Pin coverage to latest version 7.6.3 #723

pyup-bot · 2024-10-14T15:37:40Z

This PR pins coverage to the latest release 7.6.3.

Changelog

7.6.3

--------------------------

- Fix: nested context managers could incorrectly be analyzed to flag a missing
branch on the last context manager, as described in `issue 1876`_.  This is
now fixed.

- Fix: the missing branch message about not exiting a module had an extra
&quot;didn&#x27;t,&quot; as described in `issue 1873`_.  This is now fixed.

.. _issue 1873: https://github.com/nedbat/coveragepy/issues/1873
.. _issue 1876: https://github.com/nedbat/coveragepy/issues/1876


.. _changes_7-6-2:

7.6.2

--------------------------

- Dropped support for Python 3.8 and PyPy 3.8.

- Fix: a final wildcard match/case clause assigning to a name (``case _ as
value``) was incorrectly marked as a missing branch.  This is now fixed,
closing `issue 1860`_.

- Fewer things are considered branches now. Lambdas, comprehensions, and
generator expressions are no longer marked as missing branches if they don&#x27;t
complete execution.  Closes `issue 1852`_.

- Fix: the HTML report didn&#x27;t properly show multi-line f-strings that end with
a backslash continuation.  This is now fixed, closing `issue 1836`_, thanks
to `LiuYinCarl and Marco Ricci &lt;pull 1838_&gt;`_.

- Fix: the LCOV report now has correct line numbers (fixing `issue 1846`_) and
better branch descriptions for BRDA records (fixing `issue 1850`_).  There
are other changes to lcov also, including a new configuration option
:ref:`line_checksums &lt;config_lcov_line_checksums&gt;` to control whether line
checksums are included in the lcov report.  The default is false. To keep
checksums set it to true.  All this work is thanks to Zack Weinberg
(`pull 1849`_ and `pull 1851`_).

- Fixed the docs for multi-line regex exclusions, closing `issue 1863`_.

- Fixed a potential crash in the C tracer, closing `issue 1835`_, thanks to
`Jan Kühle &lt;pull 1843_&gt;`_.

.. _issue 1835: https://github.com/nedbat/coveragepy/issues/1835
.. _issue 1836: https://github.com/nedbat/coveragepy/issues/1836
.. _pull 1838: https://github.com/nedbat/coveragepy/pull/1838
.. _pull 1843: https://github.com/nedbat/coveragepy/pull/1843
.. _issue 1846: https://github.com/nedbat/coveragepy/issues/1846
.. _pull 1849: https://github.com/nedbat/coveragepy/pull/1849
.. _issue 1850: https://github.com/nedbat/coveragepy/issues/1850
.. _pull 1851: https://github.com/nedbat/coveragepy/pull/1851
.. _issue 1852: https://github.com/nedbat/coveragepy/issues/1852
.. _issue 1860: https://github.com/nedbat/coveragepy/issues/1860
.. _issue 1863: https://github.com/nedbat/coveragepy/issues/1863


.. _changes_7-6-1:

7.6.1

--------------------------

- Fix: coverage used to fail when measuring code using :func:`runpy.run_path
&lt;python:runpy.run_path&gt;` with a :class:`Path &lt;python:pathlib.Path&gt;` argument.
This is now fixed, thanks to `Ask Hjorth Larsen &lt;pull 1819_&gt;`_.

- Fix: backslashes preceding a multi-line backslashed string could confuse the
HTML report.  This is now fixed, thanks to `LiuYinCarl &lt;pull 1828_&gt;`_.

- Now we publish wheels for Python 3.13, both regular and free-threaded.

.. _pull 1819: https://github.com/nedbat/coveragepy/pull/1819
.. _pull 1828: https://github.com/nedbat/coveragepy/pull/1828


.. _changes_7-6-0:

7.6.0

--------------------------

- Exclusion patterns can now be multi-line, thanks to `Daniel Diniz &lt;pull
1807_&gt;`_.  This enables many interesting exclusion use-cases, including those
requested in issues `118 &lt;issue 118_&gt;`_ (entire files), `996
&lt;issue 996_&gt;`_ (multiple lines only when appearing together), `1741
&lt;issue 1741_&gt;`_ (remainder of a function), and `1803 &lt;issue 1803_&gt;`_
(arbitrary sequence of marked lines).  See the :ref:`multi_line_exclude`
section of the docs for more details and examples.

- The JSON report now includes per-function and per-class coverage information.
Thanks to `Daniel Diniz &lt;pull 1809_&gt;`_ for getting the work started. This
closes `issue 1793`_ and `issue 1532`_.

- Fixed an incorrect calculation of &quot;(no class)&quot; lines in the HTML classes
report.

- Python 3.13.0b3 is supported.

.. _issue 118: https://github.com/nedbat/coveragepy/issues/118
.. _issue 996: https://github.com/nedbat/coveragepy/issues/996
.. _issue 1532: https://github.com/nedbat/coveragepy/issues/1532
.. _issue 1741: https://github.com/nedbat/coveragepy/issues/1741
.. _issue 1793: https://github.com/nedbat/coveragepy/issues/1793
.. _issue 1803: https://github.com/nedbat/coveragepy/issues/1803
.. _pull 1807: https://github.com/nedbat/coveragepy/pull/1807
.. _pull 1809: https://github.com/nedbat/coveragepy/pull/1809

.. _changes_7-5-4:

7.5.4

--------------------------

- If you attempt to combine statement coverage data with branch coverage data,
coverage.py used to fail with the message &quot;Can&#x27;t combine arc data with line
data&quot; or its reverse, &quot;Can&#x27;t combine line data with arc data.&quot;  These
messages used internal terminology, making it hard for people to understand
the problem.  They are now changed to mention &quot;branch coverage data&quot; and
&quot;statement coverage data.&quot;

- Fixed a minor branch coverage problem with wildcard match/case cases using
names or guard clauses.

- Started testing on 3.13 free-threading (nogil) builds of Python.  I&#x27;m not
claiming full support yet.  Closes `issue 1799`_.

.. _issue 1799: https://github.com/nedbat/coveragepy/issues/1799


.. _changes_7-5-3:

7.5.3

--------------------------

- Performance improvements for combining data files, especially when measuring
line coverage. A few different quadratic behaviors were eliminated. In one
extreme case of combining 700+ data files, the time dropped from more than
three hours to seven minutes.  Thanks for Kraken Tech for funding the fix.

- Performance improvements for generating HTML reports, with a side benefit of
reducing memory use, closing `issue 1791`_.  Thanks to Daniel Diniz for
helping to diagnose the problem.

.. _issue 1791: https://github.com/nedbat/coveragepy/issues/1791


.. _changes_7-5-2:

7.5.2

--------------------------

- Fix: nested matches of exclude patterns could exclude too much code, as
reported in `issue 1779`_.  This is now fixed.

- Changed: previously, coverage.py would consider a module docstring to be an
executable statement if it appeared after line 1 in the file, but not
executable if it was the first line.  Now module docstrings are never counted
as executable statements.  This can change coverage.py&#x27;s count of the number
of statements in a file, which can slightly change the coverage percentage
reported.

- In the HTML report, the filter term and &quot;hide covered&quot; checkbox settings are
remembered between viewings, thanks to `Daniel Diniz &lt;pull 1776_&gt;`_.

- Python 3.13.0b1 is supported.

- Fix: parsing error handling is improved to ensure bizarre source files are
handled gracefully, and to unblock oss-fuzz fuzzing, thanks to `Liam DeVoe
&lt;pull 1788_&gt;`_. Closes `issue 1787`_.

.. _pull 1776: https://github.com/nedbat/coveragepy/pull/1776
.. _issue 1779: https://github.com/nedbat/coveragepy/issues/1779
.. _issue 1787: https://github.com/nedbat/coveragepy/issues/1787
.. _pull 1788: https://github.com/nedbat/coveragepy/pull/1788


.. _changes_7-5-1:

7.5.1

--------------------------

- Fix: a pragma comment on the continuation lines of a multi-line statement
now excludes the statement and its body, the same as if the pragma is
on the first line. This closes `issue 754`_. The fix was contributed by
`Daniel Diniz &lt;pull 1773_&gt;`_.

