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#!/usr/bin/env python
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"""Convert IPython notebooks to other formats, such as ReST, and HTML.
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Example:
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./nbconvert.py --format rst file.ipynb
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Produces 'file.rst', along with auto-generated figure files
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called nb_figure_NN.png.
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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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# From IPython
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from IPython.external import argparse
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# local
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from converters.html import ConverterHTML
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from converters.markdown import ConverterMarkdown
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from converters.bloggerhtml import ConverterBloggerHTML
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from converters.rst import ConverterRST
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from converters.latex import ConverterLaTeX
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from converters.python import ConverterPy
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# When adding a new format, make sure to add it to the `converters`
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# dictionary below. This is used to create the list of known formats,
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# which gets printed in case an unknown format is encounteres, as well
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# as in the help
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converters = {
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'rst': ConverterRST,
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'markdown': ConverterMarkdown,
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'html': ConverterHTML,
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'blogger-html': ConverterBloggerHTML,
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'latex': ConverterLaTeX,
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'py': ConverterPy,
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}
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default_format = 'rst'
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# Extract the list of known formats and mark the first format as the default.
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known_formats = ', '.join([key + " (default)" if key == default_format else key
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for key in converters])
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def main(infile, format='rst', preamble=None, exclude=None,
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highlight_source=True):
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"""Convert a notebook to html in one step"""
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try:
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ConverterClass = converters[format]
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except KeyError:
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raise SystemExit("Unknown format '%s', " % format +
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"known formats are: " + known_formats)
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converter = ConverterClass(infile, highlight_source=highlight_source, exclude=exclude)
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converter.render()
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#-----------------------------------------------------------------------------
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# Script main
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#-----------------------------------------------------------------------------
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description=__doc__,
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formatter_class=argparse.RawTextHelpFormatter)
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# TODO: consider passing file like object around, rather than filenames
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# would allow us to process stdin, or even http streams
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#parser.add_argument('infile', nargs='?', type=argparse.FileType('r'),
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# default=sys.stdin)
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#Require a filename as a positional argument
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parser.add_argument('infile', nargs=1)
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parser.add_argument('-f', '--format', default='rst',
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help='Output format. Supported formats: \n' +
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known_formats)
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parser.add_argument('-p', '--preamble',
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help='Path to a user-specified preamble file')
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parser.add_argument('-e', '--exclude', default='',
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help='Comma-separated list of cells to exclude')
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parser.add_argument('-H', '--no-highlighting', action='store_false',
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help='Disable syntax highlighting for code blocks.')
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args = parser.parse_args()
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exclude_cells = [s.strip() for s in args.exclude.split(',')]
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main(infile=args.infile[0], format=args.format, preamble=args.preamble,
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exclude=exclude_cells, highlight_source=args.no_highlighting)
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