modulegraph.py 文件源码

def _collect_import(self, name, fromlist, level):
        if sys.version_info[0] == 2:
            if name == '__future__' and 'absolute_import' in (fromlist or ()):
                self._level = 0

        have_star = False
        if fromlist is not None:
            fromlist = set(fromlist)
            if '*' in fromlist:
                fromlist.remove('*')
                have_star = True

        # Record this import as originating from this module for subsequent
        # handling by the _process_imports() method.
        self._module._deferred_imports.append(
            (have_star,
             (name, self._module, fromlist, level),
             {'edge_attr': DependencyInfo(
                 conditional=self.in_if,
                 tryexcept=self.in_tryexcept,
                 function=self.in_def,
                 fromlist=False)}))