def from_notebook(nb, master):
"""Convert an nbformat.NotebookNode to a Presentation object"""
pres = Presentation(master)
slides = []
for cell in nb.cells:
if not cell.metadata.get("jupyterlab_powerpoint"):
continue
meta = cell.metadata.get("jupyterlab_powerpoint")
slide_number = int(meta["slide"])
type = meta["type"]
placeholder = meta["placeholder"]
while slide_number > len(slides):
slides.append(None)
if slides[slide_number - 1] is None:
slides[slide_number - 1] = pres.new_slide(type)
slide = slides[slide_number - 1]
part = slide.new_part(placeholder)
if part.has_text_frame:
part.text_frame.text = pandoc(cell["source"], "markdown",
"opendocument")
for slide in slides:
if slide is None:
raise Exception("Slide gap")
return pres
def pandoc_convert_links(source):
return pandoc(source,
'markdown',
'latex',
extra_args=[
'--filter',
filter_links,
'--listings -H',
listings,
])
def run(self): # check if there are spaces in the notebook name
md_path = self.arguments[0]
if ' ' in md_path:
raise ValueError(
"Due to issues with docutils stripping spaces from links, white "
"space is not allowed in notebook filenames '{0}'".format(
md_path))
# check if raw html is supported
if not self.state.document.settings.raw_enabled:
raise self.warning('"%s" directive disabled.' % self.name)
# get path to markdown file
md_filename = self.arguments[0]
md_dir = os.path.join(setup.confdir, '..')
md_abs_path = os.path.abspath(os.path.join(md_dir, md_filename))
with open(md_abs_path) as file:
source = file.read()
ptype = self.pandoc_from
if 'from' in self.options:
ptype = self.options['from']
if ptype is '':
ptype = 'markdown'
# if ptype != '':
# arglist = ['pandoc', '--from=' + ptype, '--to=rst', md_abs_path]
# else:
# arglist = ['pandoc', '--to=rst', md_abs_path]
#
# p = subprocess.Popen(arglist,
# stdout=subprocess.PIPE,
# stderr=subprocess.PIPE
# )
#
# out, err = p.communicate()
#
# print(out)
out = pandoc(source, ptype, 'rst')
settings = OptionParser(components=(Parser, )).get_default_values()
parser = Parser()
document = new_document('DOC', settings)
parser.parse(out, document)
return [node for node in document]
def run(self): # check if there are spaces in the notebook name
md_path = self.arguments[0]
if ' ' in md_path: raise ValueError(
"Due to issues with docutils stripping spaces from links, white "
"space is not allowed in notebook filenames '{0}'".format(md_path))
# check if raw html is supported
if not self.state.document.settings.raw_enabled:
raise self.warning('"%s" directive disabled.' % self.name)
# get path to markdown file
md_filename = self.arguments[0]
md_dir = os.path.join(setup.confdir, '..')
md_abs_path = os.path.abspath(os.path.join(md_dir, md_filename))
with open(md_abs_path) as file:
source = file.read()
ptype = self.pandoc_from
if 'from' in self.options:
ptype = self.options['from']
if ptype is '':
ptype = 'markdown'
# if ptype != '':
# arglist = ['pandoc', '--from=' + ptype, '--to=rst', md_abs_path]
# else:
# arglist = ['pandoc', '--to=rst', md_abs_path]
#
# p = subprocess.Popen(arglist,
# stdout=subprocess.PIPE,
# stderr=subprocess.PIPE
# )
#
# out, err = p.communicate()
#
# print(out)
out = pandoc(source, ptype, 'rst')
settings = OptionParser(components=(Parser,)).get_default_values()
parser = Parser()
document = new_document('DOC', settings)
parser.parse(out, document)
return [node for node in document]
def markdown2rst(source, extra_args=None):
"""Convert a markdown string to ReST via pandoc.
This function will raise an error if pandoc is not installed.
Any error messages generated by pandoc are printed to stderr.
Parameters
----------
source : string
Input string, assumed to be valid markdown.
Returns
-------
out : string
Output as returned by pandoc.
"""
return pandoc(source, 'markdown', 'rst', extra_args=extra_args)
def markdown2rst(source, extra_args=None):
"""Convert a markdown string to ReST via pandoc.
This function will raise an error if pandoc is not installed.
