def export(nbname, outfilename=None):
exportRST = RSTExporter()
# exclude default paths
exportRST.template_path = ['.','/Users/adam/repos/blog']
(body,resources) = exportRST.from_filename(nbname)
if outfilename is None:
outfilename = nbname.replace("ipynb","rst")
with open(outfilename,'w') as f:
f.write(body)
return body,resources
def export(nbname, outfilename=None):
exportRST = RSTExporter()
# exclude default paths
# exportRST.template_path = ['.','/Users/adam/repos/blog']
(body,resources) = exportRST.from_filename(nbname)
if outfilename is None:
outfilename = nbname.replace("ipynb","rst")
with open(outfilename,'w') as f:
f.write(body[1:].lstrip()) # offset because it puts in a blank line at top?
return body,resources
class IPyNBReader(BaseReader):
enabled = bool(RSTExporter)
file_extensions = ['ipynb']
if RSTExporter:
exporter = RSTExporter()
exporter.register_preprocessor(extract_blogdata)
exporter.register_preprocessor(append_new_line_to_cell)
def __init__(self, *args, **kwargs):
super(IPyNBReader, self).__init__(*args, **kwargs)
def _get_publisher(self, contents):
"""
Stolen from :class:`~Pelican.readers.RstReader` almost
verbatim, except for the source which now is a file-like object.
"""
extra_params = {
'initial_header_level': '2',
'syntax_highlight': 'short',
'input_encoding': 'utf-8',
'exit_status_level': 2,
'embed_stylesheet': False
}
user_params = self.settings.get('DOCUTILS_SETTINGS', None)
if user_params:
extra_params.update(user_params)
pub = docutils.core.Publisher(
source_class=RstReader.FileInput,
destination_class=docutils.io.StringOutput)
pub.set_components('standalone', 'restructuredtext', 'html')
pub.writer.translator_class = PelicanHTMLTranslator
pub.process_programmatic_settings(None, extra_params, None)
pub.set_source(source=contents)
pub.publish(enable_exit_status=True)
return pub
def read(self, filename):
contents, metadata = self.exporter.from_filename(filename)
publisher = self._get_publisher(contents=StringIO(contents))
parts = publisher.writer.parts
contents = parts.get('body')
blogdata = metadata.pop('blogdata')
parsed = {k: self.process_metadata(k, v) for k, v in blogdata.items()}
return contents, parsed
@classmethod
def register_preprocessor(cls, preprocessor, enabled=True):
'''Helper method to register extra preprocessors onto the RST exporter.
'''
return cls.exporter.register_preprocessor(preprocessor, enabled)
