django1/docs/_ext/djangodocs.py

217 lines
7.3 KiB
Python
Raw Normal View History

"""
Sphinx plugins for Django documentation.
"""
import json
import os
import re
from docutils import nodes, transforms
from sphinx import addnodes, roles, __version__ as sphinx_ver
from sphinx.builders.html import StandaloneHTMLBuilder
from sphinx.writers.html import SmartyPantsHTMLTranslator
from sphinx.util.console import bold
from sphinx.util.compat import Directive
# RE for option descriptions without a '--' prefix
simple_option_desc_re = re.compile(
r'([-_a-zA-Z0-9]+)(\s*.*?)(?=,\s+(?:/|-|--)|$)')
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', VersionDirective)
app.add_directive('versionchanged', VersionDirective)
app.add_builder(DjangoStandaloneHTMLBuilder)
class VersionDirective(Directive):
has_content = True
required_arguments = 1
optional_arguments = 1
final_argument_whitespace = True
option_spec = {}
def run(self):
env = self.state.document.settings.env
arg0 = self.arguments[0]
is_nextversion = env.config.django_next_version == arg0
ret = []
node = addnodes.versionmodified()
ret.append(node)
if not is_nextversion:
if len(self.arguments) == 1:
linktext = 'Please see the release notes </releases/%s>' % (arg0)
xrefs = roles.XRefRole()('doc', linktext, linktext, self.lineno, self.state)
node.extend(xrefs[0])
node['version'] = arg0
else:
node['version'] = "Development version"
node['type'] = self.name
if len(self.arguments) == 2:
inodes, messages = self.state.inline_text(self.arguments[1], self.lineno+1)
node.extend(inodes)
if self.content:
self.state.nested_parse(self.content, self.content_offset, node)
ret = ret + messages
env.note_versionchange(node['type'], node['version'], node, self.lineno)
return ret
class DjangoHTMLTranslator(SmartyPantsHTMLTranslator):
"""
Django-specific reST to HTML tweaks.
"""
# Don't use border=1, which docutils does by default.
def visit_table(self, node):
self._table_row_index = 0 # Needed by Sphinx
self.body.append(self.starttag(node, 'table', CLASS='docutils'))
# <big>? Really?
def visit_desc_parameterlist(self, node):
self.body.append('(')
self.first_param = 1
self.param_separator = node.child_text_separator
def depart_desc_parameterlist(self, node):
self.body.append(')')
if sphinx_ver < '1.0.8':
#
# Don't apply smartypants to literal blocks
#
def visit_literal_block(self, node):
self.no_smarty += 1
SmartyPantsHTMLTranslator.visit_literal_block(self, node)
def depart_literal_block(self, node):
SmartyPantsHTMLTranslator.depart_literal_block(self, node)
self.no_smarty -= 1
#
# Turn the "new in version" stuff (versionadded/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 change
# that to accomodate other language docs, but I can't work out how to make
# that work.
#
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
def visit_section(self, node):
old_ids = node.get('ids', [])
node['ids'] = ['s-' + i for i in old_ids]
node['ids'].extend(old_ids)
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 += 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.domains.std 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 count:
for m in simple_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
class DjangoStandaloneHTMLBuilder(StandaloneHTMLBuilder):
"""
Subclass to add some extra things we need.
"""
name = 'djangohtml'
def finish(self):
super(DjangoStandaloneHTMLBuilder, self).finish()
self.info(bold("writing templatebuiltins.js..."))
xrefs = self.env.domaindata["std"]["objects"]
templatebuiltins = {
"ttags": [n for ((t, n), (l, a)) in xrefs.items()
if t == "templatetag" and l == "ref/templates/builtins"],
"tfilters": [n for ((t, n), (l, a)) in xrefs.items()
if t == "templatefilter" and l == "ref/templates/builtins"],
}
outfilename = os.path.join(self.outdir, "templatebuiltins.js")
with open(outfilename, 'wb') as fp:
fp.write('var django_template_builtins = ')
json.dump(templatebuiltins, fp)
fp.write(';\n')