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@@ -1,198 +1,197 b'' | |||||
1 | #!/usr/bin/env python |
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1 | #!/usr/bin/env python | |
2 | """NBConvert is a utility for conversion of IPYNB files. |
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2 | """NBConvert is a utility for conversion of IPYNB files. | |
3 |
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3 | |||
4 | Commandline interface for the NBConvert conversion utility. Read the |
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4 | Commandline interface for the NBConvert conversion utility. Read the | |
5 | readme.rst for usage information |
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5 | readme.rst for usage information | |
6 | """ |
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6 | """ | |
7 | #----------------------------------------------------------------------------- |
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7 | #----------------------------------------------------------------------------- | |
8 | #Copyright (c) 2013, the IPython Development Team. |
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8 | #Copyright (c) 2013, the IPython Development Team. | |
9 | # |
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9 | # | |
10 | #Distributed under the terms of the Modified BSD License. |
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10 | #Distributed under the terms of the Modified BSD License. | |
11 | # |
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11 | # | |
12 | #The full license is in the file COPYING.txt, distributed with this software. |
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12 | #The full license is in the file COPYING.txt, distributed with this software. | |
13 | #----------------------------------------------------------------------------- |
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13 | #----------------------------------------------------------------------------- | |
14 |
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14 | |||
15 | #----------------------------------------------------------------------------- |
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15 | #----------------------------------------------------------------------------- | |
16 | #Imports |
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16 | #Imports | |
17 | #----------------------------------------------------------------------------- |
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17 | #----------------------------------------------------------------------------- | |
18 |
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18 | |||
19 | #Stdlib imports |
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19 | #Stdlib imports | |
20 | from __future__ import print_function |
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20 | from __future__ import print_function | |
21 | import sys |
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21 | import sys | |
22 | import os |
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22 | import os | |
23 | import glob |
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23 | import glob | |
24 |
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24 | |||
25 | #From IPython |
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25 | #From IPython | |
26 | from IPython.core.application import BaseIPythonApplication |
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26 | from IPython.core.application import BaseIPythonApplication | |
27 | from IPython.config.application import catch_config_error |
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27 | from IPython.config.application import catch_config_error | |
28 | from IPython.utils.traitlets import Unicode, List, Instance, DottedObjectName, Type |
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28 | from IPython.utils.traitlets import Unicode, List, Instance, DottedObjectName, Type | |
29 | from IPython.utils.importstring import import_item |
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29 | from IPython.utils.importstring import import_item | |
30 |
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30 | |||
31 | from .exporters.export import export_by_name, get_export_names, ExporterNameError |
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31 | from .exporters.export import export_by_name, get_export_names, ExporterNameError | |
32 | from .exporters.exporter import Exporter |
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32 | from .exporters.exporter import Exporter | |
33 | from .writers.base import WriterBase |
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33 | from .writers.base import WriterBase | |
34 | from .utils.config import GlobalConfigurable |
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34 | from .utils.config import GlobalConfigurable | |
35 |
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35 | |||
36 | #----------------------------------------------------------------------------- |
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36 | #----------------------------------------------------------------------------- | |
37 | #Classes and functions |
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37 | #Classes and functions | |
38 | #----------------------------------------------------------------------------- |
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38 | #----------------------------------------------------------------------------- | |
39 |
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39 | |||
40 | class NbConvertApp(BaseIPythonApplication): |
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40 | class NbConvertApp(BaseIPythonApplication): | |
41 | """Application used to convert to and from notebook file type (*.ipynb)""" |
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41 | """Application used to convert to and from notebook file type (*.ipynb)""" | |
42 |
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42 | |||
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43 | name = 'ipython-nbconvert' | |||
43 |
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44 | |||
44 | description = Unicode( |
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45 | description = Unicode( | |
45 | u"""This application is used to convert notebook files (*.ipynb). |
