Upgrade to coverage 3.7.1 and have it auto-build itself on first use.

third_party/coverage-3.6/CHANGES.txt

Index: third_party/coverage-3.6/CHANGES.txt
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-------------------------------
-Change history for Coverage.py
-------------------------------
-
-Version 3.6 --- 5 January 2013
-------------------------------
-
-- Added a page to the docs about troublesome situations, closing `issue 226`_,
-  and added some info to the TODO file, closing `issue 227`_.
-
-.. _issue 226: https://bitbucket.org/ned/coveragepy/issue/226/make-readme-section-to-describe-when
-.. _issue 227: https://bitbucket.org/ned/coveragepy/issue/227/update-todo
-
-
-Version 3.6b3 --- 29 December 2012
-----------------------------------
-
-- Beta 2 broke the nose plugin. It's fixed again, closing `issue 224`_.
-
-.. _issue 224: https://bitbucket.org/ned/coveragepy/issue/224/36b2-breaks-nosexcover
-
-
-Version 3.6b2 --- 23 December 2012
-----------------------------------
-
-- Coverage.py runs on Python 2.3 and 2.4 again. It was broken in 3.6b1.
-
-- The C extension is optionally compiled using a different more widely-used
-  technique, taking another stab at fixing `issue 80`_ once and for all.
-
-- Combining data files would create entries for phantom files if used with
-  ``source`` and path aliases.  It no longer does.
-
-- ``debug sys`` now shows the configuration file path that was read.
-
-- If an oddly-behaved package claims that code came from an empty-string
-  filename, coverage.py no longer associates it with the directory name,
-  fixing `issue 221`_.
-
-.. _issue 80: https://bitbucket.org/ned/coveragepy/issue/80/is-there-a-duck-typing-way-to-know-we-cant
-.. _issue 221: https://bitbucket.org/ned/coveragepy/issue/221/coveragepy-incompatible-with-pyratemp
-
-
-Version 3.6b1 --- 28 November 2012
-----------------------------------
-
-- Wildcards in ``include=`` and ``omit=`` arguments were not handled properly
-  in reporting functions, though they were when running.  Now they are handled
-  uniformly, closing `issue 143`_ and `issue 163`_.  **NOTE**: it is possible
-  that your configurations may now be incorrect.  If you use ``include`` or
-  ``omit`` during reporting, whether on the command line, through the API, or
-  in a configuration file, please check carefully that you were not relying on
-  the old broken behavior.
-
-- The **report**, **html**, and **xml** commands now accept a ``--fail-under``
-  switch that indicates in the exit status whether the coverage percentage was
-  less than a particular value.  Closes `issue 139`_.
-
-- The reporting functions coverage.report(), coverage.html_report(), and
-  coverage.xml_report() now all return a float, the total percentage covered
-  measurement.
-
-- The HTML report's title can now be set in the configuration file, with the
-  ``--title`` switch on the command line, or via the API.
-
-- Configuration files now support substitution of environment variables, using
-  syntax like ``${WORD}``.  Closes `issue 97`_.
-
-- Embarrassingly, the `[xml] output=` setting in the .coveragerc file simply
-  didn't work.  Now it does.
-
-- The XML report now consistently uses filenames for the filename attribute,
-  rather than sometimes using module names.  Fixes `issue 67`_.
-  Thanks, Marcus Cobden.
-
-- Coverage percentage metrics are now computed slightly differently under
-  branch coverage.  This means that completely unexecuted files will now
-  correctly have 0% coverage, fixing `issue 156`_.  This also means that your
-  total coverage numbers will generally now be lower if you are measuring
-  branch coverage.
-
-- When installing, now in addition to creating a "coverage" command, two new
-  aliases are also installed.  A "coverage2" or "coverage3" command will be
-  created, depending on whether you are installing in Python 2.x or 3.x.
-  A "coverage-X.Y" command will also be created corresponding to your specific
-  version of Python.  Closes `issue 111`_.
-
-- The coverage.py installer no longer tries to bootstrap setuptools or
-  Distribute.  You must have one of them installed first, as `issue 202`_
-  recommended.
-
-- The coverage.py kit now includes docs (closing `issue 137`_) and tests.
-
-- On Windows, files are now reported in their correct case, fixing `issue 89`_
-  and `issue 203`_.
-
-- If a file is missing during reporting, the path shown in the error message
-  is now correct, rather than an incorrect path in the current directory.
-  Fixes `issue 60`_.
-
-- Running an HTML report in Python 3 in the same directory as an old Python 2
-  HTML report would fail with a UnicodeDecodeError. This issue (`issue 193`_)
-  is now fixed.
-
-- Fixed yet another error trying to parse non-Python files as Python, this
-  time an IndentationError, closing `issue 82`_ for the fourth time...
-
-- If `coverage xml` fails because there is no data to report, it used to
-  create a zero-length XML file.  Now it doesn't, fixing `issue 210`_.
-
-- Jython files now work with the ``--source`` option, fixing `issue 100`_.
-
-- Running coverage under a debugger is unlikely to work, but it shouldn't fail
-  with "TypeError: 'NoneType' object is not iterable".  Fixes `issue 201`_.
