REDROOM

Navigation

Breadcrumbs

/ / lib64 / python3.6 / lib2to3 / fixes

Create

Create File | Create Folder | Upload Files | Run Command

Preview: fix_xrange.py Size: 2.63 KB

/lib64/python3.6/lib2to3/fixes/fix_xrange.py

# Copyright 2007 Google, Inc. All Rights Reserved.
# Licensed to PSF under a Contributor Agreement.

"""Fixer that changes xrange(...) into range(...)."""

# Local imports
from .. import fixer_base
from ..fixer_util import Name, Call, consuming_calls
from .. import patcomp


class FixXrange(fixer_base.BaseFix):
    BM_compatible = True
    PATTERN = """
              power<
                 (name='range'|name='xrange') trailer< '(' args=any ')' >
              rest=any* >
              """

    def start_tree(self, tree, filename):
        super(FixXrange, self).start_tree(tree, filename)
        self.transformed_xranges = set()

    def finish_tree(self, tree, filename):
        self.transformed_xranges = None

    def transform(self, node, results):
        name = results["name"]
        if name.value == "xrange":
            return self.transform_xrange(node, results)
        elif name.value == "range":
            return self.transform_range(node, results)
        else:
            raise ValueError(repr(name))

    def transform_xrange(self, node, results):
        name = results["name"]
        name.replace(Name("range", prefix=name.prefix))
        # This prevents the new range call from being wrapped in a list later.
        self.transformed_xranges.add(id(node))

    def transform_range(self, node, results):
        if (id(node) not in self.transformed_xranges and
            not self.in_special_context(node)):
            range_call = Call(Name("range"), [results["args"].clone()])
            # Encase the range call in list().
            list_call = Call(Name("list"), [range_call],
                             prefix=node.prefix)
            # Put things that were after the range() call after the list call.
            for n in results["rest"]:
                list_call.append_child(n)
            return list_call

    P1 = "power< func=NAME trailer< '(' node=any ')' > any* >"
    p1 = patcomp.compile_pattern(P1)

    P2 = """for_stmt< 'for' any 'in' node=any ':' any* >
            | comp_for< 'for' any 'in' node=any any* >
            | comparison< any 'in' node=any any*>
         """
    p2 = patcomp.compile_pattern(P2)

    def in_special_context(self, node):
        if node.parent is None:
            return False
        results = {}
        if (node.parent.parent is not None and
               self.p1.match(node.parent.parent, results) and
               results["node"] is node):
            # list(d.keys()) -> list(d.keys()), etc.
            return results["func"].value in consuming_calls
        # for ... in d.iterkeys() -> for ... in d.keys(), etc.
        return self.p2.match(node.parent, results) and results["node"] is node

Directory Contents

Dirs: 1 × Files: 53

Sort:

Enable drag-to-move

Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2026-02-06 23:01:23	Edit Download recursive recursive
fix_apply.py	2.37 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_asserts.py	984 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_basestring.py	320 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_buffer.py	590 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_dict.py	3.67 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_except.py	3.27 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_exec.py	979 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_execfile.py	2.00 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_exitfunc.py	2.44 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_filter.py	2.59 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_funcattrs.py	644 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_future.py	547 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_getcwdu.py	451 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_has_key.py	3.12 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_idioms.py	4.76 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_import.py	3.18 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_imports.py	5.55 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_imports2.py	289 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_input.py	708 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_intern.py	1.21 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_isinstance.py	1.57 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_itertools.py	1.51 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_itertools_imports.py	2.04 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_long.py	476 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_map.py	3.55 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_metaclass.py	8.00 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_methodattrs.py	606 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_ne.py	571 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_next.py	3.10 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_nonzero.py	591 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_numliterals.py	768 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_operator.py	3.39 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_paren.py	1.20 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_print.py	2.78 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_raise.py	2.86 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_raw_input.py	454 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_reduce.py	837 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_reload.py	1.13 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_renames.py	2.17 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_repr.py	613 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_set_literal.py	1.66 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_standarderror.py	449 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_sys_exc.py	1.01 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_throw.py	1.54 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_tuple_params.py	5.43 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_types.py	1.73 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_unicode.py	1.23 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_urllib.py	8.16 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_ws_comma.py	1.06 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_xrange.py	2.63 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_xreadlines.py	689 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
fix_zip.py	1.26 KB	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive
__init__.py	47 B	lrw-r--r--	2018-12-23 21:37:14	Edit Download recursive recursive