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# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.
from __future__ import absolute_import, division, print_function
from docutils import nodes
from docutils.parsers.rst import Directive
DANGER_MESSAGE = """
This is a "Hazardous Materials" module. You should **ONLY** use it if you're
100% absolutely sure that you know what you're doing because this module is
full of land mines, dragons, and dinosaurs with laser guns.
"""
DANGER_ALTERNATE = """
You may instead be interested in :doc:`{alternate}`.
"""
class HazmatDirective(Directive):
has_content = True
def run(self):
message = DANGER_MESSAGE
if self.content:
message += DANGER_ALTERNATE.format(alternate=self.content[0])
content = nodes.paragraph("", message)
admonition_node = Hazmat("\n".join(content))
self.state.nested_parse(content, self.content_offset, admonition_node)
admonition_node.line = self.lineno
return [admonition_node]
class Hazmat(nodes.Admonition, nodes.Element):
pass
def html_visit_hazmat_node(self, node):
return self.visit_admonition(node, "danger")
def latex_visit_hazmat_node(self, node):
return self.visit_admonition(node)
def depart_hazmat_node(self, node):
return self.depart_admonition(node)
def setup(app):
app.add_node(
Hazmat,
html=(html_visit_hazmat_node, depart_hazmat_node),
latex=(latex_visit_hazmat_node, depart_hazmat_node),
)
app.add_directive("hazmat", HazmatDirective)
return {
"parallel_read_safe": True,
}