42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
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# encoding: utf-8
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"""Provides Python 2 compatibility objects."""
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from StringIO import StringIO as BytesIO # noqa
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def is_integer(obj):
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"""Return True if *obj* is an integer (int, long), False otherwise."""
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return isinstance(obj, (int, long))
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def is_string(obj):
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"""Return True if *obj* is a string, False otherwise."""
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return isinstance(obj, basestring)
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def is_unicode(obj):
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"""Return True if *obj* is a unicode string, False otherwise."""
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return isinstance(obj, unicode)
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def to_unicode(text):
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"""Return *text* as a unicode string.
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*text* can be a 7-bit ASCII string, a UTF-8 encoded 8-bit string, or unicode. String
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values are converted to unicode assuming UTF-8 encoding. Unicode values are returned
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unchanged.
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"""
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# both str and unicode inherit from basestring
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if not isinstance(text, basestring):
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tmpl = "expected unicode or UTF-8 (or ASCII) encoded str, got %s value %s"
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raise TypeError(tmpl % (type(text), text))
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# return unicode strings unchanged
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if isinstance(text, unicode):
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return text
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# otherwise assume UTF-8 encoding, which also works for ASCII
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return unicode(text, "utf-8")
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Unicode = unicode
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