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This PR updates coverage from 7.3.0 to 7.11.0.

Changelog

7.11.0

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

- Dropped support for Python 3.9, declared support for Python 3.15 alpha.


.. _changes_7-10-7:

7.10.7

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

- Performance: with branch coverage in large files, generating HTML, JSON, or
LCOV reports could take far too long due to some quadratic behavior when
creating the function and class index pages.  This is now fixed, closing
`issue 2048`_.  Thanks to Daniel Diniz for help diagnosing the problem.

- Most warnings and a few errors now have links to a page in the docs
explaining the specific message.  Closes `issue 1921`_.

.. _issue 1921: https://github.com/nedbat/coveragepy/issues/1921
.. _issue 2048: https://github.com/nedbat/coveragepy/issues/2048


.. _changes_7-10-6:

7.10.6

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

- Fix: ``source`` directories were not properly communicated to subprocesses
that ran in different directories, as reported in `issue 1499`_.  This is now
fixed.

- Performance: `Alex Gaynor continues fine-tuning <pull 2038_>`_ the speed of
combination, especially with many contexts.

.. _issue 1499: https://github.com/nedbat/coveragepy/issues/1499
.. _pull 2038: https://github.com/nedbat/coveragepy/pull/2038


.. _changes_7-10-5:

7.10.5

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

- Big speed improvements for ``coverage combine``: it's now about twice as
fast! Huge thanks to Alex Gaynor for pull requests `2032 <pull 2032_>`_,
`2033 <pull 2033_>`_, and `2034 <pull 2034_>`_.

.. _pull 2032: https://github.com/nedbat/coveragepy/pull/2032
.. _pull 2033: https://github.com/nedbat/coveragepy/pull/2033
.. _pull 2034: https://github.com/nedbat/coveragepy/pull/2034


.. _changes_7-10-4:

7.10.4

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

- Added ``patch = fork`` for times when the built-in forking support is
insufficient.

- Fix: ``patch = execv`` also inherits the entire coverage configuration now.


.. _changes_7-10-3:

7.10.3

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

- Fixes for ``patch = subprocess``:

- If subprocesses spawned yet more subprocesses simultaneously, some coverage
 could be missed.  This is now fixed, closing `issue 2024`_.

- If subprocesses were created in other directories, their data files were
 stranded there and not combined into the totals, as described in `issue
 2025`_.  This is now fixed.

- On Windows (or maybe only some Windows?) the patch would fail with a
 ``ModuleNotFound`` error trying to import coverage.  This is now fixed,
 closing `issue 2022`_.

- Originally only options set in the coverage configuration file would apply
 to subprocesses.  Options set on the ``coverage run`` command line (such as
 ``--branch``) wouldn't be communicated to the subprocesses.  This could
 lead to combining failures, as described in `issue 2021`_. Now the entire
 configuration is used in subprocesses, regardless of its origin.

- Added ``debug=patch`` to help diagnose problems.

- Fix: really close all SQLite databases, even in-memory ones. Closes `issue
2017`_.

.. _issue 2017: https://github.com/nedbat/coveragepy/issues/2017
.. _issue 2021: https://github.com/nedbat/coveragepy/issues/2021
.. _issue 2022: https://github.com/nedbat/coveragepy/issues/2022
.. _issue 2024: https://github.com/nedbat/coveragepy/issues/2024
.. _issue 2025: https://github.com/nedbat/coveragepy/issues/2025


.. _changes_7-10-2:

7.10.2

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

- Fix: some code with NOP bytecodes could report missing branches that are
actually executed. This is now fixed, closing `issue 1999`_. Python 3.9
still shows the problem.

.. _issue 1999: https://github.com/nedbat/coveragepy/issues/1999


.. _changes_7-10-1:

7.10.1

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

- Fix: the exclusion for ``if TYPE_CHECKING:`` was wrong: it marked the branch
as partial, but it should have been a line exclusion so the entire clause
would be excluded. Improves `issue 831`_.

