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Printing Unicode in doctest under Python 2.7 doesn't work #3583

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jwodder opened this issue Jun 14, 2018 · 1 comment · Fixed by #3584
Closed

Printing Unicode in doctest under Python 2.7 doesn't work #3583

jwodder opened this issue Jun 14, 2018 · 1 comment · Fixed by #3584
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plugin: doctests related to the doctests builtin plugin type: bug problem that needs to be addressed

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@jwodder
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jwodder commented Jun 14, 2018

As of pytest 3.6.1, doctests that prints Unicode output (not just evaluating to Unicode; they have to call print) are failing with a UnicodeEncodeError under Python 2.7 but succeeding under Python 3.3+, regardless of locale or whether doctest_encoding = utf-8 is set in pytest.ini. This has been observed on both Mac OS X and Ubuntu Trusty & Xenial.

This bug was first noticed in https://stackoverflow.com/q/50860112/744178; see there for slightly more information. Issue #2728 may also be related.

Minimal example:

pytest-bug.rst:

Here is a failing example::

    >>> print(u'\xE5\xE9\xEE\xF8\xFC')
    åéîøü

Running pytest pyttest-bug.rst fails under Python 2.7.10 and succeeds under Python 3.6.5.

@pytestbot pytestbot added the plugin: doctests related to the doctests builtin plugin label Jun 14, 2018
@pytestbot
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GitMate.io thinks possibly related issues are #3 (not executable on Python 2.7), #2327 (capsys not capturing on Python 2.7), #2917 (Asserting repeated warning does not work in Python 2.7), #394 (Does not support Python 2.4), and #1450 (pytest fails in Windows in Python 3.5, but not 2.7).

@pytestbot pytestbot added the type: bug problem that needs to be addressed label Jun 14, 2018
guykisel pushed a commit to guykisel/inline-plz that referenced this issue Jul 6, 2018
This PR updates [pytest](https://pypi.org/project/pytest) from **3.5.1** to **3.6.3**.



<details>
  <summary>Changelog</summary>
  
  
   ### 3.6.2
   ```
   =========================

Bug Fixes
---------

- Fix regression in ``Node.add_marker`` by extracting the mark object of a
  ``MarkDecorator``. (`3555
  &lt;https://github.com/pytest-dev/pytest/issues/3555&gt;`_)

- Warnings without ``location`` were reported as ``None``. This is corrected to
  now report ``&lt;undetermined location&gt;``. (`3563
  &lt;https://github.com/pytest-dev/pytest/issues/3563&gt;`_)

- Continue to call finalizers in the stack when a finalizer in a former scope
  raises an exception. (`3569
  &lt;https://github.com/pytest-dev/pytest/issues/3569&gt;`_)

- Fix encoding error with `print` statements in doctests (`3583
  &lt;https://github.com/pytest-dev/pytest/issues/3583&gt;`_)


Improved Documentation
----------------------

- Add documentation for the ``--strict`` flag. (`3549
  &lt;https://github.com/pytest-dev/pytest/issues/3549&gt;`_)


Trivial/Internal Changes
------------------------

- Update old quotation style to parens in fixture.rst documentation. (`3525
  &lt;https://github.com/pytest-dev/pytest/issues/3525&gt;`_)

- Improve display of hint about ``--fulltrace`` with ``KeyboardInterrupt``.
  (`3545 &lt;https://github.com/pytest-dev/pytest/issues/3545&gt;`_)

- pytest&#39;s testsuite is no longer runnable through ``python setup.py test`` --
  instead invoke ``pytest`` or ``tox`` directly. (`3552
  &lt;https://github.com/pytest-dev/pytest/issues/3552&gt;`_)

- Fix typo in documentation (`3567
  &lt;https://github.com/pytest-dev/pytest/issues/3567&gt;`_)
   ```
   
  
  
   ### 3.6.1
   ```
   =========================

Bug Fixes
---------

- Fixed a bug where stdout and stderr were logged twice by junitxml when a test
  was marked xfail. (`3491
  &lt;https://github.com/pytest-dev/pytest/issues/3491&gt;`_)

- Fix ``usefixtures`` mark applyed to unittest tests by correctly instantiating
  ``FixtureInfo``. (`3498
  &lt;https://github.com/pytest-dev/pytest/issues/3498&gt;`_)

- Fix assertion rewriter compatibility with libraries that monkey patch
  ``file`` objects. (`3503
  &lt;https://github.com/pytest-dev/pytest/issues/3503&gt;`_)


Improved Documentation
----------------------

- Added a section on how to use fixtures as factories to the fixture
  documentation. (`3461 &lt;https://github.com/pytest-dev/pytest/issues/3461&gt;`_)


Trivial/Internal Changes
------------------------

- Enable caching for pip/pre-commit in order to reduce build time on
  travis/appveyor. (`3502
  &lt;https://github.com/pytest-dev/pytest/issues/3502&gt;`_)

- Switch pytest to the src/ layout as we already suggested it for good practice
  - now we implement it as well. (`3513
  &lt;https://github.com/pytest-dev/pytest/issues/3513&gt;`_)

- Fix if in tests to support 3.7.0b5, where a docstring handling in AST got
  reverted. (`3530 &lt;https://github.com/pytest-dev/pytest/issues/3530&gt;`_)

- Remove some python2.5 compatibility code. (`3529
  &lt;https://github.com/pytest-dev/pytest/issues/3529&gt;`_)
   ```
   
