def formattree(self, tree, modname, parent=None, prefix=''):
"""Render in text a class tree as returned by inspect.getclasstree()."""
result = ''
for entry in tree:
if type(entry) is type(()):
c, bases = entry
result = result + prefix + classname(c, modname)
if bases and bases != (parent,):
parents = map(lambda c, m=modname: classname(c, m), bases)
result = result + '(%s)' % join(parents, ', ')
result = result + '\n'
elif type(entry) is type([]):
result = result + self.formattree(
entry, modname, c, prefix + ' ')
return result
python类getclasstree()的实例源码
def formattree(self, tree, modname, parent=None, prefix=''):
"""Render in text a class tree as returned by inspect.getclasstree()."""
result = ''
for entry in tree:
if type(entry) is type(()):
c, bases = entry
result = result + prefix + classname(c, modname)
if bases and bases != (parent,):
parents = map(lambda c, m=modname: classname(c, m), bases)
result = result + '(%s)' % join(parents, ', ')
result = result + '\n'
elif type(entry) is type([]):
result = result + self.formattree(
entry, modname, c, prefix + ' ')
return result
def _holder_frame(self):
# TODO: detect base class by scanning inheritance tree:
# inspect.getclasstree(inspect.getmro(type(self)))
frame = inspect.currentframe().f_back.f_back.f_back
while isinstance(frame.f_locals.get('self', ''), self.base_class):
frame = frame.f_back
return frame
def order_classes(classes):
classes = list(classes)
ordered = list(flatten(inspect.getclasstree(classes)))
ordered.reverse()
for cls in list(ordered):
if cls not in classes or ordered.count(cls) > 1:
ordered.remove(cls)
ordered.reverse()
return ordered
def test_getclasses(self):
classes = inspect.getmembers(mod, inspect.isclass)
self.assertEqual(classes,
[('FesteringGob', mod.FesteringGob),
('MalodorousPervert', mod.MalodorousPervert),
('ParrotDroppings', mod.ParrotDroppings),
('StupidGit', mod.StupidGit),
('Tit', mod.MalodorousPervert),
])
tree = inspect.getclasstree([cls[1] for cls in classes])
self.assertEqual(tree,
[(object, ()),
[(mod.ParrotDroppings, (object,)),
[(mod.FesteringGob, (mod.MalodorousPervert,
mod.ParrotDroppings))
],
(mod.StupidGit, (object,)),
[(mod.MalodorousPervert, (mod.StupidGit,)),
[(mod.FesteringGob, (mod.MalodorousPervert,
mod.ParrotDroppings))
]
]
]
])
tree = inspect.getclasstree([cls[1] for cls in classes], True)
self.assertEqual(tree,
[(object, ()),
[(mod.ParrotDroppings, (object,)),
(mod.StupidGit, (object,)),
[(mod.MalodorousPervert, (mod.StupidGit,)),
[(mod.FesteringGob, (mod.MalodorousPervert,
mod.ParrotDroppings))
]
]
]
])
def formattree(self, tree, modname, parent=None, prefix=''):
"""Render in text a class tree as returned by inspect.getclasstree()."""
result = ''
for entry in tree:
if type(entry) is type(()):
c, bases = entry
result = result + prefix + classname(c, modname)
if bases and bases != (parent,):
parents = (classname(c, modname) for c in bases)
result = result + '(%s)' % ', '.join(parents)
result = result + '\n'
elif type(entry) is type([]):
result = result + self.formattree(
entry, modname, c, prefix + ' ')
return result
def formattree(self, tree, modname, parent=None, prefix=''):
"""Render in text a class tree as returned by inspect.getclasstree()."""
result = ''
for entry in tree:
if type(entry) is type(()):
c, bases = entry
result = result + prefix + classname(c, modname)
if bases and bases != (parent,):
parents = map(lambda c, m=modname: classname(c, m), bases)
result = result + '(%s)' % join(parents, ', ')
result = result + '\n'
elif type(entry) is type([]):
result = result + self.formattree(
entry, modname, c, prefix + ' ')
return result
def _object_instance_content(obj):
"""
Returns consistant content for a action class or an instance thereof
:param obj: Should be either and action class or an instance thereof
:return: bytearray or bytes representing the obj suitable for generating
a signiture from.
"""
retval = bytearray()
if obj is None:
return b'N.'
if isinstance(obj, SCons.Util.BaseStringTypes):
return SCons.Util.to_bytes(obj)
inst_class = obj.__class__
inst_class_name = bytearray(obj.__class__.__name__,'utf-8')
inst_class_module = bytearray(obj.__class__.__module__,'utf-8')
inst_class_hierarchy = bytearray(repr(inspect.getclasstree([obj.__class__,])),'utf-8')
# print("ICH:%s : %s"%(inst_class_hierarchy, repr(obj)))
properties = [(p, getattr(obj, p, "None")) for p in dir(obj) if not (p[:2] == '__' or inspect.ismethod(getattr(obj, p)) or inspect.isbuiltin(getattr(obj,p))) ]
properties.sort()
properties_str = ','.join(["%s=%s"%(p[0],p[1]) for p in properties])
properties_bytes = bytearray(properties_str,'utf-8')
methods = [p for p in dir(obj) if inspect.ismethod(getattr(obj, p))]
methods.sort()
method_contents = []
for m in methods:
# print("Method:%s"%m)
v = _function_contents(getattr(obj, m))
# print("[%s->]V:%s [%s]"%(m,v,type(v)))
method_contents.append(v)
retval = bytearray(b'{')
retval.extend(inst_class_name)
retval.extend(b":")
retval.extend(inst_class_module)
retval.extend(b'}[[')
retval.extend(inst_class_hierarchy)
retval.extend(b']]{{')
retval.extend(bytearray(b",").join(method_contents))
retval.extend(b"}}{{{")
retval.extend(properties_bytes)
retval.extend(b'}}}')
return retval
# print("class :%s"%inst_class)
# print("class_name :%s"%inst_class_name)
# print("class_module :%s"%inst_class_module)
# print("Class hier :\n%s"%pp.pformat(inst_class_hierarchy))
# print("Inst Properties:\n%s"%pp.pformat(properties))
# print("Inst Methods :\n%s"%pp.pformat(methods))
