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"""
Sphinx plugins for Django documentation.
"""
import docutils.nodes
import docutils.transforms
try:
import json
except ImportError:
try:
import simplejson as json
except ImportError:
try:
from django.utils import simplejson as json
except ImportError:
json = None
import os
import sphinx
import sphinx.addnodes
try:
from sphinx import builders
except ImportError:
import sphinx.builder as builders
try:
import sphinx.builders.html as builders_html
except ImportError:
builders_html = builders
from sphinx.util.console import bold
import sphinx.directives
import sphinx.environment
try:
import sphinx.writers.html as sphinx_htmlwriter
except ImportError:
import sphinx.htmlwriter as sphinx_htmlwriter
import sphinx.roles
from docutils import nodes
def setup(app):
app.add_crossref_type(
directivename = "setting",
rolename = "setting",
indextemplate = "pair: %s; setting",
)
app.add_crossref_type(
directivename = "templatetag",
rolename = "ttag",
indextemplate = "pair: %s; template tag"
)
app.add_crossref_type(
directivename = "templatefilter",
rolename = "tfilter",
indextemplate = "pair: %s; template filter"
)
app.add_crossref_type(
directivename = "fieldlookup",
rolename = "lookup",
indextemplate = "pair: %s; field lookup type",
)
app.add_description_unit(
directivename = "django-admin",
rolename = "djadmin",
indextemplate = "pair: %s; django-admin command",
parse_node = parse_django_admin_node,
)
app.add_description_unit(
directivename = "django-admin-option",
rolename = "djadminopt",
indextemplate = "pair: %s; django-admin command-line option",
parse_node = parse_django_adminopt_node,
)
app.add_config_value('django_next_version', '0.0', True)
app.add_directive('versionadded', parse_version_directive, 1, (1, 1, 1))
app.add_directive('versionchanged', parse_version_directive, 1, (1, 1, 1))
app.add_transform(SuppressBlockquotes)
app.add_builder(DjangoStandaloneHTMLBuilder)
# Monkeypatch PickleHTMLBuilder so that it doesn't die in Sphinx 0.4.2
if sphinx.__version__ == '0.4.2':
monkeypatch_pickle_builder()
def parse_version_directive(name, arguments, options, content, lineno,
content_offset, block_text, state, state_machine):
env = state.document.settings.env
is_nextversion = env.config.django_next_version == arguments[0]
ret = []
node = sphinx.addnodes.versionmodified()
ret.append(node)
if not is_nextversion:
if len(arguments) == 1:
linktext = 'Please, see the release notes <releases-%s>' % (arguments[0])
xrefs = sphinx.roles.xfileref_role('ref', linktext, linktext, lineno, state)
node.extend(xrefs[0])
node['version'] = arguments[0]
else:
node['version'] = "Development version"
node['type'] = name
if len(arguments) == 2:
inodes, messages = state.inline_text(arguments[1], lineno+1)
node.extend(inodes)
if content:
state.nested_parse(content, content_offset, node)
ret = ret + messages
env.note_versionchange(node['type'], node['version'], node, lineno)
return ret
class SuppressBlockquotes(docutils.transforms.Transform):
"""
Remove the default blockquotes that encase indented list, tables, etc.
"""
default_priority = 300
suppress_blockquote_child_nodes = (
docutils.nodes.bullet_list,
docutils.nodes.enumerated_list,
docutils.nodes.definition_list,
docutils.nodes.literal_block,
docutils.nodes.doctest_block,
docutils.nodes.line_block,
docutils.nodes.table
)
def apply(self):
for node in self.document.traverse(docutils.nodes.block_quote):
if len(node.children) == 1 and isinstance(node.children[0], self.suppress_blockquote_child_nodes):
node.replace_self(node.children[0])
class DjangoHTMLTranslator(sphinx_htmlwriter.SmartyPantsHTMLTranslator):
"""
Django-specific reST to HTML tweaks.