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46 | u"""This application is used to convert notebook files (*.ipynb). | |
46 | An ipython config file can be used to batch convert notebooks in the |
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47 | An ipython config file can be used to batch convert notebooks in the | |
47 | current directory.""") |
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48 | current directory.""") | |
48 |
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49 | |||
49 | examples = Unicode(u""" |
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50 | examples = Unicode(u""" | |
50 | Running `ipython nbconvert` will read the directory config file and then |
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51 | Running `ipython nbconvert` will read the directory config file and then | |
51 | apply it to one or more notebooks. |
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52 | apply it to one or more notebooks. | |
52 |
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53 | |||
53 | Multiple notebooks can be given at the command line in a couple of |
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54 | Multiple notebooks can be given at the command line in a couple of | |
54 | different ways: |
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55 | different ways: | |
55 |
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56 | |||
56 | > ipython nbconvert notebook*.ipynb |
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57 | > ipython nbconvert notebook*.ipynb | |
57 | > ipython nbconvert notebook1.ipynb notebook2.ipynb |
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58 | > ipython nbconvert notebook1.ipynb notebook2.ipynb | |
58 | > ipython nbconvert # this will use the config file to fill in the notebooks |
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59 | > ipython nbconvert # this will use the config file to fill in the notebooks | |
59 | """) |
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60 | """) | |
60 |
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61 | |||
61 | config_file_name = Unicode(u'ipython_nbconvert_config.py') |
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62 |
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63 | #Writer specific variables |
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62 | #Writer specific variables | |
64 | writer = Instance('IPython.nbconvert.writers.base.WriterBase', |
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63 | writer = Instance('IPython.nbconvert.writers.base.WriterBase', | |
65 | help="""Instance of the writer class used to write the |
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64 | help="""Instance of the writer class used to write the | |
66 | results of the conversion.""") |
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65 | results of the conversion.""") | |
67 | writer_class = DottedObjectName('FilesWriter', config=True, |
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66 | writer_class = DottedObjectName('FilesWriter', config=True, | |
68 | help="""Writer class used to write the |
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67 | help="""Writer class used to write the | |
69 | results of the conversion""") |
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68 | results of the conversion""") | |
70 | writer_aliases = {'FilesWriter': 'IPython.nbconvert.writers.files.FilesWriter', |
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69 | writer_aliases = {'FilesWriter': 'IPython.nbconvert.writers.files.FilesWriter', | |
71 | 'DebugWriter': 'IPython.nbconvert.writers.debug.DebugWriter', |
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70 | 'DebugWriter': 'IPython.nbconvert.writers.debug.DebugWriter', | |
72 | 'StdoutWriter': 'IPython.nbconvert.writers.stdout.StdoutWriter'} |
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71 | 'StdoutWriter': 'IPython.nbconvert.writers.stdout.StdoutWriter'} | |
73 | writer_factory = Type() |
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72 | writer_factory = Type() | |
74 |
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73 | |||
75 | def _writer_class_changed(self, name, old, new): |
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74 | def _writer_class_changed(self, name, old, new): | |
76 | if new in self.writer_aliases: |
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75 | if new in self.writer_aliases: | |
77 | new = self.writer_aliases[new] |
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76 | new = self.writer_aliases[new] | |
78 | self.writer_factory = import_item(new) |
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77 | self.writer_factory = import_item(new) | |
79 |
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78 | |||
80 |
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79 | |||
81 | #Other configurable variables |
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80 | #Other configurable variables | |
82 | export_format = Unicode( |
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81 | export_format = Unicode( | |
83 | "", config=True, |
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82 | "", config=True, | |
84 | help="""If specified, nbconvert will convert the document(s) specified |
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83 | help="""If specified, nbconvert will convert the document(s) specified | |
85 | using this format.""") |
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84 | using this format.""") | |
86 |
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85 | |||
87 | notebooks = List([], config=True, help="""List of notebooks to convert. |
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86 | notebooks = List([], config=True, help="""List of notebooks to convert. | |
88 | Search patterns are supported.""") |
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87 | Search patterns are supported.""") | |
89 |
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88 | |||
90 | nbconvert_aliases = {'format':'NbConvertApp.export_format', |
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89 | nbconvert_aliases = {'format':'NbConvertApp.export_format', | |
91 | 'notebooks':'NbConvertApp.notebooks', |
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90 | 'notebooks':'NbConvertApp.notebooks', | |
92 | 'writer':'NbConvertApp.writer_class'} |
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91 | 'writer':'NbConvertApp.writer_class'} | |
