( "Interrupt" ) while not self . stopped ( self . WaitSeconds ) : duration = time . time ( ) - self . start_time if duration > self . duration : log . warn ( LOG_CHECK , "Interrupt after %s" % strformat . strduration_long ( duration ) ) raise...
Wait and raise KeyboardInterrupt after .
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def esc_ansicolor ( color ) : control = '' if ";" in color : control , color = color . split ( ";" , 1 ) control = AnsiControl . get ( control , '' ) + ";" cnum = AnsiColor . get ( color , '0' ) return AnsiEsc % ( control + cnum )
convert a named color definition to an escaped ANSI color
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def get_win_color ( color ) : foreground = background = style = None control = '' if ";" in color : control , color = color . split ( ";" , 1 ) if control == bold : style = colorama . BRIGHT if color in InverseColors : background = WinColor [ color ] else : foreground = WinColor . get ( color ) return foreground , back...
Convert a named color definition to Windows console color foreground background and style numbers .
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def has_colors ( fp ) : if not is_tty ( fp ) : return False if os . name == 'nt' : return True elif has_curses : import curses try : curses . setupterm ( os . environ . get ( "TERM" ) , fp . fileno ( ) ) return curses . tigetnum ( "colors" ) >= 8 except curses . error : return False return False
Test if given file is an ANSI color enabled tty .
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def get_columns ( fp ) : if not is_tty ( fp ) : return 80 if os . name == 'nt' : return colorama . get_console_size ( ) . X if has_curses : import curses try : curses . setupterm ( os . environ . get ( "TERM" ) , fp . fileno ( ) ) return curses . tigetnum ( "cols" ) except curses . error : pass return 80
Return number of columns for given file .
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def _write_color ( self , text , color = None ) : if color is None : self . fp . write ( text ) else : write_color ( self . fp , text , color )
Print text with given color . If color is None print text as - is .
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def search_url ( obj , url_data , pageno , seen_objs ) : if isinstance ( obj , PDFObjRef ) : if obj . objid in seen_objs : return seen_objs . add ( obj . objid ) obj = obj . resolve ( ) if isinstance ( obj , dict ) : for key , value in obj . items ( ) : if key == 'URI' and isinstance ( value , basestring ) : url = strf...
Recurse through a PDF object searching for URLs .
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def check ( self , url_data ) : password = '' data = url_data . get_content ( ) fp = StringIO ( data ) try : parser = PDFParser ( fp ) doc = PDFDocument ( parser , password = password ) for ( pageno , page ) in enumerate ( PDFPage . create_pages ( doc ) , start = 1 ) : if "Contents" in page . attrs : search_url ( page ...
Parse PDF data .
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def _escapify ( label ) : text = '' for c in label : if c in _escaped : text += '\\' + c elif ord ( c ) > 0x20 and ord ( c ) < 0x7F : text += c else : text += '\\%03d' % ord ( c ) return text
Escape the characters in label which need it .
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def _validate_labels ( labels ) : l = len ( labels ) total = 0 i = - 1 j = 0 for label in labels : ll = len ( label ) total += ll + 1 if ll > 63 : raise LabelTooLong if i < 0 and label == '' : i = j j += 1 if total > 255 : raise NameTooLong if i >= 0 and i != l - 1 : raise EmptyLabel
Check for empty labels in the middle of a label sequence labels that are too long and for too many labels .
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def from_unicode ( text , origin = root ) : if not isinstance ( text , unicode ) : raise ValueError ( "input to from_unicode() must be a unicode string" ) if not ( origin is None or isinstance ( origin , Name ) ) : raise ValueError ( "origin must be a Name or None" ) labels = [ ] label = u'' escaping = False edigits = ...
Convert unicode text into a Name object .
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def from_text ( text , origin = root ) : if not isinstance ( text , str ) : if isinstance ( text , unicode ) and sys . hexversion >= 0x02030000 : return from_unicode ( text , origin ) else : raise ValueError ( "input to from_text() must be a string" ) if not ( origin is None or isinstance ( origin , Name ) ) : raise Va...
