##// END OF EJS Templates
Add no_kernel.Kernel event
Add no_kernel.Kernel event

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latex.py
63 lines | 1.8 KiB | text/x-python | PythonLexer
"""Latex filters.
Module of useful filters for processing Latex within Jinja latex templates.
"""
#-----------------------------------------------------------------------------
# Copyright (c) 2013, the IPython Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
import re
#-----------------------------------------------------------------------------
# Globals and constants
#-----------------------------------------------------------------------------
LATEX_RE_SUBS = (
(re.compile(r'\.\.\.+'), r'{\\ldots}'),
)
# Latex substitutions for escaping latex.
# see: http://stackoverflow.com/questions/16259923/how-can-i-escape-latex-special-characters-inside-django-templates
LATEX_SUBS = {
'&': r'\&',
'%': r'\%',
'$': r'\$',
'#': r'\#',
'_': r'\_',
'{': r'\{',
'}': r'\}',
'~': r'\textasciitilde{}',
'^': r'\^{}',
'\\': r'\textbackslash{}',
}
#-----------------------------------------------------------------------------
# Functions
#-----------------------------------------------------------------------------
__all__ = ['escape_latex']
def escape_latex(text):
"""
Escape characters that may conflict with latex.
Parameters
----------
text : str
Text containing characters that may conflict with Latex
"""
text = ''.join(LATEX_SUBS.get(c, c) for c in text)
for pattern, replacement in LATEX_RE_SUBS:
text = pattern.sub(replacement, text)
return text