def latexformula_role(name,
rawtext,
text,
lineno,
inliner,
options={},
content=[]):
if _backend == 'latex':
options['format'] = 'latex'
return roles.raw_role(name, rawtext, text, lineno, inliner, options,
content)
else:
# XXX: make the place of the image directory configurable
sourcedir = py.path.local(inliner.document.settings._source).dirpath()
imagedir = sourcedir.join("img")
if not imagedir.check():
imagedir.mkdir()
# create halfway senseful imagename:
# use hash of formula + alphanumeric characters of it
# could
imagename = "%s_%s.png" % (hash(text), "".join(
[c for c in text if c.isalnum()]))
image = imagedir.join(imagename)
latexformula2png(unescape(text, True), image)
imagenode = nodes.image(image.relto(sourcedir),
uri=image.relto(sourcedir))
return [imagenode], []
def _raw_HTML_role(
# _`roleName`: the local name of the interpreted role, the role name actually used in the document.
roleName,
# _`rawtext` is a string containing the enitre interpreted text input, including the role and markup. Return it as a problematic node linked to a system message if a problem is encountered.
rawtext,
# The interpreted _`text` content.
text,
# The line number (_`lineno`) where the interpreted text begins.
lineno,
# _`inliner` is the docutils.parsers.rst.states.Inliner object that called this function. It contains the several attributes useful for error reporting and document tree access.
inliner,
# A dictionary of directive _`options` for customization (from the "role" directive), to be interpreted by this function. Used for additional attributes for the generated elements and other functionality.
options={},
# A list of strings, the directive _`content` for customization (from the "role" directive). To be interpreted by the role function.
content=[]):
return roles.raw_role(roleName, rawtext, text, lineno, inliner, {'format': 'html'}, content)
def latexformula_role(name, rawtext, text, lineno, inliner,
options={}, content=[]):
if _backend == 'latex':
options['format'] = 'latex'
return roles.raw_role(name, rawtext, text, lineno, inliner,
options, content)
else:
# XXX: make the place of the image directory configurable
sourcedir = py.path.local(inliner.document.settings._source).dirpath()
imagedir = sourcedir.join("img")
if not imagedir.check():
imagedir.mkdir()
# create halfway senseful imagename:
# use hash of formula + alphanumeric characters of it
# could
imagename = "%s_%s.png" % (
hash(text), "".join([c for c in text if c.isalnum()]))
image = imagedir.join(imagename)
latexformula2png(unescape(text, True), image)
imagenode = nodes.image(image.relto(sourcedir), uri=image.relto(sourcedir))
return [imagenode], []
def raw_html_role(*args, options={}, **kw):
options["format"] = "html"
from docutils.parsers.rst.roles import raw_role
return raw_role(*args, options=options, **kw)