Convert text into a Name object .
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def from_wire ( message , current ) : if not isinstance ( message , str ) : raise ValueError ( "input to from_wire() must be a byte string" ) message = dns . wiredata . maybe_wrap ( message ) labels = [ ] biggest_pointer = current hops = 0 count = ord ( message [ current ] ) current += 1 cused = 1 while count != 0 : if...
Convert possibly compressed wire format into a Name .
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def is_subdomain ( self , other ) : ( nr , o , nl ) = self . fullcompare ( other ) if nr == NAMERELN_SUBDOMAIN or nr == NAMERELN_EQUAL : return True return False
Is self a subdomain of other?
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def is_superdomain ( self , other ) : ( nr , o , nl ) = self . fullcompare ( other ) if nr == NAMERELN_SUPERDOMAIN or nr == NAMERELN_EQUAL : return True return False
Is self a superdomain of other?
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def to_text ( self , omit_final_dot = False ) : if len ( self . labels ) == 0 : return '@' if len ( self . labels ) == 1 and self . labels [ 0 ] == '' : return '.' if omit_final_dot and self . is_absolute ( ) : l = self . labels [ : - 1 ] else : l = self . labels s = '.' . join ( map ( _escapify , l ) ) return s
Convert name to text format .
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def to_unicode ( self , omit_final_dot = False ) : if len ( self . labels ) == 0 : return u'@' if len ( self . labels ) == 1 and self . labels [ 0 ] == '' : return u'.' if omit_final_dot and self . is_absolute ( ) : l = self . labels [ : - 1 ] else : l = self . labels s = u'.' . join ( [ encodings . idna . ToUnicode ( ...
Convert name to Unicode text format .
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def to_digestable ( self , origin = None ) : if not self . is_absolute ( ) : if origin is None or not origin . is_absolute ( ) : raise NeedAbsoluteNameOrOrigin labels = list ( self . labels ) labels . extend ( list ( origin . labels ) ) else : labels = self . labels dlabels = [ "%s%s" % ( chr ( len ( x ) ) , x . lower ...
Convert name to a format suitable for digesting in hashes .
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def to_wire ( self , file = None , compress = None , origin = None ) : if file is None : file = cStringIO . StringIO ( ) want_return = True else : want_return = False if not self . is_absolute ( ) : if origin is None or not origin . is_absolute ( ) : raise NeedAbsoluteNameOrOrigin labels = list ( self . labels ) labels...
Convert name to wire format possibly compressing it .
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def split ( self , depth ) : l = len ( self . labels ) if depth == 0 : return ( self , dns . name . empty ) elif depth == l : return ( dns . name . empty , self ) elif depth < 0 or depth > l : raise ValueError ( 'depth must be >= 0 and <= the length of the name' ) return ( Name ( self [ : - depth ] ) , Name ( self [ - ...
Split a name into a prefix and suffix at depth .
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def concatenate ( self , other ) : if self . is_absolute ( ) and len ( other ) > 0 : raise AbsoluteConcatenation labels = list ( self . labels ) labels . extend ( list ( other . labels ) ) return Name ( labels )
Return a new name which is the concatenation of self and other .
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def relativize ( self , origin ) : if not origin is None and self . is_subdomain ( origin ) : return Name ( self [ : - len ( origin ) ] ) else : return self
If self is a subdomain of origin return a new name which is self relative to origin . Otherwise return self .
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def choose_relativity ( self , origin = None , relativize = True ) : if origin : if relativize : return self . relativize ( origin ) else : return self . derelativize ( origin ) else : return self
Return a name with the relativity desired by the caller . If origin is None then self is returned . Otherwise if relativize is true the name is relativized and if relativize is false the name is derelativized .
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def parent ( self ) : if self == root or self == empty : raise NoParent return Name ( self . labels [ 1 : ] )
Return the parent of the name .