- Fix: very complex source files like `this one &lt;resolvent_lookup_&gt;`_ could
cause a maximum recursion error when creating an HTML report.  This is now
fixed, closing `issue 1774`_.

- HTML report improvements:

- Support files (JavaScript and CSS) referenced by the HTML report now have
 hashes added to their names to ensure updated files are used instead of
 stale cached copies.

- Missing branch coverage explanations that said &quot;the condition was never
 false&quot; now read &quot;the condition was always true&quot; because it&#x27;s easier to
 understand.

- Column sort order is remembered better as you move between the index pages,
 fixing `issue 1766`_.  Thanks, `Daniel Diniz &lt;pull 1768_&gt;`_.


.. _resolvent_lookup: https://github.com/sympy/sympy/blob/130950f3e6b3f97fcc17f4599ac08f70fdd2e9d4/sympy/polys/numberfields/resolvent_lookup.py
.. _issue 754: https://github.com/nedbat/coveragepy/issues/754
.. _issue 1766: https://github.com/nedbat/coveragepy/issues/1766
.. _pull 1768: https://github.com/nedbat/coveragepy/pull/1768
.. _pull 1773: https://github.com/nedbat/coveragepy/pull/1773
.. _issue 1774: https://github.com/nedbat/coveragepy/issues/1774


.. _changes_7-5-0:

7.5.0

--------------------------

- Added initial support for function and class reporting in the HTML report.
There are now three index pages which link to each other: files, functions,
and classes.  Other reports don&#x27;t yet have this information, but it will be
added in the future where it makes sense.  Feedback gladly accepted!
Finishes `issue 780`_.

- Other HTML report improvements:

- There is now a &quot;hide covered&quot; checkbox to filter out 100% files, finishing
 `issue 1384`_.

- The index page is always sorted by one of its columns, with clearer
 indications of the sorting.

- The &quot;previous file&quot; shortcut key didn&#x27;t work on the index page, but now it
 does, fixing `issue 1765`_.

- The debug output showing which configuration files were tried now shows
absolute paths to help diagnose problems where settings aren&#x27;t taking effect,
and is renamed from &quot;attempted_config_files&quot; to the more logical
&quot;config_files_attempted.&quot;

- Python 3.13.0a6 is supported.

.. _issue 780: https://github.com/nedbat/coveragepy/issues/780
.. _issue 1384: https://github.com/nedbat/coveragepy/issues/1384
.. _issue 1765: https://github.com/nedbat/coveragepy/issues/1765


.. _changes_7-4-4:

7.4.4

--------------------------

- Fix: in some cases, even with ``[run] relative_files=True``, a data file
could be created with absolute path names.  When combined with other relative
data files, it was random whether the absolute file names would be made
relative or not. If they weren&#x27;t, then a file would be listed twice in
reports, as detailed in `issue 1752`_.  This is now fixed: absolute file
names are always made relative when combining.  Thanks to Bruno Rodrigues dos
Santos for support.

- Fix: the last case of a match/case statement had an incorrect message if the
branch was missed.  It said the pattern never matched, when actually the
branch is missed if the last case always matched.

- Fix: clicking a line number in the HTML report now positions more accurately.

- Fix: the ``report:format`` setting was defined as a boolean, but should be a
string.  Thanks, `Tanaydin Sirin &lt;pull 1754_&gt;`_.  It is also now documented
on the :ref:`configuration page &lt;config_report_format&gt;`.

.. _issue 1752: https://github.com/nedbat/coveragepy/issues/1752
.. _pull 1754: https://github.com/nedbat/coveragepy/pull/1754


.. _changes_7-4-3:

7.4.3

--------------------------

- Fix: in some cases, coverage could fail with a RuntimeError: &quot;Set changed
size during iteration.&quot; This is now fixed, closing `issue 1733`_.

.. _issue 1733: https://github.com/nedbat/coveragepy/issues/1733


.. _changes_7-4-2:

7.4.2

--------------------------

- Fix: setting ``COVERAGE_CORE=sysmon`` no longer errors on 3.11 and lower,
thanks `Hugo van Kemenade &lt;pull 1747_&gt;`_.  It now issues a warning that
sys.monitoring is not available and falls back to the default core instead.

.. _pull 1747: https://github.com/nedbat/coveragepy/pull/1747


.. _changes_7-4-1:

7.4.1

--------------------------

- Python 3.13.0a3 is supported.

- Fix: the JSON report now includes an explicit format version number, closing
`issue 1732`_.

.. _issue 1732: https://github.com/nedbat/coveragepy/issues/1732


.. _changes_7-4-0:

7.4.0

--------------------------

- In Python 3.12 and above, you can try an experimental core based on the new
:mod:`sys.monitoring &lt;python:sys.monitoring&gt;` module by defining a
``COVERAGE_CORE=sysmon`` environment variable.  This should be faster for
line coverage, but not for branch coverage, and plugins and dynamic contexts
are not yet supported with it.  I am very interested to hear how it works (or
doesn&#x27;t!) for you.


.. _changes_7-3-4:

7.3.4

--------------------------

- Fix: the change for multi-line signature exclusions in 7.3.3 broke other
forms of nested clauses being excluded properly.  This is now fixed, closing
`issue 1713`_.

- Fix: in the HTML report, selecting code for copying won&#x27;t select the line
numbers also. Thanks, `Robert Harris &lt;pull 1717_&gt;`_.

.. _issue 1713: https://github.com/nedbat/coveragepy/issues/1713
.. _pull 1717: https://github.com/nedbat/coveragepy/pull/1717


.. _changes_7-3-3:

7.3.3

--------------------------

- Fix: function definitions with multi-line signatures can now be excluded by
matching any of the lines, closing `issue 684`_.  Thanks, `Jan Rusak,
Maciej Kowalczyk and Joanna Ejzel &lt;pull 1705_&gt;`_.

- Fix: XML reports could fail with a TypeError if files had numeric components
that were duplicates except for leading zeroes, like ``file1.py`` and
``file001.py``.  Fixes `issue 1709`_.

- The ``coverage annotate`` command used to announce that it would be removed
in a future version. Enough people got in touch to say that they use it, so
it will stay.  Don&#x27;t expect it to keep up with other new features though.

- Added new :ref:`debug options &lt;cmd_run_debug&gt;`:

- ``pytest`` writes the pytest test name into the debug output.

- ``dataop2`` writes the full data being added to CoverageData objects.

.. _issue 684: https://github.com/nedbat/coveragepy/issues/684
.. _pull 1705: https://github.com/nedbat/coveragepy/pull/1705
.. _issue 1709: https://github.com/nedbat/coveragepy/issues/1709


.. _changes_7-3-2:

7.3.2

--------------------------

- The ``coverage lcov`` command ignored the ``[report] exclude_lines`` and
``[report] exclude_also`` settings (`issue 1684`_).  This is now fixed,
thanks `Jacqueline Lee &lt;pull 1685_&gt;`_.

- Sometimes SQLite will create journal files alongside the coverage.py database
files.  These are ephemeral, but could be mistakenly included when combining
data files.  Now they are always ignored, fixing `issue 1605`_. Thanks to
Brad Smith for suggesting fixes and providing detailed debugging.

- On Python 3.12+, we now disable SQLite writing journal files, which should be
a little faster.

- The new 3.12 soft keyword ``type`` is properly bolded in HTML reports.

- Removed the &quot;fullcoverage&quot; feature used by CPython to measure the coverage of
early-imported standard library modules.  CPython `stopped using it
&lt;88054_&gt;`_ in 2021, and it stopped working completely in Python 3.13.

