class_docstr: Add a flag on each function that updates a global variable.
class_docstr_tok: ["Add","a","flag","on","each","function","that","updates","a","global","variable","."]
code: def __init__(self):
      self.result = DiGraph()
      self.node_to_functioneffect = dict()
      super(GlobalEffects, self).__init__(
          Aliases, GlobalDeclarations, Intrinsics
      )
  
imports: from pythran.analyses.aliases import Aliases
  from pythran.analyses.intrinsics import Intrinsics
  from pythran.analyses.global_declarations import GlobalDeclarations
  from pythran.passmanager import ModuleAnalysis
  from pythran.tables import MODULES
  from pythran.graph import DiGraph
  import pythran.intrinsic
  import gast
  from functools import reduce
label_desc: Use image node_id 1 to create a new GlobalEffects object from inherited base classes: ModuleAnalysis with example: obj = GlobalEffects()