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47 lines
1.7 KiB
47 lines
1.7 KiB
import six
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def str_to_unicode(text, encoding=None, errors='strict'):
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if encoding is None:
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encoding = 'utf-8'
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if isinstance(text, bytes):
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return text.decode(encoding, errors)
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return text
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def unicode_to_str(text, encoding=None, errors='strict'):
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if encoding is None:
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encoding = 'utf-8'
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if isinstance(text, six.text_type):
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return text.encode(encoding, errors)
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return text
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def to_unicode(text, encoding=None, errors='strict'):
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"""Return the unicode representation of a bytes object `text`. If `text`
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is already an unicode object, return it as-is."""
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if isinstance(text, six.text_type):
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return text
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if not isinstance(text, (bytes, six.text_type)):
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raise TypeError('to_unicode must receive a bytes, str or unicode '
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'object, got %s' % type(text).__name__)
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if encoding is None:
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encoding = 'utf-8'
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return text.decode(encoding, errors)
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def to_bytes(text, encoding=None, errors='strict'):
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"""Return the binary representation of `text`. If `text`
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is already a bytes object, return it as-is."""
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if isinstance(text, bytes):
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return text
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if not isinstance(text, six.string_types):
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raise TypeError('to_bytes must receive a unicode, str or bytes '
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'object, got %s' % type(text).__name__)
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if encoding is None:
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encoding = 'utf-8'
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return text.encode(encoding, errors)
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def to_native_str(text, encoding=None, errors='strict'):
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""" Return str representation of `text`
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(bytes in Python 2.x and unicode in Python 3.x). """
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if six.PY2:
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return to_bytes(text, encoding, errors)
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else:
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return to_unicode(text, encoding, errors)
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