55 lines
1.0 KiB
Python
55 lines
1.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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flask_sqlalchemy._compat
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~~~~~~~~~~~~~~~~~~~~~~~~
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Internal Python 2.x/3.x compatibility layer.
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:copyright: (c) 2013 by Daniel Neuhäuser
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:license: BSD, see LICENSE for more details.
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"""
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import sys
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PY2 = sys.version_info[0] == 2
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if PY2:
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def iteritems(d):
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return d.iteritems()
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def itervalues(d):
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return d.itervalues()
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xrange = xrange
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string_types = (unicode, bytes)
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def to_str(x, charset='utf8', errors='strict'):
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if x is None or isinstance(x, str):
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return x
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if isinstance(x, unicode):
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return x.encode(charset, errors)
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return str(x)
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else:
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def iteritems(d):
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return iter(d.items())
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def itervalues(d):
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return iter(d.values())
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xrange = range
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string_types = (str,)
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def to_str(x, charset='utf8', errors='strict'):
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if x is None or isinstance(x, str):
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return x
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if isinstance(x, bytes):
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return x.decode(charset, errors)
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return str(x)
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