+"""
+Sphinx plugins for Django documentation.
+"""
+import os
+import re
+
+from docutils import nodes, 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
+
+from sphinx import addnodes, roles
+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_transform(SuppressBlockquotes)
+ 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 SuppressBlockquotes(transforms.Transform):
+ """
+ Remove the default blockquotes that encase indented list, tables, etc.
+ """
+ default_priority = 300
+
+ suppress_blockquote_child_nodes = (
+ nodes.bullet_list,
+ nodes.enumerated_list,
+ nodes.definition_list,
+ nodes.literal_block,
+ nodes.doctest_block,
+ nodes.line_block,
+ nodes.table
+ )
+
+ def apply(self):
+ for node in self.document.traverse(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(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(')')
+
+ #
+ # 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()
+ 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.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")
+ f = open(outfilename, 'wb')
+ f.write('var django_template_builtins = ')
+ json.dump(templatebuiltins, f)
+ f.write(';\n')
+ f.close();