Grabber

Doc


A Grabber


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

Code



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


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


A Grabber

"""

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

#<ImportSpecificModules>
import copy
import collections
from ShareYourSystem.Functers import Argumenter
from ShareYourSystem.Noders import Noder
#</ImportSpecificModules>

#<DefineLocals>
#</DefineLocals>

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

    #Definition
    RepresentingKeyStrsList=[
                                    'GrabbingNodeStr',
                                    'GrabbingPickVariablesList',
                                    'GrabbedVariablesOrderedDict'
                                ]

    def default_init(self,
                _GrabbingNodeStr=None,
                _GrabbingPickVariablesList=None,
                _GrabbedVariablesOrderedDict=None,
                **_KwargVariablesDict):

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

    #@Argumenter.ArgumenterClass()
    def do_grab(self):

        #Init
        if self.GrabbedVariablesOrderedDict==None:
            self.GrabbedVariablesOrderedDict=collections.OrderedDict()

        #debug
        '''
        self.debug(('self.',self,['GrabbingNodeStr','GrabbingPickVariablesList']))
        '''

        #Walk inside the Tree in order to parent
        self.walk(
                    {
                        'BeforeUpdateList':
                        [
                            ('route',{'LiargVariablesList':[
                                                                self.GrabbingPickVariablesList
                                                            ]
                                        })
                        ],
                        'GatherVariablesList':[
                        Noder.NodingPrefixGetStr+self.GrabbingNodeStr+Noder.NodingSuffixGetStr]
                    }
                )

        #Link
        self.GrabbedVariablesOrderedDict=self.RoutedVariablesOrderedDict


#</DefineClass>

View the Grabber sources on Github


In [2]:
#ImportModules
import ShareYourSystem as SYS

from ShareYourSystem.Walkers import Grabber

#Definition a Grabber instance that has Tree nodes
MyGrabber=Grabber.GrabberClass().update(
        [
            (
                '<Tree>FirstChildGrabber',
                Grabber.GrabberClass().update(
                    [
                        (
                            '<Tree>GrandChildGrabber',
                            Grabber.GrabberClass()
                        )
                    ]
                )
            ),
            (
                '<Tree>SecondChildGrabber',
                Grabber.GrabberClass()
            )
        ]
    )

#Grab
MyGrabber.grab("Tree",['NodedTreeInt','NodedTreeKeyStr'])

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

#Print



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

MyGrabber is < (GrabberClass), 4559654352>
   /{ 
   /  '<New><Instance>IdInt' : 4559654352
   /  '<New><Instance>NodeCollectionStr' : Globals
   /  '<New><Instance>NodeIndexInt' : -1
   /  '<New><Instance>NodeKeyStr' : TopGrabber
   /  '<New><Instance>NodePointDeriveNoder' : None
   /  '<New><Instance>NodePointOrderedDict' : None
   /  '<New><Instance>TreeCollectionOrderedDict' : 
   /   /{ 
   /   /  'FirstChildGrabber' : < (GrabberClass), 4559653264>
   /   /   /{ 
   /   /   /  '<New><Instance>IdInt' : 4559653264
   /   /   /  '<New><Instance>NodeCollectionStr' : Tree
   /   /   /  '<New><Instance>NodeIndexInt' : 0
   /   /   /  '<New><Instance>NodeKeyStr' : FirstChildGrabber
   /   /   /  '<New><Instance>NodePointDeriveNoder' : {...}< (GrabberClass), 4559654352>
   /   /   /  '<New><Instance>NodePointOrderedDict' : {...}< (OrderedDict), 4559710904>
   /   /   /  '<New><Instance>TreeCollectionOrderedDict' : 
   /   /   /   /{ 
   /   /   /   /  'GrandChildGrabber' : < (GrabberClass), 4559706256>
   /   /   /   /   /{ 
   /   /   /   /   /  '<New><Instance>IdInt' : 4559706256
   /   /   /   /   /  '<New><Instance>NodeCollectionStr' : Tree
   /   /   /   /   /  '<New><Instance>NodeIndexInt' : 0
   /   /   /   /   /  '<New><Instance>NodeKeyStr' : GrandChildGrabber
   /   /   /   /   /  '<New><Instance>NodePointDeriveNoder' : {...}< (GrabberClass), 4559653264>
   /   /   /   /   /  '<New><Instance>NodePointOrderedDict' : {...}< (OrderedDict), 4559710312>
   /   /   /   /   /  '<New><Instance>TreeCollectionOrderedDict' : 
   /   /   /   /   /   /{ 
   /   /   /   /   /   /}
   /   /   /   /   /  '<Spe><Class>GrabbedVariablesOrderedDict' : None
   /   /   /   /   /  '<Spe><Class>GrabbingNodeStr' : None
   /   /   /   /   /  '<Spe><Class>GrabbingPickVariablesList' : None
   /   /   /   /   /}
   /   /   /   /}
   /   /   /  '<Spe><Class>GrabbedVariablesOrderedDict' : None
   /   /   /  '<Spe><Class>GrabbingNodeStr' : None
   /   /   /  '<Spe><Class>GrabbingPickVariablesList' : None
   /   /   /}
   /   /  'SecondChildGrabber' : < (GrabberClass), 4559706576>
   /   /   /{ 
   /   /   /  '<New><Instance>IdInt' : 4559706576
   /   /   /  '<New><Instance>NodeCollectionStr' : Tree
   /   /   /  '<New><Instance>NodeIndexInt' : 1
   /   /   /  '<New><Instance>NodeKeyStr' : SecondChildGrabber
   /   /   /  '<New><Instance>NodePointDeriveNoder' : {...}< (GrabberClass), 4559654352>
   /   /   /  '<New><Instance>NodePointOrderedDict' : {...}< (OrderedDict), 4559710904>
   /   /   /  '<New><Instance>TreeCollectionOrderedDict' : 
   /   /   /   /{ 
   /   /   /   /}
   /   /   /  '<Spe><Class>GrabbedVariablesOrderedDict' : None
   /   /   /  '<Spe><Class>GrabbingNodeStr' : None
   /   /   /  '<Spe><Class>GrabbingPickVariablesList' : None
   /   /   /}
   /   /}
   /  '<Spe><Instance>GrabbedVariablesOrderedDict' : 
   /   /{ 
   /   /  'NodedTreeInt' : None
   /   /  'NodedTreeKeyStr' : None
   /   /  '0' : 
   /   /   /{ 
   /   /   /  'NodedTreeInt' : None
   /   /   /  'NodedTreeKeyStr' : None
   /   /   /  '1' : 
   /   /   /   /{ 
   /   /   /   /  'NodedTreeInt' : None
   /   /   /   /  'NodedTreeKeyStr' : None
   /   /   /   /}
   /   /   /}
   /   /  '2' : 
   /   /   /{ 
   /   /   /  'NodedTreeInt' : None
   /   /   /  'NodedTreeKeyStr' : None
   /   /   /}
   /   /}
   /  '<Spe><Instance>GrabbingNodeStr' : Tree
   /  '<Spe><Instance>GrabbingPickVariablesList' : ['NodedTreeInt', 'NodedTreeKeyStr']
   /}

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