fypp.py 文件源码

def openscope(self, customlocals=None):
        '''Opens a new (embedded) scope.

        Args:
            customlocals (dict): By default, the locals of the embedding scope
                are visible in the new one. When this is not the desired
                behaviour a dictionary of customized locals can be passed,
                and those locals will become the only visible ones.
        '''
        self._locals_stack.append(self._locals)
        self._globalrefs_stack.append(self._globalrefs)
        if customlocals is not None:
            self._locals = customlocals.copy()
        elif self._locals is not None:
            self._locals = self._locals.copy()
        else:
            self._locals = {}
        self._globalrefs = set()
        self._scope = self._globals.copy()
        self._scope.update(self._locals)