  
  
   ### 3.6.0
   ```
   =========================

Features
--------

- Revamp the internals of the ``pytest.mark`` implementation with correct per
  node handling which fixes a number of long standing bugs caused by the old
  design. This introduces new ``Node.iter_markers(name)`` and
  ``Node.get_closest_mark(name)`` APIs. Users are **strongly encouraged** to
  read the `reasons for the revamp in the docs
  &lt;https://docs.pytest.org/en/latest/mark.htmlmarker-revamp-and-iteration&gt;`_,
  or jump over to details about `updating existing code to use the new APIs
  &lt;https://docs.pytest.org/en/latest/mark.htmlupdating-code&gt;`_. (`3317
  &lt;https://github.com/pytest-dev/pytest/issues/3317&gt;`_)

- Now when ``pytest.fixture`` is applied more than once to the same function a
  ``ValueError`` is raised. This buggy behavior would cause surprising problems
  and if was working for a test suite it was mostly by accident. (`2334
  &lt;https://github.com/pytest-dev/pytest/issues/2334&gt;`_)

- Support for Python 3.7&#39;s builtin ``breakpoint()`` method, see `Using the
  builtin breakpoint function
  &lt;https://docs.pytest.org/en/latest/usage.htmlbreakpoint-builtin&gt;`_ for
  details. (`3180 &lt;https://github.com/pytest-dev/pytest/issues/3180&gt;`_)

- ``monkeypatch`` now supports a ``context()`` function which acts as a context
  manager which undoes all patching done within the ``with`` block. (`3290
  &lt;https://github.com/pytest-dev/pytest/issues/3290&gt;`_)

- The ``--pdb`` option now causes KeyboardInterrupt to enter the debugger,
  instead of stopping the test session. On python 2.7, hitting CTRL+C again
  exits the debugger. On python 3.2 and higher, use CTRL+D. (`3299
  &lt;https://github.com/pytest-dev/pytest/issues/3299&gt;`_)

- pytest not longer changes the log level of the root logger when the
  ``log-level`` parameter has greater numeric value than that of the level of
  the root logger, which makes it play better with custom logging configuration
  in user code. (`3307 &lt;https://github.com/pytest-dev/pytest/issues/3307&gt;`_)


Bug Fixes
---------

- A rare race-condition which might result in corrupted ``.pyc`` files on
  Windows has been hopefully solved. (`3008
  &lt;https://github.com/pytest-dev/pytest/issues/3008&gt;`_)

- Also use iter_marker for discovering the marks applying for marker
  expressions from the cli to avoid the bad data from the legacy mark storage.
  (`3441 &lt;https://github.com/pytest-dev/pytest/issues/3441&gt;`_)

- When showing diffs of failed assertions where the contents contain only
  whitespace, escape them using ``repr()`` first to make it easy to spot the
  differences. (`3443 &lt;https://github.com/pytest-dev/pytest/issues/3443&gt;`_)


Improved Documentation
----------------------

- Change documentation copyright year to a range which auto-updates itself each
  time it is published. (`3303
  &lt;https://github.com/pytest-dev/pytest/issues/3303&gt;`_)


Trivial/Internal Changes
------------------------

- ``pytest`` now depends on the `python-atomicwrites
  &lt;https://github.com/untitaker/python-atomicwrites&gt;`_ library. (`3008
  &lt;https://github.com/pytest-dev/pytest/issues/3008&gt;`_)

- Update all pypi.python.org URLs to pypi.org. (`3431
  &lt;https://github.com/pytest-dev/pytest/issues/3431&gt;`_)

- Detect `pytest_` prefixed hooks using the internal plugin manager since
  ``pluggy`` is deprecating the ``implprefix`` argument to ``PluginManager``.
  (`3487 &lt;https://github.com/pytest-dev/pytest/issues/3487&gt;`_)

- Import ``Mapping`` and ``Sequence`` from ``_pytest.compat`` instead of
  directly from ``collections`` in ``python_api.py::approx``. Add ``Mapping``
  to ``_pytest.compat``, import it from ``collections`` on python 2, but from
  ``collections.abc`` on Python 3 to avoid a ``DeprecationWarning`` on Python
  3.7 or newer. (`3497 &lt;https://github.com/pytest-dev/pytest/issues/3497&gt;`_)
   ```
   
  
</details>


 

<details>
  <summary>Links</summary>
  
  - PyPI: https://pypi.org/project/pytest
  - Changelog: https://pyup.io/changelogs/pytest/
  - Repo: https://github.com/pytest-dev/pytest/issues
  - Homepage: http://pytest.org
</details>
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