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@@ -1,339 +1,207 b'' | |||||
1 | from __future__ import absolute_import |
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1 | from __future__ import absolute_import | |
2 |
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2 | |||
3 | from converters.html import ConverterHTML |
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3 | from converters.html import ConverterHTML | |
4 |
from converters.utils import text_cell |
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4 | from converters.utils import text_cell | |
5 |
from converters.utils import highlight, coalesce_streams |
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5 | from converters.utils import highlight, coalesce_streams | |
6 |
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7 | #from IPython.utils import path |
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8 | #from IPython.utils.text import indent, dedent |
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9 | from markdown import markdown |
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6 | from markdown import markdown | |
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7 | ||||
10 | import os |
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8 | import os | |
11 | import io |
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9 | import io | |
12 | import itertools |
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10 | import itertools | |
13 |
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11 | |||
14 |
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12 | |||
15 | class ConverterReveal(ConverterHTML): |
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13 | class ConverterReveal(ConverterHTML): | |
16 | #""" |
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14 | #""" | |
17 | #Convert a notebook to a html slideshow. |
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15 | #Convert a notebook to a html slideshow. | |
18 |
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16 | |||
19 |
#It generates a static html slideshow based |
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17 | #It generates a static html slideshow based reveal.js. | |
20 |
#The delimiters for each |
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18 | #The delimiters for each "Header slide", "Slide"", and "Fragment" | |
21 | #from the 'slideshow' metadata. |
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19 | #are retrieved from the 'slideshow' metadata. | |
22 | #""" |
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20 | #""" | |
23 |
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21 | |||
24 | #def __init__(self): |
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25 | #super(ConverterReveal, self).__init__() |
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26 |
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27 | #extension = 'html' |
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28 | #blank_symbol = ' ' |
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29 |
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30 | #def in_tag(self, tag, src, attrs=None): |
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31 | #"""Return a list of elements bracketed by the given tag""" |
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32 | #attr_s = '' if attrs is None else \ |
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33 | #' '.join("%s=%s" % (attr, value) |
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34 | #for attr, value in attrs.iteritems()) |
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35 | #return ['<%s %s>' % (tag, attr_s), src, '</%s>' % tag] |
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36 |
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37 | #def _ansi_colored(self, text): |
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38 | #return ['<pre>%s</pre>' % ansi2html(text)] |
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39 |
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40 | #def _stylesheet(self, fname): |
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41 | #with io.open(fname, encoding='utf-8') as f: |
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42 | #s = f.read() |
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43 | #return self.in_tag('style', s, dict(type='"text/css"')) |
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44 |
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45 | #def _out_prompt(self, output): |
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46 | #if output.output_type == 'pyout': |
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47 | #content = 'Out[%s]:' % self._get_prompt_number(output) |
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48 | #else: |
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49 | #content = '' |
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50 | #return ['<div class="prompt output_prompt">%s</div>' % content] |
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51 |
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52 | #def header_body(self): |
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53 | #"""Return the body of the header as a list of strings.""" |
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54 |
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55 | #from pygments.formatters import HtmlFormatter |
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56 |
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57 | #header = [] |
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58 | #static = os.path.join(path.get_ipython_package_dir(), |
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59 | #'frontend', 'html', 'notebook', 'static', |
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60 | #) |
