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@@ -1,275 +1,278 b'' | |||
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1 | 1 | """This module defines a base Exporter class. For Jinja template-based export, |
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2 | 2 | see templateexporter.py. |
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3 | 3 | """ |
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4 | 4 | |
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5 | 5 | #----------------------------------------------------------------------------- |
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6 | 6 | # Copyright (c) 2013, the IPython Development Team. |
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7 | 7 | # |
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8 | 8 | # Distributed under the terms of the Modified BSD License. |
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9 | 9 | # |
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10 | 10 | # The full license is in the file COPYING.txt, distributed with this software. |
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11 | 11 | #----------------------------------------------------------------------------- |
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12 | 12 | |
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13 | 13 | #----------------------------------------------------------------------------- |
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14 | 14 | # Imports |
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15 | 15 | #----------------------------------------------------------------------------- |
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16 | 16 | |
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17 | 17 | from __future__ import print_function, absolute_import |
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18 | 18 | |
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19 | 19 | # Stdlib imports |
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20 | 20 | import io |
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21 | 21 | import os |
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22 | 22 | import copy |
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23 | 23 | import collections |
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24 | 24 | import datetime |
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25 | 25 | |
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26 | 26 | |
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27 | 27 | # IPython imports |
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28 | 28 | from IPython.config.configurable import LoggingConfigurable |
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29 | 29 | from IPython.config import Config |
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30 | 30 | from IPython.nbformat import current as nbformat |
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31 | 31 | from IPython.utils.traitlets import MetaHasTraits, Unicode, List |
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32 | 32 | from IPython.utils.importstring import import_item |
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33 | 33 | from IPython.utils import text, py3compat |
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34 | 34 | |
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35 | 35 | #----------------------------------------------------------------------------- |
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36 | 36 | # Class |
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37 | 37 | #----------------------------------------------------------------------------- |
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38 | 38 | |
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39 | 39 | class ResourcesDict(collections.defaultdict): |
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40 | 40 | def __missing__(self, key): |
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41 | 41 | return '' |
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42 | 42 | |
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43 | 43 | |
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44 | 44 | class Exporter(LoggingConfigurable): |
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45 | 45 | """ |
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46 | 46 | Class containing methods that sequentially run a list of preprocessors on a |
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47 | 47 | NotebookNode object and then return the modified NotebookNode object and |
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48 | 48 | accompanying resources dict. |
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49 | 49 | """ |
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50 | 50 | |
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51 | 51 | file_extension = Unicode( |
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52 | 52 | 'txt', config=True, |
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53 | 53 | help="Extension of the file that should be written to disk" |
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54 | 54 | ) |
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55 | 55 | |
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56 | 56 | # MIME type of the result file, for HTTP response headers. |
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57 | 57 | # This is *not* a traitlet, because we want to be able to access it from |
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58 | 58 | # the class, not just on instances. |
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59 | 59 | output_mimetype = '' |
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60 | 60 | |
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61 | 61 | #Configurability, allows the user to easily add filters and preprocessors. |
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62 | 62 | preprocessors = List(config=True, |
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63 | 63 | help="""List of preprocessors, by name or namespace, to enable.""") |
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64 | 64 | |
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65 | 65 | _preprocessors = None |
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66 | 66 | |
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67 | 67 | default_preprocessors = List(['IPython.nbconvert.preprocessors.coalesce_streams', |
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68 | 68 | 'IPython.nbconvert.preprocessors.SVG2PDFPreprocessor', |
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69 | 69 | 'IPython.nbconvert.preprocessors.ExtractOutputPreprocessor', |
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70 | 70 | 'IPython.nbconvert.preprocessors.CSSHTMLHeaderPreprocessor', |
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71 | 71 | 'IPython.nbconvert.preprocessors.RevealHelpPreprocessor', |
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72 | 72 | 'IPython.nbconvert.preprocessors.LatexPreprocessor', |
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73 | 73 | 'IPython.nbconvert.preprocessors.HighlightMagicsPreprocessor'], |
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74 | 74 | config=True, |
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75 | 75 | help="""List of preprocessors available by default, by name, namespace, |
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76 | 76 | instance, or type.""") |
