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import sys
__all__ = ['b', 'basestring_', 'bytes', 'unicode_', 'next', 'is_unicode']
if sys.version < "3":
b = bytes = str
basestring_ = basestring
unicode_ = unicode
else:
def b(s):
if isinstance(s, str):
return s.encode('latin1')
return bytes(s)
basestring_ = (bytes, str)
bytes = bytes
unicode_ = str
text = str
if sys.version < "3":
def next(obj):
return obj.next()
else:
next = next
if sys.version < "3":
def is_unicode(obj):
return isinstance(obj, unicode)
else:
def is_unicode(obj):
return isinstance(obj, str)
def coerce_text(v):
if not isinstance(v, basestring_):
if sys.version < "3":
attr = '__unicode__'
else:
attr = '__str__'
if hasattr(v, attr):
return unicode(v)
else:
return bytes(v)
return v
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