Add coverage

tools/telemetry/third_party/coverage/doc/install.rst

Index: tools/telemetry/third_party/coverage/doc/install.rst
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+.. Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
+.. For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
+
+.. _install:
+
+============
+Installation
+============
+
+.. :history: 20100725T225600, new for 3.4.
+.. :history: 20100820T151500, updated for 3.4b1.
+.. :history: 20100906T134800, updated for 3.4b2.
+.. :history: 20110604T213400, updated for 3.5b1.
+.. :history: 20110629T082400, updated for 3.5.
+.. :history: 20110923T081900, updated for 3.5.1.
+.. :history: 20120429T162500, updated for 3.5.2b1.
+.. :history: 20120503T234000, updated for 3.5.2.
+.. :history: 20120929T093600, updated for 3.5.3.
+.. :history: 20121117T095000, Now setuptools is a pre-req.
+.. :history: 20121128T203000, updated for 3.6b1.
+.. :history: 20121223T180800, updated for 3.6b2.
+.. :history: 20121229T112400, updated for 3.6b3.
+.. :history: 20130105T174400, updated for 3.6.
+.. :history: 20131005T210600, updated for 3.7.
+.. :history: 20131212T213500, updated for 3.7.1.
+.. :history: 20140927T102700, updated for 4.0a1.
+
+
+.. highlight:: console
+
+.. _coverage_pypi: http://pypi.python.org/pypi/coverage
+.. _setuptools: http://pypi.python.org/pypi/setuptools
+.. _Distribute: http://packages.python.org/distribute/
+
+
+Installing coverage.py is done in the usual ways. The simplest way is with
+pip::
+
+    $ pip install coverage
+
+.. ifconfig:: prerelease
+
+    To install a pre-release version, you will need to specify ``--pre``::
+
+        $ pip install --pre coverage
+
+
+The alternate old-school technique is:
+
+#.  Install (or already have installed) `setuptools`_ or `Distribute`_.
+
+#.  Download the appropriate kit from the
+    `coverage.py page on the Python Package Index`__.
+
+#.  Run ``python setup.py install``.
+
+.. __: coverage_pypi_
+
+
+Installing from source
+----------------------
+
+Coverage.py includes a C extension for speed. If you are installing from
+source, you may need to install the python-dev support files, for example
+with::
+
+    $ sudo apt-get install python-dev
+
+or for Python 3.x::
+
+    $ sudo apt-get install python3-dev
+
+
+Installing on Windows
+---------------------
+
+For Windows, kits are provided on the `PyPI page`__ for different versions of
+Python and different CPU architectures. These kits require that `setuptools`_
+be installed as a pre-requisite, but otherwise are self-contained.  They have
+the C extension pre-compiled so there's no need to worry about compilers.
+
+.. __: coverage_pypi_
+
+
+Checking the installation
+-------------------------
+
+If all went well, you should be able to open a command prompt, and see
+coverage.py installed properly:
+
+.. ifconfig:: not prerelease
+
+    .. parsed-literal::
+
+        $ coverage --version
+        Coverage.py, version |release|.
+        Documentation at https://coverage.readthedocs.org
+
+.. ifconfig:: prerelease
+
+    .. parsed-literal::
+
+        $ coverage --version
+        Coverage.py, version |release|.
+        Documentation at https://coverage.readthedocs.org/en/coverage-|release|
+
+You can also invoke coverage.py as a module:
+
+.. ifconfig:: not prerelease
+
+    .. parsed-literal::
+
+        $ python -m coverage --version
+        Coverage.py, version |release|.
+        Documentation at https://coverage.readthedocs.org
+
+.. ifconfig:: prerelease
+
+    .. parsed-literal::
+
+        $ python -m coverage --version
+        Coverage.py, version |release|.
+        Documentation at https://coverage.readthedocs.org/en/coverage-|release|