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437 lines
12 KiB
437 lines
12 KiB
# basic module browser.
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# usage:
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# >>> import browser
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# >>> browser.Browse()
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# or
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# >>> browser.Browse(your_module)
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import sys
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import types
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import __main__
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import win32ui
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from pywin.mfc import dialog
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from . import hierlist
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special_names = [ '__doc__', '__name__', '__self__' ]
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#
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# HierList items
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class HLIPythonObject(hierlist.HierListItem):
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def __init__(self, myobject=None, name=None ):
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hierlist.HierListItem.__init__(self)
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self.myobject = myobject
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self.knownExpandable = None
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if name:
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self.name=name
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else:
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try:
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self.name=myobject.__name__
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except (AttributeError, TypeError):
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try:
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r = repr(myobject)
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if len(r)>20:
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r = r[:20] + "..."
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self.name=r
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except (AttributeError, TypeError):
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self.name="???"
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def __lt__(self, other):
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return self.name < other.name
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def __eq__(self, other):
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return self.name == other.name
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def __repr__(self):
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try:
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type = self.GetHLIType()
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except:
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type = "Generic"
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return "HLIPythonObject("+type+") - name: "+ self.name + " object: " + repr(self.myobject)
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def GetText(self):
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try:
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return str(self.name) + ' (' + self.GetHLIType() + ')'
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except AttributeError:
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return str(self.name) + ' = ' + repr(self.myobject)
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def InsertDocString(self, lst):
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ob = None
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try:
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ob = self.myobject.__doc__
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except (AttributeError, TypeError):
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pass
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# I don't quite grok descriptors enough to know how to
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# best hook them up. Eg:
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# >>> object.__getattribute__.__class__.__doc__
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# <attribute '__doc__' of 'wrapper_descriptor' objects>
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if ob and isinstance(ob, str):
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lst.insert(0, HLIDocString( ob, "Doc" ))
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def GetSubList(self):
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ret = []
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try:
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for (key, ob) in self.myobject.__dict__.items():
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if key not in special_names:
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ret.append(MakeHLI( ob, key ) )
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except (AttributeError, TypeError):
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pass
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try:
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for name in self.myobject.__methods__:
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ret.append(HLIMethod( name )) # no MakeHLI, as cant auto detect
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except (AttributeError, TypeError):
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pass
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try:
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for member in self.myobject.__members__:
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if not member in special_names:
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ret.append(MakeHLI(getattr(self.myobject, member), member))
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except (AttributeError, TypeError):
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pass
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ret.sort()
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self.InsertDocString(ret)
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return ret
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# if the has a dict, it is expandable.
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def IsExpandable(self):
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if self.knownExpandable is None:
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self.knownExpandable = self.CalculateIsExpandable()
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return self.knownExpandable
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def CalculateIsExpandable(self):
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if hasattr(self.myobject, '__doc__'):
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return 1
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try:
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for key in self.myobject.__dict__.keys():
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if key not in special_names:
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return 1
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except (AttributeError, TypeError):
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pass
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try:
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self.myobject.__methods__
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return 1
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except (AttributeError, TypeError):
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pass
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try:
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for item in self.myobject.__members__:
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if item not in special_names:
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return 1
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except (AttributeError, TypeError):
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pass
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return 0
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def GetBitmapColumn(self):
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if self.IsExpandable():
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return 0
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else:
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return 4
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def TakeDefaultAction(self):
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ShowObject(self.myobject, self.name)
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class HLIDocString(HLIPythonObject):
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def GetHLIType(self):
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return "DocString"
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def GetText(self):
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return self.myobject.strip()
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def IsExpandable(self):
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return 0
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def GetBitmapColumn(self):
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return 6
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class HLIModule(HLIPythonObject):
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def GetHLIType(self):
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return "Module"
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class HLIFrame(HLIPythonObject):
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def GetHLIType(self):
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return "Stack Frame"
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class HLITraceback(HLIPythonObject):
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def GetHLIType(self):
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return "Traceback"
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class HLIClass(HLIPythonObject):
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def GetHLIType(self):
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return "Class"
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def GetSubList(self):
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ret = []
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for base in self.myobject.__bases__:
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ret.append( MakeHLI(base, 'Base class: ' + base.__name__ ) )
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ret = ret + HLIPythonObject.GetSubList(self)
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return ret
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class HLIMethod(HLIPythonObject):
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# myobject is just a string for methods.
