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"""Markdown filters
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This file contains a collection of utility filters for dealing with
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markdown within Jinja templates.
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"""
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#-----------------------------------------------------------------------------
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# Copyright (c) 2013, the IPython Development Team.
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#
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# Distributed under the terms of the Modified BSD License.
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#
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# The full license is in the file COPYING.txt, distributed with this software.
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#-----------------------------------------------------------------------------
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#-----------------------------------------------------------------------------
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# Imports
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#-----------------------------------------------------------------------------
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from __future__ import print_function
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# Stdlib imports
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import sys
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import subprocess
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#-----------------------------------------------------------------------------
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# Functions
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#-----------------------------------------------------------------------------
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def markdown2latex(source):
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"""Convert a markdown string to LaTeX via pandoc.
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This function will raise an error if pandoc is not installed.
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Any error messages generated by pandoc are printed to stderr.
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Parameters
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----------
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source : string
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Input string, assumed to be valid markdown.
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Returns
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-------
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out : string
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Output as returned by pandoc.
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"""
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p = subprocess.Popen('pandoc -f markdown -t latex'.split(),
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stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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out, err = p.communicate(source.encode('utf-8'))
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if err:
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print(err, file=sys.stderr)
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#print('*'*20+'\n', out, '\n'+'*'*20) # dbg
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return unicode(out, 'utf-8')[:-1]
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def markdown2rst(source):
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"""Convert a markdown string to LaTeX via pandoc.
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This function will raise an error if pandoc is not installed.
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Any error messages generated by pandoc are printed to stderr.
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Parameters
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----------
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source : string
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Input string, assumed to be valid markdown.
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Returns
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-------
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out : string
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Output as returned by pandoc.
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"""
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p = subprocess.Popen('pandoc -f markdown -t rst'.split(),
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stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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out, err = p.communicate(source.encode('utf-8'))
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if err:
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print(err, file=sys.stderr)
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#print('*'*20+'\n', out, '\n'+'*'*20) # dbg
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return unicode(out, 'utf-8')
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