-
-- On some Linux distributions, when installed with the OS package manager,
-  coverage.py would report its own code as part of the results.  Now it won't,
-  fixing `issue 214`_, though this will take some time to be repackaged by the
-  operating systems.
-
-- Docstrings for the legacy singleton methods are more helpful.  Thanks Marius
-  Gedminas.  Closes `issue 205`_.
-
-- The pydoc tool can now show docmentation for the class `coverage.coverage`.
-  Closes `issue 206`_.
-
-- Added a page to the docs about contributing to coverage.py, closing
-  `issue 171`_.
-
-- When coverage.py ended unsuccessfully, it may have reported odd errors like
-  ``'NoneType' object has no attribute 'isabs'``.  It no longer does,
-  so kiss `issue 153`_ goodbye.
-
-.. _issue 60: https://bitbucket.org/ned/coveragepy/issue/60/incorrect-path-to-orphaned-pyc-files
-.. _issue 67: https://bitbucket.org/ned/coveragepy/issue/67/xml-report-filenames-may-be-generated
-.. _issue 82: https://bitbucket.org/ned/coveragepy/issue/82/tokenerror-when-generating-html-report
-.. _issue 89: https://bitbucket.org/ned/coveragepy/issue/89/on-windows-all-packages-are-reported-in
-.. _issue 97: https://bitbucket.org/ned/coveragepy/issue/97/allow-environment-variables-to-be
-.. _issue 100: https://bitbucket.org/ned/coveragepy/issue/100/source-directive-doesnt-work-for-packages
-.. _issue 111: https://bitbucket.org/ned/coveragepy/issue/111/when-installing-coverage-with-pip-not
-.. _issue 137: https://bitbucket.org/ned/coveragepy/issue/137/provide-docs-with-source-distribution
-.. _issue 139: https://bitbucket.org/ned/coveragepy/issue/139/easy-check-for-a-certain-coverage-in-tests
-.. _issue 143: https://bitbucket.org/ned/coveragepy/issue/143/omit-doesnt-seem-to-work-in-coverage
-.. _issue 153: https://bitbucket.org/ned/coveragepy/issue/153/non-existent-filename-triggers
-.. _issue 156: https://bitbucket.org/ned/coveragepy/issue/156/a-completely-unexecuted-file-shows-14
-.. _issue 163: https://bitbucket.org/ned/coveragepy/issue/163/problem-with-include-and-omit-filename
-.. _issue 171: https://bitbucket.org/ned/coveragepy/issue/171/how-to-contribute-and-run-tests
-.. _issue 193: https://bitbucket.org/ned/coveragepy/issue/193/unicodedecodeerror-on-htmlpy
-.. _issue 201: https://bitbucket.org/ned/coveragepy/issue/201/coverage-using-django-14-with-pydb-on
-.. _issue 202: https://bitbucket.org/ned/coveragepy/issue/202/get-rid-of-ez_setuppy-and
-.. _issue 203: https://bitbucket.org/ned/coveragepy/issue/203/duplicate-filenames-reported-when-filename
-.. _issue 205: https://bitbucket.org/ned/coveragepy/issue/205/make-pydoc-coverage-more-friendly
-.. _issue 206: https://bitbucket.org/ned/coveragepy/issue/206/pydoc-coveragecoverage-fails-with-an-error
-.. _issue 210: https://bitbucket.org/ned/coveragepy/issue/210/if-theres-no-coverage-data-coverage-xml
-.. _issue 214: https://bitbucket.org/ned/coveragepy/issue/214/coveragepy-measures-itself-on-precise
-
-
-Version 3.5.3 --- 29 September 2012
------------------------------------
-
-- Line numbers in the HTML report line up better with the source lines, fixing
-  `issue 197`_, thanks Marius Gedminas.
-
-- When specifying a directory as the source= option, the directory itself no
-  longer needs to have a ``__init__.py`` file, though its subdirectories do, to
-  be considered as source files.
-
-- Files encoded as UTF-8 with a BOM are now properly handled, fixing
-  `issue 179`_.  Thanks, Pablo Carballo.
-
-- Fixed more cases of non-Python files being reported as Python source, and
-  then not being able to parse them as Python.  Closes `issue 82`_ (again).
-  Thanks, Julian Berman.
-
-- Fixed memory leaks under Python 3, thanks, Brett Cannon. Closes `issue 147`_.
-
-- Optimized .pyo files may not have been handled correctly, `issue 195`_.
-  Thanks, Marius Gedminas.
-
-- Certain unusually named file paths could have been mangled during reporting,
-  `issue 194`_.  Thanks, Marius Gedminas.
-
-- Try to do a better job of the impossible task of detecting when we can't
-  build the C extension, fixing `issue 183`_.
-
-- Testing is now done with `tox`_, thanks, Marc Abramowitz.
