在rdflib namesp中创建Unicode项时发生Unicode解码错误

Question

我在rdflib命名空间中创建Unicode项时遇到Unicode解码错误

$ python
Python 2.7.3 (default, Sep 26 2012, 21:51:14) 
[GCC 4.7.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from rdflib.graph import ConjunctiveGraph
>>> from rdflib import Namespace, BNode, Literal, RDF, URIRef
***>>> rdfsNS = Namespace("http://www.w3.org/2000/01/rdf-schema#")
>>> item = "Petra Němcová"
>>> i = rdfsNS[item]***
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python2.7/dist-packages/rdflib/namespace.py", line 88, in __getitem__
    return self.term(key)
  File "/usr/local/lib/python2.7/dist-packages/rdflib/namespace.py", line 85, in term
    return URIRef(self + name)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc4 in position 7: ordinal not in range(128)

请帮助解决此问题。在

Answer 1

我不知道rdflib，但当你写下：

item = "Petra Němcová"

您正在创建普通字符串对象-请尝试使用以下内容定义unicode：

^{pr2}$

如注释中所示-如果已经将项作为字符串，并且知道其编码，请使用（如果编码为utf-8）：

item = item.decode('utf-8')