mirror of
https://github.com/status-im/PyGithub.git
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94 lines
3.4 KiB
Python
94 lines
3.4 KiB
Python
# Copyright 2012 Vincent Jacques
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# vincent@vincent-jacques.net
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# This file is part of PyGithub. http://vincent-jacques.net/PyGithub
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# PyGithub is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License
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# as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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# PyGithub is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public License along with PyGithub. If not, see <http://www.gnu.org/licenses/>.
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import GithubObject
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class PaginatedList:
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def __init__( self, contentClass, requester, headers, data ):
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self.__requester = requester
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self.__contentClass = contentClass
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self.__elements = []
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self.__appendData( headers, data )
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def __iter__( self ):
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for element in self.__elements:
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yield element
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while self.__nextUrl is not None:
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newElements = self.__fetchNextPage()
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for element in newElements:
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yield element
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class __Slice:
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def __init__( self, theList, theSlice ):
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self.__list = theList
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self.__start = theSlice.start or 0
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self.__stop = theSlice.stop
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self.__step = theSlice.step or 1
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def __iter__( self ):
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index = self.__start
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while not self.__finished( index ) :
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if self.__list._isBiggerThan( index ):
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yield self.__list[ index ]
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index += self.__step
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else:
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return
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def __finished( self, index ):
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return self.__stop is not None and index >= self.__stop
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def __getitem__( self, index ):
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assert isinstance( index, ( int, slice ) )
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if isinstance( index, int ):
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self.__fetchToIndex( index )
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return self.__elements[ index ]
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else:
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return self.__Slice( self, index )
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def _isBiggerThan( self, index ):
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return len( self.__elements ) > index or self.__nextUrl is not None
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def __fetchToIndex( self, index ):
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while len( self.__elements ) <= index and self.__nextUrl is not None:
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self.__fetchNextPage()
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def __fetchNextPage( self ):
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headers, data = self.__requester.requestAndCheck( "GET", self.__nextUrl, None, None )
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return self.__appendData( headers, data )
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def __appendData( self, headers, data ):
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links = self.__parseLinkHeader( headers )
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if len( data ) > 0 and "next" in links:
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self.__nextUrl = links[ "next" ]
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else:
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self.__nextUrl = None
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newElements = [
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self.__contentClass( self.__requester, element, completed = False )
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for element in data
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]
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self.__elements += newElements
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return newElements
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def __parseLinkHeader( self, headers ):
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links = {}
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if "link" in headers:
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linkHeaders = headers[ "link" ].split( "," )
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for linkHeader in linkHeaders:
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( url, rel ) = linkHeader.split( "; " )
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url = url[ 1 : -1 ]
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rel = rel[ 5 : -1 ]
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links[ rel ] = url
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return links
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