| """ | |
| Fixer that changes zip(seq0, seq1, ...) into list(zip(seq0, seq1, ...) | |
| unless there exists a 'from future_builtins import zip' statement in the | |
| top-level namespace. | |
| We avoid the transformation if the zip() call is directly contained in | |
| iter(<>), list(<>), tuple(<>), sorted(<>), ...join(<>), or for V in <>:. | |
| """ | |
| # Local imports | |
| from .. import fixer_base | |
| from ..fixer_util import Name, Call, in_special_context | |
| class FixZip(fixer_base.ConditionalFix): | |
| BM_compatible = True | |
| PATTERN = """ | |
| power< 'zip' args=trailer< '(' [any] ')' > | |
| > | |
| """ | |
| skip_on = "future_builtins.zip" | |
| def transform(self, node, results): | |
| if self.should_skip(node): | |
| return | |
| if in_special_context(node): | |
| return None | |
| new = node.clone() | |
| new.prefix = u"" | |
| new = Call(Name(u"list"), [new]) | |
| new.prefix = node.prefix | |
| return new |