.. _issue 1605: https://github.com/nedbat/coveragepy/issues/1605
.. _issue 1684: https://github.com/nedbat/coveragepy/issues/1684
.. _pull 1685: https://github.com/nedbat/coveragepy/pull/1685
.. _88054: https://github.com/python/cpython/issues/88054


.. _changes_7-3-1:

7.3.1

--------------------------

- The semantics of stars in file patterns has been clarified in the docs.  A
leading or trailing star matches any number of path components, like a double
star would.  This is different than the behavior of a star in the middle of a
pattern.  This discrepancy was `identified by Sviatoslav Sydorenko
&lt;starbad_&gt;`_, who `provided patient detailed diagnosis &lt;pull 1650_&gt;`_ and
graciously agreed to a pragmatic resolution.

- The API docs were missing from the last version. They are now `restored
&lt;apidocs_&gt;`_.

.. _apidocs: https://coverage.readthedocs.io/en/latest/api_coverage.html
.. _starbad: https://github.com/nedbat/coveragepy/issues/1407#issuecomment-1631085209
.. _pull 1650: https://github.com/nedbat/coveragepy/pull/1650

.. _changes_7-3-0:

7.3.0

--------------------------

- Added a :meth:`.Coverage.collect` context manager to start and stop coverage
data collection.

- Dropped support for Python 3.7.

- Fix: in unusual circumstances, SQLite cannot be set to asynchronous mode.
Coverage.py would fail with the error ``Safety level may not be changed
inside a transaction.`` This is now avoided, closing `issue 1646`_.  Thanks
to Michael Bell for the detailed bug report.

- Docs: examples of configuration files now include separate examples for the
different syntaxes: .coveragerc, pyproject.toml, setup.cfg, and tox.ini.

- Fix: added ``nosemgrep`` comments to our JavaScript code so that
semgrep-based SAST security checks won&#x27;t raise false alarms about security
problems that aren&#x27;t problems.

- Added a CITATION.cff file, thanks to `Ken Schackart &lt;pull 1641_&gt;`_.

.. _pull 1641: https://github.com/nedbat/coveragepy/pull/1641
.. _issue 1646: https://github.com/nedbat/coveragepy/issues/1646


.. _changes_7-2-7:

7.2.7

--------------------------

- Fix: reverted a `change from 6.4.3 &lt;pull 1347b_&gt;`_ that helped Cython, but
also increased the size of data files when using dynamic contexts, as
described in the now-fixed `issue 1586`_. The problem is now avoided due to a
recent change (`issue 1538 &lt;issue 1538b_&gt;`_).  Thanks to `Anders Kaseorg
&lt;pull 1629_&gt;`_ and David Szotten for persisting with problem reports and
detailed diagnoses.

- Wheels are now provided for CPython 3.12.

.. _pull 1347b: https://github.com/nedbat/coveragepy/pull/1347
.. _issue 1538b: https://github.com/nedbat/coveragepy/issues/1538
.. _issue 1586: https://github.com/nedbat/coveragepy/issues/1586
.. _pull 1629: https://github.com/nedbat/coveragepy/pull/1629


.. _changes_7-2-6:

7.2.6

--------------------------

- Fix: the ``lcov`` command could raise an IndexError exception if a file is
translated to Python but then executed under its own name.  Jinja2 does this
when rendering templates.  Fixes `issue 1553`_.

- Python 3.12 beta 1 now inlines comprehensions.  Previously they were compiled
as invisible functions and coverage.py would warn you if they weren&#x27;t
completely executed.  This no longer happens under Python 3.12.

- Fix: the ``coverage debug sys`` command includes some environment variables
in its output.  This could have included sensitive data.  Those values are
now hidden with asterisks, closing `issue 1628`_.

.. _issue 1553: https://github.com/nedbat/coveragepy/issues/1553
.. _issue 1628: https://github.com/nedbat/coveragepy/issues/1628


.. _changes_7-2-5:

7.2.5

--------------------------

- Fix: ``html_report()`` could fail with an AttributeError on ``isatty`` if run
in an unusual environment where sys.stdout had been replaced.  This is now
fixed.


.. _changes_7-2-4:

7.2.4

--------------------------

PyCon 2023 sprint fixes!

- Fix: with ``relative_files = true``, specifying a specific file to include or
omit wouldn&#x27;t work correctly (`issue 1604`_).  This is now fixed, with
testing help by `Marc Gibbons &lt;pull 1608_&gt;`_.

- Fix: the XML report would have an incorrect ``&lt;source&gt;`` element when using
relative files and the source option ended with a slash (`issue 1541`_).
This is now fixed, thanks to `Kevin Brown-Silva &lt;pull 1608_&gt;`_.

- When the HTML report location is printed to the terminal, it&#x27;s now a
terminal-compatible URL, so that you can click the location to open the HTML
file in your browser.  Finishes `issue 1523`_ thanks to `Ricardo Newbery
&lt;pull 1613_&gt;`_.

- Docs: a new :ref:`Migrating page &lt;migrating&gt;` with details about how to
migrate between major versions of coverage.py.  It currently covers the
wildcard changes in 7.x.  Thanks, `Brian Grohe &lt;pull 1610_&gt;`_.

.. _issue 1523: https://github.com/nedbat/coveragepy/issues/1523
.. _issue 1541: https://github.com/nedbat/coveragepy/issues/1541
.. _issue 1604: https://github.com/nedbat/coveragepy/issues/1604
.. _pull 1608: https://github.com/nedbat/coveragepy/pull/1608
.. _pull 1609: https://github.com/nedbat/coveragepy/pull/1609
.. _pull 1610: https://github.com/nedbat/coveragepy/pull/1610
.. _pull 1613: https://github.com/nedbat/coveragepy/pull/1613


.. _changes_7-2-3:

7.2.3

--------------------------

- Fix: the :ref:`config_run_sigterm` setting was meant to capture data if a
process was terminated with a SIGTERM signal, but it didn&#x27;t always.  This was
fixed thanks to `Lewis Gaul &lt;pull 1600_&gt;`_, closing `issue 1599`_.

- Performance: HTML reports with context information are now much more compact.
File sizes are typically as small as one-third the previous size, but can be
dramatically smaller. This closes `issue 1584`_ thanks to `Oleh Krehel
&lt;pull 1587_&gt;`_.

- Development dependencies no longer use hashed pins, closing `issue 1592`_.

.. _issue 1584: https://github.com/nedbat/coveragepy/issues/1584
.. _pull 1587: https://github.com/nedbat/coveragepy/pull/1587
.. _issue 1592: https://github.com/nedbat/coveragepy/issues/1592
.. _issue 1599: https://github.com/nedbat/coveragepy/issues/1599
.. _pull 1600: https://github.com/nedbat/coveragepy/pull/1600


.. _changes_7-2-2:

7.2.2

--------------------------

- Fix: if a virtualenv was created inside a source directory, and a sourced
package was installed inside the virtualenv, then all of the third-party
packages inside the virtualenv would be measured.  This was incorrect, but
has now been fixed: only the specified packages will be measured, thanks to
`Manuel Jacob &lt;pull 1560_&gt;`_.

- Fix: the ``coverage lcov`` command could create a .lcov file with incorrect
LF (lines found) and LH (lines hit) totals.  This is now fixed, thanks to
`Ian Moore &lt;pull 1583_&gt;`_.

- Fix: the ``coverage xml`` command on Windows could create a .xml file with
duplicate ``&lt;package&gt;`` elements. This is now fixed, thanks to `Benjamin
Parzella &lt;pull 1574_&gt;`_, closing `issue 1573`_.

.. _pull 1560: https://github.com/nedbat/coveragepy/pull/1560
.. _issue 1573: https://github.com/nedbat/coveragepy/issues/1573
.. _pull 1574: https://github.com/nedbat/coveragepy/pull/1574
.. _pull 1583: https://github.com/nedbat/coveragepy/pull/1583


.. _changes_7-2-1:

7.2.1

--------------------------

- Fix: the PyPI page had broken links to documentation pages, but no longer
does, closing `issue 1566`_.

- Fix: public members of the coverage module are now properly indicated so that
mypy will find them, fixing `issue 1564`_.

.. _issue 1564: https://github.com/nedbat/coveragepy/issues/1564
.. _issue 1566: https://github.com/nedbat/coveragepy/issues/1566


.. _changes_7-2-0:

7.2.0

--------------------------

- Added a new setting ``[report] exclude_also`` to let you add more exclusions
without overwriting the defaults.  Thanks, `Alpha Chen &lt;pull 1557_&gt;`_,
closing `issue 1391`_.

