urllib3.exceptions.InvalidHeader exception leak #4306
Description
In some cases urlib3.exceptions.InvalidHeader exception is not being replaced with requests.InvalidHeader and leaks.
Expected Result
Raise requests.exceptions.InvalidHeader(RequestException, ValueError).
Actual Result
urllib3.exceptions.InvalidHeader is raised.
Stack trace
File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 515, in get
return self.request('GET', url, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 502, in request
resp = self.send(prep, **send_kwargs)
File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 612, in send
r = adapter.send(request, **kwargs)
File "/usr/lib/python2.7/dist-packages/requests/adapters.py", line 440, in send
timeout=timeout
File "/usr/lib/python2.7/dist-packages/urllib3/connectionpool.py", line 616, in urlopen
**response_kw)
File "/usr/lib/python2.7/dist-packages/urllib3/response.py", line 467, in from_httplib
**response_kw)
File "/usr/lib/python2.7/dist-packages/urllib3/response.py", line 155, in __init__
self.length_remaining = self._init_length(request_method)
File "/usr/lib/python2.7/dist-packages/urllib3/response.py", line 229, in _init_length
"unmatching values (%s)" % length)
exception.type: InvalidHeader
exception.value: Content-Length contained multiple unmatching values (0, 9929)
System Information
{
"chardet": {
"version": "3.0.4"
},
"cryptography": {
"version": ""
},
"implementation": {
"name": "CPython",
"version": "2.7.14"
},
"platform": {
"release": "4.12.0-2-amd64",
"system": "Linux"
},
"pyOpenSSL": {
"openssl_version": "",
"version": null
},
"requests": {
"version": "2.18.1"
},
"system_ssl": {
"version": "1010006f"
},
"urllib3": {
"version": "1.21.1"
},
"using_pyopenssl": false
}