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//opt/alt/python37/lib/python3.7/site-packages/libfuturize/fixes/fix_future_builtins.py

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"""
For the ``future`` package.

Adds this import line::

from builtins import XYZ

for each of the functions XYZ that is used in the module.

Adds these imports after any other imports (in an initial block of them).
"""

from __future__ import unicode_literals

from lib2to3 import fixer_base
from lib2to3.pygram import python_symbols as syms
from lib2to3.fixer_util import Name, Call, in_special_context

from libfuturize.fixer_util import touch_import_top

# All builtins are:
#     from future.builtins.iterators import (filter, map, zip)
#     from future.builtins.misc import (ascii, chr, hex, input, isinstance, oct, open, round, super)
#     from future.types import (bytes, dict, int, range, str)
# We don't need isinstance any more.

replaced_builtin_fns = '''filter map zip
                       ascii chr hex input next oct
                       bytes range str raw_input'''.split()
                       # This includes raw_input as a workaround for the
                       # lib2to3 fixer for raw_input on Py3 (only), allowing
                       # the correct import to be included. (Py3 seems to run
                       # the fixers the wrong way around, perhaps ignoring the
                       # run_order class attribute below ...)

expression = '|'.join(["name='{0}'".format(name) for name in replaced_builtin_fns])

class FixFutureBuiltins(fixer_base.BaseFix):
    BM_compatible = True
    run_order = 7

# Currently we only match uses as a function. This doesn't match e.g.:
    #     if isinstance(s, str):
    #         ...
    PATTERN = """
              power<
                 ({0}) trailer< '(' [arglist=any] ')' >
              rest=any* >
              |
              power<
                  'map' trailer< '(' [arglist=any] ')' >
              >
              """.format(expression)

def transform(self, node, results):
        name = results["name"]
        touch_import_top(u'builtins', name.value, node)
        # name.replace(Name(u"input", prefix=name.prefix))

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Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2024-03-03 23:10:26	Edit Download recursive recursive
fix_absolute_import.py	3.07 KB	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_add__future__imports_except_unicode_literals.py	662 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_basestring.py	394 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_bytes.py	685 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_cmp.py	701 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_division.py	228 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_division_safe.py	3.38 KB	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_execfile.py	921 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_future_builtins.py	1.98 KB	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_future_standard_library.py	733 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_future_standard_library_urllib.py	1001 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_metaclass.py	9.34 KB	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_next_call.py	3.08 KB	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_object.py	407 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_oldstr_wrap.py	1.19 KB	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_order___future__imports.py	829 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_print.py	3.30 KB	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_print_with_import.py	735 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_raise.py	2.12 KB	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_remove_old__future__imports.py	851 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_unicode_keep_u.py	779 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_unicode_literals_import.py	367 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_UserDict.py	3.75 KB	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
fix_xrange_with_import.py	479 B	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive
__init__.py	5.02 KB	lrw-r--r--	2018-10-25 22:21:01	Edit Download recursive recursive

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