Write more docs, using Sphinx

This commit is contained in:
Stein Magnus Jodal 2010-02-06 00:23:31 +01:00
parent 5ef7d17deb
commit d471b30afe
13 changed files with 898 additions and 164 deletions

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*.pyc *.pyc
*.swp *.swp
.coverage .coverage
.idea
docs/_build
local_settings.py local_settings.py
pip-log.txt pip-log.txt
spotify_appkey.key spotify_appkey.key

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****** ******
mopidy Mopidy
****** ******
mopidy is an MPD server with a Spotify backend. Mopidy is an `MPD <http://mpd.wikia.com/>`_ server with a
`Spotify <http://www.spotify.com/>`_ backend. Using a standard MPD client you
can search for music in Spotify's wast archive, manage Spotify play lists and
play music from Spotify.
Mopidy is currently under development. Unless you want to contribute to the
development, you should probably wait for our first release before trying out
Mopidy.
Goal * `Source code <http://github.com/jodal/mopidy>`_
==== * `Documentation <http://www.mopidy.com/>`_
* IRC: ``#mopidy`` at `irc.freenode.net <http://freenode.net/>`_
Using a standard MPD client we want to search for music in Spotify, manage
Spotify play lists and play music from Spotify.
To limit scope, we will start by implementing an MPD server which only
supports Spotify, and not playback of files from disk. We will make mopidy
modular, so we can extend it with other backends in the future, like file
playback and other online music services such as Last.fm.
Backends
========
To use the despotify backend, you first need to install despotify and spytify.
Alternatively, we are working on a libspotify backend, which requires you to
install libspotify and pyspotify.
Both backends require a Spotify premium account, while only the libspotify
backend requires you to get an application key from Spotify before use.
Installing despotify and spytify
--------------------------------
Check out the despotify source code revision 497 (or possibly newer)::
svn co https://despotify.svn.sourceforge.net/svnroot/despotify@497 despotify
Install despotify's dependencies. At Debian/Ubuntu systems::
sudo aptitude install libssl-dev zlib1g-dev libvorbis-dev \
libtool libncursesw5-dev libao-dev
Build and install despotify::
cd despotify/src/
make
sudo make install
Build and install spytify::
cd despotify/src/bindings/python/
make
sudo make install
To validate that everything is working, run the ``test.py`` script which is
distributed with spytify::
python test.py
The test script should ask for your username and password (which must be for a
Spotify Premium account), ask for a search query, list all your playlists with
tracks, play 10s from a random song from the search result, pause for two
seconds, play for five more seconds, and quit.
Installing libspotify and pyspotify
-----------------------------------
As libspotify's installation script at the moment is somewhat broken (see this
`GetSatisfaction thread <http://getsatisfaction.com/spotify/topics/libspotify_please_fix_the_installation_script>`_
for details), it is easiest to use the libspotify files bundled with pyspotify.
The files bundled with pyspotify are for 64-bit, so if you run a 32-bit OS, you
must get libspotify from https://developer.spotify.com/en/libspotify/.
Install pyspotify's dependencies. At Debian/Ubuntu systems::
sudo aptitude install python-alsaaudio
Check out the pyspotify code, and install it::
git clone git://github.com/winjer/pyspotify.git
cd pyspotify
export LD_LIBRARY_PATH=$PWD/lib
sudo python setup.py develop
Apply for an application key at
https://developer.spotify.com/en/libspotify/application-key, download the
binary version, and place the file at ``pyspotify/spotify_appkey.key``.
Test your libspotify setup::
./example1.py -u USERNAME -p PASSWORD
Until Spotify fixes their installation script, you'll have to set
``LD_LIBRARY_PATH`` every time you are going to use libspotify (in other words
before starting mopidy).
Running mopidy
==============
Create a file name ``local_settings.py`` in the same directory as
``settings.py``. Enter your Spotify Premium account's username and password
into the file, like this::
SPOTIFY_USERNAME = u'myusername'
SPOTIFY_PASSWORD = u'mysecret'
To start mopidy, go to the root of the mopidy project, then simply run::
python mopidy
To stop mopidy, press ``CTRL+C``.
Running tests
=============
To run tests, you need a couple of dependiencies. Some can be installed through Debian/Ubuntu package management::
sudo aptitude install python-coverage
The rest can be installed using pip::
sudo aptitude install python-pip python-setuptools bzr
pip install -r test-requirements.txt
Then, to run all tests::
python tests
Resources
=========
- MPD
- `MPD protocol documentation <http://www.musicpd.org/doc/protocol/>`_
- The original `MPD server <http://mpd.wikia.com/>`_
- Spotify
- `spytify <http://despotify.svn.sourceforge.net/viewvc/despotify/src/bindings/python/>`_,
the Python bindings for `despotify <http://despotify.se/>`_
- `pyspotify <http://github.com/winjer/pyspotify/>`_,
Python bindings for the official Spotify library, libspotify
- `Spotify's official metadata API <http://developer.spotify.com/en/metadata-api/overview/>`_

