"""
sphinxcontrib.serializinghtml
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
:copyright: Copyright 2007-2019 by the Sphinx team, see README.
:license: BSD, see LICENSE for details.
"""
import pickle
import types
from os import path
from typing import Any, Dict
from sphinx.application import ENV_PICKLE_FILENAME, Sphinx
from sphinx.builders.html import BuildInfo, StandaloneHTMLBuilder
from sphinx.locale import get_translation
from sphinx.util.osutil import SEP, copyfile, ensuredir, os_path
from sphinxcontrib.serializinghtml import jsonimpl
from sphinxcontrib.serializinghtml.version import __version__
if False:
# For type annotation
from typing import Any, Dict, Tuple # NOQA
package_dir = path.abspath(path.dirname(__file__))
__ = get_translation(__name__, 'console')
#: the filename for the "last build" file (for serializing builders)
LAST_BUILD_FILENAME = 'last_build'
[文档]class SerializingHTMLBuilder(StandaloneHTMLBuilder):
"""
An abstract builder that serializes the generated HTML.
"""
#: the serializing implementation to use. Set this to a module that
#: implements a `dump`, `load`, `dumps` and `loads` functions
#: (pickle, simplejson etc.)
implementation = None # type: Any
implementation_dumps_unicode = False
#: additional arguments for dump()
additional_dump_args = () # type: Tuple
#: the filename for the global context file
globalcontext_filename = None # type: str
supported_image_types = ['image/svg+xml', 'image/png',
'image/gif', 'image/jpeg']
def init(self):
# type: () -> None
self.build_info = BuildInfo(self.config, self.tags)
self.imagedir = '_images'
self.current_docname = None
self.theme = None # no theme necessary
self.templates = None # no template bridge necessary
self.init_templates()
self.init_highlighter()
self.init_css_files()
self.init_js_files()
self.use_index = self.get_builder_config('use_index', 'html')
def get_target_uri(self, docname, typ=None):
# type: (str, str) -> str
if docname == 'index':
return ''
if docname.endswith(SEP + 'index'):
return docname[:-5] # up to sep
return docname + SEP
def dump_context(self, context, filename):
# type: (Dict, str) -> None
if self.implementation_dumps_unicode:
with open(filename, 'w', encoding='utf-8') as ft:
self.implementation.dump(context, ft, *self.additional_dump_args)
else:
with open(filename, 'wb') as fb:
self.implementation.dump(context, fb, *self.additional_dump_args)
def handle_page(self, pagename, ctx, templatename='page.html',
outfilename=None, event_arg=None):
# type: (str, Dict, str, str, Any) -> None
ctx['current_page_name'] = pagename
self.add_sidebars(pagename, ctx)
if not outfilename:
outfilename = path.join(self.outdir,
os_path(pagename) + self.out_suffix)
# we're not taking the return value here, since no template is
# actually rendered
self.app.emit('html-page-context', pagename, templatename, ctx, event_arg)
# make context object serializable
for key in list(ctx):
if isinstance(ctx[key], types.FunctionType):
del ctx[key]
ensuredir(path.dirname(outfilename))
self.dump_context(ctx, outfilename)
# if there is a source file, copy the source file for the
# "show source" link
if ctx.get('sourcename'):
source_name = path.join(self.outdir, '_sources',
os_path(ctx['sourcename']))
ensuredir(path.dirname(source_name))
copyfile(self.env.doc2path(pagename), source_name)
def handle_finish(self):
# type: () -> None
# dump the global context
outfilename = path.join(self.outdir, self.globalcontext_filename)
self.dump_context(self.globalcontext, outfilename)
# super here to dump the search index
super().handle_finish()
# copy the environment file from the doctree dir to the output dir
# as needed by the web app
copyfile(path.join(self.doctreedir, ENV_PICKLE_FILENAME),
path.join(self.outdir, ENV_PICKLE_FILENAME))
# touch 'last build' file, used by the web application to determine
# when to reload its environment and clear the cache
open(path.join(self.outdir, LAST_BUILD_FILENAME), 'w').close()
[文档]class PickleHTMLBuilder(SerializingHTMLBuilder):
"""
A Builder that dumps the generated HTML into pickle files.
"""
name = 'pickle'
epilog = __('You can now process the pickle files in %(outdir)s.')
implementation = pickle
implementation_dumps_unicode = False
additional_dump_args = (pickle.HIGHEST_PROTOCOL,)
indexer_format = pickle
indexer_dumps_unicode = False
out_suffix = '.fpickle'
globalcontext_filename = 'globalcontext.pickle'
searchindex_filename = 'searchindex.pickle'
[文档]class JSONHTMLBuilder(SerializingHTMLBuilder):
"""
A builder that dumps the generated HTML into JSON files.
"""
name = 'json'
epilog = __('You can now process the JSON files in %(outdir)s.')
implementation = jsonimpl
implementation_dumps_unicode = True
indexer_format = jsonimpl
indexer_dumps_unicode = True
out_suffix = '.fjson'
globalcontext_filename = 'globalcontext.json'
searchindex_filename = 'searchindex.json'
def setup(app: Sphinx) -> Dict[str, Any]:
app.setup_extension('sphinx.builders.html')
app.add_builder(JSONHTMLBuilder)
app.add_builder(PickleHTMLBuilder)
app.add_message_catalog(__name__, path.join(package_dir, 'locales'))
return {
'version': __version__,
'parallel_read_safe': True,
'parallel_write_safe': True,
}