Any error messages generated by pandoc are printed to stderr.
Parameters
----------
source : string
Input string, assumed to be valid markdown.
Returns
-------
out : string
Output as returned by pandoc.
"""
return pandoc(source, "markdown", "rst", extra_args=extra_args)
def replacement(a):
import textwrap
w=a.group(0)
theenv=a.group(1)
tobetranslated=a.group(2)
tobetranslated=textwrap.dedent(tobetranslated)
if theenv in environmentMap:
tobetranslated=tobetranslated.replace(r'\item',r'/item') #pandoc does not translate lines beginning with \item
out=pandoc(tobetranslated, 'markdown', 'latex')
out=out.replace(r'/item',r'\item')
result = '/begin{' + theenv + '}\n'+ out + '\n\end{' + theenv + '}';
else:
tobetranslated=tobetranslated.replace('\\begin','/begin')
result = '/begin{' + theenv + '}'+ tobetranslated + '\end{' + theenv + '}';
#the transform \begin --> /begin is done in order to avoid the group to match again
#print(result)
return result
def markdown2latex(source, markup='markdown', extra_args=None):
"""Convert a markdown string to LaTeX via pandoc.
This function will raise an error if pandoc is not installed.
Any error messages generated by pandoc are printed to stderr.
Parameters
----------
source : string
Input string, assumed to be valid markdown.
markup : string
Markup used by pandoc's reader
default : pandoc extended markdown
(see http://johnmacfarlane.net/pandoc/README.html#pandocs-markdown)
Returns
-------
out : string
Output as returned by pandoc.
"""
return pandoc(source, markup, 'latex', extra_args=extra_args)
def markdown2latex(source, markup="markdown", extra_args=None):
"""Convert a markdown string to LaTeX via pandoc.
This function will raise an error if pandoc is not installed.
Any error messages generated by pandoc are printed to stderr.
Parameters
----------
source : string
Input string, assumed to be valid markdown.
markup : string
Markup used by pandoc's reader
default : pandoc extended markdown
(see http://johnmacfarlane.net/pandoc/README.html#pandocs-markdown)
Returns
-------
out : string
Output as returned by pandoc.
"""
return pandoc(source, markup, "latex", extra_args=extra_args)
def convert_pandoc(source, from_format, to_format, extra_args=None):
"""Convert between any two formats using pandoc.
This function will raise an error if pandoc is not installed.
Any error messages generated by pandoc are printed to stderr.
Parameters
----------
source : string
Input string, assumed to be valid in from_format.
from_format : string
Pandoc format of source.
to_format : string
Pandoc format for output.
Returns
-------
out : string
Output as returned by pandoc.
"""
return pandoc(source, from_format, to_format, extra_args=extra_args)
def convert_pandoc(source, from_format, to_format, extra_args=None):
"""Convert between any two formats using pandoc.
This function will raise an error if pandoc is not installed.
Any error messages generated by pandoc are printed to stderr.
Parameters
----------
source : string
Input string, assumed to be valid in from_format.
from_format : string
Pandoc format of source.
to_format : string
Pandoc format for output.
Returns
-------
out : string
Output as returned by pandoc.
"""
return pandoc(source, from_format, to_format, extra_args=extra_args)
def markdown2html_pandoc(source, extra_args=None):
"""Convert a markdown string to HTML via pandoc"""
extra_args = extra_args or ['--mathjax']
return pandoc(source, 'markdown', 'html', extra_args=extra_args)
def markdown2html_pandoc(source, extra_args=None):
"""Convert a markdown string to HTML via pandoc"""
extra_args = extra_args or ["--mathjax"]
return pandoc(source, "markdown", "html", extra_args=extra_args)
def markdown2html_pandoc(source, extra_args=None):
"""Convert a markdown string to HTML via pandoc"""
extra_args = extra_args or ['--mathjax']
return pandoc(source, 'markdown', 'html', extra_args=extra_args)
def pandoc_convert_links(source):
return pandoc(source,
'markdown',
'latex',
extra_args=['--filter', filter_links])
def pandoc_convert_links(source):
return pandoc(source,
"markdown",
"latex",
extra_args=["--filter", filter_links])
def pandoc_convert_links(source):
return pandoc(source, 'markdown', 'latex', extra_args=['--filter', filter_links])
