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.. index:: single: Python Package Index (PyPI) single: PyPI; (see Python Package Index (PyPI)) .. _package-index: ******************************* The Python Package Index (PyPI) ******************************* The `Python Package Index (PyPI)`_ holds :ref:`meta-data <meta-data>` describing distributions packaged with distutils, as well as package data like distribution files if the package author wishes. Distutils exposes two commands for submitting package data to PyPI: the :ref:`register <package-register>` command for submitting meta-data to PyPI and the :ref:`upload <package-upload>` command for submitting distribution files. Both commands read configuration data from a special file called the :ref:`.pypirc file <pypirc>`. PyPI :ref:`displays a home page <package-display>` for each package created from the ``long_description`` submitted by the :command:`register` command. .. _package-register: Registering Packages ==================== The distutils command :command:`register` is used to submit your distribution's meta-data to the index. It is invoked as follows:: python setup.py register Distutils will respond with the following prompt:: running register We need to know who you are, so please choose either: 1. use your existing login, 2. register as a new user, 3. have the server generate a new password for you (and email it to you), or 4. quit Your selection [default 1]: Note: if your username and password are saved locally, you will not see this menu. If you have not registered with PyPI, then you will need to do so now. You should choose option 2, and enter your details as required. Soon after submitting your details, you will receive an email which will be used to confirm your registration. Once you are registered, you may choose option 1 from the menu. You will be prompted for your PyPI username and password, and :command:`register` will then submit your meta-data to the index. You may submit any number of versions of your distribution to the index. If you alter the meta-data for a particular version, you may submit it again and the index will be updated. PyPI holds a record for each (name, version) combination submitted. The first user to submit information for a given name is designated the Owner of that name. They may submit changes through the :command:`register` command or through the web interface. They may also designate other users as Owners or Maintainers. Maintainers may edit the package information, but not designate other Owners or Maintainers. By default PyPI displays only the newest version of a given package. The web interface lets one change this default behavior and manually select which versions to display and hide. .. _package-upload: Uploading Packages ================== .. versionadded:: 2.5 The distutils command :command:`upload` pushes the distribution files to PyPI. The command is invoked immediately after building one or more distribution files. For example, the command :: python setup.py sdist bdist_wininst upload will cause the source distribution and the Windows installer to be uploaded to PyPI. Note that these will be uploaded even if they are built using an earlier invocation of :file:`setup.py`, but that only distributions named on the command line for the invocation including the :command:`upload` command are uploaded. The :command:`upload` command uses the username, password, and repository URL from the :file:`$HOME/.pypirc` file (see section :ref:`pypirc` for more on this file). If a :command:`register` command was previously called in the same command, and if the password was entered in the prompt, :command:`upload` will reuse the entered password. This is useful if you do not want to store a clear text password in the :file:`$HOME/.pypirc` file. You can specify another PyPI server with the ``--repository=url`` option:: python setup.py sdist bdist_wininst upload -r http://example.com/pypi See section :ref:`pypirc` for more on defining several servers. You can use the ``--sign`` option to tell :command:`upload` to sign each uploaded file using GPG (GNU Privacy Guard). The :program:`gpg` program must be available for execution on the system :envvar:`PATH`. You can also specify which key to use for signing using the ``--identity=name`` option. Other :command:`upload` options include ``--repository=url`` or ``--repository=section`` where *url* is the url of the server and *section* the name of the section in :file:`$HOME/.pypirc`, and ``--show-response`` (which displays the full response text from the PyPI server for help in debugging upload problems). .. index:: single: .pypirc file single: Python Package Index (PyPI); .pypirc file .. _pypirc: The .pypirc file ================ The format of the :file:`.pypirc` file is as follows:: [distutils] index-servers = pypi [pypi] repository: <repository-url> username: <username> password: <password> The *distutils* section defines a *index-servers* variable that lists the name of all sections describing a repository. Each section describing a repository defines three variables: - *repository*, that defines the url of the PyPI server. Defaults to ``http://www.python.org/pypi``. - *username*, which is the registered username on the PyPI server. - *password*, that will be used to authenticate. If omitted the user will be prompt to type it when needed. If you want to define another server a new section can be created and listed in the *index-servers* variable:: [distutils] index-servers = pypi other [pypi] repository: <repository-url> username: <username> password: <password> [other] repository: http://example.com/pypi username: <username> password: <password> :command:`register` can then be called with the -r option to point the repository to work with:: python setup.py register -r http://example.com/pypi For convenience, the name of the section that describes the repository may also be used:: python setup.py register -r other .. _package-display: PyPI package display ==================== The ``long_description`` field plays a special role at PyPI. It is used by the server to display a home page for the registered package. If you use the `reStructuredText <http://docutils.sourceforge.net/rst.html>`_ syntax for this field, PyPI will parse it and display an HTML output for the package home page. The ``long_description`` field can be attached to a text file located in the package:: from distutils.core import setup with open('README.txt') as file: long_description = file.read() setup(name='Distutils', long_description=long_description) In that case, :file:`README.txt` is a regular reStructuredText text file located in the root of the package besides :file:`setup.py`. To prevent registering broken reStructuredText content, you can use the :program:`rst2html` program that is provided by the :mod:`docutils` package and check the ``long_description`` from the command line:: $ python setup.py --long-description | rst2html.py > output.html :mod:`docutils` will display a warning if there's something wrong with your syntax. Because PyPI applies additional checks (e.g. by passing ``--no-raw`` to ``rst2html.py`` in the command above), being able to run the command above without warnings does not guarantee that PyPI will convert the content successfully. .. _Python Package Index (PyPI): http://pypi.python.org/