<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;"># Copyright 2006 Georg Brandl.
# Licensed to PSF under a Contributor Agreement.

"""Fixer for intern().

intern(s) -&gt; sys.intern(s)"""

# Local imports
from .. import pytree
from .. import fixer_base
from ..fixer_util import Name, Attr, touch_import


class FixIntern(fixer_base.BaseFix):

    PATTERN = """
    power&lt; 'intern'
           trailer&lt; lpar='('
                    ( not(arglist | argument&lt;any '=' any&gt;) obj=any
                      | obj=arglist&lt;(not argument&lt;any '=' any&gt;) any ','&gt; )
                    rpar=')' &gt;
           after=any*
    &gt;
    """

    def transform(self, node, results):
        syms = self.syms
        obj = results["obj"].clone()
        if obj.type == syms.arglist:
            newarglist = obj.clone()
        else:
            newarglist = pytree.Node(syms.arglist, [obj.clone()])
        after = results["after"]
        if after:
            after = [n.clone() for n in after]
        new = pytree.Node(syms.power,
                          Attr(Name("sys"), Name("intern")) +
                          [pytree.Node(syms.trailer,
                                       [results["lpar"].clone(),
                                        newarglist,
                                        results["rpar"].clone()])] + after)
        new.set_prefix(node.get_prefix())
        touch_import(None, 'sys', node)
        return new
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