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def GetHLIType(self):
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return "Method"
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def GetText(self):
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return "Method: " + self.myobject + '()'
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class HLICode(HLIPythonObject):
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def GetHLIType(self):
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return "Code"
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def IsExpandable(self):
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return self.myobject
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def GetSubList(self):
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ret = []
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ret.append( MakeHLI( self.myobject.co_consts, "Constants (co_consts)" ))
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ret.append( MakeHLI( self.myobject.co_names, "Names (co_names)" ))
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ret.append( MakeHLI( self.myobject.co_filename, "Filename (co_filename)" ))
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ret.append( MakeHLI( self.myobject.co_argcount, "Number of args (co_argcount)"))
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ret.append( MakeHLI( self.myobject.co_varnames, "Param names (co_varnames)"))
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return ret
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class HLIInstance(HLIPythonObject):
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def GetHLIType(self):
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return "Instance"
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def GetText(self):
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return str(self.name) + ' (Instance of class ' + str(self.myobject.__class__.__name__) + ')'
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def IsExpandable(self):
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return 1
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def GetSubList(self):
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ret = []
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ret.append( MakeHLI( self.myobject.__class__) )
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ret = ret + HLIPythonObject.GetSubList(self)
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return ret
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class HLIBuiltinFunction(HLIPythonObject):
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def GetHLIType(self):
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return "Builtin Function"
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class HLIFunction(HLIPythonObject):
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def GetHLIType(self):
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return "Function"
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def IsExpandable(self):
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return 1
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def GetSubList(self):
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ret = []
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# ret.append( MakeHLI( self.myobject.func_argcount, "Arg Count" ))
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try:
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ret.append( MakeHLI( self.myobject.func_argdefs, "Arg Defs" ))
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except AttributeError:
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pass
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try:
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code = self.myobject.__code__
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globs = self.myobject.__globals__
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except AttributeError:
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# must be py2.5 or earlier...
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code = self.myobject.func_code
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globs = self.myobject.func_globals
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ret.append(MakeHLI(code, "Code" ))
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ret.append(MakeHLI(globs, "Globals" ))
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self.InsertDocString(ret)
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return ret
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class HLISeq(HLIPythonObject):
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def GetHLIType(self):
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return "Sequence (abstract!)"
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def IsExpandable(self):
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return len(self.myobject)>0
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def GetSubList(self):
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ret = []
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pos=0
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for item in self.myobject:
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ret.append(MakeHLI( item, '['+str(pos)+']' ) )
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pos=pos+1
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self.InsertDocString(ret)
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return ret
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class HLIList(HLISeq):
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def GetHLIType(self):
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return "List"
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class HLITuple(HLISeq):
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def GetHLIType(self):
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return "Tuple"
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class HLIDict(HLIPythonObject):
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def GetHLIType(self):
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return "Dict"
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def IsExpandable(self):
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try:
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self.myobject.__doc__
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return 1
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except (AttributeError, TypeError):
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return len(self.myobject) > 0
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def GetSubList(self):
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ret = []
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keys = list(self.myobject.keys())
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keys.sort()
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for key in keys:
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ob = self.myobject[key]
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ret.append(MakeHLI( ob, str(key) ) )
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self.InsertDocString(ret)
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return ret
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# In Python 1.6, strings and Unicode have builtin methods, but we dont really want to see these
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class HLIString(HLIPythonObject):
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def IsExpandable(self):
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return 0
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TypeMap = { type : HLIClass,
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types.FunctionType: HLIFunction,
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tuple: HLITuple,
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dict: HLIDict,
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list: HLIList,
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types.ModuleType: HLIModule,
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types.CodeType : HLICode,
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types.BuiltinFunctionType : HLIBuiltinFunction,
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types.FrameType : HLIFrame,
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types.TracebackType : HLITraceback,
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str : HLIString,
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str : HLIString,
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int: HLIPythonObject,
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int: HLIPythonObject,
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bool: HLIPythonObject,
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float: HLIPythonObject,
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}
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def MakeHLI( ob, name=None ):
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try:
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cls = TypeMap[type(ob)]
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except KeyError:
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# hrmph - this check gets more and more bogus as Python
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# improves. Its possible we should just *always* use
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# HLIInstance?
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if hasattr(ob, '__class__'): # 'new style' class
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cls = HLIInstance
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else:
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cls = HLIPythonObject
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return cls( ob, name )
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#########################################
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#
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# Dialog related.