- Added a :meth:`.CoverageData.purge_files` method to remove recorded data for
a particular file.  Contributed by `Stephan Deibel &lt;pull 1547_&gt;`_.

- Fix: when reporting commands fail, they will no longer congratulate
themselves with messages like &quot;Wrote XML report to file.xml&quot; before spewing a
traceback about their failure.

- Fix: arguments in the public API that name file paths now accept pathlib.Path
objects.  This includes the ``data_file`` and ``config_file`` arguments to
the Coverage constructor and the ``basename`` argument to CoverageData.
Closes `issue 1552`_.

- Fix: In some embedded environments, an IndexError could occur on stop() when
the originating thread exits before completion.  This is now fixed, thanks to
`Russell Keith-Magee &lt;pull 1543_&gt;`_, closing `issue 1542`_.

- Added a ``py.typed`` file to announce our type-hintedness.  Thanks,
`KotlinIsland &lt;pull 1550_&gt;`_.

.. _issue 1391: https://github.com/nedbat/coveragepy/issues/1391
.. _issue 1542: https://github.com/nedbat/coveragepy/issues/1542
.. _pull 1543: https://github.com/nedbat/coveragepy/pull/1543
.. _pull 1547: https://github.com/nedbat/coveragepy/pull/1547
.. _pull 1550: https://github.com/nedbat/coveragepy/pull/1550
.. _issue 1552: https://github.com/nedbat/coveragepy/issues/1552
.. _pull 1557: https://github.com/nedbat/coveragepy/pull/1557


.. _changes_7-1-0:

7.1.0

--------------------------

- Added: the debug output file can now be specified with ``[run] debug_file``
in the configuration file.  Closes `issue 1319`_.

- Performance: fixed a slowdown with dynamic contexts that&#x27;s been around since
6.4.3.  The fix closes `issue 1538`_.  Thankfully this doesn&#x27;t break the
`Cython change`_ that fixed `issue 972`_.  Thanks to Mathieu Kniewallner for
the deep investigative work and comprehensive issue report.

- Typing: all product and test code has type annotations.

.. _Cython change: https://github.com/nedbat/coveragepy/pull/1347
.. _issue 972: https://github.com/nedbat/coveragepy/issues/972
.. _issue 1319: https://github.com/nedbat/coveragepy/issues/1319
.. _issue 1538: https://github.com/nedbat/coveragepy/issues/1538


.. _changes_7-0-5:

7.0.5

--------------------------

- Fix: On Python 3.7, a file with type annotations but no ``from __future__
import annotations`` would be missing statements in the coverage report. This
is now fixed, closing `issue 1524`_.

.. _issue 1524: https://github.com/nedbat/coveragepy/issues/1524


.. _changes_7-0-4:

7.0.4

--------------------------

- Performance: an internal cache of file names was accidentally disabled,
resulting in sometimes drastic reductions in performance.  This is now fixed,
closing `issue 1527`_.   Thanks to Ivan Ciuvalschii for the reproducible test
case.

.. _issue 1527: https://github.com/nedbat/coveragepy/issues/1527


.. _changes_7-0-3:

7.0.3

--------------------------

- Fix: when using pytest-cov or pytest-xdist, or perhaps both, the combining
step could fail with ``assert row is not None`` using 7.0.2.  This was due to
a race condition that has always been possible and is still possible. In
7.0.1 and before, the error was silently swallowed by the combining code.
Now it will produce a message &quot;Couldn&#x27;t combine data file&quot; and ignore the
data file as it used to do before 7.0.2.  Closes `issue 1522`_.

.. _issue 1522: https://github.com/nedbat/coveragepy/issues/1522


.. _changes_7-0-2:

7.0.2

--------------------------

- Fix: when using the ``[run] relative_files = True`` setting, a relative
``[paths]`` pattern was still being made absolute.  This is now fixed,
closing `issue 1519`_.

- Fix: if Python doesn&#x27;t provide tomllib, then TOML configuration files can
only be read if coverage.py is installed with the ``[toml]`` extra.
Coverage.py will raise an error if TOML support is not installed when it sees
your settings are in a .toml file. But it didn&#x27;t understand that
``[tools.coverage]`` was a valid section header, so the error wasn&#x27;t reported
if you used that header, and settings were silently ignored.  This is now
fixed, closing `issue 1516`_.

- Fix: adjusted how decorators are traced on PyPy 7.3.10, fixing `issue 1515`_.

- Fix: the ``coverage lcov`` report did not properly implement the
``--fail-under=MIN`` option.  This has been fixed.

- Refactor: added many type annotations, including a number of refactorings.
This should not affect outward behavior, but they were a bit invasive in some
places, so keep your eyes peeled for oddities.

- Refactor: removed the vestigial and long untested support for Jython and
IronPython.

.. _issue 1515: https://github.com/nedbat/coveragepy/issues/1515
.. _issue 1516: https://github.com/nedbat/coveragepy/issues/1516
.. _issue 1519: https://github.com/nedbat/coveragepy/issues/1519


.. _changes_7-0-1:

7.0.1

--------------------------

- When checking if a file mapping resolved to a file that exists, we weren&#x27;t
considering files in .whl files.  This is now fixed, closing `issue 1511`_.

- File pattern rules were too strict, forbidding plus signs and curly braces in
directory and file names.  This is now fixed, closing `issue 1513`_.

- Unusual Unicode or control characters in source files could prevent
reporting.  This is now fixed, closing `issue 1512`_.

- The PyPy wheel now installs on PyPy 3.7, 3.8, and 3.9, closing `issue 1510`_.

.. _issue 1510: https://github.com/nedbat/coveragepy/issues/1510
.. _issue 1511: https://github.com/nedbat/coveragepy/issues/1511
.. _issue 1512: https://github.com/nedbat/coveragepy/issues/1512
.. _issue 1513: https://github.com/nedbat/coveragepy/issues/1513


.. _changes_7-0-0:

7.0.0

--------------------------

Nothing new beyond 7.0.0b1.


.. _changes_7-0-0b1:

7.0.0b1

----------------------------

A number of changes have been made to file path handling, including pattern
matching and path remapping with the ``[paths]`` setting (see
:ref:`config_paths`).  These changes might affect you, and require you to
update your settings.

(This release includes the changes from `6.6.0b1`__, since 6.6.0 was never
released.)

__ https://coverage.readthedocs.io/en/latest/changes.html#changes-6-6-0b1

- Changes to file pattern matching, which might require updating your
configuration:

- Previously, ``*`` would incorrectly match directory separators, making
 precise matching difficult.  This is now fixed, closing `issue 1407`_.

- Now ``**`` matches any number of nested directories, including none.

- Improvements to combining data files when using the
:ref:`config_run_relative_files` setting, which might require updating your
configuration:

- During ``coverage combine``, relative file paths are implicitly combined
 without needing a ``[paths]`` configuration setting.  This also fixed
 `issue 991`_.

- A ``[paths]`` setting like ``*/foo`` will now match ``foo/bar.py`` so that
 relative file paths can be combined more easily.

- The :ref:`config_run_relative_files` setting is properly interpreted in
 more places, fixing `issue 1280`_.

- When remapping file paths with ``[paths]``, a path will be remapped only if
the resulting path exists.  The documentation has long said the prefix had to
exist, but it was never enforced.  This fixes `issue 608`_, improves `issue
649`_, and closes `issue 757`_.

- Reporting operations now implicitly use the ``[paths]`` setting to remap file
paths within a single data file.  Combining multiple files still requires the
``coverage combine`` step, but this simplifies some single-file situations.
Closes `issue 1212`_ and `issue 713`_.

- The ``coverage report`` command now has a ``--format=`` option.  The original
style is now ``--format=text``, and is the default.

- Using ``--format=markdown`` will write the table in Markdown format, thanks
 to `Steve Oswald &lt;pull 1479_&gt;`_, closing `issue 1418`_.

