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1 | """ |
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1 | """ | |
2 | Module containing single call export functions. |
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2 | Module containing single call export functions. | |
3 | """ |
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3 | """ | |
4 | #----------------------------------------------------------------------------- |
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4 | #----------------------------------------------------------------------------- | |
5 | # Copyright (c) 2013, the IPython Development Team. |
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5 | # Copyright (c) 2013, the IPython Development Team. | |
6 | # |
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6 | # | |
7 | # Distributed under the terms of the Modified BSD License. |
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7 | # Distributed under the terms of the Modified BSD License. | |
8 | # |
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8 | # | |
9 | # The full license is in the file COPYING.txt, distributed with this software. |
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9 | # The full license is in the file COPYING.txt, distributed with this software. | |
10 | #----------------------------------------------------------------------------- |
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10 | #----------------------------------------------------------------------------- | |
11 |
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11 | |||
12 | #----------------------------------------------------------------------------- |
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12 | #----------------------------------------------------------------------------- | |
13 | # Imports |
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13 | # Imports | |
14 | #----------------------------------------------------------------------------- |
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14 | #----------------------------------------------------------------------------- | |
15 |
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15 | |||
16 | from functools import wraps |
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16 | from functools import wraps | |
17 |
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17 | |||
18 | from IPython.nbformat.v3.nbbase import NotebookNode |
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18 | from IPython.nbformat.v3.nbbase import NotebookNode | |
19 | from IPython.config import Config |
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19 | from IPython.config import Config | |
20 |
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20 | |||
21 | from .exporter import Exporter |
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21 | from .exporter import Exporter | |
22 | from .html import HTMLExporter |
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22 | from .html import HTMLExporter | |
23 | from .slides import SlidesExporter |
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23 | from .slides import SlidesExporter | |
24 | from .latex import LatexExporter |
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24 | from .latex import LatexExporter | |
25 | from .markdown import MarkdownExporter |
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25 | from .markdown import MarkdownExporter | |
26 | from .python import PythonExporter |
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26 | from .python import PythonExporter | |
27 | from .rst import RSTExporter |
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27 | from .rst import RSTExporter | |
28 |
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28 | |||
29 | #----------------------------------------------------------------------------- |
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29 | #----------------------------------------------------------------------------- | |
30 | # Classes |
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30 | # Classes | |
31 | #----------------------------------------------------------------------------- |
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31 | #----------------------------------------------------------------------------- | |
32 |
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32 | |||
33 | def DocDecorator(f): |
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33 | def DocDecorator(f): | |
34 |
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34 | |||
35 | #Set docstring of function |
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35 | #Set docstring of function | |
36 | f.__doc__ = f.__doc__ + """ |
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36 | f.__doc__ = f.__doc__ + """ | |
37 | nb : Notebook node |
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37 | nb : Notebook node | |
38 | config : config (optional, keyword arg) |
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38 | config : config (optional, keyword arg) | |
39 | User configuration instance. |
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39 | User configuration instance. | |
40 | resources : dict (optional, keyword arg) |
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40 | resources : dict (optional, keyword arg) | |
41 | Resources used in the conversion process. |
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41 | Resources used in the conversion process. | |
42 |
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42 | |||
43 | Returns |
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43 | Returns | |
44 | ---------- |
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44 | ---------- | |
45 | tuple- output, resources, exporter_instance |
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45 | tuple- output, resources, exporter_instance | |
46 | output : str |
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46 | output : str | |
47 | Jinja 2 output. This is the resulting converted notebook. |
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47 | Jinja 2 output. This is the resulting converted notebook. | |
48 | resources : dictionary |
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48 | resources : dictionary | |
49 | Dictionary of resources used prior to and during the conversion |
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49 | Dictionary of resources used prior to and during the conversion | |
50 | process. |
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50 | process. | |
51 | exporter_instance : Exporter |
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51 | exporter_instance : Exporter | |
52 | Instance of the Exporter class used to export the document. Useful |
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52 | Instance of the Exporter class used to export the document. Useful | |
53 | to caller because it provides a 'file_extension' property which |
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53 | to caller because it provides a 'file_extension' property which | |
54 | specifies what extension the output should be saved as. |
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54 | specifies what extension the output should be saved as. | |
