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208 lines
8.2 KiB
ReStructuredText
208 lines
8.2 KiB
ReStructuredText
.. _source-dist:
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******************************
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Creating a Source Distribution
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******************************
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As shown in section :ref:`distutils-simple-example`, you use the :command:`sdist` command
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to create a source distribution. In the simplest case, ::
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python setup.py sdist
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(assuming you haven't specified any :command:`sdist` options in the setup script
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or config file), :command:`sdist` creates the archive of the default format for
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the current platform. The default format is a gzip'ed tar file
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(:file:`.tar.gz`) on Unix, and ZIP file on Windows.
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You can specify as many formats as you like using the :option:`--formats`
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option, for example::
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python setup.py sdist --formats=gztar,zip
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to create a gzipped tarball and a zip file. The available formats are:
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+-----------+-------------------------+---------+
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| Format | Description | Notes |
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+===========+=========================+=========+
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| ``zip`` | zip file (:file:`.zip`) | (1),(3) |
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+-----------+-------------------------+---------+
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| ``gztar`` | gzip'ed tar file | (2),(4) |
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| | (:file:`.tar.gz`) | |
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+-----------+-------------------------+---------+
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| ``bztar`` | bzip2'ed tar file | \(4) |
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| | (:file:`.tar.bz2`) | |
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+-----------+-------------------------+---------+
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| ``ztar`` | compressed tar file | \(4) |
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| | (:file:`.tar.Z`) | |
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+-----------+-------------------------+---------+
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| ``tar`` | tar file (:file:`.tar`) | \(4) |
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+-----------+-------------------------+---------+
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Notes:
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(1)
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default on Windows
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(2)
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default on Unix
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(3)
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requires either external :program:`zip` utility or :mod:`zipfile` module (part
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of the standard Python library since Python 1.6)
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(4)
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requires external utilities: :program:`tar` and possibly one of :program:`gzip`,
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:program:`bzip2`, or :program:`compress`
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.. _manifest:
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Specifying the files to distribute
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==================================
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If you don't supply an explicit list of files (or instructions on how to
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generate one), the :command:`sdist` command puts a minimal default set into the
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source distribution:
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* all Python source files implied by the :option:`py_modules` and
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:option:`packages` options
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* all C source files mentioned in the :option:`ext_modules` or
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:option:`libraries` options (
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**\*\*** getting C library sources currently broken---no
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:meth:`get_source_files` method in :file:`build_clib.py`! **\*\***)
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* scripts identified by the :option:`scripts` option
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* anything that looks like a test script: :file:`test/test\*.py` (currently, the
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Distutils don't do anything with test scripts except include them in source
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distributions, but in the future there will be a standard for testing Python
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module distributions)
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* :file:`README.txt` (or :file:`README`), :file:`setup.py` (or whatever you
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called your setup script), and :file:`setup.cfg`
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Sometimes this is enough, but usually you will want to specify additional files
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to distribute. The typical way to do this is to write a *manifest template*,
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called :file:`MANIFEST.in` by default. The manifest template is just a list of
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instructions for how to generate your manifest file, :file:`MANIFEST`, which is
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the exact list of files to include in your source distribution. The
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:command:`sdist` command processes this template and generates a manifest based
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on its instructions and what it finds in the filesystem.
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If you prefer to roll your own manifest file, the format is simple: one filename
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per line, regular files (or symlinks to them) only. If you do supply your own
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:file:`MANIFEST`, you must specify everything: the default set of files
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described above does not apply in this case.
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The manifest template has one command per line, where each command specifies a
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set of files to include or exclude from the source distribution. For an
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example, again we turn to the Distutils' own manifest template::
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include *.txt
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recursive-include examples *.txt *.py
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prune examples/sample?/build
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The meanings should be fairly clear: include all files in the distribution root
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matching :file:`\*.txt`, all files anywhere under the :file:`examples` directory
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matching :file:`\*.txt` or :file:`\*.py`, and exclude all directories matching
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:file:`examples/sample?/build`. All of this is done *after* the standard
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include set, so you can exclude files from the standard set with explicit
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instructions in the manifest template. (Or, you can use the
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:option:`--no-defaults` option to disable the standard set entirely.) There are
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several other commands available in the manifest template mini-language; see
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section :ref:`sdist-cmd`.
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The order of commands in the manifest template matters: initially, we have the
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list of default files as described above, and each command in the template adds
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to or removes from that list of files. Once we have fully processed the
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manifest template, we remove files that should not be included in the source
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distribution:
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* all files in the Distutils "build" tree (default :file:`build/`)
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* all files in directories named :file:`RCS`, :file:`CVS` or :file:`.svn`
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Now we have our complete list of files, which is written to the manifest for
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future reference, and then used to build the source distribution archive(s).
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You can disable the default set of included files with the
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:option:`--no-defaults` option, and you can disable the standard exclude set
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with :option:`--no-prune`.
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Following the Distutils' own manifest template, let's trace how the
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:command:`sdist` command builds the list of files to include in the Distutils
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source distribution:
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#. include all Python source files in the :file:`distutils` and
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:file:`distutils/command` subdirectories (because packages corresponding to
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those two directories were mentioned in the :option:`packages` option in the
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setup script---see section :ref:`setup-script`)
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#. include :file:`README.txt`, :file:`setup.py`, and :file:`setup.cfg` (standard
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files)
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#. include :file:`test/test\*.py` (standard files)
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#. include :file:`\*.txt` in the distribution root (this will find
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:file:`README.txt` a second time, but such redundancies are weeded out later)
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#. include anything matching :file:`\*.txt` or :file:`\*.py` in the sub-tree
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under :file:`examples`,
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#. exclude all files in the sub-trees starting at directories matching
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:file:`examples/sample?/build`\ ---this may exclude files included by the
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previous two steps, so it's important that the ``prune`` command in the manifest
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template comes after the ``recursive-include`` command
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#. exclude the entire :file:`build` tree, and any :file:`RCS`, :file:`CVS` and
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:file:`.svn` directories
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Just like in the setup script, file and directory names in the manifest template
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should always be slash-separated; the Distutils will take care of converting
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them to the standard representation on your platform. That way, the manifest
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template is portable across operating systems.
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.. _manifest-options:
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Manifest-related options
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========================
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The normal course of operations for the :command:`sdist` command is as follows:
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* if the manifest file, :file:`MANIFEST` doesn't exist, read :file:`MANIFEST.in`
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and create the manifest
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* if neither :file:`MANIFEST` nor :file:`MANIFEST.in` exist, create a manifest
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with just the default file set
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* if either :file:`MANIFEST.in` or the setup script (:file:`setup.py`) are more
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recent than :file:`MANIFEST`, recreate :file:`MANIFEST` by reading
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:file:`MANIFEST.in`
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* use the list of files now in :file:`MANIFEST` (either just generated or read
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in) to create the source distribution archive(s)
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There are a couple of options that modify this behaviour. First, use the
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:option:`--no-defaults` and :option:`--no-prune` to disable the standard
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"include" and "exclude" sets.
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Second, you might want to force the manifest to be regenerated---for example, if
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you have added or removed files or directories that match an existing pattern in
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the manifest template, you should regenerate the manifest::
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python setup.py sdist --force-manifest
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Or, you might just want to (re)generate the manifest, but not create a source
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distribution::
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python setup.py sdist --manifest-only
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:option:`--manifest-only` implies :option:`--force-manifest`. :option:`-o` is a
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shortcut for :option:`--manifest-only`, and :option:`-f` for
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:option:`--force-manifest`.
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