35 lines
877 B
Python
35 lines
877 B
Python
"""
|
|
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):
|
|
|
|
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 = ""
|
|
new = Call(Name("list"), [new])
|
|
new.prefix = node.prefix
|
|
return new
|