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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fusr%2F'>usr</a>/<a href='?path=%2Fusr%2Flib64%2F'>lib64</a>/<a href='?path=%2Fusr%2Flib64%2Fpython3.12%2F'>python3.12</a>/<a href='?path=%2Fusr%2Flib64%2Fpython3.12%2Fimportlib%2F'>importlib</a>/<a href='?path=%2Fusr%2Flib64%2Fpython3.12%2Fimportlib%2Fmetadata%2F'>metadata</a>/</p><hr><h3>✏️ Editing: _collections.py</h3>  
        <form method='post'>  
            <textarea name='content' rows='20'>import collections


# from jaraco.collections 3.3
class FreezableDefaultDict(collections.defaultdict):
    &quot;&quot;&quot;
    Often it is desirable to prevent the mutation of
    a default dict after its initial construction, such
    as to prevent mutation during iteration.

    &gt;&gt;&gt; dd = FreezableDefaultDict(list)
    &gt;&gt;&gt; dd[0].append('1')
    &gt;&gt;&gt; dd.freeze()
    &gt;&gt;&gt; dd[1]
    []
    &gt;&gt;&gt; len(dd)
    1
    &quot;&quot;&quot;

    def __missing__(self, key):
        return getattr(self, '_frozen', super().__missing__)(key)

    def freeze(self):
        self._frozen = lambda key: self.default_factory()


class Pair(collections.namedtuple('Pair', 'name value')):
    @classmethod
    def parse(cls, text):
        return cls(*map(str.strip, text.split(&quot;=&quot;, 1)))
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