- Fix: changed where .pth files are written for ``patch = subprocess``, closing
`issue 2006`_.

.. _issue 2006: https://github.com/nedbat/coveragepy/issues/2006


.. _changes_7-10-0:

7.10.0

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

- A new configuration option: ":ref:`config_run_patch`" specifies named patches
to work around some limitations in coverage measurement.  These patches are
available:

- ``patch = _exit`` lets coverage save its data even when :func:`os._exit()
 <python:os._exit>` is used to abruptly end the process.  This closes
 long-standing `issue 310`_ as well as its duplicates: `issue 312`_, `issue
 1673`_, `issue 1845`_, and `issue 1941`_.

- ``patch = subprocess`` measures coverage in Python subprocesses created
 with :mod:`subprocess`, :func:`os.system`, or one of the :func:`execv
 <python:os.execl>` or :func:`spawnv <python:os.spawnl>` family of
 functions. Closes old `issue 367`_, its duplicate `issue 378`_ and old
 `issue 689`_.

- ``patch = execv`` adjusts the :func:`execv <python:os.execl>` family of
 functions to save coverage data before ending the current program and
 starting the next. Not available on Windows. Closes `issue 43`_ after 15
 years!

- The HTML report now dimly colors subsequent lines in multi-line statements.
They used to have no color.  This gives a better indication of the amount of
code missing in the report.  Closes `issue 1308`_.

- Two new exclusion patterns are part of the defaults: ``...`` is automatically
excluded as a line and ``if TYPE_CHECKING:`` is excluded as a branch.  Closes
`issue 831`_.

- A new command-line option: ``--save-signal=USR1`` specifies a signal that
coverage.py will listen for.  When the signal is sent, the coverage data will
be saved.  This makes it possible to save data from within long-running
processes.  Thanks, `Arkady Gilinsky <pull 1998_>`_.

- A new configuration option: ":ref:`config_report_partial_also`" is a list of
regexes to add as pragmas for partial branches.  This parallels the
":ref:`config_report_exclude_also`" setting for adding line exclusion
patterns.

- A few file path configuration settings didn't allow for tilde expansion:
:ref:`config_json_output`, :ref:`config_lcov_output` and
:ref:`config_run_debug_file`.  This is now fixed.

- Wheels are included for 3.14 now that 3.14 rc1 is available.

- We no longer ship a PyPy-specific wheel. PyPy will install the pure-Python
wheel.  Closes `issue 2001`_.

- In the very unusual situation of not having a current frame, coverage no
longer crashes when using the sysmon core, fixing `issue 2005`_.

.. _issue 43: https://github.com/nedbat/coveragepy/issues/43
.. _issue 310: https://github.com/nedbat/coveragepy/issues/310
.. _issue 312: https://github.com/nedbat/coveragepy/issues/312
.. _issue 367: https://github.com/nedbat/coveragepy/issues/367
.. _issue 378: https://github.com/nedbat/coveragepy/issues/378
.. _issue 689: https://github.com/nedbat/coveragepy/issues/689
.. _issue 831: https://github.com/nedbat/coveragepy/issues/831
.. _issue 1308: https://github.com/nedbat/coveragepy/issues/1308
.. _issue 1673: https://github.com/nedbat/coveragepy/issues/1673
.. _issue 1845: https://github.com/nedbat/coveragepy/issues/1845
.. _issue 1941: https://github.com/nedbat/coveragepy/issues/1941
.. _pull 1998: https://github.com/nedbat/coveragepy/pull/1998
.. _issue 2001: https://github.com/nedbat/coveragepy/issues/2001
.. _issue 2005: https://github.com/nedbat/coveragepy/issues/2005

.. _changes_7-9-2:

7.9.2

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

- Fix: complex conditionals within a line might cause a KeyError when using
sys.monitoring, as reported in `issue 1991`_.  This is now fixed.

- Fix: we can now measure coverage for code in Python archive (.par) files.
Thanks, `Itamer Oren <pull 1984_>`_.