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61 | #here = os.path.split(os.path.realpath(__file__))[0] |
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62 | #css = os.path.join(static, 'css') |
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63 | #for sheet in [ |
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64 | ## do we need jquery and prettify? |
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65 | ## os.path.join(static, 'jquery', 'css', 'themes', 'base', |
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66 | ## 'jquery-ui.min.css'), |
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67 | ## os.path.join(static, 'prettify', 'prettify.css'), |
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68 | #os.path.join(css, 'boilerplate.css'), |
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69 | #os.path.join(css, 'fbm.css'), |
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70 | #os.path.join(css, 'notebook.css'), |
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71 | #os.path.join(css, 'renderedhtml.css'), |
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72 | ## our overrides: |
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73 | #os.path.join(here, '..', 'css', 'static_html.css'), |
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74 | #]: |
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75 | #header.extend(self._stylesheet(sheet)) |
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76 |
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77 | ## pygments css |
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78 | #pygments_css = HtmlFormatter().get_style_defs('.highlight') |
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79 | #header.extend(['<meta charset="UTF-8">']) |
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80 | #header.extend(self.in_tag('style', pygments_css, |
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81 | #dict(type='"text/css"'))) |
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82 |
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83 | ## TODO: this should be allowed to use local mathjax: |
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84 | #header.extend(self.in_tag('script', '', {'type': '"text/javascript"', |
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85 | #'src': '"https://c328740.ssl.cf1.rackcdn.com/mathjax/' |
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86 | #'latest/MathJax.js?config=TeX-AMS_HTML"', |
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87 | #})) |
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88 | #with io.open(os.path.join(here, '..', 'js', 'initmathjax.js'), |
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89 | #encoding='utf-8') as f: |
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90 | #header.extend(self.in_tag('script', f.read(), |
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91 | #{'type': '"text/javascript"'})) |
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92 | #return header |
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93 |
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94 | #def optional_header(self): |
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95 | #return ['<html>', '<head>'] + self.header_body() + \ |
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96 | #['</head>', '<body>'] |
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97 |
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98 | #def optional_footer(self): |
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99 | #return ['</body>', '</html>'] |
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100 |
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101 | @text_cell |
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22 | @text_cell | |
102 | def render_heading(self, cell): |
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23 | def render_heading(self, cell): | |
103 | marker = cell.level |
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24 | marker = cell.level | |
104 | return [self.meta2str(cell.metadata), |
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25 | return [self.meta2str(cell.metadata), | |
105 | u'<h{1}>\n {0}\n</h{1}>'.format(cell.source, marker)] |
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26 | u'<h{1}>\n {0}\n</h{1}>'.format(cell.source, marker)] | |
106 |
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27 | |||
107 | def render_code(self, cell): |
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28 | def render_code(self, cell): | |
108 | if not cell.input: |
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29 | if not cell.input: | |
109 | return [] |
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30 | return [] | |
110 |
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31 | |||
111 | lines = [] |
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32 | lines = [] | |
112 | meta_code = self.meta2str(cell.metadata) |
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33 | meta_code = self.meta2str(cell.metadata) | |
113 | lines.extend([meta_code]) |
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34 | lines.extend([meta_code]) | |
114 |
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35 | |||
115 | lines.extend(['<div class="cell border-box-sizing code_cell vbox">']) |
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36 | lines.extend(['<div class="cell border-box-sizing code_cell vbox">']) | |
116 |
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37 | |||
117 | lines.append('<div class="input hbox">') |
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38 | lines.append('<div class="input hbox">') | |
118 | n = self._get_prompt_number(cell) |
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39 | n = self._get_prompt_number(cell) | |