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# Makefile for Sphinx documentation
#
# You can set these variables from the command line.
SPHINXOPTS =
SPHINXBUILD = sphinx-build
PAPER =
# Internal variables.
PAPEROPT_a4 = -D latex_paper_size=a4
PAPEROPT_letter = -D latex_paper_size=letter
ALLSPHINXOPTS = -d _build/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
.PHONY: help clean html dirhtml pickle json htmlhelp qthelp latex changes linkcheck doctest
help:
@echo "Please use \`make <target>' where <target> is one of"
@echo " html to make standalone HTML files"
@echo " dirhtml to make HTML files named index.html in directories"
@echo " pickle to make pickle files"
@echo " json to make JSON files"
@echo " htmlhelp to make HTML files and a HTML help project"
@echo " qthelp to make HTML files and a qthelp project"
@echo " latex to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
@echo " changes to make an overview of all changed/added/deprecated items"
@echo " linkcheck to check all external links for integrity"
@echo " doctest to run all doctests embedded in the documentation (if enabled)"
clean:
-rm -rf _build/*
html:
$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) _build/html
@echo
@echo "Build finished. The HTML pages are in _build/html."
dirhtml:
$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) _build/dirhtml
@echo
@echo "Build finished. The HTML pages are in _build/dirhtml."
pickle:
$(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) _build/pickle
@echo
@echo "Build finished; now you can process the pickle files."
json:
$(SPHINXBUILD) -b json $(ALLSPHINXOPTS) _build/json
@echo
@echo "Build finished; now you can process the JSON files."
htmlhelp:
$(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) _build/htmlhelp
@echo
@echo "Build finished; now you can run HTML Help Workshop with the" \
".hhp project file in _build/htmlhelp."
qthelp:
$(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) _build/qthelp
@echo
@echo "Build finished; now you can run "qcollectiongenerator" with the" \
".qhcp project file in _build/qthelp, like this:"
@echo "# qcollectiongenerator _build/qthelp/Mopidy.qhcp"
@echo "To view the help file:"
@echo "# assistant -collectionFile _build/qthelp/Mopidy.qhc"
latex:
$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) _build/latex
@echo
@echo "Build finished; the LaTeX files are in _build/latex."
@echo "Run \`make all-pdf' or \`make all-ps' in that directory to" \
"run these through (pdf)latex."
changes:
$(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) _build/changes
@echo
@echo "The overview file is in _build/changes."
linkcheck:
$(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) _build/linkcheck
@echo
@echo "Link check complete; look for any errors in the above output " \
"or in _build/linkcheck/output.txt."
doctest:
$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) _build/doctest
@echo "Testing of doctests in the sources finished, look at the " \
"results in _build/doctest/output.txt."
public: clean html
rm -rf /tmp/mopidy-html && cp -r _build/html /tmp/mopidy-html
git stash save
cd .. && \
git checkout gh-pages && \
git pull && \
rm -r * && \
cp -r /tmp/mopidy-html/* . && \
mv _sources sources && \
(find . -type f | xargs sed -i -e 's/_sources/sources/g') && \
mv _static static && \
(find . -type f | xargs sed -i -e 's/_static/static/g') && \
mv _images images && \
(find . -type f | xargs sed -i -e 's/_images/images/g') && \
git add *

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/**
* Sphinx stylesheet -- default theme
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
@import url("basic.css");
/* -- page layout ----------------------------------------------------------- */
body {
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color: #222;
padding: 1px 2px;
font-size: 1.2em;
font-family: monospace;
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[theme]
inherit = basic
stylesheet = nature.css
pygments_style = tango