.. _pull 1984: https://github.com/nedbat/coveragepy/pull/1984
.. _issue 1991: https://github.com/nedbat/coveragepy/issues/1991


.. _changes_7-9-1:

7.9.1

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

- The "no-ctracer" warning is not issued for Python pre-release versions.
Coverage doesn't ship compiled wheels for those versions, so this was far too
noisy.

- On Python 3.14+, the "sysmon" core is now the default if it's supported for
your configuration.  Plugins and dynamic contexts are still not supported
with it.


.. _changes_7-9-0:

7.9.0

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

- Added a ``[run] core`` configuration setting to specify the measurement core,
which was previously only available through the COVERAGE_CORE environment
variable. Finishes `issue 1746`_.

- Fixed incorrect rendering of f-strings with doubled braces, closing `issue
1980`_.

- If the C tracer core can't be imported, a warning ("no-ctracer") is issued
with the reason.

- The C tracer core extension module now conforms to `PEP 489`_, closing `issue
1977`_.  Thanks, `Adam Turner <pull 1978_>`_.

- Fixed a "ValueError: min() arg is an empty sequence" error caused by strange
empty modules, found by `oss-fuzz`_.

.. _issue 1746: https://github.com/nedbat/coveragepy/issues/1746
.. _issue 1977: https://github.com/nedbat/coveragepy/issues/1977
.. _pull 1978: https://github.com/nedbat/coveragepy/pull/1978
.. _issue 1980: https://github.com/nedbat/coveragepy/issues/1980
.. _PEP 489: https://peps.python.org/pep-0489
.. _oss-fuzz: https://google.github.io/oss-fuzz/


.. _changes_7-8-2:

7.8.2

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

- Wheels are provided for Windows ARM64 on Python 3.11, 3.12, and 3.13.
Thanks, `Finn Womack <pull 1972_>`_.

.. _issue 1971: https://github.com/nedbat/coveragepy/pull/1971
.. _pull 1972: https://github.com/nedbat/coveragepy/pull/1972

.. _changes_7-8-1:

7.8.1

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

- A number of EncodingWarnings were fixed that could appear if you've enabled
PYTHONWARNDEFAULTENCODING, fixing `issue 1966`_.  Thanks, `Henry Schreiner
<pull 1967_>`_.

- Fixed a race condition when using sys.monitoring with free-threading Python,
closing `issue 1970`_.

.. _issue 1966: https://github.com/nedbat/coveragepy/issues/1966
.. _pull 1967: https://github.com/nedbat/coveragepy/pull/1967
.. _issue 1970: https://github.com/nedbat/coveragepy/issues/1970

.. _changes_7-8-0:

7.8.0

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

- Added a new ``source_dirs`` setting for symmetry with the existing
``source_pkgs`` setting. It's preferable to the existing ``source`` setting,
because you'll get a clear error when directories don't exist. Fixes `issue
1942`_.  Thanks, `Jeremy Fleischman <pull 1943_>`_.

- Fix: the PYTHONSAFEPATH environment variable new in Python 3.11 is properly
supported, closing `issue 1696`_.  Thanks, `Philipp A. <pull 1700_>`_.  This
works properly except for a detail when using the ``coverage`` command on
Windows.  There you can use ``python -m coverage`` instead if you need exact
emulation.

.. _issue 1696: https://github.com/nedbat/coveragepy/issues/1696
.. _pull 1700: https://github.com/nedbat/coveragepy/pull/1700
.. _issue 1942: https://github.com/nedbat/coveragepy/issues/1942
.. _pull 1943: https://github.com/nedbat/coveragepy/pull/1943

.. _changes_7-7-1:

7.7.1

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

- A few small tweaks to the sys.monitoring support for Python 3.14.  Please
test!


.. _changes_7-7-0:

7.7.0

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

- The Coverage object has a new method, :meth:`.Coverage.branch_stats` for
getting simple branch information for a module.  Closes `issue 1888`_.

