New issue 358: Explodes with python3-lxc Ubuntu package installed
https://bitbucket.org/hpk42/tox/issues/358/explodes-with-python3-lxc-ubuntu-package
stub42:
If sitepackages=True and the python3-lxc Ubuntu package is installed, tox fails
with a lengthy and unhelpful traceback. Something about how this package
installs the lxc or _lxc Python packages is causing things to fail during
freeze.
```
#!python
test create: /home/ubuntu/charms/layers/telegraf/.tox/test
test installdeps: -r/home/ubuntu/charms/layers/telegraf/test_requirements.txt
ERROR: invocation failed (exit code 2), logfile:
/home/ubuntu/charms/layers/telegraf/.tox/test/log/test-2.log
ERROR: actionid: test
msg: envreport
cmdargs: ['/home/ubuntu/charms/layers/telegraf/.tox/test/bin/pip', 'freeze']
env: {...}
Exception:
Traceback (most recent call last):
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/packaging/requirements.py",
line 92, in __init__
req = REQUIREMENT.parseString(requirement_string)
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pyparsing.py",
line 1172, in parseString
raise exc
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pyparsing.py",
line 1162, in parseString
loc, tokens = self._parse( instring, 0 )
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pyparsing.py",
line 1028, in _parseNoCache
loc,tokens = self.parseImpl( instring, preloc, doActions )
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pyparsing.py",
line 2462, in parseImpl
loc, exprtokens = e._parse( instring, loc, doActions )
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pyparsing.py",
line 1028, in _parseNoCache
loc,tokens = self.parseImpl( instring, preloc, doActions )
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pyparsing.py",
line 2719, in parseImpl
return self.expr._parse( instring, loc, doActions, callPreParse=False )
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pyparsing.py",
line 1028, in _parseNoCache
loc,tokens = self.parseImpl( instring, preloc, doActions )
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pyparsing.py",
line 2445, in parseImpl
loc, resultlist = self.exprs[0]._parse( instring, loc, doActions,
callPreParse=False )
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pyparsing.py",
line 1032, in _parseNoCache
loc,tokens = self.parseImpl( instring, preloc, doActions )
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pyparsing.py",
line 1823, in parseImpl
raise ParseException(instring, loc, self.errmsg, self)
pip._vendor.pyparsing.ParseException: Expected W:(abcd...) (at char 0),
(line:1, col:1)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pkg_resources/__init__.py",
line 2788, in __init__
super(Requirement, self).__init__(requirement_string)
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/packaging/requirements.py",
line 96, in __init__
requirement_string[e.loc:e.loc + 8]))
pip._vendor.packaging.requirements.InvalidRequirement: Invalid requirement,
parse error at "'-lxc==0.'"
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/basecommand.py",
line 215, in main
status = self.run(options, args)
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/commands/freeze.py",
line 85, in run
for line in freeze(**freeze_kwargs):
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/operations/freeze.py",
line 47, in freeze
dependency_links
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/__init__.py",
line 264, in from_dist
req = dist.as_requirement()
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pkg_resources/__init__.py",
line 2562, in as_requirement
return Requirement.parse(spec)
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pkg_resources/__init__.py",
line 2833, in parse
req, = parse_requirements(s)
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pkg_resources/__init__.py",
line 2781, in parse_requirements
yield Requirement(line)
File
"/home/ubuntu/charms/layers/telegraf/.tox/test/lib/python3.5/site-packages/pip/_vendor/pkg_resources/__init__.py",
line 2790, in __init__
raise RequirementParseError(str(e))
pip._vendor.pkg_resources.RequirementParseError: Invalid requirement, parse
error at "'-lxc==0.'"
Traceback (most recent call last):
File "/usr/bin/tox", line 9, in <module>
load_entry_point('tox==2.3.1', 'console_scripts', 'tox')()
File "/usr/lib/python3/dist-packages/tox/session.py", line 39, in main
retcode = Session(config).runcommand()
File "/usr/lib/python3/dist-packages/tox/session.py", line 375, in runcommand
return self.subcommand_test()
File "/usr/lib/python3/dist-packages/tox/session.py", line 540, in
subcommand_test
action=action)
File "/usr/lib/python3/dist-packages/tox/venv.py", line 362, in _pcall
redirect=redirect, ignore_ret=ignore_ret)
File "/usr/lib/python3/dist-packages/tox/session.py", line 193, in popen
"%s (see %s)" % (invoked, outpath), ret)
tox.InvocationError: InvocationError:
/home/ubuntu/charms/layers/telegraf/.tox/test/bin/pip freeze (see
/home/ubuntu/charms/layers/telegraf/.tox/test/log/test-2.log)
```
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