Sharer

Doc


A Sharer can set attributes at the level of the class


View the Sharer notebook on [NbViewer](http://nbviewer.ipython.org/url/shareyoursystem.ouvaton.org/Sharer.ipynb)

Code



# -*- coding: utf-8 -*-
"""


<DefineSource>
@Date : Fri Nov 14 13:20:38 2014 \n
@Author : Erwan Ledoux \n\n
</DefineSource>


A Sharer can set attributes at the level of the class

"""

#<DefineAugmentation>
import ShareYourSystem as SYS
BaseModuleStr="ShareYourSystem.Itemizers.Grasper"
DecorationModuleStr="ShareYourSystem.Classors.Classer"
SYS.setSubModule(globals())
#</DefineAugmentation>

#<ImportSpecificModules>
from ShareYourSystem.Itemizers import Pather
#</ImportSpecificModules>

#<DefineLocals>
SharingStartStr="__class__."
#</DefineLocals>

#<DefineClass>
@DecorationClass()
class SharerClass(BaseClass):

    #Definition
    RepresentingKeyStrsList=[
                                    'SharingKeyStr',
                                    'SharingValueVariable',
                                    'SharedSetKeyStr',
                                    'SharedClassDict'
                                ]

    def default_init(self,
                _SharingKeyStr="",                  
                _SharingValueVariable=None,                 
                _SharedSetKeyStr="" ,
                _SharedClassDict=None,              
                **_KwargVariablesDict
                ):

        #Call the parent init method
        BaseClass.__init__(self,**_KwargVariablesDict)

    def do_share(self):

        #set
        self.SharedSetKeyStr=SharingStartStr.join(self.SharingKeyStr.split(SharingStartStr)[1:])

        #set at the level of the class
        setattr(self.__class__,self.SharedSetKeyStr,self.SharingValueVariable)

        #debug
        '''
        self.debug(
                    ('self.',self,[
                                    'SharedSetKeyStr',
                                ])
                )
        '''

    #<Hook>@Hooker.HookerClass(**{'HookingAfterVariablesList':[BaseClass.get]})
    #@Imitater.ImitaterClass()
    def mimic_get(self):

        #debug
        '''
        self.debug(('self.',self,['GettingKeyVariable']))
        '''

        #Deep get
        if self.GettingKeyVariable=='__class__':

            #set
            self.GettedValueVariable=self.__class__

            #Return
            return {'HookingIsBool':False}

        elif self.GettingKeyVariable.startswith(SharingStartStr):

            #Define
            SharedGetString=SharingStartStr.join(
                    self.GettingKeyVariable.split(SharingStartStr)[1:]
                )

            #debug
            '''
            self.debug('SharedGetString is '+SharedGetString)
            '''

            #Define
            self.SharedClassDict=dict(
                    map(
                        lambda __KeyString:
                        (
                            __KeyString,
                            getattr(
                                self.__class__,
                                __KeyString
                            )
                        ),
                        dir(self.__class__)
                    )+[('__mro__',self.__class__.__mro__)]
                )

            #debug
            '''
            self.debug(('self.',self,['SharedClassDict']))
            '''

            #get in the __class__
            self.GettedValueVariable=Pather.getVariableWithDictatedVariableAndKeyVariable(
                self.SharedClassDict,
                SharedGetString
            )

            #Return
            return {'HookingIsBool':False}


        else:

            #debug
            '''
            self.debug('BaseClass.get is '+str(BaseClass.get))
            '''

            #Get before with the parent method
            OutputDict=BaseClass.get(self)

            #Check that we have still to hook
            if OutputDict==None or OutputDict["HookingIsBool"]:

                #Check
                if self.GettingKeyVariable in self.__class__.__dict__:

                    #Get from the class
                    self.GettedValueVariable=self.__class__.__dict__[self.GettingKeyVariable]

                    #Return
                    return {'HookingIsBool':False}

            #Return
            return {'HookingIsBool':True}

    #<Hook>@Hooker.HookerClass(**{'HookingAfterVariablesList':[BaseClass.set]})
    #@Imitater.ImitaterClass()
    def mimic_set(self):
        """ """

        #debug
        '''
        self.debug(('self.',self,['SettingKeyVariable','SettingValueVariable']))
        '''

        #Definition
        OutputDict={'HookingIsBool':True}

        #Deep set
        if self.SettingKeyVariable.startswith(SharingStartStr):

            #debug
            '''
            self.debug('We are going to share')
            '''

            #Path
            self.share(self.SettingKeyVariable,self.SettingValueVariable)

            #debug
            '''
            self.debug(('self.',self,[
                                        "SharedKeyStr",
                                        "SharedChildKeyStr",
                                        "SharedValueVariable"
                                    ]
                                ))
            '''

            #Stop the setting
            OutputDict["HookingIsBool"]=False
            #<Hook>return OutputDict

        #Call the parent get method
        if OutputDict['HookingIsBool']:
            BaseClass.set(self)


#</DefineClass>

View the Sharer sources on Github

Example

Let's create an empty class, which will automatically receive special attributes from the decorating ClassorClass, specially the NameStr, that should be the ClassStr without the TypeStr in the end.


In [3]:
#ImportModules
import ShareYourSystem as SYS
from ShareYourSystem.Itemizers import Sharer

#Explicit expression
MySharer=Sharer.SharerClass().__setitem__(
    '__class__.MyStr',
    'I am setted at the level of the class'
)

#Return
SYS._attest(
    [

        'MySharer is '+SYS._str(
                MySharer,
                **{
                'RepresentingBaseKeyStrsListBool':False
                }
            ),
        'MySharer.__class__.MyStr is '+MySharer.__class__.MyStr,
        'MySharer["__class__.MyStr"] is '+MySharer['__class__.MyStr'],
    ]
)

#Print



*****Start of the Attest *****

MySharer is < (SharerClass), 4555208912>
   /{ 
   /  '<New><Class>MyStr' : I am setted at the level of the class
   /  '<New><Instance>IdInt' : 4555208912
   /  '<Spe><Instance>SharedClassDict' : 
   /   /{ 
   /   /}
   /  '<Spe><Instance>SharedSetKeyStr' : MyStr
   /  '<Spe><Instance>SharingKeyStr' : __class__.MyStr
   /  '<Spe><Instance>SharingValueVariable' : I am setted at the level of the class
   /}

------

MySharer.__class__.MyStr is I am setted at the level of the class

------

MySharer["__class__.MyStr"] is I am setted at the level of the class

*****End of the Attest *****