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import sys
__all__ = ['PY3', 'b', 'basestring_', 'bytes', 'next', 'is_unicode']
PY3 = True if sys.version_info[0] == 3 else False
if sys.version < "3":
b = bytes = str
basestring_ = str
else:
def b(s):
if isinstance(s, str):
return s.encode('latin1')
return bytes(s)
basestring_ = (bytes, str)
bytes = bytes
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, str)
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 str(v)
else:
return bytes(v)
return v
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