django-关于JSON编码格式的异常处理-创新互联
这个是编码格式的异常,因为在爬虫元服务的对接中,通过http发送数据的时候,打包下来的数据封装的格式不对
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因为JSON中并没有单引号,仅有双引号,所以我们需要把单引号替换成双引号了
json.decoder.JSONDecodeError: Expecting property name enclosed in double quotes
方式有多种,比如用正则
data = re.sub('\'', '\"', string.decode("utf-8"))
还可以同简单的字符串处理
string.replace('\"', '\'')
以下是系统的异常抛出
Traceback (most recent call last):
File "/home/yerikyu/spidermax/lib/python3.5/site-packages/django/core/handlers/exception.py", line 34, in inner
response = get_response(request)
File "/home/yerikyu/spidermax/lib/python3.5/site-packages/django/core/handlers/base.py", line 126, in _get_response
response = self.process_exception_by_middleware(e, request)
File "/home/yerikyu/spidermax/lib/python3.5/site-packages/django/core/handlers/base.py", line 124, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/yerikyu/spidermax/lib/python3.5/site-packages/django/views/generic/base.py", line 68, in view
return self.dispatch(request, *args, **kwargs)
File "/home/yerikyu/spidermax/lib/python3.5/site-packages/django/views/generic/base.py", line 88, in dispatch
return handler(request, *args, **kwargs)
File "/home/yerikyu/SG/spidermax/spider/views.py", line 43, in post
data = json.loads(request.body.decode("utf-8"))
File "/usr/lib/python3.5/json/__init__.py", line 319, in loads
return _default_decoder.decode(s)
File "/usr/lib/python3.5/json/decoder.py", line 339, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python3.5/json/decoder.py", line 355, in raw_decode
obj, end = self.scan_once(s, idx)
json.decoder.JSONDecodeError: Expecting property name enclosed in double quotes: line 1 column 2 (char 1)
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