-
-.. _issue 82: https://bitbucket.org/ned/coveragepy/issue/82/tokenerror-when-generating-html-report
-.. _issue 147: https://bitbucket.org/ned/coveragepy/issue/147/massive-memory-usage-by-ctracer
-.. _issue 179: https://bitbucket.org/ned/coveragepy/issue/179/htmlreporter-fails-when-source-file-is
-.. _issue 183: https://bitbucket.org/ned/coveragepy/issue/183/install-fails-for-python-23
-.. _issue 194: https://bitbucket.org/ned/coveragepy/issue/194/filelocatorrelative_filename-could-mangle
-.. _issue 195: https://bitbucket.org/ned/coveragepy/issue/195/pyo-file-handling-in-codeunit
-.. _issue 197: https://bitbucket.org/ned/coveragepy/issue/197/line-numbers-in-html-report-do-not-align
-.. _tox: http://tox.readthedocs.org/
-
-
-
-Version 3.5.2 --- 4 May 2012
-----------------------------
-
-No changes since 3.5.2.b1
-
-
-Version 3.5.2b1 --- 29 April 2012
----------------------------------
-
-- The HTML report has slightly tweaked controls: the buttons at the top of
-  the page are color-coded to the source lines they affect.
-
-- Custom CSS can be applied to the HTML report by specifying a CSS file as
-  the extra_css configuration value in the [html] section.
-
-- Source files with custom encodings declared in a comment at the top are now
-  properly handled during reporting on Python 2.  Python 3 always handled them
-  properly.  This fixes `issue 157`_.
-
-- Backup files left behind by editors are no longer collected by the source=
-  option, fixing `issue 168`_.
-
-- If a file doesn't parse properly as Python, we don't report it as an error
-  if the filename seems like maybe it wasn't meant to be Python.  This is a
-  pragmatic fix for `issue 82`_.
-
-- The ``-m`` switch on ``coverage report``, which includes missing line numbers
-  in the summary report, can now be specifed as ``show_missing`` in the
-  config file.  Closes `issue 173`_.
-
-- When running a module with ``coverage run -m <modulename>``, certain details
-  of the execution environment weren't the same as for
-  ``python -m <modulename>``.  This had the unfortunate side-effect of making
-  ``coverage run -m unittest discover`` not work if you had tests in a
-  directory named "test".  This fixes `issue 155`_.
-
-- Now the exit status of your product code is properly used as the process
-  status when running ``python -m coverage run ...``.  Thanks, JT Olds.
-
-- When installing into pypy, we no longer attempt (and fail) to compile
-  the C tracer function, closing `issue 166`_.
-
-.. _issue 82: https://bitbucket.org/ned/coveragepy/issue/82/tokenerror-when-generating-html-report
-.. _issue 155: https://bitbucket.org/ned/coveragepy/issue/155/cant-use-coverage-run-m-unittest-discover
-.. _issue 157: https://bitbucket.org/ned/coveragepy/issue/157/chokes-on-source-files-with-non-utf-8
-.. _issue 166: https://bitbucket.org/ned/coveragepy/issue/166/dont-try-to-compile-c-extension-on-pypy
-.. _issue 168: https://bitbucket.org/ned/coveragepy/issue/168/dont-be-alarmed-by-emacs-droppings
-.. _issue 173: https://bitbucket.org/ned/coveragepy/issue/173/theres-no-way-to-specify-show-missing-in
-
-
-Version 3.5.1 --- 23 September 2011
------------------------------------
-
-- The ``[paths]`` feature unfortunately didn't work in real world situations
-  where you wanted to, you know, report on the combined data.  Now all paths
-  stored in the combined file are canonicalized properly.
-
-
-Version 3.5.1b1 --- 28 August 2011
-----------------------------------
-
-- When combining data files from parallel runs, you can now instruct coverage
-  about which directories are equivalent on different machines.  A ``[paths]``
-  section in the configuration file lists paths that are to be considered
-  equivalent.  Finishes `issue 17`_.
-
-- for-else constructs are understood better, and don't cause erroneous partial
-  branch warnings.  Fixes `issue 122`_.
-
-- Branch coverage for ``with`` statements is improved, fixing `issue 128`_.
-
-- The number of partial branches reported on the HTML summary page was
-  different than the number reported on the individual file pages.  This is
-  now fixed.
-
-- An explicit include directive to measure files in the Python installation
-  wouldn't work because of the standard library exclusion.  Now the include
-  directive takes precendence, and the files will be measured.  Fixes
-  `issue 138`_.
-
-- The HTML report now handles Unicode characters in Python source files
-  properly.  This fixes `issue 124`_ and `issue 144`_. Thanks, Devin
-  Jeanpierre.
-
-- In order to help the core developers measure the test coverage of the
-  standard library, Brandon Rhodes devised an aggressive hack to trick Python
-  into running some coverage code before anything else in the process.
-  See the coverage/fullcoverage directory if you are interested.
-
-.. _issue 17: http://bitbucket.org/ned/coveragepy/issue/17/support-combining-coverage-data-from
-.. _issue 122: http://bitbucket.org/ned/coveragepy/issue/122/for-else-always-reports-missing-branch
-.. _issue 124: http://bitbucket.org/ned/coveragepy/issue/124/no-arbitrary-unicode-in-html-reports-in
-.. _issue 128: http://bitbucket.org/ned/coveragepy/issue/128/branch-coverage-of-with-statement-in-27
-.. _issue 138: http://bitbucket.org/ned/coveragepy/issue/138/include-should-take-precedence-over-is
-.. _issue 144: http://bitbucket.org/ned/coveragepy/issue/144/failure-generating-html-output-for
-
-
-Version 3.5 --- 29 June 2011
-----------------------------
-
-- The HTML report hotkeys now behave slightly differently when the current
-  chunk isn't visible at all:  a chunk on the screen will be selected,
-  instead of the old behavior of jumping to the literal next chunk.
