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

Fix race condition in javascript kernel message processing...

Fix race condition in javascript kernel message processing Because the binary messages are now deserialized using the asynchronous FileReader API, we need to have some way to force the messages to still be processed in the order they are received. This patch implements a simple processing queue using promises.

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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