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77 | 77 | |
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78 | 78 | |
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79 | 79 | def __init__(self, config=None, **kw): |
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80 | 80 | """ |
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81 | 81 | Public constructor |
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82 | 82 | |
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83 | 83 | Parameters |
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84 | 84 | ---------- |
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85 | 85 | config : config |
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86 | 86 | User configuration instance. |
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87 | 87 | """ |
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88 | 88 | with_default_config = self.default_config |
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89 | 89 | if config: |
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90 | 90 | with_default_config.merge(config) |
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91 | 91 | |
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92 | 92 | super(Exporter, self).__init__(config=with_default_config, **kw) |
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93 | 93 | |
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94 | 94 | self._init_preprocessors() |
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95 | 95 | |
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96 | 96 | |
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97 | 97 | @property |
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98 | 98 | def default_config(self): |
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99 | 99 | return Config() |
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100 | 100 | |
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101 | 101 | @nbformat.docstring_nbformat_mod |
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102 | 102 | def from_notebook_node(self, nb, resources=None, **kw): |
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103 | 103 | """ |
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104 | 104 | Convert a notebook from a notebook node instance. |
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105 | 105 | |
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106 | 106 | Parameters |
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107 | 107 | ---------- |
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108 | 108 | nb : :class:`~{nbformat_mod}.nbbase.NotebookNode` |
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109 | 109 | Notebook node |
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110 | 110 | resources : dict |
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111 | 111 | Additional resources that can be accessed read/write by |
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112 | 112 | preprocessors and filters. |
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113 | 113 | **kw |
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114 | 114 | Ignored (?) |
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115 | 115 | """ |
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116 | 116 | nb_copy = copy.deepcopy(nb) |
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117 | 117 | resources = self._init_resources(resources) |
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118 | ||
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119 | if 'language' in nb['metadata']: | |
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120 | resources['language'] = nb['metadata']['language'].lower() | |
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118 | 121 | |
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119 | 122 | # Preprocess |
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120 | 123 | nb_copy, resources = self._preprocess(nb_copy, resources) |
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121 | 124 | |
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122 | 125 | return nb_copy, resources |
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123 | 126 | |
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124 | 127 | |
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125 | 128 | def from_filename(self, filename, resources=None, **kw): |
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126 | 129 | """ |
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127 | 130 | Convert a notebook from a notebook file. |
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128 | 131 | |
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129 | 132 | Parameters |
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130 | 133 | ---------- |
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131 | 134 | filename : str |
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132 | 135 | Full filename of the notebook file to open and convert. |
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133 | 136 | """ |
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134 | 137 | |
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135 | 138 | # Pull the metadata from the filesystem. |
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136 | 139 | if resources is None: |
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137 | 140 | resources = ResourcesDict() |
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138 | 141 | if not 'metadata' in resources or resources['metadata'] == '': |
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139 | 142 | resources['metadata'] = ResourcesDict() |
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140 | 143 | basename = os.path.basename(filename) |
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141 | 144 | notebook_name = basename[:basename.rfind('.')] |
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142 | 145 | resources['metadata']['name'] = notebook_name |
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143 | 146 | |
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144 | 147 | modified_date = datetime.datetime.fromtimestamp(os.path.getmtime(filename)) |
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145 | 148 | resources['metadata']['modified_date'] = modified_date.strftime(text.date_format) |
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146 | 149 | |
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147 | 150 | with io.open(filename, encoding='utf-8') as f: |
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148 | 151 | return self.from_notebook_node(nbformat.read(f, 'json'), resources=resources, **kw) |
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149 | 152 | |
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150 | 153 | |
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151 | 154 | def from_file(self, file_stream, resources=None, **kw): |
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152 | 155 | """ |
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153 | 156 | Convert a notebook from a notebook file. |
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154 | 157 | |
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155 | 158 | Parameters |
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156 | 159 | ---------- |
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157 | 160 | file_stream : file-like object |
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158 | 161 | Notebook file-like object to convert. |
