ast_translator.py 文件源码

def _translate_zip(self, targets, sequences):
        sequence_nodes = []
        sketchup = {'type': '', 'iterators': {'type': 'for_iterator_zip', 'iterators': []}}
        env = {}
        for s, z in zip(sequences, targets):
            sequence_nodes.append(self._translate_node(s))
            self._confirm_iterable(sequence_nodes[-1]['pseudo_type'])
            if not isinstance(z, ast.Name):
                raise PseudoPythonTypeCheckError('index is not a name %s' % type(z).__name__)
            z_type = self._element_type(sequence_nodes[-1]['pseudo_type'])
            sketchup['iterators']['iterators'].append({
                'type': 'local',
                'pseudo_type': z_type,
                'name': z.id
            })
            env[z.id] = z_type

        sketchup['sequences'] = {'type': 'for_sequence_zip', 'sequences': sequence_nodes}
        return sketchup, env