-  The hotkeys now work in Google Chrome.  Thanks, Guido van Rossum.
-
-
-Version 3.5b1 --- 5 June 2011
------------------------------
-
-- The HTML report now has hotkeys.  Try ``n``, ``s``, ``m``, ``x``, ``b``,
-  ``p``, and ``c`` on the overview page to change the column sorting.
-  On a file page, ``r``, ``m``, ``x``, and ``p`` toggle the run, missing,
-  excluded, and partial line markings.  You can navigate the highlighted
-  sections of code by using the ``j`` and ``k`` keys for next and previous.
-  The ``1`` (one) key jumps to the first highlighted section in the file,
-  and ``0`` (zero) scrolls to the top of the file.
-
-- The ``--omit`` and ``--include`` switches now interpret their values more
-  usefully.  If the value starts with a wildcard character, it is used as-is.
-  If it does not, it is interpreted relative to the current directory.
-  Closes `issue 121`_.
-
-- Partial branch warnings can now be pragma'd away.  The configuration option
-  ``partial_branches`` is a list of regular expressions.  Lines matching any of
-  those expressions will never be marked as a partial branch.  In addition,
-  there's a built-in list of regular expressions marking statements which should
-  never be marked as partial.  This list includes ``while True:``, ``while 1:``,
-  ``if 1:``, and ``if 0:``.
-
-- The ``coverage()`` constructor accepts single strings for the ``omit=`` and
-  ``include=`` arguments, adapting to a common error in programmatic use.
-
-- Modules can now be run directly using ``coverage run -m modulename``, to
-  mirror Python's ``-m`` flag.  Closes `issue 95`_, thanks, Brandon Rhodes.
-
-- ``coverage run`` didn't emulate Python accurately in one small detail: the
-  current directory inserted into ``sys.path`` was relative rather than
-  absolute. This is now fixed.
-
-- HTML reporting is now incremental: a record is kept of the data that
-  produced the HTML reports, and only files whose data has changed will
-  be generated.  This should make most HTML reporting faster.
-
-- Pathological code execution could disable the trace function behind our
-  backs, leading to incorrect code measurement.  Now if this happens,
-  coverage.py will issue a warning, at least alerting you to the problem.
-  Closes `issue 93`_.  Thanks to Marius Gedminas for the idea.
-
-- The C-based trace function now behaves properly when saved and restored
-  with ``sys.gettrace()`` and ``sys.settrace()``.  This fixes `issue 125`_
-  and `issue 123`_.  Thanks, Devin Jeanpierre.
-
-- Source files are now opened with Python 3.2's ``tokenize.open()`` where
-  possible, to get the best handling of Python source files with encodings.
-  Closes `issue 107`_, thanks, Brett Cannon.
-
-- Syntax errors in supposed Python files can now be ignored during reporting
-  with the ``-i`` switch just like other source errors.  Closes `issue 115`_.
-
-- Installation from source now succeeds on machines without a C compiler,
-  closing `issue 80`_.
-
-- Coverage.py can now be run directly from a working tree by specifying
-  the directory name to python:  ``python coverage_py_working_dir run ...``.
-  Thanks, Brett Cannon.
-
-- A little bit of Jython support: `coverage run` can now measure Jython
-  execution by adapting when $py.class files are traced. Thanks, Adi Roiban.
-  Jython still doesn't provide the Python libraries needed to make
-  coverage reporting work, unfortunately.
-
-- Internally, files are now closed explicitly, fixing `issue 104`_.  Thanks,
-  Brett Cannon.
-
-.. _issue 80: https://bitbucket.org/ned/coveragepy/issue/80/is-there-a-duck-typing-way-to-know-we-cant
-.. _issue 93: http://bitbucket.org/ned/coveragepy/issue/93/copying-a-mock-object-breaks-coverage
-.. _issue 95: https://bitbucket.org/ned/coveragepy/issue/95/run-subcommand-should-take-a-module-name
-.. _issue 104: https://bitbucket.org/ned/coveragepy/issue/104/explicitly-close-files
-.. _issue 107: https://bitbucket.org/ned/coveragepy/issue/107/codeparser-not-opening-source-files-with
-.. _issue 115: https://bitbucket.org/ned/coveragepy/issue/115/fail-gracefully-when-reporting-on-file
-.. _issue 121: https://bitbucket.org/ned/coveragepy/issue/121/filename-patterns-are-applied-stupidly
-.. _issue 123: https://bitbucket.org/ned/coveragepy/issue/123/pyeval_settrace-used-in-way-that-breaks
-.. _issue 125: https://bitbucket.org/ned/coveragepy/issue/125/coverage-removes-decoratortoolss-tracing
-
-
-Version 3.4 --- 19 September 2010
----------------------------------
-
-- The XML report is now sorted by package name, fixing `issue 88`_.
-
-- Programs that exited with ``sys.exit()`` with no argument weren't handled
-  properly, producing a coverage.py stack trace.  That is now fixed.