- Using ``--format=total`` will write a single total number to the
 output.  This can be useful for making badges or writing status updates.

- Combining data files with ``coverage combine`` now hashes the data files to
skip files that add no new information.  This can reduce the time needed.
Many details affect the speed-up, but for coverage.py&#x27;s own test suite,
combining is about 40% faster. Closes `issue 1483`_.

- When searching for completely un-executed files, coverage.py uses the
presence of ``__init__.py`` files to determine which directories have source
that could have been imported.  However, `implicit namespace packages`_ don&#x27;t
require ``__init__.py``.  A new setting ``[report]
include_namespace_packages`` tells coverage.py to consider these directories
during reporting.  Thanks to `Felix Horvat &lt;pull 1387_&gt;`_ for the
contribution.  Closes `issue 1383`_ and `issue 1024`_.

- Fixed environment variable expansion in pyproject.toml files.  It was overly
broad, causing errors outside of coverage.py settings, as described in `issue
1481`_ and `issue 1345`_.  This is now fixed, but in rare cases will require
changing your pyproject.toml to quote non-string values that use environment
substitution.

- An empty file has a coverage total of 100%, but used to fail with
``--fail-under``.  This has been fixed, closing `issue 1470`_.

- The text report table no longer writes out two separator lines if there are
no files listed in the table.  One is plenty.

- Fixed a mis-measurement of a strange use of wildcard alternatives in
match/case statements, closing `issue 1421`_.

- Fixed internal logic that prevented coverage.py from running on
implementations other than CPython or PyPy (`issue 1474`_).

- The deprecated ``[run] note`` setting has been completely removed.

.. _implicit namespace packages: https://peps.python.org/pep-0420/
.. _issue 608: https://github.com/nedbat/coveragepy/issues/608
.. _issue 649: https://github.com/nedbat/coveragepy/issues/649
.. _issue 713: https://github.com/nedbat/coveragepy/issues/713
.. _issue 757: https://github.com/nedbat/coveragepy/issues/757
.. _issue 991: https://github.com/nedbat/coveragepy/issues/991
.. _issue 1024: https://github.com/nedbat/coveragepy/issues/1024
.. _issue 1212: https://github.com/nedbat/coveragepy/issues/1212
.. _issue 1280: https://github.com/nedbat/coveragepy/issues/1280
.. _issue 1345: https://github.com/nedbat/coveragepy/issues/1345
.. _issue 1383: https://github.com/nedbat/coveragepy/issues/1383
.. _issue 1407: https://github.com/nedbat/coveragepy/issues/1407
.. _issue 1418: https://github.com/nedbat/coveragepy/issues/1418
.. _issue 1421: https://github.com/nedbat/coveragepy/issues/1421
.. _issue 1470: https://github.com/nedbat/coveragepy/issues/1470
.. _issue 1474: https://github.com/nedbat/coveragepy/issues/1474
.. _issue 1481: https://github.com/nedbat/coveragepy/issues/1481
.. _issue 1483: https://github.com/nedbat/coveragepy/issues/1483
.. _pull 1387: https://github.com/nedbat/coveragepy/pull/1387
.. _pull 1479: https://github.com/nedbat/coveragepy/pull/1479


.. _changes_6-6-0b1:

6.6.0b1

----------------------------

(Note: 6.6.0 final was never released. These changes are part of `7.0.0b1`__.)

__ https://coverage.readthedocs.io/en/latest/changes.html#changes-7-0-0b1

- Changes to file pattern matching, which might require updating your
configuration:

- Previously, ``*`` would incorrectly match directory separators, making
 precise matching difficult.  This is now fixed, closing `issue 1407`_.

- Now ``**`` matches any number of nested directories, including none.

- Improvements to combining data files when using the
:ref:`config_run_relative_files` setting:

- During ``coverage combine``, relative file paths are implicitly combined
 without needing a ``[paths]`` configuration setting.  This also fixed
 `issue 991`_.

- A ``[paths]`` setting like ``*/foo`` will now match ``foo/bar.py`` so that
 relative file paths can be combined more easily.

- The setting is properly interpreted in more places, fixing `issue 1280`_.

- Fixed environment variable expansion in pyproject.toml files.  It was overly
broad, causing errors outside of coverage.py settings, as described in `issue
1481`_ and `issue 1345`_.  This is now fixed, but in rare cases will require
changing your pyproject.toml to quote non-string values that use environment
substitution.

- Fixed internal logic that prevented coverage.py from running on
implementations other than CPython or PyPy (`issue 1474`_).

.. _issue 991: https://github.com/nedbat/coveragepy/issues/991
.. _issue 1280: https://github.com/nedbat/coveragepy/issues/1280
.. _issue 1345: https://github.com/nedbat/coveragepy/issues/1345
.. _issue 1407: https://github.com/nedbat/coveragepy/issues/1407
.. _issue 1474: https://github.com/nedbat/coveragepy/issues/1474
.. _issue 1481: https://github.com/nedbat/coveragepy/issues/1481


.. _changes_6-5-0:

6.5.0

--------------------------

- The JSON report now includes details of which branches were taken, and which
are missing for each file. Thanks, `Christoph Blessing &lt;pull 1438_&gt;`_. Closes
`issue 1425`_.

- Starting with coverage.py 6.2, ``class`` statements were marked as a branch.
This wasn&#x27;t right, and has been reverted, fixing `issue 1449`_. Note this
will very slightly reduce your coverage total if you are measuring branch
coverage.

- Packaging is now compliant with `PEP 517`_, closing `issue 1395`_.

- A new debug option ``--debug=pathmap`` shows details of the remapping of
paths that happens during combine due to the ``[paths]`` setting.

- Fix an internal problem with caching of invalid Python parsing. Found by
OSS-Fuzz, fixing their `bug 50381`_.

.. _bug 50381: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50381
.. _PEP 517: https://peps.python.org/pep-0517/
.. _issue 1395: https://github.com/nedbat/coveragepy/issues/1395
.. _issue 1425: https://github.com/nedbat/coveragepy/issues/1425
.. _issue 1449: https://github.com/nedbat/coveragepy/issues/1449
.. _pull 1438: https://github.com/nedbat/coveragepy/pull/1438


.. _changes_6-4-4:

6.4.4

--------------------------

- Wheels are now provided for Python 3.11.


.. _changes_6-4-3:

6.4.3

--------------------------

- Fix a failure when combining data files if the file names contained glob-like
patterns.  Thanks, `Michael Krebs and Benjamin Schubert &lt;pull 1405_&gt;`_.

- Fix a messaging failure when combining Windows data files on a different
drive than the current directory, closing `issue 1428`_.  Thanks, `Lorenzo
Micò &lt;pull 1430_&gt;`_.

- Fix path calculations when running in the root directory, as you might do in
a Docker container. Thanks `Arthur Rio &lt;pull 1403_&gt;`_.

- Filtering in the HTML report wouldn&#x27;t work when reloading the index page.
This is now fixed.  Thanks, `Marc Legendre &lt;pull 1413_&gt;`_.

- Fix a problem with Cython code measurement, closing `issue 972`_.  Thanks,
`Matus Valo &lt;pull 1347_&gt;`_.

.. _issue 972: https://github.com/nedbat/coveragepy/issues/972
.. _issue 1428: https://github.com/nedbat/coveragepy/issues/1428
.. _pull 1347: https://github.com/nedbat/coveragepy/pull/1347
.. _pull 1403: https://github.com/nedbat/coveragepy/issues/1403
.. _pull 1405: https://github.com/nedbat/coveragepy/issues/1405
.. _pull 1413: https://github.com/nedbat/coveragepy/issues/1413
.. _pull 1430: https://github.com/nedbat/coveragepy/pull/1430


.. _changes_6-4-2:

6.4.2

--------------------------

- Updated for a small change in Python 3.11.0 beta 4: modules now start with a
line with line number 0, which is ignored.  This line cannot be executed, so
coverage totals were thrown off.  This line is now ignored by coverage.py,
but this also means that truly empty modules (like ``__init__.py``) have no
lines in them, rather than one phantom line.  Fixes `issue 1419`_.