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def init_win32com ( ) : global _initialized if _initialized : return import win32com . client if win32com . client . gencache . is_readonly : win32com . client . gencache . is_readonly = False win32com . client . gencache . Rebuild ( ) _initialized = True
Initialize the win32com . client cache .
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def has_word ( ) : if not has_win32com : return False try : import _winreg as winreg except ImportError : import winreg try : key = winreg . OpenKey ( winreg . HKEY_CLASSES_ROOT , "Word.Application" ) winreg . CloseKey ( key ) return True except ( EnvironmentError , ImportError ) : pass return False
Determine if Word is available on the current system .
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def get_word_app ( ) : if not has_word ( ) : return None pythoncom . CoInitialize ( ) import win32com . client app = win32com . client . gencache . EnsureDispatch ( "Word.Application" ) app . Visible = False return app
Return open Word . Application handle or None if Word is not available on this system .
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def open_wordfile ( app , filename ) : return app . Documents . Open ( filename , ReadOnly = True , AddToRecentFiles = False , Visible = False , NoEncodingDialog = True )
Open given Word file with application object .
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def get_line_number ( doc , wrange ) : lineno = 1 wrange . Select ( ) wdFirstCharacterLineNumber = constants ( "wdFirstCharacterLineNumber" ) wdGoToLine = constants ( "wdGoToLine" ) wdGoToPrevious = constants ( "wdGoToPrevious" ) while True : curline = doc . Selection . Information ( wdFirstCharacterLineNumber ) doc . ...
Get line number for given range object .
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def get_temp_filename ( content ) : fd , filename = fileutil . get_temp_file ( mode = 'wb' , suffix = '.doc' , prefix = 'lc_' ) try : fd . write ( content ) finally : fd . close ( ) return filename
Get temporary filename for content to parse .
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def check ( self , url_data ) : content = url_data . get_content ( ) filename = get_temp_filename ( content ) try : app = get_word_app ( ) try : doc = open_wordfile ( app , filename ) if doc is None : raise Error ( "could not open word file %r" % filename ) try : for link in doc . Hyperlinks : line = get_line_number ( ...
Parse Word data .
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def strip_caret_codes ( text ) : text = text . replace ( '^^' , '\x00' ) for token , foo in _ANSI_CODES : text = text . replace ( token , '' ) return text . replace ( '\x00' , '^' )
Strip out any caret codes from a string .
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def word_wrap ( text , columns = 80 , indent = 4 , padding = 2 ) : paragraphs = _PARA_BREAK . split ( text ) lines = [ ] columns -= padding for para in paragraphs : if para . isspace ( ) : continue line = ' ' * indent for word in para . split ( ) : if ( len ( line ) + 1 + len ( word ) ) > columns : lines . append ( lin...
Given a block of text breaks into a list of lines wrapped to length .
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def _get_char ( self ) : if self . ungotten_char is None : if self . eof : c = '' else : c = self . file . read ( 1 ) if c == '' : self . eof = True elif c == '\n' : self . line_number += 1 else : c = self . ungotten_char self . ungotten_char = None return c
Read a character from input .
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def skip_whitespace ( self ) : skipped = 0 while True : c = self . _get_char ( ) if c != ' ' and c != '\t' : if ( c != '\n' ) or not self . multiline : self . _unget_char ( c ) return skipped skipped += 1
Consume input until a non - whitespace character is encountered .
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def get_int ( self ) : token = self . get ( ) . unescape ( ) if not token . is_identifier ( ) : raise dns . exception . SyntaxError ( 'expecting an identifier' ) if not token . value . isdigit ( ) : raise dns . exception . SyntaxError ( 'expecting an integer' ) return int ( token . value )
Read the next token and interpret it as an integer .
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def get_uint8 ( self ) : value = self . get_int ( ) if value < 0 or value > 255 : raise dns . exception . SyntaxError ( '%d is not an unsigned 8-bit integer' % value ) return value
Read the next token and interpret it as an 8 - bit unsigned integer .
