upstream/ipython Files · IPython/nbconvert/filters/latex.py

allow splitting and merging of heading cells...

allow splitting and merging of heading cells I consider it a bug that you couldn't merge with heading cells, and that you couldn't split them, either. (So much so that I thought it was a bug in ipython-vimception when I ran into it). This change removes that limitation, so heading cells are on par with the other cells in terms of the kinds of manipulations one can carry out with them.

Jörg Dietrich - - Load All Authors

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             latex.py
        
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             / IPython / nbconvert / filters / latex.py
          
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      """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

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				"""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