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*******
Changes
*******
This change log is used to track all major changes to Mopidy.
0.1 (unreleased)
================
Initial version.
Features:
* *TODO:* Fill out

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# -*- coding: utf-8 -*-
#
# Mopidy documentation build configuration file, created by
# sphinx-quickstart on Fri Feb 5 22:19:08 2010.
#
# This file is execfile()d with the current directory set to its containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.
import sys, os
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
#sys.path.append(os.path.abspath('.'))
# -- General configuration -----------------------------------------------------
# Add any Sphinx extension module names here, as strings. They can be extensions
# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
extensions = []
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
# The suffix of source filenames.
source_suffix = '.rst'
# The encoding of source files.
#source_encoding = 'utf-8'
# The master toctree document.
master_doc = 'index'
# General information about the project.
project = u'Mopidy'
copyright = u'2010, Stein Magnus Jodal'
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = '0.1'
# The full version, including alpha/beta/rc tags.
release = '0.1'
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#language = None
# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#today = ''
# Else, today_fmt is used as the format for a strftime call.
#today_fmt = '%B %d, %Y'
# List of documents that shouldn't be included in the build.
#unused_docs = []
# List of directories, relative to source directory, that shouldn't be searched
# for source files.
exclude_trees = ['_build']
# The reST default role (used for this markup: `text`) to use for all documents.
#default_role = None
# If true, '()' will be appended to :func: etc. cross-reference text.
#add_function_parentheses = True
# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
#add_module_names = True
# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
#show_authors = False
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
# A list of ignored prefixes for module index sorting.
#modindex_common_prefix = []
# -- Options for HTML output ---------------------------------------------------
# The theme to use for HTML and HTML Help pages. Major themes that come with
# Sphinx are currently 'default' and 'sphinxdoc'.
html_theme = 'nature'
# Theme options are theme-specific and customize the look and feel of a theme
# further. For a list of options available for each theme, see the
# documentation.
#html_theme_options = {}
# Add any paths that contain custom themes here, relative to this directory.
html_theme_path = ['_themes']
# The name for this set of Sphinx documents. If None, it defaults to
# "<project> v<release> documentation".
#html_title = None
# A shorter title for the navigation bar. Default is the same as html_title.
#html_short_title = None
# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
#html_logo = None
# The name of an image file (within the static path) to use as favicon of the
# docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
#html_favicon = None
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']
# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
# using the given strftime format.
#html_last_updated_fmt = '%b %d, %Y'
# If true, SmartyPants will be used to convert quotes and dashes to
# typographically correct entities.
#html_use_smartypants = True
# Custom sidebar templates, maps document names to template names.
#html_sidebars = {}
# Additional templates that should be rendered to pages, maps page names to
# template names.
#html_additional_pages = {}
# If false, no module index is generated.
#html_use_modindex = True
# If false, no index is generated.
#html_use_index = True
# If true, the index is split into individual pages for each letter.
#html_split_index = False
# If true, links to the reST sources are added to the pages.
#html_show_sourcelink = True
# If true, an OpenSearch description file will be output, and all pages will
# contain a <link> tag referring to it. The value of this option must be the
# base URL from which the finished HTML is served.
#html_use_opensearch = ''
# If nonempty, this is the file name suffix for HTML files (e.g. ".xhtml").
#html_file_suffix = ''
# Output file base name for HTML help builder.
htmlhelp_basename = 'Mopidydoc'
# -- Options for LaTeX output --------------------------------------------------
# The paper size ('letter' or 'a4').
#latex_paper_size = 'letter'
# The font size ('10pt', '11pt' or '12pt').
#latex_font_size = '10pt'
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title, author, documentclass [howto/manual]).
latex_documents = [
('index', 'Mopidy.tex', u'Mopidy Documentation',
u'Stein Magnus Jodal', 'manual'),
]
# The name of an image file (relative to this directory) to place at the top of
# the title page.
#latex_logo = None
# For "manual" documents, if this is true, then toplevel headings are parts,
# not chapters.
#latex_use_parts = False
# Additional stuff for the LaTeX preamble.
#latex_preamble = ''
# Documents to append as an appendix to all manuals.
#latex_appendices = []
# If false, no module index is generated.
#latex_use_modindex = True

