Picker

Doc

A Picker maps a getitem

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

Code

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


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


A Picker maps a __getitem__

"""

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

#<ImportSpecificModules>
#</ImportSpecificModules>

#<DefineClass>
@DecorationClass(**{'DoingGetBool':True})
class PickerClass(BaseClass):

    def default_init(self,
                _PickingGetKeyVariablesList=None,
                _PickedGetValueVariablesList=None,
                **_KwargVariablesDict
                ):

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

    def do_pick(self):
        """Map the __getitem__ to the <_GettingVariablesList>"""

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

        #Apply __getitem__
        self.map('__getitem__',map(
                                    lambda __PickingKeyVariable:
                                    {'LiargVariablesList':[__PickingKeyVariable]},
                                    self.PickingGetKeyVariablesList
                                )
                    )

        #link with AppliedMappedVariablesList
        self.PickedGetValueVariablesList=self.MappedVariablesList

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

        #Return AppliedVariablesList
        return self.PickedGetValueVariablesList
#</DefineClass>

View the Picker 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.Applyiers import Picker

#Definition an Picker
MyPicker=Picker.PickerClass()

#set some items
map(
        lambda __ItemTuple:
        MyPicker.__setitem__(__ItemTuple[0],__ItemTuple[1]),
        [
            ('MyInt',0),
            ('MyPicker',Picker.PickerClass().__setitem__('MyStr',"hello")),
        ]
    )

#Map some gets
PickedVariablesList=MyPicker.pick(
    [
        #Get directly in the __dict__
        'MyInt',
        'MyPicker',
        #Get with a DeepShortStr
        '/MyPicker/MyStr'
    ]
)

#Definition the AttestedStr
SYS._attest(
    [
        'PickedVariablesList is '+SYS._str(
            PickedVariablesList
            ,**{
                'RepresentingBaseKeyStrsListBool':False,
                'RepresentingAlineaIsBool':False
            }
        )
    ]
) 

#Print









    




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

PickedVariablesList is 
   /[
   /  0 : 0
   /  1 : < (PickerClass), 4556355472>
   /   /{ 
   /   /  '<New><Instance>IdInt' : 4556355472
   /   /  '<New><Instance>MyStr' : hello
   /   /}
   /  2 : hello
   /]

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