- The :class:`Coverage constructor<.Coverage>` now has a ``plugins`` parameter
for passing in plugin objects directly, thanks to `Alex Gaynor <pull
1919_>`_.

- Many constant tests in if statements are now recognized as being optimized
away.  For example, previously ``if 13:`` would have been considered a branch
with one path not taken.  Now it is understood as always true and no coverage
is missing.

- The experimental sys.monitoring support now works for branch coverage if you
are using Python 3.14.0 alpha 6 or newer.  This should reduce the overhead
coverage.py imposes on your test suite. Set the environment variable
``COVERAGE_CORE=sysmon`` to try it out.

- Confirmed support for PyPy 3.11. Thanks Michał Górny.

.. _issue 1888: https://github.com/nedbat/coveragepy/issues/1888
.. _pull 1919: https://github.com/nedbat/coveragepy/pull/1919


.. _changes_7-6-12:

7.6.12

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

- Fix: some aarch64 distributions were missing (`issue 1927`_).  These are now
building reliably.

.. _issue 1927: https://github.com/nedbat/coveragepy/issues/1927

.. _changes_7-6-11:

7.6.11

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

- Fix: a memory leak in CTracer has been fixed.  The details are in `issue
1924`_ and `pytest-dev 676`_.  This should reduce the memory footprint for
everyone even if it hadn't caused a problem before.

- We now ship a py3-none-any.whl wheel file.  Thanks, `Russell Keith-Magee
<pull 1914_>`_.

.. _pull 1914: https://github.com/nedbat/coveragepy/pull/1914
.. _issue 1924: https://github.com/nedbat/coveragepy/issues/1924
.. _pytest-dev 676: https://github.com/pytest-dev/pytest-cov/issues/676

.. _changes_7-6-10:

7.6.10

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

- Fix: some descriptions of missing branches in HTML and LCOV reports were
incorrect when multi-line statements were involved (`issue 1874`_ and `issue
1875`_).  These are now fixed.

- Fix: Python 3.14 `defers evaluation of annotations <pep649_>`_ by moving them
into separate code objects.  That code is rarely executed, so coverage.py
would mark them as missing, as reported in `issue 1908`_.  Now they are
ignored by coverage automatically.

- Fixed an obscure and mysterious problem on PyPy 3.10 seemingly involving
mocks, imports, and trace functions: `issue 1902`_.  To be honest, I don't
understand the problem or the solution, but ``git bisect`` helped find it,
and now it's fixed.

- Docs: re-wrote the :ref:`subprocess` page to put multiprocessing first and to
highlight the correct use of :class:`multiprocessing.Pool
<python:multiprocessing.pool.Pool>`.

.. _issue 1874: https://github.com/nedbat/coveragepy/issues/1874
.. _issue 1875: https://github.com/nedbat/coveragepy/issues/1875
.. _issue 1902: https://github.com/nedbat/coveragepy/issues/1902
.. _issue 1908: https://github.com/nedbat/coveragepy/issues/1908
.. _pep649: https://docs.python.org/3.14/whatsnew/3.14.html#whatsnew314-deferred-annotations


.. _changes_7-6-9:

7.6.9

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

- Fix: `Tomas Uribe fixed <pull 1901_>`_ a performance problem in the XML
report.  Large code bases should produce XML reports much faster now.

.. _pull 1901: https://github.com/nedbat/coveragepy/pull/1901


.. _changes_7-6-8:

7.6.8

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

- Fix: the LCOV report code assumed that a branch line that took no branches
meant that the entire line was unexecuted.  This isn't true in a few cases:
the line might always raise an exception, or might have been optimized away.
Fixes `issue 1896`_.

- Fix: similarly, the HTML report will now explain that a line that jumps to
none of its expected destinations must have always raised an exception.
Previously, it would say something nonsensical like, "line 4 didn't jump to
line 5 because line 4 was never true, and it didn't jump to line 7 because
line 4 was always true."  This was also shown in `issue 1896`_.

