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51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
4 years ago
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"""Backward compatibility layer with older version of six.
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This is used to avoid virtualenv requring a version of six newer than what
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the system may have.
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"""
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from __future__ import absolute_import
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from six import PY2, PY3, binary_type, text_type
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try:
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from six import ensure_text
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except ImportError:
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def ensure_text(s, encoding="utf-8", errors="strict"):
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"""Coerce *s* to six.text_type.
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For Python 2:
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- `unicode` -> `unicode`
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- `str` -> `unicode`
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For Python 3:
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- `str` -> `str`
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- `bytes` -> decoded to `str`
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"""
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if isinstance(s, binary_type):
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return s.decode(encoding, errors)
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elif isinstance(s, text_type):
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return s
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else:
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raise TypeError("not expecting type '%s'" % type(s))
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try:
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from six import ensure_str
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except ImportError:
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def ensure_str(s, encoding="utf-8", errors="strict"):
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"""Coerce *s* to `str`.
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For Python 2:
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- `unicode` -> encoded to `str`
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- `str` -> `str`
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For Python 3:
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- `str` -> `str`
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- `bytes` -> decoded to `str`
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"""
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if not isinstance(s, (text_type, binary_type)):
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raise TypeError("not expecting type '%s'" % type(s))
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if PY2 and isinstance(s, text_type):
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s = s.encode(encoding, errors)
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elif PY3 and isinstance(s, binary_type):
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s = s.decode(encoding, errors)
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return s
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