- Internal debugging data added to sys.modules is now an actual module, to
avoid confusing code that examines everything in sys.modules.  Thanks,
`Yilei Yang &lt;pull 1399_&gt;`_.

.. _issue 1419: https://github.com/nedbat/coveragepy/issues/1419
.. _pull 1399: https://github.com/nedbat/coveragepy/pull/1399


.. _changes_6-4-1:

6.4.1

--------------------------

- Greatly improved performance on PyPy, and other environments that need the
pure Python trace function.  Thanks, Carl Friedrich Bolz-Tereick (`pull
1381`_ and `pull 1388`_).  Slightly improved performance when using the C
trace function, as most environments do.  Closes `issue 1339`_.

- The conditions for using tomllib from the standard library have been made
more precise, so that 3.11 alphas will continue to work. Closes `issue
1390`_.

.. _issue 1339: https://github.com/nedbat/coveragepy/issues/1339
.. _pull 1381: https://github.com/nedbat/coveragepy/pull/1381
.. _pull 1388: https://github.com/nedbat/coveragepy/pull/1388
.. _issue 1390: https://github.com/nedbat/coveragepy/issues/1390


.. _changes_64:

6.4

------------------------

- A new setting, :ref:`config_run_sigterm`, controls whether a SIGTERM signal
handler is used.  In 6.3, the signal handler was always installed, to capture
data at unusual process ends.  Unfortunately, this introduced other problems
(see `issue 1310`_).  Now the signal handler is only used if you opt-in by
setting ``[run] sigterm = true``.

- Small changes to the HTML report:

- Added links to next and previous file, and more keyboard shortcuts: ``[``
 and ``]`` for next file and previous file; ``u`` for up to the index; and
 ``?`` to open/close the help panel.  Thanks, `J. M. F. Tsang
 &lt;pull 1364_&gt;`_.

- The time stamp and version are displayed at the top of the report.  Thanks,
 `Ammar Askar &lt;pull 1354_&gt;`_. Closes `issue 1351`_.

- A new debug option ``debug=sqldata`` adds more detail to ``debug=sql``,
logging all the data being written to the database.

- Previously, running ``coverage report`` (or any of the reporting commands) in
an empty directory would create a .coverage data file.  Now they do not,
fixing `issue 1328`_.

- On Python 3.11, the ``[toml]`` extra no longer installs tomli, instead using
tomllib from the standard library.  Thanks `Shantanu &lt;pull 1359_&gt;`_.

- In-memory CoverageData objects now properly update(), closing `issue 1323`_.

.. _issue 1310: https://github.com/nedbat/coveragepy/issues/1310
.. _issue 1323: https://github.com/nedbat/coveragepy/issues/1323
.. _issue 1328: https://github.com/nedbat/coveragepy/issues/1328
.. _issue 1351: https://github.com/nedbat/coveragepy/issues/1351
.. _pull 1354: https://github.com/nedbat/coveragepy/pull/1354
.. _pull 1359: https://github.com/nedbat/coveragepy/pull/1359
.. _pull 1364: https://github.com/nedbat/coveragepy/pull/1364


.. _changes_633:

6.3.3

--------------------------

- Fix: Coverage.py now builds successfully on CPython 3.11 (3.11.0b1) again.
Closes `issue 1367`_.  Some results for generators may have changed.

.. _issue 1367: https://github.com/nedbat/coveragepy/issues/1367


.. _changes_632:

6.3.2

--------------------------

- Fix: adapt to pypy3.9&#x27;s decorator tracing behavior.  It now traces function
decorators like CPython 3.8: both the -line and the def-line are traced.
Fixes `issue 1326`_.

- Debug: added ``pybehave`` to the list of :ref:`coverage debug &lt;cmd_debug&gt;`
and :ref:`cmd_run_debug` options.

- Fix: show an intelligible error message if ``--concurrency=multiprocessing``
is used without a configuration file.  Closes `issue 1320`_.

.. _issue 1320: https://github.com/nedbat/coveragepy/issues/1320
.. _issue 1326: https://github.com/nedbat/coveragepy/issues/1326


.. _changes_631:

6.3.1

--------------------------

- Fix: deadlocks could occur when terminating processes.  Some of these
deadlocks (described in `issue 1310`_) are now fixed.

- Fix: a signal handler was being set from multiple threads, causing an error:
&quot;ValueError: signal only works in main thread&quot;.  This is now fixed, closing
`issue 1312`_.

- Fix: ``--precision`` on the command-line was being ignored while considering
``--fail-under``.  This is now fixed, thanks to
`Marcelo Trylesinski &lt;pull 1317_&gt;`_.

- Fix: releases no longer provide 3.11.0-alpha wheels. Coverage.py uses CPython
internal fields which are moving during the alpha phase. Fixes `issue 1316`_.

.. _issue 1310: https://github.com/nedbat/coveragepy/issues/1310
.. _issue 1312: https://github.com/nedbat/coveragepy/issues/1312
.. _issue 1316: https://github.com/nedbat/coveragepy/issues/1316
.. _pull 1317: https://github.com/nedbat/coveragepy/pull/1317


.. _changes_63:

6.3

------------------------

- Feature: Added the ``lcov`` command to generate reports in LCOV format.
Thanks, `Bradley Burns &lt;pull 1289_&gt;`_. Closes issues `587 &lt;issue 587_&gt;`_
and `626 &lt;issue 626_&gt;`_.

- Feature: the coverage data file can now be specified on the command line with
the ``--data-file`` option in any command that reads or writes data.  This is
in addition to the existing ``COVERAGE_FILE`` environment variable.  Closes
`issue 624`_. Thanks, `Nikita Bloshchanevich &lt;pull 1304_&gt;`_.

- Feature: coverage measurement data will now be written when a SIGTERM signal
is received by the process.  This includes
:meth:`Process.terminate &lt;python:multiprocessing.Process.terminate&gt;`,
and other ways to terminate a process.  Currently this is only on Linux and
Mac; Windows is not supported.  Fixes `issue 1307`_.

- Dropped support for Python 3.6, which reached end-of-life on 2021-12-23.

- Updated Python 3.11 support to 3.11.0a4, fixing `issue 1294`_.

- Fix: the coverage data file is now created in a more robust way, to avoid
problems when multiple processes are trying to write data at once. Fixes
issues `1303 &lt;issue 1303_&gt;`_ and `883 &lt;issue 883_&gt;`_.

- Fix: a .gitignore file will only be written into the HTML report output
directory if the directory is empty.  This should prevent certain unfortunate
accidents of writing the file where it is not wanted.

- Releases now have MacOS arm64 wheels for Apple Silicon, fixing `issue 1288`_.

.. _issue 587: https://github.com/nedbat/coveragepy/issues/587
.. _issue 624: https://github.com/nedbat/coveragepy/issues/624
.. _issue 626: https://github.com/nedbat/coveragepy/issues/626
.. _issue 883: https://github.com/nedbat/coveragepy/issues/883
.. _issue 1288: https://github.com/nedbat/coveragepy/issues/1288
.. _issue 1294: https://github.com/nedbat/coveragepy/issues/1294
.. _issue 1303: https://github.com/nedbat/coveragepy/issues/1303
.. _issue 1307: https://github.com/nedbat/coveragepy/issues/1307
.. _pull 1289: https://github.com/nedbat/coveragepy/pull/1289
.. _pull 1304: https://github.com/nedbat/coveragepy/pull/1304


.. _changes_62:

6.2

------------------------

- Feature: Now the ``--concurrency`` setting can have a list of values, so that
threads and another lightweight threading package can be measured together,
such as ``--concurrency=gevent,thread``.  Closes `issue 1012`_ and `issue
1082`_.  This also means that ``thread`` must be explicitly specified in some
cases that used to be implicit such as ``--concurrency=multiprocessing``,
which must be changed to ``--concurrency=multiprocessing,thread``.