55 |
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55 | |||
56 | WARNING: API WILL CHANGE IN FUTURE RELEASES OF NBCONVERT |
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56 | WARNING: API WILL CHANGE IN FUTURE RELEASES OF NBCONVERT | |
57 | """ |
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57 | """ | |
58 |
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58 | |||
59 | @wraps(f) |
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59 | @wraps(f) | |
60 | def decorator(*args, **kwargs): |
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60 | def decorator(*args, **kwargs): | |
61 | return f(*args, **kwargs) |
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61 | return f(*args, **kwargs) | |
62 |
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62 | |||
63 | return decorator |
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63 | return decorator | |
64 |
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64 | |||
65 |
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65 | |||
66 | #----------------------------------------------------------------------------- |
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66 | #----------------------------------------------------------------------------- | |
67 | # Functions |
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67 | # Functions | |
68 | #----------------------------------------------------------------------------- |
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68 | #----------------------------------------------------------------------------- | |
69 |
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69 | |||
70 | __all__ = [ |
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70 | __all__ = [ | |
71 | 'export', |
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71 | 'export', | |
72 | 'export_html', |
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72 | 'export_html', | |
73 | 'export_custom', |
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73 | 'export_custom', | |
74 | 'export_slides', |
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74 | 'export_slides', | |
75 | 'export_latex', |
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75 | 'export_latex', | |
76 | 'export_markdown', |
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76 | 'export_markdown', | |
77 | 'export_python', |
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77 | 'export_python', | |
78 | 'export_rst', |
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78 | 'export_rst', | |
79 | 'export_by_name', |
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79 | 'export_by_name', | |
80 | 'get_export_names', |
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80 | 'get_export_names', | |
81 | 'ExporterNameError' |
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81 | 'ExporterNameError' | |
82 | ] |
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82 | ] | |
83 |
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83 | |||
84 |
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84 | |||
85 | class ExporterNameError(NameError): |
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85 | class ExporterNameError(NameError): | |
86 | pass |
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86 | pass | |
87 |
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87 | |||
88 | _exporters = {} |
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89 |
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90 | @DocDecorator |
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88 | @DocDecorator | |
91 | def export(exporter, nb, **kw): |
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89 | def export(exporter, nb, **kw): | |
92 | """ |
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90 | """ | |
93 | Export a notebook object using specific exporter class. |
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91 | Export a notebook object using specific exporter class. | |
94 |
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92 | |||
95 | exporter : Exporter class type or instance |
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93 | exporter : Exporter class type or instance | |
96 | Class type or instance of the exporter that should be used. If the |
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94 | Class type or instance of the exporter that should be used. If the | |
97 | method initializes it's own instance of the class, it is ASSUMED that |
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95 | method initializes it's own instance of the class, it is ASSUMED that | |
98 | the class type provided exposes a constructor (__init__) with the same |
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96 | the class type provided exposes a constructor (__init__) with the same | |
99 | signature as the base Exporter class. |
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97 | signature as the base Exporter class. | |
100 | """ |
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98 | """ | |
101 |
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99 | |||
102 | #Check arguments |
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100 | #Check arguments | |
103 | if exporter is None: |
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101 | if exporter is None: | |
104 | raise TypeError("Exporter is None") |
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102 | raise TypeError("Exporter is None") | |
105 | elif not isinstance(exporter, Exporter) and not issubclass(exporter, Exporter): |
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103 | elif not isinstance(exporter, Exporter) and not issubclass(exporter, Exporter): | |
106 | raise TypeError("exporter does not inherit from Exporter (base)") |
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104 | raise TypeError("exporter does not inherit from Exporter (base)") | |
107 | if nb is None: |
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105 | if nb is None: | |
108 | raise TypeError("nb is None") |
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106 | raise TypeError("nb is None") | |
109 |
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107 | |||
110 | #Create the exporter |
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108 | #Create the exporter | |
111 | resources = kw.pop('resources', None) |
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109 | resources = kw.pop('resources', None) | |
112 | if isinstance(exporter, Exporter): |
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110 | if isinstance(exporter, Exporter): | |
113 | exporter_instance = exporter |
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111 | exporter_instance = exporter | |
114 | else: |
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112 | else: | |
115 |
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113 | exporter_instance = exporter(**kw) | |
116 | exporter_instance = _exporters[exporter] = exporter(**kw) |
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114 | ||
117 | else: |
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118 | exporter_instance = _exporters[exporter] |
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119 | for attr, value in kw.items(): |
