doctest.py 文件源码

def collect(self):
        import doctest
        if self.fspath.basename == "conftest.py":
            module = self.config.pluginmanager._importconftest(self.fspath)
        else:
            try:
                module = self.fspath.pyimport()
            except ImportError:
                if self.config.getvalue('doctest_ignore_import_errors'):
                    pytest.skip('unable to import module %r' % self.fspath)
                else:
                    raise
        # uses internal doctest module parsing mechanism
        finder = doctest.DocTestFinder()
        optionflags = get_optionflags(self)
        runner = doctest.DebugRunner(verbose=0, optionflags=optionflags,
                                     checker=_get_checker())
        for test in finder.find(module, module.__name__):
            if test.examples:  # skip empty doctests
                yield DoctestItem(test.name, self, runner, test)