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PATH: opt / alt / python311 / lib64 / python3.11 / lib2to3 / fixes

# 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

[-] fix_urllib.py [edit]
[-] fix_standarderror.py [edit]
[-] fix_imports.py [edit]
[-] fix_getcwdu.py [edit]
[-] fix_nonzero.py [edit]
[-] fix_itertools.py [edit]
[-] fix_xrange.py [edit]
[-] fix_metaclass.py [edit]
[-] fix_methodattrs.py [edit]
[+] ..
[-] fix_ne.py [edit]
[-] fix_repr.py [edit]
[-] fix_zip.py [edit]
[-] fix_exec.py [edit]
[-] fix_print.py [edit]
[-] fix_paren.py [edit]
[-] fix_imports2.py [edit]
[-] fix_apply.py [edit]
[-] fix_ws_comma.py [edit]
[-] fix_dict.py [edit]
[-] fix_buffer.py [edit]
[-] fix_intern.py [edit]
[-] fix_next.py [edit]
[-] fix_itertools_imports.py [edit]
[-] fix_throw.py [edit]
[+] __pycache__
[-] fix_long.py [edit]
[-] fix_raw_input.py [edit]
[-] fix_future.py [edit]
[-] fix_exitfunc.py [edit]
[-] fix_renames.py [edit]
[-] fix_input.py [edit]
[-] fix_reduce.py [edit]
[-] fix_operator.py [edit]
[-] fix_numliterals.py [edit]
[-] fix_isinstance.py [edit]
[-] fix_basestring.py [edit]
[-] fix_filter.py [edit]
[-] fix_raise.py [edit]
[-] fix_types.py [edit]
[-] fix_funcattrs.py [edit]
[-] fix_set_literal.py [edit]
[-] __init__.py [edit]
[-] fix_execfile.py [edit]
[-] fix_unicode.py [edit]
[-] fix_reload.py [edit]
[-] fix_import.py [edit]
[-] fix_sys_exc.py [edit]
[-] fix_asserts.py [edit]
[-] fix_map.py [edit]
[-] fix_tuple_params.py [edit]
[-] fix_xreadlines.py [edit]
[-] fix_except.py [edit]
[-] fix_has_key.py [edit]
[-] fix_idioms.py [edit]