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120 | setattr(exporter_instance, attr, value) |
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121 |
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122 | #Try to convert the notebook using the appropriate conversion function. |
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115 | #Try to convert the notebook using the appropriate conversion function. | |
123 | if isinstance(nb, NotebookNode): |
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116 | if isinstance(nb, NotebookNode): | |
124 | output, resources = exporter_instance.from_notebook_node(nb, resources) |
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117 | output, resources = exporter_instance.from_notebook_node(nb, resources) | |
125 | elif isinstance(nb, basestring): |
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118 | elif isinstance(nb, basestring): | |
126 | output, resources = exporter_instance.from_filename(nb, resources) |
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119 | output, resources = exporter_instance.from_filename(nb, resources) | |
127 | else: |
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120 | else: | |
128 | output, resources = exporter_instance.from_file(nb, resources) |
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121 | output, resources = exporter_instance.from_file(nb, resources) | |
129 | return output, resources |
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122 | return output, resources | |
130 |
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123 | |||
131 | exporter_map = dict( |
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124 | exporter_map = dict( | |
132 | custom=Exporter, |
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125 | custom=Exporter, | |
133 | html=HTMLExporter, |
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126 | html=HTMLExporter, | |
134 | slides=SlidesExporter, |
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127 | slides=SlidesExporter, | |
135 | latex=LatexExporter, |
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128 | latex=LatexExporter, | |
136 | markdown=MarkdownExporter, |
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129 | markdown=MarkdownExporter, | |
137 | python=PythonExporter, |
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130 | python=PythonExporter, | |
138 | rst=RSTExporter, |
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131 | rst=RSTExporter, | |
139 | ) |
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132 | ) | |
140 |
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133 | |||
141 | def _make_exporter(name, E): |
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134 | def _make_exporter(name, E): | |
142 | """make an export_foo function from a short key and Exporter class E""" |
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135 | """make an export_foo function from a short key and Exporter class E""" | |
143 | def _export(nb, **kw): |
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136 | def _export(nb, **kw): | |
144 | return export(E, nb, **kw) |
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137 | return export(E, nb, **kw) | |
145 | _export.__doc__ = """Export a notebook object to {0} format""".format(name) |
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138 | _export.__doc__ = """Export a notebook object to {0} format""".format(name) | |
146 | return _export |
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139 | return _export | |
147 |
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140 | |||
148 | g = globals() |
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141 | g = globals() | |
149 |
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142 | |||
150 | for name, E in exporter_map.items(): |
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143 | for name, E in exporter_map.items(): | |
151 | g['export_%s' % name] = DocDecorator(_make_exporter(name, E)) |
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144 | g['export_%s' % name] = DocDecorator(_make_exporter(name, E)) | |
152 |
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145 | |||
153 | @DocDecorator |
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146 | @DocDecorator | |
154 | def export_by_name(format_name, nb, **kw): |
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147 | def export_by_name(format_name, nb, **kw): | |
155 | """ |
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148 | """ | |
156 | Export a notebook object to a template type by its name. Reflection |
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149 | Export a notebook object to a template type by its name. Reflection | |
157 | (Inspect) is used to find the template's corresponding explicit export |
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150 | (Inspect) is used to find the template's corresponding explicit export | |
158 | method defined in this module. That method is then called directly. |
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151 | method defined in this module. That method is then called directly. | |
159 |
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152 | |||
160 | format_name : str |
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153 | format_name : str | |
161 | Name of the template style to export to. |
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154 | Name of the template style to export to. | |
162 | """ |
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155 | """ | |
163 |
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156 | |||
164 | function_name = "export_" + format_name.lower() |
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157 | function_name = "export_" + format_name.lower() | |
165 |
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158 | |||
166 | if function_name in globals(): |
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159 | if function_name in globals(): | |
167 | return globals()[function_name](nb, **kw) |
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160 | return globals()[function_name](nb, **kw) | |
168 | else: |
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161 | else: | |
169 | raise ExporterNameError("template for `%s` not found" % function_name) |
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162 | raise ExporterNameError("template for `%s` not found" % function_name) | |
170 |
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163 | |||
171 |
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164 | |||
172 | def get_export_names(): |
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165 | def get_export_names(): | |
173 | """Return a list of the currently supported export targets |
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166 | """Return a list of the currently supported export targets | |
174 |
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167 | |||
175 | WARNING: API WILL CHANGE IN FUTURE RELEASES OF NBCONVERT""" |
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168 | WARNING: API WILL CHANGE IN FUTURE RELEASES OF NBCONVERT""" | |
176 | return sorted(exporter_map.keys()) |
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169 | return sorted(exporter_map.keys()) |
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