##// END OF EJS Templates
handle undefined when sorting quick help...
handle undefined when sorting quick help since undefined is neither less than nor greater than anything in Javascript, the sort function was treating it as equal to everything, causing inconsistent behavior, depending on the sort algorithm of the browser. This ensures undefined elements are sorted last in the sequence.

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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