New issue 540: Encoding failure in doctest error handling on py3/windows
https://bitbucket.org/hpk42/pytest/issue/540/encoding-failure-in-doctest-error-handling
Ionel Maries Cristian:
I get this sort of failure:
```
C:\Users\ionel_000\Projects\asdfasdf>tox
py34 create: C:\Users\ionel_000\Projects\asdfasdf\.tox\py34
py34 installdeps: pytest
py34 runtests: PYTHONHASHSEED='922087378'
py34 runtests: commands[0] | py.test -vv
============================= test session starts =============================
platform win32 -- Python 3.4.1 -- py-1.4.20 -- pytest-2.5.2 --
C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\Scripts\python.exe
collected 1 items
unicode.rst: [doctest] unicode.rst
INTERNALERROR> Traceback (most recent call last):
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\main.py",
line 81, in wrap_session
INTERNALERROR> doit(config, session)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\main.py",
line 118, in _main
INTERNALERROR> config.hook.pytest_runtestloop(session=session)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\core.py",
line 377, in __call__
INTERNALERROR> return self._docall(methods, kwargs)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\core.py",
line 388, in _docall
INTERNALERROR> res = mc.execute()
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\core.py",
line 289, in execute
INTERNALERROR> res = method(**kwargs)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\main.py",
line 138, in pytest_runtestloop
INTERNALERROR> item.config.hook.pytest_runtest_protocol(item=item,
nextitem=nextitem)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\core.py",
line 377, in __call__
INTERNALERROR> return self._docall(methods, kwargs)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\core.py",
line 388, in _docall
INTERNALERROR> res = mc.execute()
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\core.py",
line 289, in execute
INTERNALERROR> res = method(**kwargs)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\runner.py",
line 64, in pytest_runtest_protocol
INTERNALERROR> runtestprotocol(item, nextitem=nextitem)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\runner.py",
line 74, in runtestprotocol
INTERNALERROR> reports.append(call_and_report(item, "call", log))
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\runner.py",
line 110, in call_and_report
INTERNALERROR> report = hook.pytest_runtest_makereport(item=item, call=call)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\main.py",
line 162, in call_matching_hooks
INTERNALERROR> return hookmethod.pcall(plugins, **kwargs)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\core.py",
line 381, in pcall
INTERNALERROR> return self._docall(methods, kwargs)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\core.py",
line 388, in _docall
INTERNALERROR> res = mc.execute()
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\core.py",
line 289, in execute
INTERNALERROR> res = method(**kwargs)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\capture.py",
line 246, in pytest_runtest_makereport
INTERNALERROR> rep = __multicall__.execute()
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\core.py",
line 289, in execute
INTERNALERROR> res = method(**kwargs)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\runner.py",
line 208, in pytest_runtest_makereport
INTERNALERROR> longrepr = item.repr_failure(excinfo)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\_pytest\doctest.py",
line 61, in repr_failure
INTERNALERROR> filelines = py.path.local(filename).readlines(cr=0)
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\py\_path\common.py",
line 134, in readlines
INTERNALERROR> content = self.read('rU')
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\site-packages\py\_path\common.py",
line 126, in read
INTERNALERROR> return f.read()
INTERNALERROR> File
"C:\Users\ionel_000\Projects\asdfasdf\.tox\py34\lib\encodings\cp1250.py", line
23, in decode
INTERNALERROR> return
codecs.charmap_decode(input,self.errors,decoding_table)[0]
INTERNALERROR> UnicodeDecodeError: 'charmap' codec can't decode byte 0x83 in
position 8: character maps to <undefined>
============================== in 0.05 seconds ===============================
ERROR: InvocationError:
'C:\\Users\\ionel_000\\Projects\\asdfasdf\\.tox\\py34\\Scripts\\py.test.EXE -vv'
___________________________________ summary ___________________________________
ERROR: py34: commands failed
```
Testcase: https://gist.github.com/ionelmc/4a56e2467aeb6d228ebe
This fails because the unicode.rst file is utf8 while the windows' default
encoding is some code page.
Also tested with tip from py/pytest - still reproduces. I've glossed over the
code but the fix involves adding "encoding awareness" all over in the `py`
module. What to do ?
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