93 |
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92 | |||
94 |
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93 | |||
95 | @catch_config_error |
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94 | @catch_config_error | |
96 | def initialize(self, argv=None): |
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95 | def initialize(self, argv=None): | |
97 | self.aliases.update(self.nbconvert_aliases) |
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96 | self.aliases.update(self.nbconvert_aliases) | |
98 |
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97 | |||
99 | super(NbConvertApp, self).initialize(argv) |
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98 | super(NbConvertApp, self).initialize(argv) | |
100 |
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99 | |||
101 | #Register class here to have help with help all |
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100 | #Register class here to have help with help all | |
102 | self.classes.insert(0, Exporter) |
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101 | self.classes.insert(0, Exporter) | |
103 | self.classes.insert(0, WriterBase) |
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102 | self.classes.insert(0, WriterBase) | |
104 | self.classes.insert(0, GlobalConfigurable) |
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103 | self.classes.insert(0, GlobalConfigurable) | |
105 |
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104 | |||
106 | #Init |
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105 | #Init | |
107 | self.init_config(self.extra_args) |
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106 | self.init_config(self.extra_args) | |
108 | self.init_writer() |
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107 | self.init_writer() | |
109 |
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108 | |||
110 |
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109 | |||
111 | def init_config(self, extra_args): |
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110 | def init_config(self, extra_args): | |
112 | """ |
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111 | """ | |
113 | Add notebooks to the config if needed. Glob each notebook to replace |
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112 | Add notebooks to the config if needed. Glob each notebook to replace | |
114 | notebook patterns with filenames. |
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113 | notebook patterns with filenames. | |
115 | """ |
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114 | """ | |
116 |
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115 | |||
117 | #Get any additional notebook patterns from the commandline |
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116 | #Get any additional notebook patterns from the commandline | |
118 | if len(extra_args) > 0: |
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117 | if len(extra_args) > 0: | |
119 | for pattern in extra_args: |
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118 | for pattern in extra_args: | |
120 | self.notebooks.append(pattern) |
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119 | self.notebooks.append(pattern) | |
121 |
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120 | |||
122 | #Use glob to replace all the notebook patterns with filenames. |
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121 | #Use glob to replace all the notebook patterns with filenames. | |
123 | filenames = [] |
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122 | filenames = [] | |
124 | for pattern in self.notebooks: |
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123 | for pattern in self.notebooks: | |
125 | for filename in glob.glob(pattern): |
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124 | for filename in glob.glob(pattern): | |
126 | if not filename in filenames: |
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125 | if not filename in filenames: | |
127 | filenames.append(filename) |
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126 | filenames.append(filename) | |
128 | self.notebooks = filenames |
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127 | self.notebooks = filenames | |
129 |
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128 | |||
130 |
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129 | |||
131 | def init_writer(self): |
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130 | def init_writer(self): | |
132 | """ |
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131 | """ | |
133 | Initialize the writer (which is stateless) |
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132 | Initialize the writer (which is stateless) | |
134 | """ |
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133 | """ | |
135 | self._writer_class_changed(None, self.writer_class, self.writer_class) |
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134 | self._writer_class_changed(None, self.writer_class, self.writer_class) | |
136 | self.writer = self.writer_factory(parent=self) |
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135 | self.writer = self.writer_factory(parent=self) | |
137 |
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136 | |||
138 |
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137 | |||
139 | def start(self, argv=None): |
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138 | def start(self, argv=None): | |
140 | """ |
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139 | """ | |
141 | Ran after initiialization completed |
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140 | Ran after initiialization completed | |
142 | """ |
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141 | """ | |
143 | super(NbConvertApp, self).start() |
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142 | super(NbConvertApp, self).start() | |
144 | self.convert_notebooks() |
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143 | self.convert_notebooks() | |
145 |
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144 | |||
146 |
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145 | |||
147 | def convert_notebooks(self): |
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146 | def convert_notebooks(self): | |
148 | """ |
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147 | """ | |
149 | Convert the notebooks in the self.notebook traitlet |
