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Refactoring attribute policies - step 2

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This commit is contained in:
Vincent Jacques
2012-02-16 08:07:08 +01:00
parent f476ebd7e2
commit 7cab276aa8
1 changed files with 13 additions and 19 deletions
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github/GithubObject.py
+13 -19
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@@ -170,12 +170,11 @@ class ExtendedScalarAttribute:
class Editable:
class Editor:
def __init__( self, obj, mandatoryParameters, optionalParameters ):
self.__obj = obj
def __init__( self, mandatoryParameters, optionalParameters ):
self.__mandatoryParameters = mandatoryParameters
self.__optionalParameters = optionalParameters
def __call__( self, *args, **kwds ):
def __call__( self, obj, *args, **kwds ):
if len( args ) + len( kwds ) == 0:
raise TypeError()
for arg, argumentName in itertools.izip( args, itertools.chain( self.__mandatoryParameters, self.__optionalParameters ) ):
@@ -183,26 +182,15 @@ class Editable:
for argumentName in kwds:
if argumentName not in itertools.chain( self.__mandatoryParameters, self.__optionalParameters ):
raise TypeError()
attributes = self.__obj._github._dataRequest( "PATCH", self.__obj._baseUrl, kwds )
self.__obj._updateAttributes( attributes )
class AttributeDefinition:
def __init__( self, mandatoryParameters, optionalParameters ):
self.__mandatoryParameters = mandatoryParameters
self.__optionalParameters = optionalParameters
def getValueFromRawValue( self, obj, rawValue ):
return rawValue
def updateAttributes( self, obj ):
obj._updateAttributes( { "edit": Editable.Editor( obj, self.__mandatoryParameters, self.__optionalParameters ) } )
attributes = obj._github._dataRequest( "PATCH", obj._baseUrl, kwds )
obj._updateAttributes( attributes )
def __init__( self, mandatoryParameters, optionalParameters ):
self.__mandatoryParameters = mandatoryParameters
self.__optionalParameters = optionalParameters
def apply( self, cls ):
cls._addAttribute( "edit", Editable.AttributeDefinition( self.__mandatoryParameters, self.__optionalParameters ) )
cls._addMethod( "edit", Editable.Editor( self.__mandatoryParameters, self.__optionalParameters ) )
class Deletable:
class Deleter:
@@ -259,6 +247,7 @@ class Identity:
def GithubObject( className, *attributePolicies ):
class GithubObject:
__attributeDefinitions = dict()
__methodDefinitions = dict()
@staticmethod
def _addAttributePolicies( attributePolicies ):
@@ -278,7 +267,10 @@ def GithubObject( className, *attributePolicies ):
@staticmethod
def _addMethod( methodName, methodDefinition ):
setattr( methodName, methodDefinition )
if methodName in GithubObject.__methodDefinitions:
raise BadGithubObjectException( "Same method defined by two policies" )
else:
GithubObject.__methodDefinitions[ methodName ] = methodDefinition
def __init__( self, github, attributes, lazy ):
self._github = github
@@ -290,7 +282,9 @@ def GithubObject( className, *attributePolicies ):
self.__fetchAttribute( attributeName )
def __getattr__( self, attributeName ):
if attributeName in GithubObject.__attributeDefinitions:
if attributeName in GithubObject.__methodDefinitions:
return lambda *args, **kwds: GithubObject.__methodDefinitions[ attributeName ]( self, *args, **kwds )
elif attributeName in GithubObject.__attributeDefinitions:
if attributeName not in self.__attributes:
self.__fetchAttribute( attributeName )
return self.__attributes[ attributeName ]