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def get_uint16 ( self ) : value = self . get_int ( ) if value < 0 or value > 65535 : raise dns . exception . SyntaxError ( '%d is not an unsigned 16-bit integer' % value ) return value
Read the next token and interpret it as a 16 - bit unsigned integer .
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def get_uint32 ( self ) : token = self . get ( ) . unescape ( ) if not token . is_identifier ( ) : raise dns . exception . SyntaxError ( 'expecting an identifier' ) if not token . value . isdigit ( ) : raise dns . exception . SyntaxError ( 'expecting an integer' ) value = long ( token . value ) if value < 0 or value > ...
Read the next token and interpret it as a 32 - bit unsigned integer .
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def get_string ( self , origin = None ) : token = self . get ( ) . unescape ( ) if not ( token . is_identifier ( ) or token . is_quoted_string ( ) ) : raise dns . exception . SyntaxError ( 'expecting a string' ) return token . value
Read the next token and interpret it as a string .
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def get_identifier ( self , origin = None ) : token = self . get ( ) . unescape ( ) if not token . is_identifier ( ) : raise dns . exception . SyntaxError ( 'expecting an identifier' ) return token . value
Read the next token and raise an exception if it is not an identifier .
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def get_name ( self , origin = None ) : token = self . get ( ) if not token . is_identifier ( ) : raise dns . exception . SyntaxError ( 'expecting an identifier' ) return dns . name . from_text ( token . value , origin )
Read the next token and interpret it as a DNS name .
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def get_eol ( self ) : token = self . get ( ) if not token . is_eol_or_eof ( ) : raise dns . exception . SyntaxError ( 'expected EOL or EOF, got %d "%s"' % ( token . ttype , token . value ) ) return token . value
Read the next token and raise an exception if it isn t EOL or EOF .
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def from_rdata_list ( ttl , rdatas ) : if len ( rdatas ) == 0 : raise ValueError ( "rdata list must not be empty" ) r = None for rd in rdatas : if r is None : r = Rdataset ( rd . rdclass , rd . rdtype ) r . update_ttl ( ttl ) first_time = False r . add ( rd ) return r
Create an rdataset with the specified TTL and with the specified list of rdata objects .
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def update_ttl ( self , ttl ) : if len ( self ) == 0 : self . ttl = ttl elif ttl < self . ttl : self . ttl = ttl
Set the TTL of the rdataset to be the lesser of the set s current TTL or the specified TTL . If the set contains no rdatas set the TTL to the specified TTL .
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def add ( self , rd , ttl = None ) : if self . rdclass != rd . rdclass or self . rdtype != rd . rdtype : raise IncompatibleTypes if not ttl is None : self . update_ttl ( ttl ) if self . rdtype == dns . rdatatype . RRSIG or self . rdtype == dns . rdatatype . SIG : covers = rd . covers ( ) if len ( self ) == 0 and self ....
Add the specified rdata to the rdataset .
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def update ( self , other ) : self . update_ttl ( other . ttl ) super ( Rdataset , self ) . update ( other )
Add all rdatas in other to self .
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def to_text ( self , name = None , origin = None , relativize = True , override_rdclass = None , ** kw ) : if not name is None : name = name . choose_relativity ( origin , relativize ) ntext = str ( name ) pad = ' ' else : ntext = '' pad = '' s = StringIO . StringIO ( ) if not override_rdclass is None : rdclass = overr...
Convert the rdataset into DNS master file format .
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def to_wire ( self , name , file , compress = None , origin = None , override_rdclass = None , want_shuffle = True ) : if not override_rdclass is None : rdclass = override_rdclass want_shuffle = False else : rdclass = self . rdclass file . seek ( 0 , 2 ) if len ( self ) == 0 : name . to_wire ( file , compress , origin ...
Convert the rdataset to wire format .
