45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
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from collections import OrderedDict
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import six
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def _attr_key(attr):
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"""Returns appropriate key for sorting attribute names
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Attribute names are a tuple of ``(namespace, name)`` where namespace can be
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``None`` or a string. These can't be compared in Python 3, so we conver the
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``None`` to an empty string.
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"""
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key = (attr[0][0] or ''), attr[0][1]
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return key
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def alphabetize_attributes(attrs):
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"""Takes a dict of attributes (or None) and returns them alphabetized"""
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if not attrs:
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return attrs
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return OrderedDict(
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[(k, v) for k, v in sorted(attrs.items(), key=_attr_key)]
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)
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def force_unicode(text):
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"""Takes a text (Python 2: str/unicode; Python 3: unicode) and converts to unicode
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:arg str/unicode text: the text in question
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:returns: text as unicode
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:raises UnicodeDecodeError: if the text was a Python 2 str and isn't in
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utf-8
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"""
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# If it's already unicode, then return it
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if isinstance(text, six.text_type):
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return text
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# If not, convert it
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return six.text_type(text, 'utf-8', 'strict')
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