python中使用反射的方法的代码

本文主要是介绍python中使用反射的方法的代码，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

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import sys, types,new

def _get_mod(modulePath):
try:
aMod = sys.modules[modulePath]
if not isinstance(aMod, types.ModuleType):
raise KeyError
except KeyError:
# The last [''] is very important!
aMod = import(modulePath, globals(), locals(), [''])
sys.modules[modulePath] = aMod
return aMod

def _get_func(fullFuncName):
"""Retrieve a function object from a full dotted-package name."""

# Parse out the path, module, and function
lastDot = fullFuncName.rfind(u".")
funcName = fullFuncName[lastDot + 1:]
modPath = fullFuncName[:lastDot]

aMod = _get_mod(modPath)
aFunc = getattr(aMod, funcName)

assert callable(aFunc), u"%s is not callable." % fullFuncName

# Return a reference to the function itself,
# not the results of the function.
return aFunc

def _get_Class(fullClassName, parentClass=None):
"""Load a module and retrieve a class (NOT an instance).

If the parentClass is supplied, className must be of parentClass
or a subclass of parentClass (or None is returned).
"""
aClass = _get_func(fullClassName)

# Assert that the class is a subclass of parentClass.
if parentClass is not None:
    if not issubclass(aClass, parentClass):
        raise TypeError(u"%s is not a subclass of %s" %
                        (fullClassName, parentClass))

# Return a reference to the class itself, not an instantiated object.
return aClass

def applyFuc(obj,strFunc,arrArgs):
objFunc = getattr(obj, strFunc)
return apply(objFunc,arrArgs)

def getObject(fullClassName):
clazz = _get_Class(fullClassName)
return clazz()

if name=='main':
aa=getObject("inetservices.services.company.Company")
print bb

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