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def match ( self , rdclass , rdtype , covers ) : if self . rdclass == rdclass and self . rdtype == rdtype and self . covers == covers : return True return False
Returns True if this rdataset matches the specified class type and covers
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def get_plugin_modules ( folders , package = 'plugins' , parentpackage = 'linkcheck.dummy' ) : for folder in folders : for module in loader . get_folder_modules ( folder , parentpackage ) : yield module for module in loader . get_package_modules ( package ) : yield module
Get plugin modules for given folders .
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def get_plugin_classes ( modules ) : classes = ( _ConnectionPlugin , _ContentPlugin , _ParserPlugin ) return loader . get_plugins ( modules , classes )
Get plugin classes for given modules .
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def load_modules ( self , modules , config ) : for pluginclass in get_plugin_classes ( modules ) : name = pluginclass . __name__ if name in config [ "enabledplugins" ] : if issubclass ( pluginclass , _ConnectionPlugin ) : log . debug ( LOG_PLUGIN , "Enable connection plugin %s" , name ) self . connection_plugins . appe...
Load plugin modules .
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def run_parser_plugins ( self , url_data , pagetype ) : run_plugins ( self . parser_plugins , url_data , stop_after_match = True , pagetype = pagetype )
Run parser plugins for given pagetype .
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def check_urls ( aggregate ) : try : aggregate . visit_loginurl ( ) except Exception as msg : log . warn ( LOG_CHECK , _ ( "Error using login URL: %(msg)s." ) % dict ( msg = msg ) ) raise try : aggregate . logger . start_log_output ( ) except Exception as msg : log . error ( LOG_CHECK , _ ( "Error starting log output: ...
Main check function ; checks all configured URLs until interrupted with Ctrl - C .
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def check_url ( aggregate ) : while True : try : aggregate . urlqueue . join ( timeout = 30 ) break except urlqueue . Timeout : aggregate . remove_stopped_threads ( ) if not any ( aggregate . get_check_threads ( ) ) : break
Helper function waiting for URL queue .
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def interrupt ( aggregate ) : while True : try : log . warn ( LOG_CHECK , _ ( "interrupt; waiting for active threads to finish" ) ) log . warn ( LOG_CHECK , _ ( "another interrupt will exit immediately" ) ) abort ( aggregate ) break except KeyboardInterrupt : pass
Interrupt execution and shutdown ignoring any subsequent interrupts .
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def abort ( aggregate ) : while True : try : aggregate . abort ( ) aggregate . finish ( ) aggregate . end_log_output ( interrupt = True ) break except KeyboardInterrupt : log . warn ( LOG_CHECK , _ ( "user abort; force shutdown" ) ) aggregate . end_log_output ( interrupt = True ) abort_now ( )
Helper function to ensure a clean shutdown .
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def abort_now ( ) : if os . name == 'posix' : import signal os . kill ( os . getpid ( ) , signal . SIGTERM ) time . sleep ( 1 ) os . kill ( os . getpid ( ) , signal . SIGKILL ) elif os . name == 'nt' : os . abort ( ) else : os . _exit ( 3 )
Force exit of current process without cleanup .
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def get_aggregate ( config ) : _urlqueue = urlqueue . UrlQueue ( max_allowed_urls = config [ "maxnumurls" ] ) _robots_txt = robots_txt . RobotsTxt ( config [ "useragent" ] ) plugin_manager = plugins . PluginManager ( config ) result_cache = results . ResultCache ( ) return aggregator . Aggregate ( config , _urlqueue , ...
Get an aggregator instance with given configuration .
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def inet_ntoa ( address ) : if len ( address ) != 16 : raise ValueError ( "IPv6 addresses are 16 bytes long" ) hex = address . encode ( 'hex_codec' ) chunks = [ ] i = 0 l = len ( hex ) while i < l : chunk = hex [ i : i + 4 ] m = _leading_zero . match ( chunk ) if not m is None : chunk = m . group ( 1 ) chunks . append ...
Convert a network format IPv6 address into text .