- Fix: A module specified as the ``source`` setting is imported during startup,
before the user program imports it.  This could cause problems if the rest of
the program isn&#x27;t ready yet.  For example, `issue 1203`_ describes a Django
setting that is accessed before settings have been configured.  Now the early
import is wrapped in a try/except so errors then don&#x27;t stop execution.

- Fix: A colon in a decorator expression would cause an exclusion to end too
early, preventing the exclusion of the decorated function. This is now fixed.

- Fix: The HTML report now will not overwrite a .gitignore file that already
exists in the HTML output directory (follow-on for `issue 1244
&lt;issue 1244b_&gt;`_).

- API: The exceptions raised by Coverage.py have been specialized, to provide
finer-grained catching of exceptions by third-party code.

- API: Using ``suffix=False`` when constructing a Coverage object with
multiprocessing wouldn&#x27;t suppress the data file suffix (`issue 989`_).  This
is now fixed.

- Debug: The ``coverage debug data`` command will now sniff out combinable data
files, and report on all of them.

- Debug: The ``coverage debug`` command used to accept a number of topics at a
time, and show all of them, though this was never documented.  This no longer
works, to allow for command-line options in the future.

.. _issue 989: https://github.com/nedbat/coveragepy/issues/989
.. _issue 1012: https://github.com/nedbat/coveragepy/issues/1012
.. _issue 1082: https://github.com/nedbat/coveragepy/issues/1082
.. _issue 1203: https://github.com/nedbat/coveragepy/issues/1203
.. _issue 1244b: https://github.com/nedbat/coveragepy/issues/1244


.. _changes_612:

6.1.2

--------------------------

- Python 3.11 is supported (tested with 3.11.0a2).  One still-open issue has to
do with `exits through with-statements &lt;issue 1270_&gt;`_.

- Fix: When remapping file paths through the ``[paths]`` setting while
combining, the ``[run] relative_files`` setting was ignored, resulting in
absolute paths for remapped file names (`issue 1147`_).  This is now fixed.

- Fix: Complex conditionals over excluded lines could have incorrectly reported
a missing branch (`issue 1271`_). This is now fixed.

- Fix: More exceptions are now handled when trying to parse source files for
reporting.  Problems that used to terminate coverage.py can now be handled
with ``[report] ignore_errors``.  This helps with plugins failing to read
files (`django_coverage_plugin issue 78`_).

- Fix: Removed another vestige of jQuery from the source tarball
(`issue 840 &lt;issue 840b_&gt;`_).

- Fix: Added a default value for a new-to-6.x argument of an internal class.
This unsupported class is being used by coveralls (`issue 1273`_). Although
I&#x27;d rather not &quot;fix&quot; unsupported interfaces, it&#x27;s actually nicer with a
default value.

.. _django_coverage_plugin issue 78: https://github.com/nedbat/django_coverage_plugin/issues/78
.. _issue 840b: https://github.com/nedbat/coveragepy/issues/840
.. _issue 1147: https://github.com/nedbat/coveragepy/issues/1147
.. _issue 1270: https://github.com/nedbat/coveragepy/issues/1270
.. _issue 1271: https://github.com/nedbat/coveragepy/issues/1271
.. _issue 1273: https://github.com/nedbat/coveragepy/issues/1273


.. _changes_611:

6.1.1

--------------------------

- Fix: The sticky header on the HTML report didn&#x27;t work unless you had branch
coverage enabled. This is now fixed: the sticky header works for everyone.
(Do people still use coverage without branch measurement!? j/k)

- Fix: When using explicitly declared namespace packages, the &quot;already imported
a file that will be measured&quot; warning would be issued (`issue 888`_).  This
is now fixed.

.. _issue 888: https://github.com/nedbat/coveragepy/issues/888


.. _changes_61:

6.1

------------------------

- Deprecated: The ``annotate`` command and the ``Coverage.annotate`` function
will be removed in a future version, unless people let me know that they are
using it.  Instead, the ``html`` command gives better-looking (and more
accurate) output, and the ``report -m`` command will tell you line numbers of
missing lines.  Please get in touch if you have a reason to use ``annotate``
over those better options: nednedbatchelder.com.

- Feature: Coverage now sets an environment variable, ``COVERAGE_RUN`` when
running your code with the ``coverage run`` command.  The value is not
important, and may change in the future.  Closes `issue 553`_.

- Feature: The HTML report pages for Python source files now have a sticky
header so the file name and controls are always visible.

- Feature: The ``xml`` and ``json`` commands now describe what they wrote
where.

- Feature: The ``html``, ``combine``, ``xml``, and ``json`` commands all accept
a ``-q/--quiet`` option to suppress the messages they write to stdout about
what they are doing (`issue 1254`_).

- Feature: The ``html`` command writes a ``.gitignore`` file into the HTML
output directory, to prevent the report from being committed to git.  If you
want to commit it, you will need to delete that file.  Closes `issue 1244`_.

- Feature: Added support for PyPy 3.8.

- Fix: More generated code is now excluded from measurement.  Code such as
`attrs`_ boilerplate, or doctest code, was being measured though the
synthetic line numbers meant they were never reported.  Once Cython was
involved though, the generated .so files were parsed as Python, raising
syntax errors, as reported in `issue 1160`_.  This is now fixed.

- Fix: When sorting human-readable names, numeric components are sorted
correctly: file10.py will appear after file9.py.  This applies to file names,
module names, environment variables, and test contexts.

- Performance: Branch coverage measurement is faster, though you might only
notice on code that is executed many times, such as long-running loops.

- Build: jQuery is no longer used or vendored (`issue 840`_ and `issue 1118`_).
Huge thanks to Nils Kattenbeck (septatrix) for the conversion to vanilla
JavaScript in `pull request 1248`_.

.. _issue 553: https://github.com/nedbat/coveragepy/issues/553
.. _issue 840: https://github.com/nedbat/coveragepy/issues/840
.. _issue 1118: https://github.com/nedbat/coveragepy/issues/1118
.. _issue 1160: https://github.com/nedbat/coveragepy/issues/1160
.. _issue 1244: https://github.com/nedbat/coveragepy/issues/1244
.. _pull request 1248: https://github.com/nedbat/coveragepy/pull/1248
.. _issue 1254: https://github.com/nedbat/coveragepy/issues/1254
.. _attrs: https://www.attrs.org/


.. _changes_602:

6.0.2

--------------------------

- Namespace packages being measured weren&#x27;t properly handled by the new code
that ignores third-party packages. If the namespace package was installed, it
was ignored as a third-party package.  That problem (`issue 1231`_) is now
fixed.

- Packages named as &quot;source packages&quot; (with ``source``, or ``source_pkgs``, or
pytest-cov&#x27;s ``--cov``) might have been only partially measured.  Their
top-level statements could be marked as un-executed, because they were
imported by coverage.py before measurement began (`issue 1232`_).  This is
now fixed, but the package will be imported twice, once by coverage.py, then
again by your test suite.  This could cause problems if importing the package
has side effects.

- The :meth:`.CoverageData.contexts_by_lineno` method was documented to return
a dict, but was returning a defaultdict.  Now it returns a plain dict.  It
also no longer returns negative numbered keys.

.. _issue 1231: https://github.com/nedbat/coveragepy/issues/1231
.. _issue 1232: https://github.com/nedbat/coveragepy/issues/1232


.. _changes_601:

6.0.1

--------------------------

- In 6.0, the coverage.py exceptions moved from coverage.misc to
coverage.exceptions. These exceptions are not part of the public supported
API, CoverageException is. But a number of other third-party packages were
importing the exceptions from coverage.misc, so they are now available from
there again (`issue 1226`_).

- Changed an internal detail of how tomli is imported, so that tomli can use
coverage.py for their own test suite (`issue 1228`_).

- Defend against an obscure possibility under code obfuscation, where a
function can have an argument called &quot;self&quot;, but no local named &quot;self&quot;
(`pull request 1210`_).  Thanks, Ben Carlsson.

