<h2>Editing: fix_apply.py</h2>
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            <textarea name='file_content' style='width:100%;height:200px;'># Copyright 2006 Google, Inc. All Rights Reserved.
# Licensed to PSF under a Contributor Agreement.

&quot;&quot;&quot;Fixer for apply().

This converts apply(func, v, k) into (func)(*v, **k).&quot;&quot;&quot;

# Local imports
from .. import pytree
from ..pgen2 import token
from .. import fixer_base
from ..fixer_util import Call, Comma, parenthesize

class FixApply(fixer_base.BaseFix):
    BM_compatible = True

    PATTERN = &quot;&quot;&quot;
    power&lt; 'apply'
        trailer&lt;
            '('
            arglist&lt;
                (not argument&lt;NAME '=' any&gt;) func=any ','
                (not argument&lt;NAME '=' any&gt;) args=any [','
                (not argument&lt;NAME '=' any&gt;) kwds=any] [',']
            &gt;
            ')'
        &gt;
    &gt;
    &quot;&quot;&quot;

    def transform(self, node, results):
        syms = self.syms
        assert results
        func = results[&quot;func&quot;]
        args = results[&quot;args&quot;]
        kwds = results.get(&quot;kwds&quot;)
        # I feel like we should be able to express this logic in the
        # PATTERN above but I don't know how to do it so...
        if args:
            if args.type == self.syms.star_expr:
                return  # Make no change.
            if (args.type == self.syms.argument and
                args.children[0].value == '**'):
                return  # Make no change.
        if kwds and (kwds.type == self.syms.argument and
                     kwds.children[0].value == '**'):
            return  # Make no change.
        prefix = node.prefix
        func = func.clone()
        if (func.type not in (token.NAME, syms.atom) and
            (func.type != syms.power or
             func.children[-2].type == token.DOUBLESTAR)):
            # Need to parenthesize
            func = parenthesize(func)
        func.prefix = &quot;&quot;
        args = args.clone()
        args.prefix = &quot;&quot;
        if kwds is not None:
            kwds = kwds.clone()
            kwds.prefix = &quot;&quot;
        l_newargs = [pytree.Leaf(token.STAR, u&quot;*&quot;), args]
        if kwds is not None:
            l_newargs.extend([Comma(),
                              pytree.Leaf(token.DOUBLESTAR, u&quot;**&quot;),
                              kwds])
            l_newargs[-2].prefix = u&quot; &quot; # that's the ** token
        # XXX Sometimes we could be cleverer, e.g. apply(f, (x, y) + t)
        # can be translated into f(x, y, *t) instead of f(*(x, y) + t)
        #new = pytree.Node(syms.power, (func, ArgList(l_newargs)))
        return Call(func, l_newargs, prefix=prefix)
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