119 | lines.append( |
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40 | lines.append( | |
120 | '<div class="prompt input_prompt">In [%s]:</div>' % n |
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41 | '<div class="prompt input_prompt">In [%s]:</div>' % n | |
121 | ) |
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42 | ) | |
122 | lines.append('<div class="input_area box-flex1">') |
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43 | lines.append('<div class="input_area box-flex1">') | |
123 | lines.append(highlight(cell.input)) |
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44 | lines.append(highlight(cell.input)) | |
124 | lines.append('</div>') # input_area |
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45 | lines.append('</div>') # input_area | |
125 | lines.append('</div>') # input |
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46 | lines.append('</div>') # input | |
126 |
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47 | |||
127 | if cell.outputs: |
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48 | if cell.outputs: | |
128 | lines.append('<div class="vbox output_wrapper">') |
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49 | lines.append('<div class="vbox output_wrapper">') | |
129 | lines.append('<div class="output vbox">') |
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50 | lines.append('<div class="output vbox">') | |
130 |
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51 | |||
131 | for output in coalesce_streams(cell.outputs): |
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52 | for output in coalesce_streams(cell.outputs): | |
132 | conv_fn = self.dispatch(output.output_type) |
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53 | conv_fn = self.dispatch(output.output_type) | |
133 | lines.extend(conv_fn(output)) |
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54 | lines.extend(conv_fn(output)) | |
134 |
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55 | |||
135 | lines.append('</div>') # output |
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56 | lines.append('</div>') # output | |
136 | lines.append('</div>') # output_wrapper |
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57 | lines.append('</div>') # output_wrapper | |
137 |
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58 | |||
138 | lines.append('</div>') # cell |
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59 | lines.append('</div>') # cell | |
139 |
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60 | |||
140 | return lines |
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61 | return lines | |
141 |
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62 | |||
142 | @text_cell |
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63 | @text_cell | |
143 | def render_markdown(self, cell): |
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64 | def render_markdown(self, cell): | |
144 | return [self.meta2str(cell.metadata), markdown(cell.source)] |
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65 | return [self.meta2str(cell.metadata), markdown(cell.source)] | |
145 |
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66 | |||
146 | def render_raw(self, cell): |
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67 | def render_raw(self, cell): | |
147 | if self.raw_as_verbatim: |
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68 | if self.raw_as_verbatim: | |
148 | return [self.in_tag('pre', self.meta2str(cell.metadata)), |
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69 | return [self.in_tag('pre', self.meta2str(cell.metadata)), | |
149 |
self.in_tag('pre', cell.source)] |
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70 | self.in_tag('pre', cell.source)] | |
150 | else: |
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71 | else: | |
151 | return [self.meta2str(cell.metadata), cell.source] |
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72 | return [self.meta2str(cell.metadata), cell.source] | |
152 |
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73 | |||
153 | #@output_container |
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154 | #def render_pyout(self, output): |
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155 | #for fmt in ['html', 'latex', 'png', 'jpeg', 'svg', 'text']: |
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156 | #if fmt in output: |
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157 | #conv_fn = self.dispatch_display_format(fmt) |
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158 | #return conv_fn(output) |
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159 | #return [] |
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160 |
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161 | #render_display_data = render_pyout |
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162 |
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163 | #@output_container |
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164 | #def render_stream(self, output): |
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165 | #return self._ansi_colored(output.text) |
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166 |
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167 | #@output_container |
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168 | #def render_pyerr(self, output): |
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169 | ## Note: a traceback is a *list* of frames. |
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170 | ## lines = [] |
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171 |
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172 | ## stb = |
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173 | #return self._ansi_colored('\n'.join(output.traceback)) |
