251 lines
8.3 KiB
Python
251 lines
8.3 KiB
Python
"""
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Sphinx plugins for Django documentation.
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"""
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import os
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import re
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from docutils import nodes, transforms
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try:
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import json
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except ImportError:
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try:
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import simplejson as json
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except ImportError:
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try:
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from django.utils import simplejson as json
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except ImportError:
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json = None
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from sphinx import addnodes, roles
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from sphinx.builders.html import StandaloneHTMLBuilder
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from sphinx.writers.html import SmartyPantsHTMLTranslator
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from sphinx.util.console import bold
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from sphinx.util.compat import Directive
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# RE for option descriptions without a '--' prefix
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simple_option_desc_re = re.compile(
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r'([-_a-zA-Z0-9]+)(\s*.*?)(?=,\s+(?:/|-|--)|$)')
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def setup(app):
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app.add_crossref_type(
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directivename = "setting",
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rolename = "setting",
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indextemplate = "pair: %s; setting",
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)
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app.add_crossref_type(
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directivename = "templatetag",
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rolename = "ttag",
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indextemplate = "pair: %s; template tag"
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)
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app.add_crossref_type(
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directivename = "templatefilter",
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rolename = "tfilter",
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indextemplate = "pair: %s; template filter"
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)
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app.add_crossref_type(
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directivename = "fieldlookup",
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rolename = "lookup",
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indextemplate = "pair: %s; field lookup type",
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)
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app.add_description_unit(
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directivename = "django-admin",
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rolename = "djadmin",
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indextemplate = "pair: %s; django-admin command",
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parse_node = parse_django_admin_node,
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)
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app.add_description_unit(
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directivename = "django-admin-option",
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rolename = "djadminopt",
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indextemplate = "pair: %s; django-admin command-line option",
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parse_node = parse_django_adminopt_node,
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)
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app.add_config_value('django_next_version', '0.0', True)
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app.add_directive('versionadded', VersionDirective)
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app.add_directive('versionchanged', VersionDirective)
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app.add_transform(SuppressBlockquotes)
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app.add_builder(DjangoStandaloneHTMLBuilder)
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class VersionDirective(Directive):
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has_content = True
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required_arguments = 1
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optional_arguments = 1
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final_argument_whitespace = True
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option_spec = {}
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def run(self):
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env = self.state.document.settings.env
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arg0 = self.arguments[0]
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is_nextversion = env.config.django_next_version == arg0
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ret = []
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node = addnodes.versionmodified()
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ret.append(node)
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if not is_nextversion:
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if len(self.arguments) == 1:
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linktext = 'Please, see the release notes </releases/%s>' % (arg0)
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xrefs = roles.XRefRole()('doc', linktext, linktext, self.lineno, self.state)
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node.extend(xrefs[0])
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node['version'] = arg0
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else:
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node['version'] = "Development version"
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node['type'] = self.name
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if len(self.arguments) == 2:
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inodes, messages = self.state.inline_text(self.arguments[1], self.lineno+1)
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node.extend(inodes)
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if self.content:
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self.state.nested_parse(self.content, self.content_offset, node)
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ret = ret + messages
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env.note_versionchange(node['type'], node['version'], node, self.lineno)
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return ret
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class SuppressBlockquotes(transforms.Transform):
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"""
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Remove the default blockquotes that encase indented list, tables, etc.
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"""
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default_priority = 300
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suppress_blockquote_child_nodes = (
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nodes.bullet_list,
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nodes.enumerated_list,
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nodes.definition_list,
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nodes.literal_block,
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nodes.doctest_block,
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nodes.line_block,
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nodes.table
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)
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def apply(self):
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for node in self.document.traverse(nodes.block_quote):
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if len(node.children) == 1 and isinstance(node.children[0], self.suppress_blockquote_child_nodes):
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node.replace_self(node.children[0])
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class DjangoHTMLTranslator(SmartyPantsHTMLTranslator):
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"""
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Django-specific reST to HTML tweaks.
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"""
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# Don't use border=1, which docutils does by default.
