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|
=================
python-coverage
=================
-------------------------------------------------
measure code coverage of Python program execution
-------------------------------------------------
:Author: |author|
:Date: 2020-09-06
:Copyright:
Copyright © 2010–2017 Ben Finney <bignose@debian.org>
:Manual section: 1
:Manual group: Coverage
.. |command| replace:: **python-coverage**
.. |license| replace::
`GNU General Public License, version 3 or later
<http://www.gnu.org/licenses/>`__
SYNOPSIS
========
| |command| `command` [ `option` ... ]
| |command| **help** [ `command` ]
DESCRIPTION
===========
|command| executes a Python program, measures which of its statements are
executed and which are not, and reports these coverage measurements.
COMMAND OVERVIEW
================
|command| **annotate**
Annotate source files with execution information.
|command| **combine**
Combine a number of data files.
|command| **debug**
Display diagnostic information about the internals of this
program.
|command| **erase**
Erase previously collected coverage data.
|command| **help**
Get help on using coverage.py.
|command| **html**
Create an HTML report.
|command| **report**
Report coverage stats on modules.
|command| **run**
Run a Python program and measure code execution.
|command| **xml**
Create an XML report of coverage results.
GLOBAL OPTIONS
==============
**--help**, **-h**
Describe how to use Coverage, in general or a command.
**--rcfile** `RCFILE`
Specify configuration file `RCFILE`. Defaults to ``.coveragerc``.
**--omit** `PATTERN` ...
Omit files when their filename matches one of these PATTERNs.
Usually needs quoting on the command line.
**--include** `PATTERN` ...
Include files only when their filename path matches one of these
PATTERNs. Usually needs quoting on the command line.
COMMAND REFERENCE
=================
**annotate**
Options:
\-d `DIR`, --directory `DIR`
Write the output files to DIR.
\-i, --ignore-errors
Ignore errors while reading source files.
**combine** `PATH` `PATH` [ ... ]
Combine data from multiple coverage files `PATH`, collected with
``run -p``. The combined results are written to a single file
representing the union of the data.
**debug** `topic`
Display information on the internals of coverage.py, for
diagnosing problems.
Topics are:
* `data`, to show a summary of the collected data.
* `sys`, to show installation information.
**erase**
Erase previously collected coverage data.
**help** [ `command` ]
Describe how to use Coverage.
**html** [ `option` ... ] [ `MODULE` ... ]
Create an HTML report of the coverage of each `MODULE` file. Each file
gets its own page, with the source decorated to show executed,
excluded, and missed lines.
Options:
\-d `DIR`, --directory `DIR`
Write the output files to `DIR`.
\--title `TITLE`
Use the text string `TITLE` as the title on the HTML.
\--fail-under `MIN`
Exit with a status of 2 if the total coverage is less than `MIN`.
\-i, --ignore-errors
Ignore errors while reading source files.
**report** [ `option` ... ] [ `MODULE` ... ]
Report coverage statistics on each `MODULE`.
Options:
\--fail-under `MIN`
Exit with a status of 2 if the total coverage is less than `MIN`.
\-i, --ignore-errors
Ignore errors while reading source files.
\-m, --show-missing
Show line numbers of statements in each module that weren't
executed.
**run** [ `options` ... ] `PROGRAMFILE` [ `program_options` ]
Run a Python program `PROGRAMFILE`, measuring code execution.
Options:
\-a, --append
Append coverage data to .coverage, otherwise it is started clean
with each run.
\--branch
Measure branch coverage in addition to statement coverage.
\--debug `DEBUGOPT`,...
Debug options `DEBUGOPT`, separated by commas
\-L, --pylib
Measure coverage even inside the Python installed library, which
isn't done by default.
\-p, --parallel-mode
Append the machine name, process id and random number to the
``.coverage`` data file name to simplify collecting data from many
processes.
\--timid
Use a simpler but slower trace method. Try this if you get
seemingly impossible results!
\--source `SOURCE` ...
A list of packages or directories of code to be measured.
**xml** [ `options` ... ] [ `MODULES` ... ]
Generate an XML report of coverage results on each `MODULE`.
Options:
\--fail-under `MIN`
Exit with a status of 2 if the total coverage is less than `MIN`.
\-i, --ignore-errors
Ignore errors while reading source files.
\-o `OUTFILE`
Write the XML report to `OUTFILE`. Defaults to ``coverage.xml``.
ENVIRONMENT VARIABLES
=====================
COVERAGE_FILE
Path to the file where coverage measurements are collected to and
reported from. Default: ``.coverage`` in the current working directory.
COVERAGE_OPTIONS
Space-separated series of command-line options to |command|. Default:
empty.
HISTORY
=======
The |command| command is a Python program which calls the ``coverage`` Python
library to do all the work.
The library was originally developed by Gareth Rees, and is now developed by
Ned Batchelder.
This manual page was written to document the |command| command for Debian. This
is free software: you may copy, modify and/or distribute this work under the
terms of the |license| as published by the Free Software Foundation, version 3
or later. No warranty expressed or implied.
On Debian systems, the complete text of the GNU General Public License version
3 can be found in the file `/usr/share/common-licenses/GPL-3`.
.. |author| replace:: |authorname| |authoremail|
.. |authorname| replace:: Ben Finney
.. |authoremail| replace:: <ben+python@benfinney.id.au>
..
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time-stamp-start: "^:Date:[ ]+"
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