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def inet_aton ( text ) : if text == '::' : text = '0::' m = _v4_ending . match ( text ) if not m is None : text = "%s:%04x:%04x" % ( m . group ( 1 ) , int ( m . group ( 2 ) ) * 256 + int ( m . group ( 3 ) ) , int ( m . group ( 4 ) ) * 256 + int ( m . group ( 5 ) ) ) m = _colon_colon_start . match ( text ) if not m is N...
Convert a text format IPv6 address into network format .
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def encode ( text ) : if isinstance ( text , unicode ) : return text . encode ( i18n . default_encoding , 'ignore' ) return text
Encode text with default encoding if its Unicode .
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def print_locale_info ( out = stderr ) : for key in ( "LANGUAGE" , "LC_ALL" , "LC_CTYPE" , "LANG" ) : print_env_info ( key , out = out ) print ( _ ( "Default locale:" ) , i18n . get_locale ( ) , file = out )
Print locale info .
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def log_status ( self , checked , in_progress , queue , duration , num_urls ) : msg = _n ( "%2d thread active" , "%2d threads active" , in_progress ) % in_progress self . write ( u"%s, " % msg ) msg = _n ( "%5d link queued" , "%5d links queued" , queue ) % queue self . write ( u"%s, " % msg ) msg = _n ( "%4d link" , "%...
Write status message to file descriptor .
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def writeln ( self , msg ) : self . fd . write ( u"%s%s" % ( msg , unicode ( os . linesep ) ) )
Write status message and line break to file descriptor .
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def deprecated ( func ) : def newfunc ( * args , ** kwargs ) : warnings . warn ( "Call to deprecated function %s." % func . __name__ , category = DeprecationWarning ) return func ( * args , ** kwargs ) return update_func_meta ( newfunc , func )
A decorator which can be used to mark functions as deprecated . It emits a warning when the function is called .
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def synchronize ( lock , func , log_duration_secs = 0 ) : def newfunc ( * args , ** kwargs ) : t = time . time ( ) with lock : duration = time . time ( ) - t if duration > log_duration_secs > 0 : print ( "WARN:" , func . __name__ , "locking took %0.2f seconds" % duration , file = sys . stderr ) return func ( * args , *...
Return synchronized function acquiring the given lock .
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def notimplemented ( func ) : def newfunc ( * args , ** kwargs ) : co = func . func_code attrs = ( co . co_name , co . co_filename , co . co_firstlineno ) raise NotImplementedError ( "function %s at %s:%d is not implemented" % attrs ) return update_func_meta ( newfunc , func )
Raises a NotImplementedError if the function is called .
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def timeit ( func , log , limit ) : def newfunc ( * args , ** kwargs ) : t = time . time ( ) res = func ( * args , ** kwargs ) duration = time . time ( ) - t if duration > limit : print ( func . __name__ , "took %0.2f seconds" % duration , file = log ) print ( args , file = log ) print ( kwargs , file = log ) return re...
Print execution time of the function . For quick n dirty profiling .
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def timed ( log = sys . stderr , limit = 2.0 ) : return lambda func : timeit ( func , log , limit )
Decorator to run a function with timing info .
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def from_text ( text ) : if text . isdigit ( ) : total = long ( text ) else : if not text [ 0 ] . isdigit ( ) : raise BadTTL total = 0L current = 0L for c in text : if c . isdigit ( ) : current *= 10 current += long ( c ) else : c = c . lower ( ) if c == 'w' : total += current * 604800L elif c == 'd' : total += current...
Convert the text form of a TTL to an integer .
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def run ( self ) : try : self . run_checked ( ) except KeyboardInterrupt : thread . interrupt_main ( ) except Exception : self . internal_error ( )
Handle keyboard interrupt and other errors .