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174 |
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175 | #def _img_lines(self, img_file): |
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176 | #return ['<img src="%s">' % img_file, '</img>'] |
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177 |
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178 | #def _unknown_lines(self, data): |
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179 | #return ['<h2>Warning:: Unknown cell</h2>'] + self.in_tag('pre', data) |
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180 |
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181 | #def render_display_format_png(self, output): |
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182 | #return ['<img src="data:image/png;base64,%s"></img>' % output.png] |
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183 |
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184 | #def render_display_format_svg(self, output): |
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185 | #return [output.svg] |
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186 |
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187 | #def render_display_format_jpeg(self, output): |
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188 | #return ['<img src="data:image/jpeg;base64,%s"></img>' % output.jpeg] |
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189 |
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190 | #def render_display_format_text(self, output): |
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191 | #return self._ansi_colored(output.text) |
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192 |
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193 | #def render_display_format_html(self, output): |
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194 | #return [output.html] |
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195 |
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196 | #def render_display_format_latex(self, output): |
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197 | #return [output.latex] |
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198 |
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199 | #def render_display_format_json(self, output): |
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200 | ## html ignores json |
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201 | #return [] |
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202 |
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203 | #def render_display_format_javascript(self, output): |
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204 | #return [output.javascript] |
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205 |
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206 | def meta2str(self, meta): |
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74 | def meta2str(self, meta): | |
207 | "transform metadata dict (containing slides delimiters) to string " |
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75 | "transform metadata dict (containing slides delimiters) to string " | |
208 | try: |
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76 | try: | |
209 | meta_tuple = meta[u'slideshow'].items() |
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77 | meta_tuple = meta[u'slideshow'].items() | |
210 | except KeyError as e: # if there is not slideshow metadata |
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78 | except KeyError as e: # if there is not slideshow metadata | |
211 | meta_tuple = [(u'slide_type', u'untouched')] |
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79 | meta_tuple = [(u'slide_type', u'untouched')] | |
212 | meta_list = [[x + ' = ' + unicode(y)] for x, y in meta_tuple] |
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80 | meta_list = [[x + ' = ' + unicode(y)] for x, y in meta_tuple] | |
213 | return u'\n'.join(list(itertools.chain(*meta_list))) |
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81 | return u'\n'.join(list(itertools.chain(*meta_list))) | |
214 |
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82 | |||
215 | def convert(self, cell_separator='\n'): |
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83 | def convert(self, cell_separator='\n'): | |
216 | """ |
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84 | """ | |
217 | Specific method to converts notebook to a string representation. |
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85 | Specific method to converts notebook to a string representation. | |
218 |
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86 | |||
219 | Parameters |
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87 | Parameters | |
220 | ---------- |
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88 | ---------- | |
221 | cell_separator : string |
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89 | cell_separator : string | |
222 | Character or string to join cells with. Default is "\n" |
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90 | Character or string to join cells with. Default is "\n" | |
223 |
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91 | |||
224 | Returns |
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92 | Returns | |
225 | ------- |
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93 | ------- | |
226 | out : string |
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94 | out : string | |
227 | """ |
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95 | """ | |
228 |
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96 | |||
229 | lines = [] |
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97 | lines = [] | |
230 | lines.extend(self.optional_header()) |
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98 | lines.extend(self.optional_header()) | |
