third_party/cython/src/Cython/Tempita/compat3.py

   1 import sys
   2
   3 __all__ = ['b', 'basestring_', 'bytes', 'next', 'is_unicode']
   4
   5 if sys.version < "3":
   6     b = bytes = str
   7     basestring_ = basestring
   8 else:
   9
  10     def b(s):
  11         if isinstance(s, str):
  12             return s.encode('latin1')
  13         return bytes(s)
  14     basestring_ = (bytes, str)
  15     bytes = bytes
  16 text = str
  17
  18 if sys.version < "3":
  19
  20     def next(obj):
  21         return obj.next()
  22 else:
  23     next = next
  24
  25 if sys.version < "3":
  26
  27     def is_unicode(obj):
  28         return isinstance(obj, unicode)
  29 else:
  30
  31     def is_unicode(obj):
  32         return isinstance(obj, str)
  33
  34
  35 def coerce_text(v):
  36     if not isinstance(v, basestring_):
  37         if sys.version < "3":
  38             attr = '__unicode__'
  39         else:
  40             attr = '__str__'
  41         if hasattr(v, attr):
  42             return unicode(v)
  43         else:
  44             return bytes(v)
  45     return v