发现python有个好用的检查模块-inspect, 查看源文件发现它提供了不少好用的方法：
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Here are some of the useful functions provided by this module:
ismodule(), isclass(), ismethod(), isfunction(), isgeneratorfunction(),
isgenerator(), istraceback(), isframe(), iscode(), isbuiltin(),isroutine() – check object types
getmembers() – get members of an object that satisfy a given condition
getfile(), getsourcefile(), getsource() – find an object’s source code
getdoc(), getcomments() – get documentation on an object
getmodule() – determine the module that an object came from
getclasstree() – arrange classes so as to represent their hierarchy
getargspec(), getargvalues() – get info about function arguments
formatargspec(), formatargvalues() – format an argument spec
getouterframes(), getinnerframes() – get info about frames
currentframe() – get the current stack frame
stack(), trace() – get info about frames on the stack or in a traceback
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举例:
import inspect
inspect.isbuiltin(abs)
True
import os
inspect.ismodule(os)
True
class C:pass
inspect.isclass(C)
True
class C(object):
def foo(self):
print 'here is foo'
def bez(self):
print 'here is bez'
inspect.getmembers(C, inspect.ismethod)
[('bez', "<"unbound method C.bez">"), ('foo', "<"unbound method C.foo">")]
上面要是不加inspect.ismethod的话，会将对象的所有默认属性都列出来
其他方法就一一列举