231 | begin = ['<div class="reveal"><div class="slides">'] |
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99 | begin = ['<div class="reveal"><div class="slides">'] | |
232 | lines.extend(begin) |
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100 | lines.extend(begin) | |
233 | slides_list = self.build_slides() |
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101 | slides_list = self.build_slides() | |
234 | lines.extend(slides_list) |
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102 | lines.extend(slides_list) | |
235 | end = ['</div></div>'] |
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103 | end = ['</div></div>'] | |
236 | lines.extend(end) |
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104 | lines.extend(end) | |
237 | lines.extend(self.optional_footer()) |
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105 | lines.extend(self.optional_footer()) | |
238 | return u'\n'.join(lines) |
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106 | return u'\n'.join(lines) | |
239 |
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107 | |||
240 | def clean_text(self, cell_separator='\n'): |
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108 | def clean_text(self, cell_separator='\n'): | |
241 | "clean and reorganize the text list to be slided" |
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109 | "clean and reorganize the text list to be slided" | |
242 | text = self.main_body(cell_separator) |
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110 | text = self.main_body(cell_separator) | |
243 | self.delim = [u'slide_type = untouched', |
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111 | self.delim = [u'slide_type = untouched', | |
244 | u'slide_type = -', |
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112 | u'slide_type = -', | |
245 | u'slide_type = header_slide', |
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113 | u'slide_type = header_slide', | |
246 | u'slide_type = slide', |
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114 | u'slide_type = slide', | |
247 | u'slide_type = fragment', |
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115 | u'slide_type = fragment', | |
248 | u'slide_type = skip'] |
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116 | u'slide_type = skip'] | |
249 | text_cell_render = \ |
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117 | text_cell_render = \ | |
250 | u'<div class="text_cell_render border-box-sizing rendered_html">' |
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118 | u'<div class="text_cell_render border-box-sizing rendered_html">' | |
251 | for i, j in enumerate(text): |
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119 | for i, j in enumerate(text): | |
252 | if j in self.delim and text[i - 1] == text_cell_render: |
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120 | if j in self.delim and text[i - 1] == text_cell_render: | |
253 | if j == self.delim[0]: |
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121 | if j == self.delim[0]: | |
254 | text[i - 1] = self.delim[0] |
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122 | text[i - 1] = self.delim[0] | |
255 | elif j == self.delim[1]: |
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123 | elif j == self.delim[1]: | |
256 | text[i - 1] = self.delim[1] |
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124 | text[i - 1] = self.delim[1] | |
257 | elif j == self.delim[2]: |
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125 | elif j == self.delim[2]: | |
258 | text[i - 1] = self.delim[2] |
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126 | text[i - 1] = self.delim[2] | |
259 | elif j == self.delim[3]: |
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127 | elif j == self.delim[3]: | |
260 | text[i - 1] = self.delim[3] |
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128 | text[i - 1] = self.delim[3] | |
261 | elif j == self.delim[4]: |
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129 | elif j == self.delim[4]: | |
262 | text[i - 1] = self.delim[4] |
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130 | text[i - 1] = self.delim[4] | |
263 | else: |
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131 | else: | |
264 | text[i - 1] = self.delim[5] |
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132 | text[i - 1] = self.delim[5] | |
265 | text[i] = text_cell_render |
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133 | text[i] = text_cell_render | |
266 | text[0] = u'slide_type = header_slide' # defensive code |
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134 | text[0] = u'slide_type = header_slide' # defensive code | |
267 | text.append(u'slide_type = untouched') # to end search of skipped |
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135 | text.append(u'slide_type = untouched') # to end search of skipped | |
268 | return text |
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136 | return text | |
269 |
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137 | |||
270 | def build_slides(self): |
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138 | def build_slides(self): | |
271 | "build the slides structure from text list and delimiters" |
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139 | "build the slides structure from text list and delimiters" | |
272 | text = self.clean_text() |
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140 | text = self.clean_text() | |
273 | left = '<section>' |
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141 | left = '<section>' | |
274 | right = '</section>' |
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142 | right = '</section>' | |
275 | set_delim = self.delim[:5] |
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143 | set_delim = self.delim[:5] | |