.. _issue 1896: https://github.com/nedbat/coveragepy/issues/1896


.. _changes_7-6-7:

7.6.7

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

- Fix: ugh, the other assert from 7.6.5 can also be encountered in the wild,
so it's been restored to a conditional.  Sorry for the churn.


.. _changes_7-6-6:

7.6.6

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

- One of the new asserts from 7.6.5 caused problems in real projects, as
reported in `issue 1891`_.  The assert has been removed.

.. _issue 1891: https://github.com/nedbat/coveragepy/issues/1891


.. _changes_7-6-5:

7.6.5

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

- Fix: fine-tuned the exact Python version (3.12.6) when exiting from ``with``
statements changed how they traced.  This affected whether people saw the
fix for `issue 1880`_.

- Fix: isolate our code more from mocking in the os module that in rare cases
can cause `bizarre behavior <pytest-cov-666_>`_.

- Refactor: some code unreachable code paths in parser.py were changed to
asserts.  If you encounter any of these, please let me know!

.. _pytest-cov-666: https://github.com/pytest-dev/pytest-cov/issues/666


.. _changes_7-6-4:

7.6.4

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

- Fix: multi-line ``with`` statements could cause contained branches to be
incorrectly marked as missing (`issue 1880`_).  This is now fixed.

.. _issue 1880: https://github.com/nedbat/coveragepy/issues/1880


.. _changes_7-6-3:

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
"didn't," 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't
complete execution.  Closes `issue 1852`_.

- Fix: the HTML report didn'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 <pull 1838_>`_.

- 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 <config_lcov_line_checksums>` 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 <pull 1843_>`_.

.. _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
<python:runpy.run_path>` with a :class:`Path <python:pathlib.Path>` argument.
This is now fixed, thanks to `Ask Hjorth Larsen <pull 1819_>`_.

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

- 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 <pull
1807_>`_.  This enables many interesting exclusion use-cases, including those
requested in issues `118 <issue 118_>`_ (entire files), `996
<issue 996_>`_ (multiple lines only when appearing together), `1741
<issue 1741_>`_ (remainder of a function), and `1803 <issue 1803_>`_
(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 <pull 1809_>`_ for getting the work started. This
closes `issue 1793`_ and `issue 1532`_.

- Fixed an incorrect calculation of "(no class)" 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 "Can't combine arc data with line
data" or its reverse, "Can't combine line data with arc data."  These
messages used internal terminology, making it hard for people to understand
the problem.  They are now changed to mention "branch coverage data" and
"statement coverage data."

- 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'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'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 "hide covered" checkbox settings are
remembered between viewings, thanks to `Daniel Diniz <pull 1776_>`_.

- 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
<pull 1788_>`_. 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 <pull 1773_>`_.

- Fix: very complex source files like `this one <resolvent_lookup_>`_ 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 "the condition was never
 false" now read "the condition was always true" because it's easier to
 understand.

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


.. _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'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 "hide covered" 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 "previous file" shortcut key didn'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't taking effect,
and is renamed from "attempted_config_files" to the more logical
"config_files_attempted."

- 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'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 <pull 1754_>`_.  It is also now documented
on the :ref:`configuration page <config_report_format>`.

.. _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: "Set changed
size during iteration." 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 <pull 1747_>`_.  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 <python:sys.monitoring>` 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'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't select the line
numbers also. Thanks, `Robert Harris <pull 1717_>`_.

.. _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 <pull 1705_>`_.

- 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't expect it to keep up with other new features though.

- Added new :ref:`debug options <cmd_run_debug>`:

- ``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 <pull 1685_>`_.

- 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 "fullcoverage" feature used by CPython to measure the coverage of
early-imported standard library modules.  CPython `stopped using it
<88054_>`_ 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
<starbad_>`_, who `provided patient detailed diagnosis <pull 1650_>`_ and
graciously agreed to a pragmatic resolution.

- The API docs were missing from the last version. They are now `restored
<apidocs_>`_.

.. _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:
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