pytester.py 文件源码

def getmodulecol(self,  source, configargs=(), withinit=False):
        """Return the module collection node for ``source``.

        This writes ``source`` to a file using :py:meth:`makepyfile`
        and then runs the pytest collection on it, returning the
        collection node for the test module.

        :param source: The source code of the module to collect.

        :param configargs: Any extra arguments to pass to
           :py:meth:`parseconfigure`.

        :param withinit: Whether to also write a ``__init__.py`` file
           to the temporarly directory to ensure it is a package.

        """
        kw = {self.request.function.__name__: Source(source).strip()}
        path = self.makepyfile(**kw)
        if withinit:
            self.makepyfile(__init__ = "#")
        self.config = config = self.parseconfigure(path, *configargs)
        node = self.getnode(config, path)
        return node