-
-.. _issue 88: http://bitbucket.org/ned/coveragepy/issue/88/xml-report-lists-packages-in-random-order
-
-
-Version 3.4b2 --- 6 September 2010
-----------------------------------
-
-- Completely unexecuted files can now be included in coverage results, reported
-  as 0% covered.  This only happens if the --source option is specified, since
-  coverage.py needs guidance about where to look for source files.
-
-- The XML report output now properly includes a percentage for branch coverage,
-  fixing `issue 65`_ and `issue 81`_.
-
-- Coverage percentages are now displayed uniformly across reporting methods.
-  Previously, different reports could round percentages differently.  Also,
-  percentages are only reported as 0% or 100% if they are truly 0 or 100, and
-  are rounded otherwise.  Fixes `issue 41`_ and `issue 70`_.
-
-- The precision of reported coverage percentages can be set with the
-  ``[report] precision`` config file setting.  Completes `issue 16`_.
-
-- Threads derived from ``threading.Thread`` with an overridden `run` method
-  would report no coverage for the `run` method.  This is now fixed, closing
-  `issue 85`_.
-
-.. _issue 16: http://bitbucket.org/ned/coveragepy/issue/16/allow-configuration-of-accuracy-of-percentage-totals
-.. _issue 41: http://bitbucket.org/ned/coveragepy/issue/41/report-says-100-when-it-isnt-quite-there
-.. _issue 65: http://bitbucket.org/ned/coveragepy/issue/65/branch-option-not-reported-in-cobertura
-.. _issue 70: http://bitbucket.org/ned/coveragepy/issue/70/text-report-and-html-report-disagree-on-coverage
-.. _issue 81: http://bitbucket.org/ned/coveragepy/issue/81/xml-report-does-not-have-condition-coverage-attribute-for-lines-with-a
-.. _issue 85: http://bitbucket.org/ned/coveragepy/issue/85/threadrun-isnt-measured
-
-
-Version 3.4b1 --- 21 August 2010
---------------------------------
-
-- BACKWARD INCOMPATIBILITY: the ``--omit`` and ``--include`` switches now take
-  file patterns rather than file prefixes, closing `issue 34`_ and `issue 36`_.
-
-- BACKWARD INCOMPATIBILITY: the `omit_prefixes` argument is gone throughout
-  coverage.py, replaced with `omit`, a list of filename patterns suitable for
-  `fnmatch`.  A parallel argument `include` controls what files are included.
-
-- The run command now has a ``--source`` switch, a list of directories or
-  module names.  If provided, coverage.py will only measure execution in those
-  source files.
-
-- Various warnings are printed to stderr for problems encountered during data
-  measurement: if a ``--source`` module has no Python source to measure, or is
-  never encountered at all, or if no data is collected.
-
-- The reporting commands (report, annotate, html, and xml) now have an
-  ``--include`` switch to restrict reporting to modules matching those file
-  patterns, similar to the existing ``--omit`` switch. Thanks, Zooko.
-
-- The run command now supports ``--include`` and ``--omit`` to control what
-  modules it measures. This can speed execution and reduce the amount of data
-  during reporting. Thanks Zooko.
-
-- Since coverage.py 3.1, using the Python trace function has been slower than
-  it needs to be.  A cache of tracing decisions was broken, but has now been
-  fixed.
-
-- Python 2.7 and 3.2 have introduced new opcodes that are now supported.
-
-- Python files with no statements, for example, empty ``__init__.py`` files,
-  are now reported as having zero statements instead of one.  Fixes `issue 1`_.
-
-- Reports now have a column of missed line counts rather than executed line
-  counts, since developers should focus on reducing the missed lines to zero,
-  rather than increasing the executed lines to varying targets.  Once
-  suggested, this seemed blindingly obvious.
-
-- Line numbers in HTML source pages are clickable, linking directly to that
-  line, which is highlighted on arrival.  Added a link back to the index page
-  at the bottom of each HTML page.
-
-- Programs that call ``os.fork`` will properly collect data from both the child
-  and parent processes.  Use ``coverage run -p`` to get two data files that can
-  be combined with ``coverage combine``.  Fixes `issue 56`_.
-
-- Coverage is now runnable as a module: ``python -m coverage``.  Thanks,
-  Brett Cannon.
-
-- When measuring code running in a virtualenv, most of the system library was
-  being measured when it shouldn't have been.  This is now fixed.
-
-- Doctest text files are no longer recorded in the coverage data, since they
-  can't be reported anyway.  Fixes `issue 52`_ and `issue 61`_.
-
-- Jinja HTML templates compile into Python code using the HTML filename,
-  which confused coverage.py.  Now these files are no longer traced, fixing
-  `issue 82`_.
-
-- Source files can have more than one dot in them (foo.test.py), and will be
-  treated properly while reporting.  Fixes `issue 46`_.
-
-- Source files with DOS line endings are now properly tokenized for syntax
-  coloring on non-DOS machines.  Fixes `issue 53`_.
-
-- Unusual code structure that confused exits from methods with exits from
-  classes is now properly analyzed.  See `issue 62`_.
-
-- Asking for an HTML report with no files now shows a nice error message rather
-  than a cryptic failure ('int' object is unsubscriptable). Fixes `issue 59`_.