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Despotify issues
----------------
* r483: s.lookup('spotify:track:1mr3616BzLdhXfJmLmRsO8') returns error:
"SpytifyError: URI specifies invalid type: track"
Possibly fixed in r497.
* r483: When accessing an_artist.albums one get the error:
"TypeError: Cannot convert spytify.AlbumDataFull to spytify.ArtistDataFull"
* r483: Sometimes segfaults when traversing stored playlists. May work if one
try again immediately. Another example segfault::
>>> In [45]: s.lookup('spotify:user:klette:playlist:5rOGYPwwKqbAcVX8bW4k5V')
Segmentation fault
* r497: spytify fails on ``make''::
src/spytify.c: In function __pyx_pf_7spytify_7Spytify___init__:
src/spytify.c:7325: error: too few arguments to function despotify_init_client

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***********
Development
***********
Development of Mopidy is coordinated through the IRC channel ``#mopidy`` at
``irc.freenode.net`` and through `GitHub <http://github.com/>`_.
Scope
=====
To limit scope, we will start by implementing an MPD server which only
supports Spotify, and not playback of files from disk. We will make Mopidy
modular, so we can extend it with other backends in the future, like file
playback and other online music services such as Last.fm.
Running tests
=============
To run tests, you need a couple of dependiencies. Some can be installed through Debian/Ubuntu package management::
sudo aptitude install python-coverage
The rest can be installed using pip::
sudo aptitude install python-pip python-setuptools bzr
pip install -r test-requirements.txt
Then, to run all tests::
python tests
Music Player Daemon (MPD)
=========================
The `MPD protocol documentation <http://www.musicpd.org/doc/protocol/>`_ is a
useful resource. It is rather incomplete with regards to data formats, both for
requests and responses. Thus we have to talk a great deal with the the original
`MPD server <http://mpd.wikia.com/>`_ using telnet to get the details we need
to implement our own MPD server which is compatible with the numerous existing
`MPD clients <http://mpd.wikia.com/wiki/Clients>`_.
spytify
=======
`spytify <http://despotify.svn.sourceforge.net/viewvc/despotify/src/bindings/python/>`_
is the Python bindings for the open source `despotify <http://despotify.se/>`_
library. It got no documentation to speak of, but a couple of examples are
available.
Issues
------
A list of the issues we currently experience with spytify, both bugs and
features we wished was there.
* r483: Track lookup support. Possibly fixed in r497. To reproduce::
>>> import spytify
>>> s = spytify.Spytify('alice', 'secret')
>>> s.lookup('spotify:track:1mr3616BzLdhXfJmLmRsO8')
---------------------------------------------------------------------------
SpytifyError Traceback (most recent call last)
/home/jodal/<ipython console> in <module>()
/usr/local/lib/python2.6/dist-packages/spytify.so in spytify.Spytify.lookup (src/spytify.c:7914)()
SpytifyError: URI specifies invalid type: track
* r483: Error when accessing an album through an artist. To reproduce::
>>> import spytify
>>> s = spytify.Spytify('alice', 'secret')
>>> result = s.search('Gorillaz')
>>> artist = result.playlist.tracks[0].artists[0]
>>> artist
<Artist: Gorillaz (75f4ed7ec8514e91abaab17306ebbbb6)>
>>> artist.albums
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (1423, 0))
ERROR: An unexpected error occurred while tokenizing input
The following traceback may be corrupted or invalid
The error message is: ('EOF in multi-line statement', (1455, 0))
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
/home/jodal/<ipython console> in <module>()
/usr/local/lib/python2.6/dist-packages/spytify.so in spytify.Artist.albums.__get__ (src/spytify.c:4867)()
/usr/local/lib/python2.6/dist-packages/spytify.so in spytify.Artist.get_full_data (src/spytify.c:4539)()
TypeError: Cannot convert spytify.AlbumDataFull to spytify.ArtistDataFull
* r483: Sometimes segfaults when traversing stored playlists, their tracks,
artists, and albums. As it is not predictable, it may be a concurrency issue.
* r483: Segfaults when looking up playlists, both your own lists and other
peoples shared lists. To reproduce::
>>> import spytify
>>> s = spytify.Spytify('alice', 'secret')
>>> s.lookup('spotify:user:klette:playlist:5rOGYPwwKqbAcVX8bW4k5V')
Segmentation fault
* r497: spytify fails on ``make`` because the despotify API has changed::
src/spytify.c: In function __pyx_pf_7spytify_7Spytify___init__:
src/spytify.c:7325: error: too few arguments to function despotify_init_client
pyspotify
=========
`pyspotify <http://github.com/winjer/pyspotify/>`_ is the Python bindings for
the official Spotify library, libspotify. It got no documentation to speak of,
but multiple examples are available.
Issues
------
A list of the issues we currently experience with pyspotify, both bugs and
features we wished was there.
* None at the moment.

