add github extension for easy links to issues/pulls.

adapted from Doug Hellmann's bitbucket extension.

docs/sphinxext/github.py

@@ -0,0 +1,155
+"""Define text roles for GitHub
+
+* ghissue - Issue
+* ghpull - Pull Request
+* ghuser - User
+
+Adapted from bitbucket example here:
+https://bitbucket.org/birkenfeld/sphinx-contrib/src/tip/bitbucket/sphinxcontrib/bitbucket.py
+
+Authors
+-------
+
+* Doug Hellmann
+* Min RK
+"""
+#
+# Original Copyright (c) 2010 Doug Hellmann.  All rights reserved.
+#
+
+from docutils import nodes, utils
+from docutils.parsers.rst.roles import set_classes
+
+def make_link_node(rawtext, app, type, slug, options):
+    """Create a link to a github resource.
+
+    :param rawtext: Text being replaced with link node.
+    :param app: Sphinx application context
+    :param type: Link type (issue, changeset, etc.)
+    :param slug: ID of the thing to link to
+    :param options: Options dictionary passed to role func.
+    """
+
+    try:
+        base = app.config.github_project_url
+        if not base:
+            raise AttributeError
+        if not base.endswith('/'):
+            base += '/'
+    except AttributeError, err:
+        raise ValueError('github_project_url configuration value is not set (%s)' % str(err))
+
+    ref = base + type + '/' + slug + '/'
+    set_classes(options)
+    prefix = "#"
+    if type == 'pull':
+        prefix = "PR " + prefix
+    node = nodes.reference(rawtext, prefix + utils.unescape(slug), refuri=ref,
+                           **options)
+    return node
+
+def ghissue_role(name, rawtext, text, lineno, inliner, options={}, content=[]):
+    """Link to a GitHub issue.
+
+    Returns 2 part tuple containing list of nodes to insert into the
+    document and a list of system messages.  Both are allowed to be
+    empty.
+
+    :param name: The role name used in the document.
+    :param rawtext: The entire markup snippet, with role.
+    :param text: The text marked with the role.
+    :param lineno: The line number where rawtext appears in the input.
+    :param inliner: The inliner instance that called us.
+    :param options: Directive options for customization.
+    :param content: The directive content for customization.
+    """
+
+    try:
+        issue_num = int(text)
+        if issue_num <= 0:
+            raise ValueError
+    except ValueError:
+        msg = inliner.reporter.error(
+            'GitHub issue number must be a number greater than or equal to 1; '
+            '"%s" is invalid.' % text, line=lineno)
+        prb = inliner.problematic(rawtext, rawtext, msg)
+        return [prb], [msg]
+    app = inliner.document.settings.env.app
+    #app.info('issue %r' % text)
+    if 'pull' in name.lower():
+        category = 'pull'
+    elif 'issue' in name.lower():
+        category = 'issue'
+    else:
+        msg = inliner.reporter.error(
+            'GitHub roles include "ghpull" and "ghissue", '
+            '"%s" is invalid.' % name, line=lineno)
+        prb = inliner.problematic(rawtext, rawtext, msg)
+        return [prb], [msg]
+    node = make_link_node(rawtext, app, category, str(issue_num), options)
+    return [node], []
+
+def ghuser_role(name, rawtext, text, lineno, inliner, options={}, content=[]):
+    """Link to a GitHub user.
+
+    Returns 2 part tuple containing list of nodes to insert into the
+    document and a list of system messages.  Both are allowed to be
+    empty.
+
+    :param name: The role name used in the document.
+    :param rawtext: The entire markup snippet, with role.
+    :param text: The text marked with the role.
+    :param lineno: The line number where rawtext appears in the input.
+    :param inliner: The inliner instance that called us.
+    :param options: Directive options for customization.
+    :param content: The directive content for customization.
+    """
+    app = inliner.document.settings.env.app
+    #app.info('user link %r' % text)
+    ref = 'https://www.github.com/' + text
+    node = nodes.reference(rawtext, text, refuri=ref, **options)
+    return [node], []
+
+def ghcommit_role(name, rawtext, text, lineno, inliner, options={}, content=[]):
+    """Link to a GitHub commit.
+
+    Returns 2 part tuple containing list of nodes to insert into the
+    document and a list of system messages.  Both are allowed to be
+    empty.
+
+    :param name: The role name used in the document.
+    :param rawtext: The entire markup snippet, with role.
+    :param text: The text marked with the role.
+    :param lineno: The line number where rawtext appears in the input.
+    :param inliner: The inliner instance that called us.
+    :param options: Directive options for customization.
+    :param content: The directive content for customization.
+    """
+    app = inliner.document.settings.env.app
+    #app.info('user link %r' % text)
+    try:
+        base = app.config.github_project_url
+        if not base:
+            raise AttributeError
+        if not base.endswith('/'):
+            base += '/'
+    except AttributeError, err:
+        raise ValueError('github_project_url configuration value is not set (%s)' % str(err))
+
+    ref = base + text
+    node = nodes.reference(rawtext, text[:6], refuri=ref, **options)
+    return [node], []
+
+
+def setup(app):
+    """Install the plugin.
+    
+    :param app: Sphinx application context.
+    """
+    app.info('Initializing GitHub plugin')
+    app.add_role('ghissue', ghissue_role)
+    app.add_role('ghpull', ghissue_role)
+    app.add_role('ghuser', ghuser_role)
+    app.add_role('ghcommit', ghcommit_role)
+    app.add_config_value('github_project_url', None, 'env')
+    return

