doctests.py 文件源码

def loadTestsFromModule(self, module):
        """Load doctests from the module.
        """
        log.debug("loading from %s", module)
        if not self.matches(module.__name__):
            log.debug("Doctest doesn't want module %s", module)
            return
        try:
            tests = self.finder.find(module)
        except AttributeError:
            log.exception("Attribute error loading from %s", module)
            # nose allows module.__test__ = False; doctest does not and throws
            # AttributeError
            return
        if not tests:
            log.debug("No tests found in %s", module)
            return
        tests.sort()
        module_file = src(module.__file__)
        # FIXME this breaks the id plugin somehow (tests probably don't
        # get wrapped in result proxy or something)
        cases = []
        for test in tests:
            if not test.examples:
                continue
            if not test.filename:
                test.filename = module_file
            cases.append(DocTestCase(test,
                                     optionflags=self.optionflags,
                                     result_var=self.doctest_result_var))
        if cases:
            yield self.suiteClass(cases, context=module, can_split=False)