276 | #elimination of skipped cells |
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144 | #elimination of skipped cells | |
277 | for i, j in enumerate(text): |
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145 | for i, j in enumerate(text): | |
278 | if j == u'slide_type = skip': |
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146 | if j == u'slide_type = skip': | |
279 | text.pop(i) |
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147 | text.pop(i) | |
280 | while not text[i] in set_delim: |
|
148 | while not text[i] in set_delim: | |
281 | text.pop(i) |
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149 | text.pop(i) | |
282 | # elimination of none names |
|
150 | # elimination of none names | |
283 | for i, j in enumerate(text): |
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151 | for i, j in enumerate(text): | |
284 | if j in [u'slide_type = untouched', u'slide_type = -']: |
|
152 | if j in [u'slide_type = untouched', u'slide_type = -']: | |
285 | text.pop(i) |
|
153 | text.pop(i) | |
286 | #generation of slides as a list of list |
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154 | #generation of slides as a list of list | |
287 | slides = [list(x[1]) for x in itertools.groupby(text, |
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155 | slides = [list(x[1]) for x in itertools.groupby(text, | |
288 | lambda x: x == u'slide_type = header_slide') if not x[0]] |
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156 | lambda x: x == u'slide_type = header_slide') if not x[0]] | |
289 | for slide in slides: |
|
157 | for slide in slides: | |
290 | slide.insert(0, left) |
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158 | slide.insert(0, left) | |
291 | slide.append(right) |
|
159 | slide.append(right) | |
292 | # encapsulation of each fragment |
|
160 | # encapsulation of each fragment | |
293 | for i, j in enumerate(slide): |
|
161 | for i, j in enumerate(slide): | |
294 | if j == u'slide_type = fragment': |
|
162 | if j == u'slide_type = fragment': | |
295 | slide.pop(i) |
|
163 | slide.pop(i) | |
296 | slide[i] = slide[i][:4] + ' class="fragment"' + slide[i][4:] |
|
164 | slide[i] = slide[i][:4] + ' class="fragment"' + slide[i][4:] | |
297 | # encapsulation of each nested slide |
|
165 | # encapsulation of each nested slide | |
298 | if u'slide_type = slide' in slide: |
|
166 | if u'slide_type = slide' in slide: | |
299 | slide.insert(0, '<section>') |
|
167 | slide.insert(0, '<section>') | |
300 | slide.append('</section>') |
|
168 | slide.append('</section>') | |
301 | for i, j in enumerate(slide): |
|
169 | for i, j in enumerate(slide): | |
302 | if j == u'slide_type = slide': |
|
170 | if j == u'slide_type = slide': | |
303 | slide[i] = right + left |
|
171 | slide[i] = right + left | |
304 | return list(itertools.chain(*slides)) |
|
172 | return list(itertools.chain(*slides)) | |
305 |
|
173 | |||
306 | def save(self, outfile=None, encoding=None): |
|
174 | def save(self, outfile=None, encoding=None): | |
307 | "read and parse notebook into self.nb" |
|
175 | "read and parse notebook into self.nb" | |
308 | if outfile is None: |
|
176 | if outfile is None: | |
309 | outfile = self.outbase + '_slides.' + 'html' |
|
177 | outfile = self.outbase + '_slides.' + 'html' | |
310 | if encoding is None: |
|
178 | if encoding is None: | |
311 | encoding = self.default_encoding |
|
179 | encoding = self.default_encoding | |
312 | with io.open(outfile, 'w', encoding=encoding) as f: |
|
180 | with io.open(outfile, 'w', encoding=encoding) as f: | |
313 | f.write(self.output) |
|
181 | f.write(self.output) | |
314 | return os.path.abspath(outfile) |
|
182 | return os.path.abspath(outfile) | |
315 |
|
183 | |||
316 | def template_read(self): |
|
184 | def template_read(self): | |
317 | "read the reveal_template.html" |
|
185 | "read the reveal_template.html" | |
318 | here = os.path.split(os.path.realpath(__file__))[0] |
|
186 | here = os.path.split(os.path.realpath(__file__))[0] | |
319 | reveal_template = os.path.join(here, '..', 'templates', |
|
187 | reveal_template = os.path.join(here, '..', 'templates', | |
320 | 'reveal_base.html') |
|
188 | 'reveal_base.html') | |
321 | with io.open(reveal_template, 'r', encoding='utf-8') as f: |
|
189 | with io.open(reveal_template, 'r', encoding='utf-8') as f: | |
322 | template = f.readlines() |
|
190 | template = f.readlines() | |
323 | template = [s.strip() for s in template] |
|
191 | template = [s.strip() for s in template] | |
324 | return template |
|
192 | return template | |
325 |
|
193 | |||
326 | def template_split(self): |
|
194 | def template_split(self): | |
327 | "split the reveal_template.html in header and footer lists" |
|
195 | "split the reveal_template.html in header and footer lists" | |
328 | temp = self.template_read() |
|
196 | temp = self.template_read() | |
329 | splitted_temp = [list(x[1]) for x in itertools.groupby(temp, |
|
197 | splitted_temp = [list(x[1]) for x in itertools.groupby(temp, | |
330 | lambda x: x == u'%slides%') if not x[0]] |
|
198 | lambda x: x == u'%slides%') if not x[0]] | |
331 | return splitted_temp |
|
199 | return splitted_temp | |
332 |
|
200 | |||
333 | def optional_header(self): |
|
201 | def optional_header(self): | |
334 | optional_header_body = self.template_split() |
|
202 | optional_header_body = self.template_split() | |
335 | return optional_header_body[0] |
|
203 | return optional_header_body[0] | |
336 |
|
204 | |||
337 | def optional_footer(self): |
|
205 | def optional_footer(self): | |
338 | optional_footer_body = self.template_split() |
|
206 | optional_footer_body = self.template_split() | |
339 | return optional_footer_body[1] No newline at end of file |
|
207 | return optional_footer_body[1] |
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