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#!/usr/bin/env python
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"""
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Contains writer for writing nbconvert output to PDF.
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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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import subprocess
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import os
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from IPython.utils.traitlets import Integer, Unicode
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from .files import FilesWriter
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#-----------------------------------------------------------------------------
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# Classes
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#-----------------------------------------------------------------------------
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class PDFWriter(FilesWriter):
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"""Writer designed to write to PDF files"""
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iteration_count = Integer(3, config=True, help="""
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How many times pdflatex will be called.
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""")
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compiler = Unicode(u'pdflatex {0}', config=True, help="""
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Shell command used to compile PDF.""")
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def write(self, output, resources, notebook_name=None, **kw):
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"""
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Consume and write Jinja output a PDF.
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See files.py for more...
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"""
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dest = super(PDFWriter, self).write(output, resources,
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notebook_name=notebook_name, **kw)
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command = self.compiler.format(dest)
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for index in range(self.iteration_count):
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subprocess.Popen(command, shell=True, stdout=open(os.devnull, 'wb'))
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