| 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 |
