✏️ Editing: dbapi_extension.py Read Only

# -*- coding: utf-8 -*-
"""
    extension
    ~~~~~~~~~

A directive to create a box warning that a certain bit of Psycopg is an
    extension to the DBAPI 2.0.

:copyright: Copyright 2010 by Daniele Varrazzo.
"""

from docutils import nodes

from sphinx.locale import _
from docutils.parsers.rst import Directive

class extension_node(nodes.Admonition, nodes.Element): pass

class Extension(Directive):
    """
    An extension entry, displayed as an admonition.
    """

has_content = True
    required_arguments = 0
    optional_arguments = 0
    final_argument_whitespace = False
    option_spec = {}

def run(self):
        node = extension_node('\n'.join(self.content))
        node += nodes.title(_('DB API extension'), _('DB API extension'))
        self.state.nested_parse(self.content, self.content_offset, node)
        node['classes'].append('dbapi-extension')
        return [node]

def visit_extension_node(self, node):
    self.visit_admonition(node)

def depart_extension_node(self, node):
    self.depart_admonition(node)

def setup(app):
    app.add_node(extension_node,
                 html=(visit_extension_node, depart_extension_node),
                 latex=(visit_extension_node, depart_extension_node),
                 text=(visit_extension_node, depart_extension_node))

app.add_directive('extension', Extension)

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