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159 | 162 | """ |
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160 | 163 | return self.from_notebook_node(nbformat.read(file_stream, 'json'), resources=resources, **kw) |
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161 | 164 | |
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162 | 165 | |
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163 | 166 | def register_preprocessor(self, preprocessor, enabled=False): |
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164 | 167 | """ |
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165 | 168 | Register a preprocessor. |
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166 | 169 | Preprocessors are classes that act upon the notebook before it is |
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167 | 170 | passed into the Jinja templating engine. preprocessors are also |
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168 | 171 | capable of passing additional information to the Jinja |
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169 | 172 | templating engine. |
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170 | 173 | |
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171 | 174 | Parameters |
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172 | 175 | ---------- |
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173 | 176 | preprocessor : preprocessor |
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174 | 177 | """ |
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175 | 178 | if preprocessor is None: |
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176 | 179 | raise TypeError('preprocessor') |
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177 | 180 | isclass = isinstance(preprocessor, type) |
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178 | 181 | constructed = not isclass |
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179 | 182 | |
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180 | 183 | # Handle preprocessor's registration based on it's type |
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181 | 184 | if constructed and isinstance(preprocessor, py3compat.string_types): |
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182 | 185 | # Preprocessor is a string, import the namespace and recursively call |
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183 | 186 | # this register_preprocessor method |
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184 | 187 | preprocessor_cls = import_item(preprocessor) |
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185 | 188 | return self.register_preprocessor(preprocessor_cls, enabled) |
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186 | 189 | |
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187 | 190 | if constructed and hasattr(preprocessor, '__call__'): |
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188 | 191 | # Preprocessor is a function, no need to construct it. |
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189 | 192 | # Register and return the preprocessor. |
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190 | 193 | if enabled: |
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191 | 194 | preprocessor.enabled = True |
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192 | 195 | self._preprocessors.append(preprocessor) |
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193 | 196 | return preprocessor |
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194 | 197 | |
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195 | 198 | elif isclass and isinstance(preprocessor, MetaHasTraits): |
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196 | 199 | # Preprocessor is configurable. Make sure to pass in new default for |
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197 | 200 | # the enabled flag if one was specified. |
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198 | 201 | self.register_preprocessor(preprocessor(parent=self), enabled) |
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199 | 202 | |
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200 | 203 | elif isclass: |
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201 | 204 | # Preprocessor is not configurable, construct it |
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202 | 205 | self.register_preprocessor(preprocessor(), enabled) |
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203 | 206 | |
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204 | 207 | else: |
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205 | 208 | # Preprocessor is an instance of something without a __call__ |
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206 | 209 | # attribute. |
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207 | 210 | raise TypeError('preprocessor') |
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208 | 211 | |
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209 | 212 | |
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210 | 213 | def _init_preprocessors(self): |
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211 | 214 | """ |
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212 | 215 | Register all of the preprocessors needed for this exporter, disabled |
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213 | 216 | unless specified explicitly. |
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214 | 217 | """ |
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215 | 218 | if self._preprocessors is None: |
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216 | 219 | self._preprocessors = [] |
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217 | 220 | |
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218 | 221 | #Load default preprocessors (not necessarly enabled by default). |
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219 | 222 | if self.default_preprocessors: |
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220 | 223 | for preprocessor in self.default_preprocessors: |
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221 | 224 | self.register_preprocessor(preprocessor) |
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222 | 225 | |
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223 | 226 | #Load user preprocessors. Enable by default. |
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224 | 227 | if self.preprocessors: |
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225 | 228 | for preprocessor in self.preprocessors: |
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226 | 229 | self.register_preprocessor(preprocessor, enabled=True) |
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227 | 230 | |
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228 | 231 | |
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229 | 232 | def _init_resources(self, resources): |
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230 | 233 | |
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231 | 234 | #Make sure the resources dict is of ResourcesDict type. |
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232 | 235 | if resources is None: |
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233 | 236 | resources = ResourcesDict() |
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234 | 237 | if not isinstance(resources, ResourcesDict): |
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235 | 238 | new_resources = ResourcesDict() |
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236 | 239 | new_resources.update(resources) |
