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from docutils import nodes
from docutils.parsers.rst import Directive
from sphinx.locale import _
from sphinx.util.docutils import SphinxDirective
class todo(nodes.Admonition, nodes.Element):
pass
class todolist(nodes.General, nodes.Element):
pass
def visit_todo_node(self, node):
self.visit_admonition(node)
def depart_todo_node(self, node):
self.depart_admonition(node)
class TodolistDirective(Directive):
def run(self):
return [todolist('')]
class TodoDirective(SphinxDirective):
# this enables content in the directive
has_content = True
def run(self):
targetid = 'todo-%d' % self.env.new_serialno('todo')
targetnode = nodes.target('', '', ids=[targetid])
todo_node = todo('\n'.join(self.content))
todo_node += nodes.title(_('Todo'), _('Todo'))
self.state.nested_parse(self.content, self.content_offset, todo_node)
if not hasattr(self.env, 'todo_all_todos'):
self.env.todo_all_todos = []
self.env.todo_all_todos.append({
'docname': self.env.docname,
'lineno': self.lineno,
'todo': todo_node.deepcopy(),
'target': targetnode,
})
return [targetnode, todo_node]
def purge_todos(app, env, docname):
if not hasattr(env, 'todo_all_todos'):
return
env.todo_all_todos = [todo for todo in env.todo_all_todos
if todo['docname'] != docname]
def process_todo_nodes(app, doctree, fromdocname):
if not app.config.todo_include_todos:
for node in doctree.traverse(todo):
node.parent.remove(node)
# Replace all todolist nodes with a list of the collected todos.
# Augment each todo with a backlink to the original location.
env = app.builder.env
if not hasattr(env, 'todo_all_todos'):
env.todo_all_todos = []
for node in doctree.traverse(todolist):
if not app.config.todo_include_todos:
node.replace_self([])
continue
content = []
for todo_info in env.todo_all_todos:
para = nodes.paragraph()
filename = env.doc2path(todo_info['docname'], base=None)
description = (
_('(The original entry is located in %s, line %d and can be found ') %
(filename, todo_info['lineno']))
para += nodes.Text(description, description)
# Create a reference
newnode = nodes.reference('', '')
innernode = nodes.emphasis(_('here'), _('here'))
newnode['refdocname'] = todo_info['docname']
newnode['refuri'] = app.builder.get_relative_uri(
fromdocname, todo_info['docname'])
newnode['refuri'] += '#' + todo_info['target']['refid']
newnode.append(innernode)
para += newnode
para += nodes.Text('.)', '.)')
# Insert into the todolist
content.append(todo_info['todo'])
content.append(para)
node.replace_self(content)
def setup(app):
app.add_config_value('todo_include_todos', False, 'html')
app.add_node(todolist)
app.add_node(todo,
html=(visit_todo_node, depart_todo_node),
latex=(visit_todo_node, depart_todo_node),
text=(visit_todo_node, depart_todo_node))
app.add_directive('todo', TodoDirective)
app.add_directive('todolist', TodolistDirective)
app.connect('doctree-resolved', process_todo_nodes)
app.connect('env-purge-doc', purge_todos)
return {
'version': '0.1',
'parallel_read_safe': True,
'parallel_write_safe': True,
}
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