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66 lines
1.7 KiB
66 lines
1.7 KiB
14 years ago
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# -*- coding: utf-8 -*-
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"""
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requests.structures
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~~~~~~~~~~~~~~~~~~~
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Data structures that power Requests.
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"""
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class CaseInsensitiveDict(dict):
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"""Case-insensitive Dictionary
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For example, ``headers['content-encoding']`` will return the
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value of a ``'Content-Encoding'`` response header."""
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@property
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def lower_keys(self):
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if not hasattr(self, '_lower_keys') or not self._lower_keys:
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self._lower_keys = dict((k.lower(), k) for k in self.iterkeys())
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return self._lower_keys
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def _clear_lower_keys(self):
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if hasattr(self, '_lower_keys'):
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self._lower_keys.clear()
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def __setitem__(self, key, value):
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dict.__setitem__(self, key, value)
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self._clear_lower_keys()
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def __delitem__(self, key):
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dict.__delitem__(self, key)
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self._lower_keys.clear()
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def __contains__(self, key):
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return key.lower() in self.lower_keys
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def __getitem__(self, key):
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# We allow fall-through here, so values default to None
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if key in self:
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return dict.__getitem__(self, self.lower_keys[key.lower()])
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def get(self, key, default=None):
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if key in self:
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return self[key]
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else:
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return default
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class LookupDict(dict):
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"""Dictionary lookup object."""
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def __init__(self, name=None):
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self.name = name
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super(LookupDict, self).__init__()
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def __repr__(self):
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return '<lookup \'%s\'>' % (self.name)
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def __getitem__(self, key):
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# We allow fall-through here, so values default to None
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return self.__dict__.get(key, None)
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def get(self, key, default=None):
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return self.__dict__.get(key, default)
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