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.. include:: ../README.rst
Contents
========
.. toctree::
:maxdepth: 3
changes
installation
development
Indices and tables
==================
* :ref:`genindex`
* :ref:`search`

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************
Installation
************
Mopidy itself is a breeze to install, as it just requires a standard Python
installation. The libraries we depend on to connect to the Spotify service is
far more tricky to get working for the time being. Until installation of these
libraries are either well documented by their developers, or the libraries are
packaged for various Linux distributions, we will supply our own installation
guides here.
Dependencies
============
* Python >= 2.5
* Dependencies for at least one Mopidy backend:
* :ref:`despotify`
* :ref:`libspotify`
.. _despotify:
despotify backend
=================
To use the despotify backend, you first need to install despotify and spytify.
*This backend requires a Spotify premium account.*
Installing despotify and spytify
--------------------------------
Install despotify's dependencies. At Debian/Ubuntu systems::
sudo aptitude install libssl-dev zlib1g-dev libvorbis-dev \
libtool libncursesw5-dev libao-dev
Check out revision 483 of the despotify source code::
svn co https://despotify.svn.sourceforge.net/svnroot/despotify@483 despotify
Build and install despotify::
cd despotify/src/
make
sudo make install
Build and install spytify::
cd despotify/src/bindings/python/
make
sudo make install
To validate that everything is working, run the ``test.py`` script which is
distributed with spytify::
python test.py
The test script should ask for your username and password (which must be for a
Spotify Premium account), ask for a search query, list all your playlists with
tracks, play 10s from a random song from the search result, pause for two
seconds, play for five more seconds, and quit.
.. _libspotify:
libspotify backend
==================
As an alternative to the despotify backend, we are working on a libspotify
backend. To use the libspotify backend you must install libspotify and
pyspotify.
*This backend requires a Spotify premium account.*
*This backend requires you to get an application key from Spotify before use.*
Installing libspotify and pyspotify
-----------------------------------
As libspotify's installation script at the moment is somewhat broken (see this
`GetSatisfaction thread <http://getsatisfaction.com/spotify/topics/libspotify_please_fix_the_installation_script>`_
for details), it is easiest to use the libspotify files bundled with pyspotify.
The files bundled with pyspotify are for 64-bit, so if you run a 32-bit OS, you
must get libspotify from https://developer.spotify.com/en/libspotify/.
Install pyspotify's dependencies. At Debian/Ubuntu systems::
sudo aptitude install python-alsaaudio
Check out the pyspotify code, and install it::
git clone git://github.com/winjer/pyspotify.git
cd pyspotify
export LD_LIBRARY_PATH=$PWD/lib
sudo python setup.py develop
Apply for an application key at
https://developer.spotify.com/en/libspotify/application-key, download the
binary version, and place the file at ``pyspotify/spotify_appkey.key``.
Test your libspotify setup::
./example1.py -u USERNAME -p PASSWORD
Until Spotify fixes their installation script, you'll have to set
``LD_LIBRARY_PATH`` every time you are going to use libspotify (in other words
before starting Mopidy).
Running Mopidy
==============
Create a file name ``local_settings.py`` in the same directory as
``settings.py``. Enter your Spotify Premium account's username and password
into the file, like this::
SPOTIFY_USERNAME = u'myusername'
SPOTIFY_PASSWORD = u'mysecret'
Currently the despotify backend is the default. If you want to use the
libspotify backend, copy the Spotify application key to
``mopidy/spotify_appkey.key``, and add the following to
``mopidy/mopidy/local_settings.py``::
BACKEND=u'mopidy.backends.libspotify.LibspotifyBackend'
To start Mopidy, go to the root of the Mopidy project, then simply run::
python mopidy
To stop Mopidy, press ``CTRL+C``.

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Pyspotify issues
----------------
* None at the moment.