Well, character encoding and decoding sometimes frustrates me a lot.
So we know u'\u4f60\u597d' is the utf-8 encoding of 你好,
>>> print hellolist
[u'\u4f60\u597d']
>>> print hellolist[0]
你好
Now what I really want to get from the output or write to a file is [u'你好'], but it's [u'\u4f60\u597d'] all the time, so how do you do it?
解决方案
When you print (or write to a file) a list it internally calls the str() method of the list , but list internally calls repr() on its elements. repr() returns the ugly unicode representation that you are seeing .
Example of repr -
>>> h = u'\u4f60\u597d'
>>> print h
\u4f60\u597d
>>> print repr(h)
u'\u4f60\u597d'
You would need to manually take the elements of the list and print them for them to print correctly.
Example -
>>> h1 = [h,u'\u4f77\u587f']
>>> print u'[' + u','.join([u"'" + unicode(i) + u"'" for i in h1]) + u']'
For lists containing sublists that may have unicode characters, you would need a recursive function , example -
>>> h1 = [h,(u'\u4f77\u587f',)]
>>> def listprinter(l):
... if isinstance(l, list):
... return u'[' + u','.join([listprinter(i) for i in l]) + u']'
... elif isinstance(l, tuple):
... return u'(' + u','.join([listprinter(i) for i in l]) + u')'
... elif isinstance(l, (str, unicode)):
... return u"'" + unicode(l) + u"'"
...
>>>
>>>
>>> print listprinter(h1)
To save them to file, use the same list comprehension or recursive function. Example -
with open('','w') as f:
f.write(listprinter(l))
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