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/proc/thread-self/root/proc/self/root/lib64/python3.9/lib2to3/fixes

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fix_itertools.py1.5 KB · 44 lines
""" Fixer for itertools.(imap|ifilter|izip) --> (map|filter|zip) and    itertools.ifilterfalse --> itertools.filterfalse (bugs 2360-2363)     imports from itertools are fixed in fix_itertools_import.py     If itertools is imported as something else (ie: import itertools as it;    it.izip(spam, eggs)) method calls will not get fixed.    """ # Local importsfrom .. import fixer_basefrom ..fixer_util import Name class FixItertools(fixer_base.BaseFix):    BM_compatible = True    it_funcs = "('imap'|'ifilter'|'izip'|'izip_longest'|'ifilterfalse')"    PATTERN = """              power< it='itertools'                  trailer<                     dot='.' func=%(it_funcs)s > trailer< '(' [any] ')' > >              |              power< func=%(it_funcs)s trailer< '(' [any] ')' > >              """ %(locals())     # Needs to be run after fix_(map|zip|filter)    run_order = 6     def transform(self, node, results):        prefix = None        func = results['func'][0]        if ('it' in results and            func.value not in ('ifilterfalse', 'izip_longest')):            dot, it = (results['dot'], results['it'])            # Remove the 'itertools'            prefix = it.prefix            it.remove()            # Replace the node which contains ('.', 'function') with the            # function (to be consistent with the second part of the pattern)            dot.remove()            func.parent.replace(func)         prefix = prefix or func.prefix        func.replace(Name(func.value[1:], prefix=prefix))