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+# -*- coding: utf-8 -*-
+
+# Copyright © 2013 Damian Avila.
+
+# Permission is hereby granted, free of charge, to any
+# person obtaining a copy of this software and associated
+# documentation files (the "Software"), to deal in the
+# Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the
+# Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice
+# shall be included in all copies or substantial portions of
+# the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+"""Implementation of compile_html based on nbconvert."""
+
+from __future__ import unicode_literals, print_function
+import codecs
+import os
+
+try:
+ from IPython.nbconvert.exporters import HTMLExporter
+ from IPython.nbformat import current as nbformat
+ from IPython.config import Config
+ flag = True
+except ImportError:
+ flag = None
+
+from nikola.plugin_categories import PageCompiler
+from nikola.utils import makedirs, req_missing
+
+
+class CompileIPynb(PageCompiler):
+ """Compile IPynb into HTML."""
+
+ name = "ipynb"
+
+ def compile_html(self, source, dest, is_two_file=True):
+ if flag is None:
+ req_missing(['ipython>=1.0.0'], 'build this site (compile ipynb)')
+ makedirs(os.path.dirname(dest))
+ HTMLExporter.default_template = 'basic'
+ c = Config(self.site.config['IPYNB_CONFIG'])
+ exportHtml = HTMLExporter(config=c)
+ with codecs.open(dest, "w+", "utf8") as out_file:
+ with codecs.open(source, "r", "utf8") as in_file:
+ nb = in_file.read()
+ nb_json = nbformat.reads_json(nb)
+ (body, resources) = exportHtml.from_notebook_node(nb_json)
+ out_file.write(body)
+
+ def create_post(self, path, onefile=False, **kw):
+ metadata = {}
+ metadata.update(self.default_metadata)
+ metadata.update(kw)
+ d_name = os.path.dirname(path)
+ makedirs(os.path.dirname(path))
+ meta_path = os.path.join(d_name, kw['slug'] + ".meta")
+ with codecs.open(meta_path, "wb+", "utf8") as fd:
+ if onefile:
+ fd.write('%s\n' % kw['title'])
+ fd.write('%s\n' % kw['slug'])
+ fd.write('%s\n' % kw['date'])
+ fd.write('%s\n' % kw['tags'])
+ print("Your post's metadata is at: ", meta_path)
+ with codecs.open(path, "wb+", "utf8") as fd:
+ fd.write("""{
+ "metadata": {
+ "name": ""
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+ {
+ "cells": [
+ {
+ "cell_type": "code",
+ "collapsed": false,
+ "input": [],
+ "language": "python",
+ "metadata": {},
+ "outputs": []
+ }
+ ],
+ "metadata": {}
+ }
+ ]
+}""")