docs/source/conf.py

@@ -1,195 +1,199
 # -*- coding: utf-8 -*-
 #
 # IPython documentation build configuration file.
 
 # NOTE: This file has been edited manually from the auto-generated one from
 # sphinx.  Do NOT delete and re-generate.  If any changes from sphinx are
 # needed, generate a scratch one and merge by hand any new fields needed.
 
 #
 # This file is execfile()d with the current directory set to its containing dir.
 #
 # The contents of this file are pickled, so don't put values in the namespace
 # that aren't pickleable (module imports are okay, they're removed automatically).
 #
 # All configuration values have a default value; values that are commented out
 # serve to show the default value.
 
 import sys, os
 
 # If your extensions are in another directory, add it here. If the directory
 # is relative to the documentation root, use os.path.abspath to make it
 # absolute, like shown here.
 sys.path.insert(0, os.path.abspath('../sphinxext'))
 
 # Import support for ipython console session syntax highlighting (lives
 # in the sphinxext directory defined above)
 import ipython_console_highlighting
 
 # We load the ipython release info into a dict by explicit execution
 iprelease = {}
 execfile('../../IPython/core/release.py',iprelease)
 
 # 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 = [
     # 'matplotlib.sphinxext.mathmpl',
     'matplotlib.sphinxext.only_directives',
     # 'matplotlib.sphinxext.plot_directive',
     'sphinx.ext.autodoc',
     'sphinx.ext.doctest',
     'inheritance_diagram',
     'ipython_console_highlighting',
     'numpydoc',  # to preprocess docstrings
+    'github',  # for easy GitHub links
 ]
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']
 
 # The suffix of source filenames.
 source_suffix = '.txt'
 
 # The master toctree document.
 master_doc = 'index'
 
 # General substitutions.
 project = 'IPython'
 copyright = '2008, The IPython Development Team'
 
+# ghissue config
+github_project_url = "https://github.com/ipython/ipython"
+
 # The default replacements for |version| and |release|, also used in various
 # other places throughout the built documents.
 #
 # The full version, including alpha/beta/rc tags.
 release = iprelease['version']
 # The short X.Y version.
 version = '.'.join(release.split('.',2)[:2])
 
 
 # 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 directories, that shouldn't be searched
 # for source files.
 exclude_dirs = ['attic']
 
 # 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'
 
 
 # Options for HTML output
 # -----------------------
 
 # The style sheet to use for HTML and HTML Help pages. A file of that name
 # must exist either in Sphinx' static/ path, or in one of the custom paths
 # given in html_static_path.
 html_style = 'default.css'
 
 # The name for this set of Sphinx documents.  If None, it defaults to
 # "<project> v<release> documentation".
 #html_title = None
 
 # The name of an image file (within the static path) to place at the top of
 # the sidebar.
 #html_logo = 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 true, the reST sources are included in the HTML build as _sources/<name>.
 #html_copy_source = 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 = 'ipythondoc'
 
 
 # Options for LaTeX output
 # ------------------------
 
 # The paper size ('letter' or 'a4').
 latex_paper_size = 'letter'
 
 # The font size ('10pt', '11pt' or '12pt').
 latex_font_size = '11pt'
 
 # Grouping the document tree into LaTeX files. List of tuples
 # (source start file, target name, title, author, document class [howto/manual]).
 
 latex_documents = [
     ('index', 'ipython.tex', 'IPython Documentation',
      ur"""The IPython Development Team""", 'manual', True),
     ('parallel/winhpc_index', 'winhpc_whitepaper.tex',
      'Using IPython on Windows HPC Server 2008',
      ur"Brian E. Granger", 'manual', True)
 ]
 
 # 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
 
 
 # Cleanup
 # -------
 # delete release info to avoid pickling errors from sphinx
 
 del iprelease