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237 | 240 | resources = new_resources |
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238 | 241 | |
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239 | 242 | #Make sure the metadata extension exists in resources |
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240 | 243 | if 'metadata' in resources: |
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241 | 244 | if not isinstance(resources['metadata'], ResourcesDict): |
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242 | 245 | resources['metadata'] = ResourcesDict(resources['metadata']) |
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243 | 246 | else: |
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244 | 247 | resources['metadata'] = ResourcesDict() |
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245 | 248 | if not resources['metadata']['name']: |
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246 | 249 | resources['metadata']['name'] = 'Notebook' |
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247 | 250 | |
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248 | 251 | #Set the output extension |
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249 | 252 | resources['output_extension'] = self.file_extension |
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250 | 253 | return resources |
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251 | 254 | |
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252 | 255 | |
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253 | 256 | def _preprocess(self, nb, resources): |
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254 | 257 | """ |
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255 | 258 | Preprocess the notebook before passing it into the Jinja engine. |
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256 | 259 | To preprocess the notebook is to apply all of the |
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257 | 260 | |
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258 | 261 | Parameters |
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259 | 262 | ---------- |
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260 | 263 | nb : notebook node |
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261 | 264 | notebook that is being exported. |
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262 | 265 | resources : a dict of additional resources that |
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263 | 266 | can be accessed read/write by preprocessors |
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264 | 267 | """ |
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265 | 268 | |
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266 | 269 | # Do a copy.deepcopy first, |
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267 | 270 | # we are never safe enough with what the preprocessors could do. |
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268 | 271 | nbc = copy.deepcopy(nb) |
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269 | 272 | resc = copy.deepcopy(resources) |
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270 | 273 | |
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271 | 274 | #Run each preprocessor on the notebook. Carry the output along |
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272 | 275 | #to each preprocessor |
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273 | 276 | for preprocessor in self._preprocessors: |
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274 | 277 | nbc, resc = preprocessor(nbc, resc) |
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275 | 278 | return nbc, resc |
@@ -1,189 +1,189 b'' | |||
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1 | 1 | {%- extends 'display_priority.tpl' -%} |
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2 | 2 | |
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3 | 3 | |
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4 | 4 | {% block codecell %} |
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5 | 5 | <div class="cell border-box-sizing code_cell"> |
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6 | 6 | {{ super() }} |
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7 | 7 | </div> |
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8 | 8 | {%- endblock codecell %} |
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9 | 9 | |
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10 | 10 | {% block input_group -%} |
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11 | 11 | <div class="input"> |
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12 | 12 | {{ super() }} |
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13 | 13 | </div> |
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14 | 14 | {% endblock input_group %} |
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15 | 15 | |
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16 | 16 | {% block output_group %} |
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17 | 17 | <div class="output_wrapper"> |
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18 | 18 | <div class="output"> |
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19 | 19 | {{ super() }} |
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20 | 20 | </div> |
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21 | 21 | </div> |
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22 | 22 | {% endblock output_group %} |
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23 | 23 | |
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24 | 24 | {% block in_prompt -%} |
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25 | 25 | <div class="prompt input_prompt"> |
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26 | 26 | In [{{ cell.prompt_number }}]: |
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27 | 27 | </div> |
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28 | 28 | {%- endblock in_prompt %} |
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29 | 29 | |
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30 | 30 | {% block empty_in_prompt -%} |
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31 | 31 | <div class="prompt input_prompt"> |
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32 | 32 | </div> |
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33 | 33 | {%- endblock empty_in_prompt %} |
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34 | 34 | |
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35 | 35 | {# |
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36 | 36 | output_prompt doesn't do anything in HTML, |
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37 | 37 | because there is a prompt div in each output area (see output block) |
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38 | 38 | #} |
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39 | 39 | {% block output_prompt %} |
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40 | 40 | {% endblock output_prompt %} |
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41 | 41 | |
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42 | 42 | {% block input %} |
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43 | 43 | <div class="input_area box-flex1"> |
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44 | {{ cell.input | highlight2html(metadata=cell.metadata) }} | |
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44 | {{ cell.input | highlight2html(language=resources.get('language'), metadata=cell.metadata) }} | |