-
-.. _issue 1:  http://bitbucket.org/ned/coveragepy/issue/1/empty-__init__py-files-are-reported-as-1-executable
-.. _issue 34: http://bitbucket.org/ned/coveragepy/issue/34/enhanced-omit-globbing-handling
-.. _issue 36: http://bitbucket.org/ned/coveragepy/issue/36/provide-regex-style-omit
-.. _issue 46: http://bitbucket.org/ned/coveragepy/issue/46
-.. _issue 53: http://bitbucket.org/ned/coveragepy/issue/53
-.. _issue 52: http://bitbucket.org/ned/coveragepy/issue/52/doctesttestfile-confuses-source-detection
-.. _issue 56: http://bitbucket.org/ned/coveragepy/issue/56
-.. _issue 61: http://bitbucket.org/ned/coveragepy/issue/61/annotate-i-doesnt-work
-.. _issue 62: http://bitbucket.org/ned/coveragepy/issue/62
-.. _issue 59: http://bitbucket.org/ned/coveragepy/issue/59/html-report-fails-with-int-object-is
-.. _issue 82: http://bitbucket.org/ned/coveragepy/issue/82/tokenerror-when-generating-html-report
-
-
-Version 3.3.1 --- 6 March 2010
-------------------------------
-
-- Using `parallel=True` in .coveragerc file prevented reporting, but now does
-  not, fixing `issue 49`_.
-
-- When running your code with "coverage run", if you call `sys.exit()`,
-  coverage.py will exit with that status code, fixing `issue 50`_.
-
-.. _issue 49: http://bitbucket.org/ned/coveragepy/issue/49
-.. _issue 50: http://bitbucket.org/ned/coveragepy/issue/50
-
-
-Version 3.3 --- 24 February 2010
---------------------------------
-
-- Settings are now read from a .coveragerc file.  A specific file can be
-  specified on the command line with --rcfile=FILE.  The name of the file can
-  be programmatically set with the `config_file` argument to the coverage()
-  constructor, or reading a config file can be disabled with
-  `config_file=False`.
-
-- Fixed a problem with nested loops having their branch possibilities
-  mischaracterized: `issue 39`_.
-
-- Added coverage.process_start to enable coverage measurement when Python
-  starts.
-
-- Parallel data file names now have a random number appended to them in
-  addition to the machine name and process id.
-
-- Parallel data files combined with "coverage combine" are deleted after
-  they're combined, to clean up unneeded files.  Fixes `issue 40`_.
-
-- Exceptions thrown from product code run with "coverage run" are now displayed
-  without internal coverage.py frames, so the output is the same as when the
-  code is run without coverage.py.
-
-- The `data_suffix` argument to the coverage constructor is now appended with
-  an added dot rather than simply appended, so that .coveragerc files will not
-  be confused for data files.
-
-- Python source files that don't end with a newline can now be executed, fixing
-  `issue 47`_.
-
-- Added an AUTHORS.txt file.
-
-.. _issue 39: http://bitbucket.org/ned/coveragepy/issue/39
-.. _issue 40: http://bitbucket.org/ned/coveragepy/issue/40
-.. _issue 47: http://bitbucket.org/ned/coveragepy/issue/47
-
-
-Version 3.2 --- 5 December 2009
--------------------------------
-
-- Added a ``--version`` option on the command line.
-
-
-Version 3.2b4 --- 1 December 2009
----------------------------------
-
-- Branch coverage improvements:
-
-  - The XML report now includes branch information.
-
-- Click-to-sort HTML report columns are now persisted in a cookie.  Viewing
-  a report will sort it first the way you last had a coverage report sorted.
-  Thanks, `Chris Adams`_.
-
-- On Python 3.x, setuptools has been replaced by `Distribute`_.
-
-.. _Distribute: http://packages.python.org/distribute/
-
-
-Version 3.2b3 --- 23 November 2009
-----------------------------------
-
-- Fixed a memory leak in the C tracer that was introduced in 3.2b1.
-
-- Branch coverage improvements:
-
-  - Branches to excluded code are ignored.
-
-- The table of contents in the HTML report is now sortable: click the headers
-  on any column.  Thanks, `Chris Adams`_.
-
-.. _Chris Adams: http://improbable.org/chris/
-
-
-Version 3.2b2 --- 19 November 2009
-----------------------------------
-
-- Branch coverage improvements:
-
-  - Classes are no longer incorrectly marked as branches: `issue 32`_.
-
-  - "except" clauses with types are no longer incorrectly marked as branches:
-    `issue 35`_.
-
-- Fixed some problems syntax coloring sources with line continuations and
-  source with tabs: `issue 30`_ and `issue 31`_.
-
-- The --omit option now works much better than before, fixing `issue 14`_ and
-  `issue 33`_.  Thanks, Danek Duvall.
-
-.. _issue 14: http://bitbucket.org/ned/coveragepy/issue/14
-.. _issue 30: http://bitbucket.org/ned/coveragepy/issue/30
-.. _issue 31: http://bitbucket.org/ned/coveragepy/issue/31
-.. _issue 32: http://bitbucket.org/ned/coveragepy/issue/32
-.. _issue 33: http://bitbucket.org/ned/coveragepy/issue/33
-.. _issue 35: http://bitbucket.org/ned/coveragepy/issue/35
-
-
-Version 3.2b1 --- 10 November 2009
-----------------------------------
-
-- Branch coverage!