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def parse ( self , url_data ) : self . url_data = url_data self . loc = False self . url = u"" data = url_data . get_content ( ) isfinal = True try : self . parser . Parse ( data , isfinal ) except ExpatError as expaterr : self . url_data . add_warning ( expaterr . message , tag = WARN_XML_PARSE_ERROR )
Parse XML URL data .
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def start_element ( self , name , attrs ) : self . in_tag = ( name == self . tag ) self . url = u""
Set tag status for start element .
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def add_url ( self ) : if self . url : self . url_data . add_url ( self . url , line = self . parser . CurrentLineNumber , column = self . parser . CurrentColumnNumber ) self . url = u""
Add non - empty URLs to the queue .
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def get_shell_folder ( name ) : try : import _winreg as winreg except ImportError : import winreg lm = winreg . ConnectRegistry ( None , winreg . HKEY_CURRENT_USER ) try : key = winreg . OpenKey ( lm , r"Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders" ) try : return winreg . QueryValueEx ( key , name ...
Get Windows Shell Folder locations from the registry .
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def on_connect ( client ) : print "++ Opened connection to %s" % client . addrport ( ) broadcast ( '%s joins the conversation.\n' % client . addrport ( ) ) CLIENT_LIST . append ( client ) client . send ( "Welcome to the Chat Server, %s.\n" % client . addrport ( ) )
Sample on_connect function . Handles new connections .
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def on_disconnect ( client ) : print "-- Lost connection to %s" % client . addrport ( ) CLIENT_LIST . remove ( client ) broadcast ( '%s leaves the conversation.\n' % client . addrport ( ) )
Sample on_disconnect function . Handles lost connections .
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def kick_idle ( ) : for client in CLIENT_LIST : if client . idle ( ) > IDLE_TIMEOUT : print ( '-- Kicking idle lobby client from %s' % client . addrport ( ) ) client . active = False
Looks for idle clients and disconnects them by setting active to False .
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def chat ( client ) : global SERVER_RUN msg = client . get_command ( ) print '%s says, "%s"' % ( client . addrport ( ) , msg ) for guest in CLIENT_LIST : if guest != client : guest . send ( '%s says, %s\n' % ( client . addrport ( ) , msg ) ) else : guest . send ( 'You say, %s\n' % msg ) cmd = msg . lower ( ) if cmd == ...
Echo whatever client types to everyone .
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def get_netloc ( self ) : if self . proxy : scheme = self . proxytype host = self . proxyhost port = self . proxyport else : scheme = self . scheme host = self . host port = self . port return ( scheme , host , port )
Determine scheme host and port for this connection taking proxy data into account .
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def validate ( wire , keyname , secret , now , request_mac , tsig_start , tsig_rdata , tsig_rdlen , ctx = None , multi = False , first = True ) : ( adcount , ) = struct . unpack ( "!H" , wire [ 10 : 12 ] ) if adcount == 0 : raise dns . exception . FormError adcount -= 1 new_wire = wire [ 0 : 10 ] + struct . pack ( "!H"...
Validate the specified TSIG rdata against the other input parameters .
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def get_algorithm ( algorithm ) : global _hashes if _hashes is None : _setup_hashes ( ) if isinstance ( algorithm , ( str , unicode ) ) : algorithm = dns . name . from_text ( algorithm ) if sys . hexversion < 0x02050200 and ( algorithm == HMAC_SHA384 or algorithm == HMAC_SHA512 ) : raise NotImplementedError ( "TSIG alg...
Returns the wire format string and the hash module to use for the specified TSIG algorithm
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def inet_pton ( family , text ) : if family == AF_INET : return dns . ipv4 . inet_aton ( text ) elif family == AF_INET6 : return dns . ipv6 . inet_aton ( text ) else : raise NotImplementedError
Convert the textual form of a network address into its binary form .
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def inet_ntop ( family , address ) : if family == AF_INET : return dns . ipv4 . inet_ntoa ( address ) elif family == AF_INET6 : return dns . ipv6 . inet_ntoa ( address ) else : raise NotImplementedError
Convert the binary form of a network address into its textual form .