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45 | 45 | </div> |
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46 | 46 | {%- endblock input %} |
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47 | 47 | |
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48 | 48 | {% block output %} |
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49 | 49 | <div class="output_area"> |
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50 | 50 | {%- if output.output_type == 'pyout' -%} |
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51 | 51 | <div class="prompt output_prompt"> |
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52 | 52 | Out[{{ cell.prompt_number }}]: |
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53 | 53 | {%- else -%} |
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54 | 54 | <div class="prompt"> |
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55 | 55 | {%- endif -%} |
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56 | 56 | </div> |
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57 | 57 | {{ super() }} |
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58 | 58 | </div> |
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59 | 59 | {% endblock output %} |
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60 | 60 | |
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61 | 61 | {% block markdowncell scoped %} |
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62 | 62 | <div class="cell border-box-sizing text_cell"> |
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63 | 63 | <div class="input"> |
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64 | 64 | {{ self.empty_in_prompt() }} |
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65 | 65 | <div class="inner_cell"> |
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66 | 66 | <div class="text_cell_render border-box-sizing rendered_html"> |
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67 | 67 | {{ cell.source | markdown2html | strip_files_prefix }} |
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68 | 68 | </div> |
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69 | 69 | </div> |
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70 | 70 | </div> |
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71 | 71 | </div> |
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72 | 72 | {%- endblock markdowncell %} |
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73 | 73 | |
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74 | 74 | {% block headingcell scoped %} |
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75 | 75 | <div class="cell border-box-sizing text_cell"> |
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76 | 76 | <div class="input"> |
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77 | 77 | {{ self.empty_in_prompt() }} |
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78 | 78 | <div class="inner_cell"> |
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79 | 79 | <div class="text_cell_render border-box-sizing rendered_html"> |
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80 | 80 | {{ ("#" * cell.level + cell.source) | replace('\n', ' ') | markdown2html | strip_files_prefix | add_anchor }} |
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81 | 81 | </div> |
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82 | 82 | </div> |
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83 | 83 | </div> |
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84 | 84 | </div> |
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85 | 85 | {% endblock headingcell %} |
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86 | 86 | |
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87 | 87 | {% block unknowncell scoped %} |
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88 | 88 | unknown type {{ cell.type }} |
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89 | 89 | {% endblock unknowncell %} |
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90 | 90 | |
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91 | 91 | {% block pyout -%} |
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92 | 92 | <div class="box-flex1 output_subarea output_pyout"> |
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93 | 93 | {% block data_priority scoped %} |
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94 | 94 | {{ super() }} |
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95 | 95 | {% endblock %} |
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96 | 96 | </div> |
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97 | 97 | {%- endblock pyout %} |
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98 | 98 | |
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99 | 99 | {% block stream_stdout -%} |
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100 | 100 | <div class="box-flex1 output_subarea output_stream output_stdout"> |
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101 | 101 | <pre> |
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102 | 102 | {{ output.text | ansi2html }} |
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103 | 103 | </pre> |
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104 | 104 | </div> |
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105 | 105 | {%- endblock stream_stdout %} |
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106 | 106 | |
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107 | 107 | {% block stream_stderr -%} |
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108 | 108 | <div class="box-flex1 output_subarea output_stream output_stderr"> |
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109 | 109 | <pre> |
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110 | 110 | {{ output.text | ansi2html }} |
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111 | 111 | </pre> |
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112 | 112 | </div> |
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113 | 113 | {%- endblock stream_stderr %} |
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114 | 114 | |
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115 | 115 | {% block data_svg -%} |
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116 | 116 | {%- if output.svg_filename %} |
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117 | 117 | <img src="{{output.svg_filename | posix_path}}" |
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118 | 118 | {%- else %} |
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119 | 119 | {{ output.svg }} |
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120 | 120 | {%- endif %} |
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121 | 121 | {%- endblock data_svg %} |
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122 | 122 | |
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123 | 123 | {% block data_html -%} |
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124 | 124 | <div class="output_html rendered_html"> |
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125 | 125 | {{ output.html }} |
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126 | 126 | </div> |
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127 | 127 | {%- endblock data_html %} |
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128 | 128 | |
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129 | 129 | {% block data_png %} |
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130 | 130 | {%- if output.png_filename %} |
