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# -*- coding: utf-8 -*-
"""
sphinx.builders.xml
~~~~~~~~~~~~~~~~~~~
Docutils-native XML and pseudo-XML builders.
:copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import codecs
from os import path
from docutils import nodes
from docutils.io import StringOutput
from docutils.writers.docutils_xml import XMLTranslator
from sphinx.builders import Builder
from sphinx.util import logging
from sphinx.util.osutil import ensuredir, os_path
from sphinx.writers.xml import XMLWriter, PseudoXMLWriter
if False:
# For type annotation
from typing import Any, Dict, Iterator, Set # NOQA
from sphinx.application import Sphinx # NOQA
logger = logging.getLogger(__name__)
class XMLBuilder(Builder):
"""
Builds Docutils-native XML.
"""
name = 'xml'
format = 'xml'
out_suffix = '.xml'
allow_parallel = True
_writer_class = XMLWriter
default_translator_class = XMLTranslator
def init(self):
# type: () -> None
pass
def get_outdated_docs(self):
# type: () -> Iterator[unicode]
for docname in self.env.found_docs:
if docname not in self.env.all_docs:
yield docname
continue
targetname = self.env.doc2path(docname, self.outdir,
self.out_suffix)
try:
targetmtime = path.getmtime(targetname)
except Exception:
targetmtime = 0
try:
srcmtime = path.getmtime(self.env.doc2path(docname))
if srcmtime > targetmtime:
yield docname
except EnvironmentError:
# source doesn't exist anymore
pass
def get_target_uri(self, docname, typ=None):
# type: (unicode, unicode) -> unicode
return docname
def prepare_writing(self, docnames):
# type: (Set[unicode]) -> None
self.writer = self._writer_class(self)
def write_doc(self, docname, doctree):
# type: (unicode, nodes.Node) -> None
# work around multiple string % tuple issues in docutils;
# replace tuples in attribute values with lists
doctree = doctree.deepcopy()
for node in doctree.traverse(nodes.Element):
for att, value in node.attributes.items():
if isinstance(value, tuple):
node.attributes[att] = list(value)
value = node.attributes[att]
if isinstance(value, list):
for i, val in enumerate(value):
if isinstance(val, tuple):
value[i] = list(val)
destination = StringOutput(encoding='utf-8')
self.writer.write(doctree, destination)
outfilename = path.join(self.outdir, os_path(docname) + self.out_suffix)
ensuredir(path.dirname(outfilename))
try:
with codecs.open(outfilename, 'w', 'utf-8') as f: # type: ignore
f.write(self.writer.output)
except (IOError, OSError) as err:
logger.warning("error writing file %s: %s", outfilename, err)
def finish(self):
# type: () -> None
pass
class PseudoXMLBuilder(XMLBuilder):
"""
Builds pseudo-XML for display purposes.
"""
name = 'pseudoxml'
format = 'pseudoxml'
out_suffix = '.pseudoxml'
_writer_class = PseudoXMLWriter
def setup(app):
# type: (Sphinx) -> Dict[unicode, Any]
app.add_builder(XMLBuilder)
app.add_builder(PseudoXMLBuilder)
app.add_config_value('xml_pretty', True, 'env')
return {
'version': 'builtin',
'parallel_read_safe': True,
'parallel_write_safe': True,
}
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