-
-- XML reporting has file paths that let Cobertura find the source code.
-
-- The tracer code has changed, it's a few percent faster.
-
-- Some exceptions reported by the command line interface have been cleaned up
-  so that tracebacks inside coverage.py aren't shown.  Fixes `issue 23`_.
-
-.. _issue 23: http://bitbucket.org/ned/coveragepy/issue/23
-
-
-Version 3.1 --- 4 October 2009
-------------------------------
-
-- Source code can now be read from eggs.  Thanks, Ross Lawley.  Fixes
-  `issue 25`_.
-
-.. _issue 25: http://bitbucket.org/ned/coveragepy/issue/25
-
-
-Version 3.1b1 --- 27 September 2009
------------------------------------
-
-- Python 3.1 is now supported.
-
-- Coverage.py has a new command line syntax with sub-commands.  This expands
-  the possibilities for adding features and options in the future.  The old
-  syntax is still supported.  Try "coverage help" to see the new commands.
-  Thanks to Ben Finney for early help.
-
-- Added an experimental "coverage xml" command for producing coverage reports
-  in a Cobertura-compatible XML format.  Thanks, Bill Hart.
-
-- Added the --timid option to enable a simpler slower trace function that works
-  for DecoratorTools projects, including TurboGears.  Fixed `issue 12`_ and
-  `issue 13`_.
-
-- HTML reports show modules from other directories.  Fixed `issue 11`_.
-
-- HTML reports now display syntax-colored Python source.
-
-- Programs that change directory will still write .coverage files in the
-  directory where execution started.  Fixed `issue 24`_.
-
-- Added a "coverage debug" command for getting diagnostic information about the
-  coverage.py installation.
-
-.. _issue 11: http://bitbucket.org/ned/coveragepy/issue/11
-.. _issue 12: http://bitbucket.org/ned/coveragepy/issue/12
-.. _issue 13: http://bitbucket.org/ned/coveragepy/issue/13
-.. _issue 24: http://bitbucket.org/ned/coveragepy/issue/24
-
-
-Version 3.0.1 --- 7 July 2009
------------------------------
-
-- Removed the recursion limit in the tracer function.  Previously, code that
-  ran more than 500 frames deep would crash. Fixed `issue 9`_.
-
-- Fixed a bizarre problem involving pyexpat, whereby lines following XML parser
-  invocations could be overlooked.  Fixed `issue 10`_.
-
-- On Python 2.3, coverage.py could mis-measure code with exceptions being
-  raised.  This is now fixed.
-
-- The coverage.py code itself will now not be measured by coverage.py, and no
-  coverage modules will be mentioned in the nose --with-cover plug-in.  Fixed
-  `issue 8`_.
-
-- When running source files, coverage.py now opens them in universal newline
-  mode just like Python does.  This lets it run Windows files on Mac, for
-  example.
-
-.. _issue 9: http://bitbucket.org/ned/coveragepy/issue/9
-.. _issue 10: http://bitbucket.org/ned/coveragepy/issue/10
-.. _issue 8: http://bitbucket.org/ned/coveragepy/issue/8
-
-
-Version 3.0 --- 13 June 2009
-----------------------------
-
-- Fixed the way the Python library was ignored.  Too much code was being
-  excluded the old way.
-
-- Tabs are now properly converted in HTML reports.  Previously indentation was
-  lost.  Fixed `issue 6`_.
-
-- Nested modules now get a proper flat_rootname.  Thanks, Christian Heimes.
-
-.. _issue 6: http://bitbucket.org/ned/coveragepy/issue/6
-
-
-Version 3.0b3 --- 16 May 2009
------------------------------
-
-- Added parameters to coverage.__init__ for options that had been set on the
-  coverage object itself.
-
-- Added clear_exclude() and get_exclude_list() methods for programmatic
-  manipulation of the exclude regexes.
-
-- Added coverage.load() to read previously-saved data from the data file.
-
-- Improved the finding of code files.  For example, .pyc files that have been
-  installed after compiling are now located correctly.  Thanks, Detlev
-  Offenbach.
-
-- When using the object API (that is, constructing a coverage() object), data
-  is no longer saved automatically on process exit.  You can re-enable it with
-  the auto_data=True parameter on the coverage() constructor. The module-level
-  interface still uses automatic saving.
-
-
-Version 3.0b --- 30 April 2009
-------------------------------
-
-HTML reporting, and continued refactoring.
-
-- HTML reports and annotation of source files: use the new -b (browser) switch.
-  Thanks to George Song for code, inspiration and guidance.
-
-- Code in the Python standard library is not measured by default.  If you need
-  to measure standard library code, use the -L command-line switch during
-  execution, or the cover_pylib=True argument to the coverage() constructor.
-
-- Source annotation into a directory (-a -d) behaves differently.  The
-  annotated files are named with their hierarchy flattened so that same-named
-  files from different directories no longer collide.  Also, only files in the
-  current tree are included.
-
-- coverage.annotate_file is no longer available.
-
-- Programs executed with -x now behave more as they should, for example,
-  __file__ has the correct value.
-
-- .coverage data files have a new pickle-based format designed for better
-  extensibility.
-
-- Removed the undocumented cache_file argument to coverage.usecache().