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131 | 131 | <img src="{{output.png_filename | posix_path}}" |
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132 | 132 | {%- else %} |
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133 | 133 | <img src="data:image/png;base64,{{ output.png }}" |
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134 | 134 | {%- endif %} |
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135 | 135 | {%- if 'metadata' in output and 'width' in output.metadata.get('png', {}) %} |
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136 | 136 | width={{output.metadata['png']['width']}} |
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137 | 137 | {%- endif %} |
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138 | 138 | {%- if 'metadata' in output and 'height' in output.metadata.get('png', {}) %} |
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139 | 139 | height={{output.metadata['png']['height']}} |
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140 | 140 | {%- endif %} |
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141 | 141 | > |
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142 | 142 | {%- endblock data_png %} |
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143 | 143 | |
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144 | 144 | {% block data_jpg %} |
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145 | 145 | {%- if output.jpeg_filename %} |
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146 | 146 | <img src="{{output.jpeg_filename | posix_path}}" |
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147 | 147 | {%- else %} |
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148 | 148 | <img src="data:image/jpeg;base64,{{ output.jpeg }}" |
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149 | 149 | {%- endif %} |
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150 | 150 | {%- if 'metadata' in output and 'width' in output.metadata.get('jpeg', {}) %} |
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151 | 151 | width={{output.metadata['jpeg']['width']}} |
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152 | 152 | {%- endif %} |
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153 | 153 | {%- if 'metadata' in output and 'height' in output.metadata.get('jpeg', {}) %} |
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154 | 154 | height={{output.metadata['jpeg']['height']}} |
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155 | 155 | {%- endif %} |
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156 | 156 | > |
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157 | 157 | {%- endblock data_jpg %} |
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158 | 158 | |
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159 | 159 | {% block data_latex %} |
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160 | 160 | {{ output.latex }} |
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161 | 161 | {%- endblock data_latex %} |
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162 | 162 | |
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163 | 163 | {% block pyerr -%} |
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164 | 164 | <div class="box-flex1 output_subarea output_pyerr"> |
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165 | 165 | <pre>{{ super() }}</pre> |
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166 | 166 | </div> |
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167 | 167 | {%- endblock pyerr %} |
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168 | 168 | |
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169 | 169 | {%- block traceback_line %} |
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170 | 170 | {{ line | ansi2html }} |
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171 | 171 | {%- endblock traceback_line %} |
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172 | 172 | |
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173 | 173 | {%- block data_text %} |
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174 | 174 | <pre> |
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175 | 175 | {{ output.text | ansi2html }} |
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176 | 176 | </pre> |
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177 | 177 | {%- endblock -%} |
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178 | 178 | |
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179 | 179 | {%- block data_javascript %} |
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180 | 180 | <script type="text/javascript"> |
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181 | 181 | {{ output.javascript }} |
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182 | 182 | </script> |
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183 | 183 | {%- endblock -%} |
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184 | 184 | |
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185 | 185 | {%- block display_data scoped -%} |
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186 | 186 | <div class="box-flex1 output_subarea output_display_data"> |
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187 | 187 | {{ super() }} |
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188 | 188 | </div> |
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189 | 189 | {%- endblock display_data -%} |
@@ -1,21 +1,21 b'' | |||
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1 | 1 | ((= Python input/output style =)) |
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2 | 2 | |
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3 | 3 | ((*- extends 'base.tplx' -*)) |
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4 | 4 | |
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5 | 5 | % Custom definitions |
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6 | 6 | ((* block definitions *)) |
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7 | 7 | ((( super() ))) |
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8 | 8 | |
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9 | 9 | % Pygments definitions |
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10 | 10 | ((( resources.latex.pygments_definitions ))) |
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11 | 11 | ((* endblock definitions *)) |
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12 | 12 | |
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13 | 13 | %=============================================================================== |
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14 | 14 | % Input |
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15 | 15 | %=============================================================================== |
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16 | 16 | |
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17 | 17 | ((* block input scoped *)) |
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18 | 18 | \begin{Verbatim}[commandchars=\\\{\}] |
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19 | ((( cell.input | highlight2latex(strip_verbatim=True) | add_prompts ))) | |
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19 | ((( cell.input | highlight2latex(language=resources.get('language'), strip_verbatim=True) | add_prompts ))) | |
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20 | 20 | \end{Verbatim} |
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21 | 21 | ((* endblock input *)) |
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