You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
91 lines
3.0 KiB
91 lines
3.0 KiB
"""LaTeX Exporter class"""
|
|
|
|
# Copyright (c) Jupyter Development Team.
|
|
# Distributed under the terms of the Modified BSD License.
|
|
|
|
import os
|
|
|
|
from traitlets import Unicode, default
|
|
from traitlets.config import Config
|
|
from jupyter_core.paths import jupyter_path
|
|
|
|
from nbconvert.filters.highlight import Highlight2Latex
|
|
from nbconvert.filters.filter_links import resolve_references
|
|
from .templateexporter import TemplateExporter
|
|
|
|
class LatexExporter(TemplateExporter):
|
|
"""
|
|
Exports to a Latex template. Inherit from this class if your template is
|
|
LaTeX based and you need custom transformers/filters.
|
|
If you don't need custom transformers/filters, just change the
|
|
'template_file' config option. Place your template in the special "/latex"
|
|
subfolder of the "../templates" folder.
|
|
"""
|
|
export_from_notebook = "LaTeX"
|
|
|
|
@default('file_extension')
|
|
def _file_extension_default(self):
|
|
return '.tex'
|
|
|
|
|
|
@default('template_data_paths')
|
|
def _template_data_paths_default(self):
|
|
return jupyter_path("nbconvert", "templates", "latex")
|
|
|
|
@default('template_name')
|
|
def _template_name_default(self):
|
|
return 'latex'
|
|
|
|
output_mimetype = 'text/latex'
|
|
|
|
def default_filters(self):
|
|
for x in super().default_filters():
|
|
yield x
|
|
yield ('resolve_references', resolve_references)
|
|
|
|
@property
|
|
def default_config(self):
|
|
c = Config({
|
|
'NbConvertBase': {
|
|
'display_data_priority' : ['text/latex', 'application/pdf', 'image/png', 'image/jpeg', 'image/svg+xml', 'text/markdown', 'text/plain']
|
|
},
|
|
'ExtractOutputPreprocessor': {
|
|
'enabled':True
|
|
},
|
|
'SVG2PDFPreprocessor': {
|
|
'enabled':True
|
|
},
|
|
'LatexPreprocessor': {
|
|
'enabled':True
|
|
},
|
|
'SphinxPreprocessor': {
|
|
'enabled':True
|
|
},
|
|
'HighlightMagicsPreprocessor': {
|
|
'enabled':True
|
|
}
|
|
})
|
|
c.merge(super().default_config)
|
|
return c
|
|
|
|
def from_notebook_node(self, nb, resources=None, **kw):
|
|
langinfo = nb.metadata.get('language_info', {})
|
|
lexer = langinfo.get('pygments_lexer', langinfo.get('name', None))
|
|
highlight_code = self.filters.get('highlight_code', Highlight2Latex(pygments_lexer=lexer, parent=self))
|
|
self.register_filter('highlight_code', highlight_code)
|
|
|
|
return super().from_notebook_node(nb, resources, **kw)
|
|
|
|
def _create_environment(self):
|
|
environment = super()._create_environment()
|
|
|
|
# Set special Jinja2 syntax that will not conflict with latex.
|
|
environment.block_start_string = "((*"
|
|
environment.block_end_string = "*))"
|
|
environment.variable_start_string = "((("
|
|
environment.variable_end_string = ")))"
|
|
environment.comment_start_string = "((="
|
|
environment.comment_end_string = "=))"
|
|
|
|
return environment
|