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def visit_table(self, node):
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self._table_row_index = 0 # Needed by Sphinx
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self.body.append(self.starttag(node, 'table', CLASS='docutils'))
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# <big>? Really?
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def visit_desc_parameterlist(self, node):
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self.body.append('(')
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self.first_param = 1
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self.param_separator = node.child_text_separator
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def depart_desc_parameterlist(self, node):
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self.body.append(')')
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#
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# Don't apply smartypants to literal blocks
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#
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def visit_literal_block(self, node):
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self.no_smarty += 1
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SmartyPantsHTMLTranslator.visit_literal_block(self, node)
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def depart_literal_block(self, node):
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SmartyPantsHTMLTranslator.depart_literal_block(self, node)
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self.no_smarty -= 1
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#
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# Turn the "new in version" stuff (versionadded/versionchanged) into a
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# better callout -- the Sphinx default is just a little span,
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# which is a bit less obvious that I'd like.
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#
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# FIXME: these messages are all hardcoded in English. We need to change
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# that to accomodate other language docs, but I can't work out how to make
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# that work.
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#
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version_text = {
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'deprecated': 'Deprecated in Django %s',
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'versionchanged': 'Changed in Django %s',
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'versionadded': 'New in Django %s',
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}
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def visit_versionmodified(self, node):
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self.body.append(
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self.starttag(node, 'div', CLASS=node['type'])
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)
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title = "%s%s" % (
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self.version_text[node['type']] % node['version'],
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len(node) and ":" or "."
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)
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self.body.append('<span class="title">%s</span> ' % title)
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def depart_versionmodified(self, node):
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self.body.append("</div>\n")
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# Give each section a unique ID -- nice for custom CSS hooks
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def visit_section(self, node):
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old_ids = node.get('ids', [])
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node['ids'] = ['s-' + i for i in old_ids]
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node['ids'].extend(old_ids)
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SmartyPantsHTMLTranslator.visit_section(self, node)
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node['ids'] = old_ids
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def parse_django_admin_node(env, sig, signode):
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command = sig.split(' ')[0]
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env._django_curr_admin_command = command
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title = "django-admin.py %s" % sig
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signode += addnodes.desc_name(title, title)
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return sig
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def parse_django_adminopt_node(env, sig, signode):
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"""A copy of sphinx.directives.CmdoptionDesc.parse_signature()"""
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from sphinx.domains.std import option_desc_re
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count = 0
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firstname = ''
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for m in option_desc_re.finditer(sig):
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optname, args = m.groups()
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if count:
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signode += addnodes.desc_addname(', ', ', ')
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signode += addnodes.desc_name(optname, optname)
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signode += addnodes.desc_addname(args, args)
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if not count:
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firstname = optname
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count += 1
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if not count:
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for m in simple_option_desc_re.finditer(sig):
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optname, args = m.groups()
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if count:
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signode += addnodes.desc_addname(', ', ', ')
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signode += addnodes.desc_name(optname, optname)
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signode += addnodes.desc_addname(args, args)
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if not count:
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firstname = optname
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count += 1
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if not firstname:
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raise ValueError
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return firstname
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class DjangoStandaloneHTMLBuilder(StandaloneHTMLBuilder):
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"""
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Subclass to add some extra things we need.
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"""
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name = 'djangohtml'
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def finish(self):
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super(DjangoStandaloneHTMLBuilder, self).finish()
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if json is None:
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self.warn("cannot create templatebuiltins.js due to missing simplejson dependency")
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return
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self.info(bold("writing templatebuiltins.js..."))
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xrefs = self.env.domaindata["std"]["objects"]
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templatebuiltins = {
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"ttags": [n for ((t, n), (l, a)) in xrefs.items()
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if t == "templatetag" and l == "ref/templates/builtins"],
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"tfilters": [n for ((t, n), (l, a)) in xrefs.items()
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if t == "templatefilter" and l == "ref/templates/builtins"],
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}
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outfilename = os.path.join(self.outdir, "templatebuiltins.js")
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f = open(outfilename, 'wb')
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f.write('var django_template_builtins = ')
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json.dump(templatebuiltins, f)
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f.write(';\n')
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f.close();
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