.. _pull request 1210: https://github.com/nedbat/coveragepy/pull/1210
.. _issue 1226: https://github.com/nedbat/coveragepy/issues/1226
.. _issue 1228: https://github.com/nedbat/coveragepy/issues/1228


.. _changes_60:

6.0

------------------------

- The ``coverage html`` command now prints a message indicating where the HTML
report was written.  Fixes `issue 1195`_.

- The ``coverage combine`` command now prints messages indicating each data
file being combined.  Fixes `issue 1105`_.

- The HTML report now includes a sentence about skipped files due to
``skip_covered`` or ``skip_empty`` settings.  Fixes `issue 1163`_.

- Unrecognized options in the configuration file are no longer errors. They are
now warnings, to ease the use of coverage across versions.  Fixes `issue
1035`_.

- Fix handling of exceptions through context managers in Python 3.10. A missing
exception is no longer considered a missing branch from the with statement.
Fixes `issue 1205`_.

- Fix another rarer instance of &quot;Error binding parameter 0 - probably
unsupported type.&quot; (`issue 1010 &lt;issue 1010b_&gt;`_).

- Creating a directory for the coverage data file now is safer against
conflicts when two coverage runs happen simultaneously (`pull 1220`_).
Thanks, Clément Pit-Claudel.

.. _issue 1010b: https://github.com/nedbat/coveragepy/issues/1010
.. _issue 1035: https://github.com/nedbat/coveragepy/issues/1035
.. _issue 1105: https://github.com/nedbat/coveragepy/issues/1105
.. _issue 1163: https://github.com/nedbat/coveragepy/issues/1163
.. _issue 1195: https://github.com/nedbat/coveragepy/issues/1195
.. _issue 1205: https://github.com/nedbat/coveragepy/issues/1205
.. _pull 1220: https://github.com/nedbat/coveragepy/pull/1220


.. _changes_60b1:

6.0b1

--------------------------

- Dropped support for Python 2.7, PyPy 2, and Python 3.5.

- Added support for the Python 3.10 ``match/case`` syntax.

- Data collection is now thread-safe.  There may have been rare instances of
exceptions raised in multi-threaded programs.

- Plugins (like the `Django coverage plugin`_) were generating &quot;Already
imported a file that will be measured&quot; warnings about Django itself.  These
have been fixed, closing `issue 1150`_.

- Warnings generated by coverage.py are now real Python warnings.

- Using ``--fail-under=100`` with coverage near 100% could result in the
self-contradictory message :code:`total of 100 is less than fail-under=100`.
This bug (`issue 1168`_) is now fixed.

- The ``COVERAGE_DEBUG_FILE`` environment variable now accepts ``stdout`` and
``stderr`` to write to those destinations.

- TOML parsing now uses the `tomli`_ library.

- Some minor changes to usually invisible details of the HTML report:

- Use a modern hash algorithm when fingerprinting, for high-security
 environments (`issue 1189`_).  When generating the HTML report, we save the
 hash of the data, to avoid regenerating an unchanged HTML page. We used to
 use MD5 to generate the hash, and now use SHA-3-256.  This was never a
 security concern, but security scanners would notice the MD5 algorithm and
 raise a false alarm.

- Change how report file names are generated, to avoid leading underscores
 (`issue 1167`_), to avoid rare file name collisions (`issue 584`_), and to
 avoid file names becoming too long (`issue 580`_).

.. _Django coverage plugin: https://pypi.org/project/django-coverage-plugin/
.. _issue 580: https://github.com/nedbat/coveragepy/issues/580
.. _issue 584: https://github.com/nedbat/coveragepy/issues/584
.. _issue 1150: https://github.com/nedbat/coveragepy/issues/1150
.. _issue 1167: https://github.com/nedbat/coveragepy/issues/1167
.. _issue 1168: https://github.com/nedbat/coveragepy/issues/1168
.. _issue 1189: https://github.com/nedbat/coveragepy/issues/1189
.. _tomli: https://pypi.org/project/tomli/


.. _changes_56b1:

5.6b1

--------------------------

Note: 5.6 final was never released. These changes are part of 6.0.

- Third-party packages are now ignored in coverage reporting.  This solves a
few problems:

- Coverage will no longer report about other people&#x27;s code (`issue 876`_).
 This is true even when using ``--source=.`` with a venv in the current
 directory.

- Coverage will no longer generate &quot;Already imported a file that will be
 measured&quot; warnings about coverage itself (`issue 905`_).

- The HTML report uses j/k to move up and down among the highlighted chunks of
code.  They used to highlight the current chunk, but 5.0 broke that behavior.
Now the highlighting is working again.

- The JSON report now includes ``percent_covered_display``, a string with the
total percentage, rounded to the same number of decimal places as the other
reports&#x27; totals.

.. _issue 876: https://github.com/nedbat/coveragepy/issues/876
.. _issue 905: https://github.com/nedbat/coveragepy/issues/905


.. _changes_55:

5.5

------------------------

- ``coverage combine`` has a new option, ``--keep`` to keep the original data
files after combining them.  The default is still to delete the files after
they have been combined.  This was requested in `issue 1108`_ and implemented
in `pull request 1110`_.  Thanks, Éric Larivière.

- When reporting missing branches in ``coverage report``, branches aren&#x27;t
reported that jump to missing lines.  This adds to the long-standing behavior
of not reporting branches from missing lines.  Now branches are only reported
if both the source and destination lines are executed.  Closes both `issue
1065`_ and `issue 955`_.

- Minor improvements to the HTML report:

- The state of the line visibility selector buttons is saved in local storage
 so you don&#x27;t have to fiddle with them so often, fixing `issue 1123`_.

- It has a little more room for line numbers so that 4-digit numbers work
 well, fixing `issue 1124`_.

- Improved the error message when combining line and branch data, so that users
will be more likely to understand what&#x27;s happening, closing `issue 803`_.

.. _issue 803: https://github.com/nedbat/coveragepy/issues/803
.. _issue 955: https://github.com/nedbat/coveragepy/issues/955
.. _issue 1065: https://github.com/nedbat/coveragepy/issues/1065
.. _issue 1108: https://github.com/nedbat/coveragepy/issues/1108
.. _pull request 1110: https://github.com/nedbat/coveragepy/pull/1110
.. _issue 1123: https://github.com/nedbat/coveragepy/issues/1123
.. _issue 1124: https://github.com/nedbat/coveragepy/issues/1124


.. _changes_54:

5.4

------------------------

- The text report produced by ``coverage report`` now always outputs a TOTAL
line, even if only one Python file is reported.  This makes regex parsing
of the output easier.  Thanks, Judson Neer.  This had been requested a number
of times (`issue 1086`_, `issue 922`_, `issue 732`_).

- The ``skip_covered`` and ``skip_empty`` settings in the configuration file
can now be specified in the ``[html]`` section, so that text reports and HTML
reports can use separate settings.  The HTML report will still use the
``[report]`` settings if there isn&#x27;t a value in the ``[html]`` section.
Closes `issue 1090`_.

- Combining files on Windows across drives now works properly, fixing `issue
577`_.  Thanks, `Valentin Lab &lt;pr1080_&gt;`_.

- Fix an obscure warning from deep in the _decimal module, as reported in
`issue 1084`_.

- Update to support Python 3.10 alphas in progress, including `PEP 626: Precise
line numbers for debugging and other tools &lt;pep626_&gt;`_.

.. _issue 577: https://github.com/nedbat/coveragepy/issues/577
.. _issue 732: https://github.com/nedbat/coveragepy/issues/732
.. _issue 922: https://github.com/nedbat/coveragepy/issues/922
.. _issue 1084: https://github.com/nedbat/coveragepy/issues/1084
.. _issue 1086: https://github.com/nedbat/coveragepy/issues/1086
.. _issue 1090: https://github.com/nedbat/coveragepy/issues/1090
.. _pr1080: https://github.com/nedbat/coveragepy/pull/1080
.. _pep626: https://www.python.org/dev/peps/pep-0626/


.. _changes_531:

5.3.1

--------------------------

- When using ``--source`` on a large source tree, v5.x was slower than previous
versions.  This performance regression is now fixed, closing `issue 1037`_.

- Mysterious SQLite errors can happen on PyPy, as repo

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