【Python】【Library】【json】

gistfile1.py

Python 2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> import json
>>> json_str = "{'json':'str'}"
>>> json.loads(json_str)

Traceback (most recent call last):
  File "<pyshell#2>", line 1, in <module>
    json.loads(json_str)
  File "E:\Python27\lib\json\__init__.py", line 326, in loads
    return _default_decoder.decode(s)
  File "E:\Python27\lib\json\decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "E:\Python27\lib\json\decoder.py", line 382, in raw_decode
    obj, end = self.scan_once(s, idx)
ValueError: Expecting property name: line 1 column 1 (char 1)
>>> json_str = '{"json":"str"}'
>>> json.loads(json_str)
{u'json': u'str'}
>>> json_str = '{"json":"str\str"}'
>>> json.loads(json_str)

Traceback (most recent call last):
  File "<pyshell#8>", line 1, in <module>
    json.loads(json_str)
  File "E:\Python27\lib\json\__init__.py", line 326, in loads
    return _default_decoder.decode(s)
  File "E:\Python27\lib\json\decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "E:\Python27\lib\json\decoder.py", line 382, in raw_decode
    obj, end = self.scan_once(s, idx)
ValueError: Invalid \escape: line 1 column 12 (char 12)
>>> json_str = '{"json":"str\\str"}'
>>> json.loads(json_str)

Traceback (most recent call last):
  File "<pyshell#10>", line 1, in <module>
    json.loads(json_str)
  File "E:\Python27\lib\json\__init__.py", line 326, in loads
    return _default_decoder.decode(s)
  File "E:\Python27\lib\json\decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "E:\Python27\lib\json\decoder.py", line 382, in raw_decode
    obj, end = self.scan_once(s, idx)
ValueError: Invalid \escape: line 1 column 12 (char 12)
>>> json_str = '{"json":"str\\\\str"}'
>>> json.loads(json_str)
{u'json': u'str\\str'}
>>> 

关于ValueError: Expecting property name： http://bugs.python.org/issue5067

关于ValueError: Invalid \escape：
1、http://stackoverflow.com/questions/1505454/python-json-loads-chokes-on-escapes
2、http://stackoverflow.com/questions/4296041/simplejson-loads-get-invalid-escape-x