Public bug reported:
I am running Ubuntu 16.04, with the python3-pip package installed,
version 8.1.1-2.
We have a local PyPI server setup to serve python modules not available on the
official PyPI server. I've added the local server using the extra-index-url
option to my pip.conf file. Everything works as expected when I try to install
one of the modules from the local PyPI server. However, when I try to install a
module only available on the official PyPI server, say jsonschema, I get the
following error:
Collecting jsonschema
Exception:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/pip/basecommand.py", line 209, in main
status = self.run(options, args)
File "/usr/lib/python3/dist-packages/pip/commands/install.py", line 328, in
run
wb.build(autobuilding=True)
File "/usr/lib/python3/dist-packages/pip/wheel.py", line 748, in build
self.requirement_set.prepare_files(self.finder)
File "/usr/lib/python3/dist-packages/pip/req/req_set.py", line 360, in
prepare_files
ignore_dependencies=self.ignore_dependencies))
File "/usr/lib/python3/dist-packages/pip/req/req_set.py", line 512, in
_prepare_file
finder, self.upgrade, require_hashes)
File "/usr/lib/python3/dist-packages/pip/req/req_install.py", line 273, in
populate_link
self.link = finder.find_requirement(self, upgrade)
File "/usr/lib/python3/dist-packages/pip/index.py", line 440, in
find_requirement
all_candidates = self.find_all_candidates(req.name)
File "/usr/lib/python3/dist-packages/pip/index.py", line 398, in
find_all_candidates
for page in self._get_pages(url_locations, project_name):
File "/usr/lib/python3/dist-packages/pip/index.py", line 543, in _get_pages
page = self._get_page(location)
File "/usr/lib/python3/dist-packages/pip/index.py", line 646, in _get_page
return HTMLPage.get_page(link, session=self.session)
File "/usr/lib/python3/dist-packages/pip/index.py", line 758, in get_page
resp.raise_for_status()
File
"/usr/share/python-wheels/requests-2.9.1-py2.py3-none-any.whl/requests/models.py",
line 840, in raise_for_status
raise HTTPError(http_error_msg, response=self)
pip._vendor.requests.exceptions.HTTPError: 404 Client Error: Not Found for url:
http://172.17.0.1/packages/wheels-py3/simple/jsonschema/
The problem is that when the requests module raises HTTPError, it's
being seen by pip as pip._vendor.requests.exceptions.HTTPError, while on
pip/index.py line 775, it's trying to catch requests.HTTPError, so the
raised error is not caught.
This error does not occur when pip is installed using the
https://bootstrap.pypa.io/get-pip.py script since the requests module is
bundled under _vendor, and the HTTPError is caught and handled
accordingly.
** Affects: python-pip (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1579196
Title:
HTTPError not being caught when module cannot be found
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