-
-
-Version 3.0b1 --- 7 March 2009
-------------------------------
-
-Major overhaul.
-
-- Coverage is now a package rather than a module.  Functionality has been split
-  into classes.
-
-- The trace function is implemented in C for speed.  Coverage runs are now
-  much faster.  Thanks to David Christian for productive micro-sprints and
-  other encouragement.
-
-- Executable lines are identified by reading the line number tables in the
-  compiled code, removing a great deal of complicated analysis code.
-
-- Precisely which lines are considered executable has changed in some cases.
-  Therefore, your coverage stats may also change slightly.
-
-- The singleton coverage object is only created if the module-level functions
-  are used.  This maintains the old interface while allowing better
-  programmatic use of Coverage.
-
-- The minimum supported Python version is 2.3.
-
-
-Version 2.85 --- 14 September 2008
-----------------------------------
-
-- Add support for finding source files in eggs. Don't check for
-  morf's being instances of ModuleType, instead use duck typing so that
-  pseudo-modules can participate. Thanks, Imri Goldberg.
-
-- Use os.realpath as part of the fixing of file names so that symlinks won't
-  confuse things. Thanks, Patrick Mezard.
-
-
-Version 2.80 --- 25 May 2008
-----------------------------
-
-- Open files in rU mode to avoid line ending craziness. Thanks, Edward Loper.
-
-
-Version 2.78 --- 30 September 2007
-----------------------------------
-
-- Don't try to predict whether a file is Python source based on the extension.
-  Extension-less files are often Pythons scripts. Instead, simply parse the file
-  and catch the syntax errors. Hat tip to Ben Finney.
-
-
-Version 2.77 --- 29 July 2007
------------------------------
-
-- Better packaging.
-
-
-Version 2.76 --- 23 July 2007
------------------------------
-
-- Now Python 2.5 is *really* fully supported: the body of the new with
-  statement is counted as executable.
-
-
-Version 2.75 --- 22 July 2007
------------------------------
-
-- Python 2.5 now fully supported. The method of dealing with multi-line
-  statements is now less sensitive to the exact line that Python reports during
-  execution. Pass statements are handled specially so that their disappearance
-  during execution won't throw off the measurement.
-
-
-Version 2.7 --- 21 July 2007
-----------------------------
-
-- "#pragma: nocover" is excluded by default.
-
-- Properly ignore docstrings and other constant expressions that appear in the
-  middle of a function, a problem reported by Tim Leslie.
-
-- coverage.erase() shouldn't clobber the exclude regex. Change how parallel
-  mode is invoked, and fix erase() so that it erases the cache when called
-  programmatically.
-
-- In reports, ignore code executed from strings, since we can't do anything
-  useful with it anyway.
-
-- Better file handling on Linux, thanks Guillaume Chazarain.
-
-- Better shell support on Windows, thanks Noel O'Boyle.
-
-- Python 2.2 support maintained, thanks Catherine Proulx.
-
-- Minor changes to avoid lint warnings.
-
-
-Version 2.6 --- 23 August 2006
-------------------------------
-
-- Applied Joseph Tate's patch for function decorators.
-
-- Applied Sigve Tjora and Mark van der Wal's fixes for argument handling.
-
-- Applied Geoff Bache's parallel mode patch.
-
-- Refactorings to improve testability. Fixes to command-line logic for parallel
-  mode and collect.
-
-
-Version 2.5 --- 4 December 2005
--------------------------------
-
-- Call threading.settrace so that all threads are measured. Thanks Martin
-  Fuzzey.
-
-- Add a file argument to report so that reports can be captured to a different
-  destination.
-
-- coverage.py can now measure itself.
-
-- Adapted Greg Rogers' patch for using relative file names, and sorting and
-  omitting files to report on.
-
-
-Version 2.2 --- 31 December 2004
---------------------------------
-
-- Allow for keyword arguments in the module global functions. Thanks, Allen.
-
-
-Version 2.1 --- 14 December 2004
---------------------------------
-
-- Return 'analysis' to its original behavior and add 'analysis2'. Add a global
-  for 'annotate', and factor it, adding 'annotate_file'.
-
-
-Version 2.0 --- 12 December 2004
---------------------------------
-
-Significant code changes.
-
-- Finding executable statements has been rewritten so that docstrings and
-  other quirks of Python execution aren't mistakenly identified as missing
-  lines.
-
-- Lines can be excluded from consideration, even entire suites of lines.
-
-- The file system cache of covered lines can be disabled programmatically.
-
-- Modernized the code.
-
-
-Earlier History
----------------
-
-2001-12-04 GDR Created.
-
-2001-12-06 GDR Added command-line interface and source code annotation.
-
-2001-12-09 GDR Moved design and interface to separate documents.
-
-2001-12-10 GDR Open cache file as binary on Windows. Allow simultaneous -e and
--x, or -a and -r.
-
-2001-12-12 GDR Added command-line help. Cache analysis so that it only needs to
-be done once when you specify -a and -r.
-
-2001-12-13 GDR Improved speed while recording. Portable between Python 1.5.2
-and 2.1.1.
-
-2002-01-03 GDR Module-level functions work correctly.
-
-2002-01-07 GDR Update sys.path when running a file with the -x option, so that
-it matches the value the program would get if it were run on its own.