def smart_str(s, encoding='utf-8', strings_only=False, errors='strict'): """ Returns a bytestring version of 's', encoded as specified in 'encoding'. If strings_only is True, don't convert (some) non-string-like objects. """ if strings_only and isinstance(s, (types.NoneType, int)): return s if not isinstance(s, basestring): try: return str(s) except UnicodeEncodeError: if isinstance(s, Exception): # An Exception subclass containing non-ASCII data that doesn't # know how to print itself properly. We shouldn't raise a # further exception. return ' '.join([smart_str(arg, encoding, strings_only, errors) for arg in s]) return unicode(s).encode(encoding, errors) elif isinstance(s, unicode): return s.encode(encoding, errors) elif s and encoding != 'utf-8': return s.decode('utf-8', errors).encode(encoding, errors) else: return s
def smart_str(s, encoding='utf-8', strings_only=False, errors='strict'): """ Returns a bytestring version of 's', encoded as specified in 'encoding'. If strings_only is True, don't convert (some) non-string-like objects. """ if strings_only and isinstance(s, (types.NoneType, int)): return s if not isinstance(s, basestring): try: return str(s) except UnicodeEncodeError: if isinstance(s, Exception): # An Exception subclass containing non-ASCII data that doesn't # know how to print itself properly. We shouldn't raise a # further exception. return ' '.join([ smart_str(arg, encoding, strings_only, errors) for arg in s ]) return unicode(s).encode(encoding, errors) elif isinstance(s, unicode): return s.encode(encoding, errors) elif s and encoding != 'utf-8': return s.decode('utf-8', errors).encode(encoding, errors) else: return s
def make_key(self, key): return smart_str(key)