##// END OF EJS Templates
Backport PR #4163: Fix for incorrect default encoding on Windows....
Backport PR #4163: Fix for incorrect default encoding on Windows. Whilst trying out rendering notebooks in a flask app under Apache on Windows I got the below error when simply trying to import `SlidesExporter` ```python mod_wsgi (pid=6260): Exception occurred processing WSGI script 'flask_test.wsgi'. Traceback (most recent call last): File "flask_test.py", line 81, in render_notebook from IPython.nbconvert.exporters import SlidesExporter File "c:\\dev\\code\\ipython\\IPython\\__init__.py", line 47, in <module> from .terminal.embed import embed File "c:\\dev\\code\\ipython\\IPython\\terminal\\embed.py", line 32, in <module> from IPython.terminal.interactiveshell import TerminalInteractiveShell File "c:\\dev\\code\\ipython\\IPython\\terminal\\interactiveshell.py", line 25, in <module> from IPython.core.interactiveshell import InteractiveShell, InteractiveShellABC File "c:\\dev\\code\\ipython\\IPython\\core\\interactiveshell.py", line 59, in <module> from IPython.core.prompts import PromptManager File "c:\\dev\\code\\ipython\\IPython\\core\\prompts.py", line 138, in <module> HOME = py3compat.str_to_unicode(os.environ.get("HOME","//////:::::ZZZZZ,,,~~~")) File "c:\\dev\\code\\ipython\\IPython\\utils\\py3compat.py", line 18, in decode return s.decode(encoding, "replace") LookupError: unknown encoding: cp0 ``` A little bit of [googling](http://bugs.python.org/issue6501) suggests that Windows returns 'cp0' to indicate there is no code page. This fix simply looks for this invalid value and replaces it with something valid. With this change it works for me.

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markdown.py
74 lines | 2.0 KiB | text/x-python | PythonLexer
"""Markdown filters
This file contains a collection of utility filters for dealing with
markdown within Jinja 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
#-----------------------------------------------------------------------------
from __future__ import print_function
# Stdlib imports
import sys
import subprocess
from IPython.nbconvert.utils.pandoc import pandoc
#-----------------------------------------------------------------------------
# Functions
#-----------------------------------------------------------------------------
__all__ = [
'markdown2html',
'markdown2latex',
'markdown2rst'
]
def markdown2latex(source):
"""Convert a markdown string to LaTeX via pandoc.
This function will raise an error if pandoc is not installed.
Any error messages generated by pandoc are printed to stderr.
Parameters
----------
source : string
Input string, assumed to be valid markdown.
Returns
-------
out : string
Output as returned by pandoc.
"""
return pandoc(source, 'markdown', 'latex')
def markdown2html(source):
"""Convert a markdown string to HTML via pandoc"""
return pandoc(source, 'markdown', 'html', extra_args=['--mathjax'])
def markdown2rst(source):
"""Convert a markdown string to LaTeX via pandoc.
This function will raise an error if pandoc is not installed.
Any error messages generated by pandoc are printed to stderr.
Parameters
----------
source : string
Input string, assumed to be valid markdown.
Returns
-------
out : string
Output as returned by pandoc.
"""
return pandoc(source, 'markdown', 'rst')