"""
# Don't use border=1, which docutils does by default.
def visit_table(self, node):
self.body.append(self.starttag(node, 'table', CLASS='docutils'))
# <big>? Really?
def visit_desc_parameterlist(self, node):
self.body.append('(')
self.first_param = 1
def depart_desc_parameterlist(self, node):
self.body.append(')')
pass
#
# Don't apply smartypants to literal blocks
#
def visit_literal_block(self, node):
self.no_smarty += 1
sphinx_htmlwriter.SmartyPantsHTMLTranslator.visit_literal_block(self, node)
def depart_literal_block(self, node):
sphinx_htmlwriter.SmartyPantsHTMLTranslator.depart_literal_block(self, node)
self.no_smarty -= 1
#
# Turn the "new in version" stuff (versoinadded/versionchanged) into a
# better callout -- the Sphinx default is just a little span,
# which is a bit less obvious that I'd like.
#
# FIXME: these messages are all hardcoded in English. We need to chanage
# that to accomodate other language docs, but I can't work out how to make
# that work and I think it'll require Sphinx 0.5 anyway.
#
version_text = {
'deprecated': 'Deprecated in Django %s',
'versionchanged': 'Changed in Django %s',
'versionadded': 'New in Django %s',
}
def visit_versionmodified(self, node):
self.body.append(
self.starttag(node, 'div', CLASS=node['type'])
)
title = "%s%s" % (
self.version_text[node['type']] % node['version'],
len(node) and ":" or "."
)
self.body.append('<span class="title">%s</span> ' % title)
def depart_versionmodified(self, node):
self.body.append("</div>\n")
# Give each section a unique ID -- nice for custom CSS hooks
# This is different on docutils 0.5 vs. 0.4...
if hasattr(sphinx_htmlwriter.SmartyPantsHTMLTranslator, 'start_tag_with_title') and sphinx.__version__ == '0.4.2':
def start_tag_with_title(self, node, tagname, **atts):
node = {
'classes': node.get('classes', []),
'ids': ['s-%s' % i for i in node.get('ids', [])]
}
return self.starttag(node, tagname, **atts)
else:
def visit_section(self, node):
old_ids = node.get('ids', [])
node['ids'] = ['s-' + i for i in old_ids]
if sphinx.__version__ != '0.4.2':
node['ids'].extend(old_ids)
sphinx_htmlwriter.SmartyPantsHTMLTranslator.visit_section(self, node)
node['ids'] = old_ids
def parse_django_admin_node(env, sig, signode):
command = sig.split(' ')[0]
env._django_curr_admin_command = command
title = "django-admin.py %s" % sig
signode += sphinx.addnodes.desc_name(title, title)
return sig
def parse_django_adminopt_node(env, sig, signode):
"""A copy of sphinx.directives.CmdoptionDesc.parse_signature()"""
from sphinx import addnodes
from sphinx.directives.desc import option_desc_re
count = 0
firstname = ''
for m in option_desc_re.finditer(sig):
optname, args = m.groups()
if count:
signode += addnodes.desc_addname(', ', ', ')
signode += addnodes.desc_name(optname, optname)
signode += addnodes.desc_addname(args, args)
if not count:
firstname = optname
count += 1
if not firstname:
raise ValueError
return firstname
def monkeypatch_pickle_builder():
import shutil
from os import path
try:
import cPickle as pickle
except ImportError:
import pickle
def handle_finish(self):
# dump the global context
outfilename = path.join(self.outdir, 'globalcontext.pickle')
f = open(outfilename, 'wb')
try:
pickle.dump(self.globalcontext, f, 2)
finally:
f.close()
self.info(bold('dumping search index...'))
self.indexer.prune(self.env.all_docs)
f = open(path.join(self.outdir, 'searchindex.pickle'), 'wb')
try:
self.indexer.dump(f, 'pickle')
finally:
f.close()
# copy the environment file from the doctree dir to the output dir
# as needed by the web app
shutil.copyfile(path.join(self.doctreedir, builders.ENV_PICKLE_FILENAME),
path.join(self.outdir, builders.ENV_PICKLE_FILENAME))
# touch 'last build' file, used by the web application to determine
# when to reload its environment and clear the cache
open(path.join(self.outdir, builders.LAST_BUILD_FILENAME), 'w').close()
builders.PickleHTMLBuilder.handle_finish = handle_finish
class DjangoStandaloneHTMLBuilder(builders_html.StandaloneHTMLBuilder):
"""
Subclass to add some extra things we need.
"""
name = 'djangohtml'
def finish(self):
super(DjangoStandaloneHTMLBuilder, self).finish()
if json is None:
self.warn("cannot create templatebuiltins.js due to missing simplejson dependency")
return
self.info(bold("writing templatebuiltins.js..."))
xrefs = self.env.reftargets.keys()
templatebuiltins = dict([('ttags', [n for (t,n) in xrefs if t == 'ttag']),
('tfilters', [n for (t,n) in xrefs if t == 'tfilter'])])
outfilename = os.path.join(self.outdir, "templatebuiltins.js")
f = open(outfilename, 'wb')
f.write('var django_template_builtins = ')
json.dump(templatebuiltins, f)
f.write(';\n')
f.close();
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