-
Notifications
You must be signed in to change notification settings - Fork 804
/
nbTranslate.py
240 lines (205 loc) · 6.61 KB
/
nbTranslate.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
# -*- coding: utf-8 -*-
"""nbTranslate Preprocessor Exporter class"""
# -----------------------------------------------------------------------------
# Copyright (c) 2016, J.-F. Bercher
#
# Distributed under the terms of the Modified BSD License.
#
# -----------------------------------------------------------------------------
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
from __future__ import print_function
import nbformat
from nbconvert.exporters.notebook import NotebookExporter
from nbconvert.preprocessors import Preprocessor
from traitlets import Bool, Enum, Unicode
# -----------------------------------------------------------------------------
# Preprocessor
# -----------------------------------------------------------------------------
langs = {
'auto': 'Automatic',
'af': 'Afrikaans',
'sq': 'Albanian',
'ar': 'Arabic',
'hy': 'Armenian',
'az': 'Azerbaijani',
'eu': 'Basque',
'be': 'Belarusian',
'bn': 'Bengali',
'bs': 'Bosnian',
'bg': 'Bulgarian',
'ca': 'Catalan',
'ceb': 'Cebuano',
'ny': 'Chichewa',
'zh-cn': 'Chinese Simplified',
'zh-tw': 'Chinese Traditional',
'co': 'Corsican',
'hr': 'Croatian',
'cs': 'Czech',
'da': 'Danish',
'nl': 'Dutch',
'en': 'English',
'eo': 'Esperanto',
'et': 'Estonian',
'tl': 'Filipino',
'fi': 'Finnish',
'fr': 'French',
'fy': 'Frisian',
'gl': 'Galician',
'ka': 'Georgian',
'de': 'German',
'el': 'Greek',
'gu': 'Gujarati',
'ht': 'Haitian Creole',
'ha': 'Hausa',
'haw': 'Hawaiian',
'iw': 'Hebrew',
'hi': 'Hindi',
'hmn': 'Hmong',
'hu': 'Hungarian',
'is': 'Icelandic',
'ig': 'Igbo',
'id': 'Indonesian',
'ga': 'Irish',
'it': 'Italian',
'ja': 'Japanese',
'jw': 'Javanese',
'kn': 'Kannada',
'kk': 'Kazakh',
'km': 'Khmer',
'ko': 'Korean',
'ku': 'Kurdish (Kurmanji)',
'ky': 'Kyrgyz',
'lo': 'Lao',
'la': 'Latin',
'lv': 'Latvian',
'lt': 'Lithuanian',
'lb': 'Luxembourgish',
'mk': 'Macedonian',
'mg': 'Malagasy',
'ms': 'Malay',
'ml': 'Malayalam',
'mt': 'Maltese',
'mi': 'Maori',
'mr': 'Marathi',
'mn': 'Mongolian',
'my': 'Myanmar (Burmese)',
'ne': 'Nepali',
'no': 'Norwegian',
'ps': 'Pashto',
'fa': 'Persian',
'pl': 'Polish',
'pt': 'Portuguese',
'ma': 'Punjabi',
'ro': 'Romanian',
'ru': 'Russian',
'sm': 'Samoan',
'gd': 'Scots Gaelic',
'sr': 'Serbian',
'st': 'Sesotho',
'sn': 'Shona',
'sd': 'Sindhi',
'si': 'Sinhala',
'sk': 'Slovak',
'sl': 'Slovenian',
'so': 'Somali',
'es': 'Spanish',
'su': 'Sudanese',
'sw': 'Swahili',
'sv': 'Swedish',
'tg': 'Tajik',
'ta': 'Tamil',
'te': 'Telugu',
'th': 'Thai',
'tr': 'Turkish',
'uk': 'Ukrainian',
'ur': 'Urdu',
'uz': 'Uzbek',
'vi': 'Vietnamese',
'cy': 'Welsh',
'xh': 'Xhosa',
'yi': 'Yiddish',
'yo': 'Yoruba',
'zu': 'Zulu'
}
class nbTranslatePreprocessor(Preprocessor):
def __init__(self, lang='en', **kw):
self.language = lang
def __call__(self, nb, resources, lang='en'):
if self.enabled:
self.log.debug("Applying preprocessor: %s",
self.__class__.__name__)
return self.preprocess(nb, resources)
else:
return nb, resources
def preprocess(self, nb, resources):
"""
Preprocessing to apply on each notebook.
Must return modified nb, resources.
If you wish to apply your preprocessing to each cell, you might want
to override preprocess_cell method instead.
Parameters
----------
nb : NotebookNode
Notebook being converted
resources : dictionary
Additional resources used in the conversion process. Allows
preprocessors to pass variables into the Jinja engine.
"""
filtered_cells = []
for cell in nb.cells:
if cell.cell_type == 'markdown':
if (cell.get('metadata', {}).get('lang', self.language) == self.language): # noqa
filtered_cells.append(cell)
else:
filtered_cells.append(cell)
nb.cells = filtered_cells
return super(nbTranslatePreprocessor, self).preprocess(nb, resources)
def preprocess_cell(self, cell, resources, index):
"""
Preprocess cell
Parameters
----------
cell : NotebookNode cell
Notebook cell being processed
resources : dictionary
Additional resources used in the conversion process. Allows
preprocessors to pass variables into the Jinja engine.
cell_index : int
Index of the cell being processed (see base.py)
"""
return cell, resources
# ----------------------------------------------------------------
# Exporter
# ----------------------------------------------------------------
class NotebookLangExporter(NotebookExporter):
"""Exports to an IPython notebook."""
nbformat_version = Enum(list(nbformat.versions),
default_value=nbformat.current_nbformat,
config=True,
help="""The nbformat version to write.
Use this to downgrade notebooks.
"""
)
# language = CaselessStrEnum(
# langs.keys(), help="Selected language").tag(config=True, alias="lang")
language = Unicode(
'en', help="Selected language").tag(config=True, alias="lang")
addSuffix = Bool(True, help="Use language tag as suffix")
# language = 'en'
def _file_extension_default(self):
return '.ipynb'
output_mimetype = 'application/json'
def from_notebook_node(self, nb, resources=None, **kw):
if (self.language not in langs.keys()):
raise ValueError("""Error -- {} is not a valid language abbreviation
Please select one of the abbreviations in the list\n {}""".format(self.language, langs)) # noqa
nbtranslatepreprocessor = nbTranslatePreprocessor(lang=self.language)
self.register_preprocessor(nbtranslatepreprocessor, enabled=True)
self._init_preprocessors()
nb, resources = nbtranslatepreprocessor(nb, resources)
nb_copy, resources = super(NotebookLangExporter, self).from_notebook_node(nb, resources, **kw) # noqa
if self.addSuffix:
resources['output_suffix'] = '_' + self.language
return nb_copy, resources