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class DialogShowObject(dialog.Dialog):
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def __init__(self, object, title):
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self.object = object
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self.title = title
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dialog.Dialog.__init__(self, win32ui.IDD_LARGE_EDIT)
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def OnInitDialog(self):
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import re
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self.SetWindowText(self.title)
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self.edit = self.GetDlgItem(win32ui.IDC_EDIT1)
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try:
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strval = str(self.object)
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except:
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t, v, tb = sys.exc_info()
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strval = "Exception getting object value\n\n%s:%s" % (t, v)
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tb = None
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strval = re.sub('\n','\r\n', strval)
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self.edit.ReplaceSel(strval)
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def ShowObject(object, title):
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dlg = DialogShowObject(object, title)
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dlg.DoModal()
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# And some mods for a sizable dialog from Sam Rushing!
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import win32con
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import win32api
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import commctrl
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class dynamic_browser (dialog.Dialog):
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style = win32con.WS_OVERLAPPEDWINDOW | win32con.WS_VISIBLE
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cs = (
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win32con.WS_CHILD |
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win32con.WS_VISIBLE |
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commctrl.TVS_HASLINES |
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commctrl.TVS_LINESATROOT |
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commctrl.TVS_HASBUTTONS
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)
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dt = [
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["Python Object Browser", (0, 0, 200, 200), style, None, (8, "MS Sans Serif")],
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["SysTreeView32", None, win32ui.IDC_LIST1, (0, 0, 200, 200), cs]
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]
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def __init__ (self, hli_root):
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dialog.Dialog.__init__ (self, self.dt)
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self.hier_list = hierlist.HierListWithItems (
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hli_root,
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win32ui.IDB_BROWSER_HIER
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)
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self.HookMessage (self.on_size, win32con.WM_SIZE)
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def OnInitDialog (self):
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self.hier_list.HierInit (self)
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return dialog.Dialog.OnInitDialog (self)
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def OnOK(self):
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self.hier_list.HierTerm()
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self.hier_list = None
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return self._obj_.OnOK()
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def OnCancel(self):
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self.hier_list.HierTerm()
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self.hier_list = None
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return self._obj_.OnCancel()
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def on_size (self, params):
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lparam = params[3]
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w = win32api.LOWORD(lparam)
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h = win32api.HIWORD(lparam)
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self.GetDlgItem (win32ui.IDC_LIST1).MoveWindow((0,0,w,h))
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def Browse (ob=__main__):
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" Browse the argument, or the main dictionary "
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root = MakeHLI (ob, 'root')
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if not root.IsExpandable():
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raise TypeError("Browse() argument must have __dict__ attribute, or be a Browser supported type")
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dlg = dynamic_browser (root)
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dlg.CreateWindow()
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#
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#
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# Classes for using the browser in an MDI window, rather than a dialog
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#
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from pywin.mfc import docview
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class BrowserTemplate(docview.DocTemplate):
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def __init__(self):
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docview.DocTemplate.__init__(self, win32ui.IDR_PYTHONTYPE, BrowserDocument, None, BrowserView)
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def OpenObject(self, root): # Use this instead of OpenDocumentFile.
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# Look for existing open document
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for doc in self.GetDocumentList():
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if doc.root==root:
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doc.GetFirstView().ActivateFrame()
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return doc
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# not found - new one.
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doc = BrowserDocument(self, root)
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frame = self.CreateNewFrame(doc)
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doc.OnNewDocument()
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self.InitialUpdateFrame(frame, doc, 1)
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return doc
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class BrowserDocument (docview.Document):
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def __init__(self, template, root):
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docview.Document.__init__(self, template)
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self.root = root
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self.SetTitle("Browser: " + root.name)
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def OnOpenDocument (self, name):
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raise TypeError("This template can not open files")
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return 0
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class BrowserView(docview.TreeView):
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def OnInitialUpdate(self):
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import commctrl
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rc = self._obj_.OnInitialUpdate()
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list=hierlist.HierListWithItems( self.GetDocument().root, win32ui.IDB_BROWSER_HIER, win32ui.AFX_IDW_PANE_FIRST)
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list.HierInit(self.GetParent())
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list.SetStyle(commctrl.TVS_HASLINES | commctrl.TVS_LINESATROOT | commctrl.TVS_HASBUTTONS)
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return rc
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template = None
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def MakeTemplate():
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global template
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if template is None:
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template = BrowserTemplate() #win32ui.IDR_PYTHONTYPE, BrowserDocument, None, BrowserView)
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def BrowseMDI(ob=__main__):
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"""Browse an object using an MDI window.
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"""
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MakeTemplate()
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root = MakeHLI(ob, repr(ob))
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if not root.IsExpandable():
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raise TypeError("Browse() argument must have __dict__ attribute, or be a Browser supported type")
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template.OpenObject(root)
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