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148 | Convert the notebooks in the self.notebook traitlet | |
150 | """ |
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149 | """ | |
151 | #Export each notebook |
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150 | #Export each notebook | |
152 | conversion_success = 0 |
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151 | conversion_success = 0 | |
153 | for notebook_filename in self.notebooks: |
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152 | for notebook_filename in self.notebooks: | |
154 |
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153 | |||
155 | #Get a unique key for the notebook and set it in the resources object. |
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154 | #Get a unique key for the notebook and set it in the resources object. | |
156 | basename = os.path.basename(notebook_filename) |
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155 | basename = os.path.basename(notebook_filename) | |
157 | notebook_name = basename[:basename.rfind('.')] |
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156 | notebook_name = basename[:basename.rfind('.')] | |
158 | resources = {} |
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157 | resources = {} | |
159 | resources['unique_key'] = notebook_name |
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158 | resources['unique_key'] = notebook_name | |
160 |
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159 | |||
161 | #Try to export |
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160 | #Try to export | |
162 | try: |
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161 | try: | |
163 | output, resources = export_by_name(self.export_format, |
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162 | output, resources = export_by_name(self.export_format, | |
164 | notebook_filename, |
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163 | notebook_filename, | |
165 | resources=resources, |
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164 | resources=resources, | |
166 | config=self.config) |
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165 | config=self.config) | |
167 | except ExporterNameError as e: |
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166 | except ExporterNameError as e: | |
168 | print("Error: '%s' exporter not found." % self.export_format, |
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167 | print("Error: '%s' exporter not found." % self.export_format, | |
169 | file=sys.stderr) |
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168 | file=sys.stderr) | |
170 | print("Known exporters are:", |
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169 | print("Known exporters are:", | |
171 | "\n\t" + "\n\t".join(get_export_names()), |
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170 | "\n\t" + "\n\t".join(get_export_names()), | |
172 | file=sys.stderr) |
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171 | file=sys.stderr) | |
173 | sys.exit(-1) |
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172 | sys.exit(-1) | |
174 | #except Exception as e: |
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173 | #except Exception as e: | |
175 | #print("Error: could not export '%s'" % notebook_filename, file=sys.stderr) |
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174 | #print("Error: could not export '%s'" % notebook_filename, file=sys.stderr) | |
176 | #print(e, file=sys.stderr) |
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175 | #print(e, file=sys.stderr) | |
177 | else: |
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176 | else: | |
178 | self.writer.write(output, resources, notebook_name=notebook_name) |
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177 | self.writer.write(output, resources, notebook_name=notebook_name) | |
179 | conversion_success += 1 |
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178 | conversion_success += 1 | |
180 |
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179 | |||
181 | #If nothing was converted successfully, help the user. |
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180 | #If nothing was converted successfully, help the user. | |
182 | if conversion_success == 0: |
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181 | if conversion_success == 0: | |
183 |
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182 | |||
184 | #No notebooks were specified, show help. |
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183 | #No notebooks were specified, show help. | |
185 | if len(self.notebooks) == 0: |
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184 | if len(self.notebooks) == 0: | |
186 | self.print_help() |
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185 | self.print_help() | |
187 |
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186 | |||
188 | #Notebooks were specified, but not converted successfully. Show how |
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187 | #Notebooks were specified, but not converted successfully. Show how | |
189 | #to access help. |
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188 | #to access help. | |
190 | else: |
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189 | else: | |
191 | print('For help, use "ipython nbconvert --help"') |
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190 | print('For help, use "ipython nbconvert --help"') | |
192 |
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191 | |||
193 |
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192 | |||
194 | #----------------------------------------------------------------------------- |
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193 | #----------------------------------------------------------------------------- | |
195 | # Main entry point |
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194 | # Main entry point | |
196 | #----------------------------------------------------------------------------- |
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195 | #----------------------------------------------------------------------------- | |
197 |
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196 | |||
198 | launch_new_instance = NbConvertApp.launch_instance |
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197 | launch_new_instance = NbConvertApp.launch_instance |
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