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- import sys
- __all__ = ['b', 'basestring_', 'bytes', 'next', 'is_unicode']
- if sys.version < "3":
- b = bytes = str
- basestring_ = basestring
- 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, 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
|
