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@@ -1,104 +1,104 b'' | |||||
1 | """ |
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1 | """ | |
2 | Module containing filter functions that allow code to be highlighted |
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2 | Module containing filter functions that allow code to be highlighted | |
3 | from within Jinja templates. |
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3 | from within Jinja templates. | |
4 | """ |
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4 | """ | |
5 | #----------------------------------------------------------------------------- |
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5 | #----------------------------------------------------------------------------- | |
6 | # Copyright (c) 2013, the IPython Development Team. |
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6 | # Copyright (c) 2013, the IPython Development Team. | |
7 | # |
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7 | # | |
8 | # Distributed under the terms of the Modified BSD License. |
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8 | # Distributed under the terms of the Modified BSD License. | |
9 | # |
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9 | # | |
10 | # The full license is in the file COPYING.txt, distributed with this software. |
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10 | # The full license is in the file COPYING.txt, distributed with this software. | |
11 | #----------------------------------------------------------------------------- |
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11 | #----------------------------------------------------------------------------- | |
12 |
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12 | |||
13 | #----------------------------------------------------------------------------- |
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13 | #----------------------------------------------------------------------------- | |
14 | # Imports |
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14 | # Imports | |
15 | #----------------------------------------------------------------------------- |
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15 | #----------------------------------------------------------------------------- | |
16 |
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16 | |||
17 | import re |
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17 | import re | |
18 |
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18 | |||
19 | from pygments import highlight as pygements_highlight |
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19 | from pygments import highlight as pygements_highlight | |
20 | from pygments.lexers import get_lexer_by_name |
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20 | from pygments.lexers import get_lexer_by_name | |
21 | from pygments.formatters import HtmlFormatter |
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21 | from pygments.formatters import HtmlFormatter | |
22 | from pygments.formatters import LatexFormatter |
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22 | from pygments.formatters import LatexFormatter | |
23 |
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23 | |||
24 | # Our own imports |
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24 | # Our own imports | |
25 | from IPython.nbconvert.utils.lexers import IPythonLexer |
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25 | from IPython.nbconvert.utils.lexers import IPythonLexer | |
26 |
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26 | |||
27 | #----------------------------------------------------------------------------- |
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27 | #----------------------------------------------------------------------------- | |
28 | # Globals and constants |
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28 | # Globals and constants | |
29 | #----------------------------------------------------------------------------- |
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29 | #----------------------------------------------------------------------------- | |
30 |
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30 | |||
31 | MULTILINE_OUTPUTS = ['text', 'html', 'svg', 'latex', 'javascript', 'json'] |
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31 | MULTILINE_OUTPUTS = ['text', 'html', 'svg', 'latex', 'javascript', 'json'] | |
32 |
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32 | |||
33 | #----------------------------------------------------------------------------- |
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33 | #----------------------------------------------------------------------------- | |
34 | # Utility functions |
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34 | # Utility functions | |
35 | #----------------------------------------------------------------------------- |
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35 | #----------------------------------------------------------------------------- | |
36 |
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36 | |||
37 | __all__ = [ |
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37 | __all__ = [ | |
38 | 'highlight2html', |
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38 | 'highlight2html', | |
39 | 'highlight2latex' |
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39 | 'highlight2latex' | |
40 | ] |
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40 | ] | |
41 |
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41 | |||
42 |
def highlight2html(source, |
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42 | def highlight2html(source, language='ipython', metadata=None): | |
43 | """ |
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43 | """ | |
44 | Return a syntax-highlighted version of the input source as html output. |
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44 | Return a syntax-highlighted version of the input source as html output. | |
45 |
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45 | |||
46 | Parameters |
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46 | Parameters | |
47 | ---------- |
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47 | ---------- | |
48 | source : str |
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48 | source : str | |
49 | source of the cell to highlight. |
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49 | source of the cell to highlight. | |
50 | metadata : NotebookNode cell metadata |
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51 | metadata of the cell to highlight. |
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52 | language : str |
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50 | language : str | |
53 | Language to highlight the syntax of. |
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51 | Language to highlight the syntax of. | |
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52 | metadata : NotebookNode cell metadata | |||
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53 | metadata of the cell to highlight. | |||
54 | """ |
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54 | """ | |
55 |
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55 | |||
56 |
return _pygment_highlight(source, HtmlFormatter(), |
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56 | return _pygment_highlight(source, HtmlFormatter(), language, metadata) | |
57 |
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57 | |||
58 |
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58 | |||
59 |
def highlight2latex(source, |
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59 | def highlight2latex(source, language='ipython', metadata=None): | |
60 | """ |
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60 | """ | |
61 | Return a syntax-highlighted version of the input source as latex output. |
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61 | Return a syntax-highlighted version of the input source as latex output. | |
62 |
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62 | |||
63 | Parameters |
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63 | Parameters | |
64 | ---------- |
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64 | ---------- | |
65 | source : str |
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65 | source : str | |
66 | source of the cell to highlight. |
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66 | source of the cell to highlight. | |
67 | metadata : NotebookNode cell metadata |
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68 | metadata of the cell to highlight. |
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69 | language : str |
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67 | language : str | |
70 | Language to highlight the syntax of. |
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68 | Language to highlight the syntax of. | |
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69 | metadata : NotebookNode cell metadata | |||
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70 | metadata of the cell to highlight. | |||
71 | """ |
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71 | """ | |
72 |
return _pygment_highlight(source, LatexFormatter(), |
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72 | return _pygment_highlight(source, LatexFormatter(), language, metadata) | |
73 |
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73 | |||
74 |
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74 | |||
75 |
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75 | |||
76 |
def _pygment_highlight(source, output_formatter, |
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76 | def _pygment_highlight(source, output_formatter, language='ipython', metadata=None): | |
77 | """ |
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77 | """ | |
78 | Return a syntax-highlighted version of the input source |
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78 | Return a syntax-highlighted version of the input source | |
79 |
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79 | |||
80 | Parameters |
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80 | Parameters | |
81 | ---------- |
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81 | ---------- | |
82 | source : str |
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82 | source : str | |
83 | source of the cell to highlight. |
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83 | source of the cell to highlight. | |
84 | output_formatter : Pygments formatter |
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84 | output_formatter : Pygments formatter | |
85 | metadata : NotebookNode cell metadata |
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86 | metadata of the cell to highlight. |
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87 | language : str |
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85 | language : str | |
88 | Language to highlight the syntax of. |
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86 | Language to highlight the syntax of. | |
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87 | metadata : NotebookNode cell metadata | |||
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88 | metadata of the cell to highlight. | |||
89 | """ |
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89 | """ | |
90 |
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90 | |||
91 | # If the cell uses a magic extension language, |
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91 | # If the cell uses a magic extension language, | |
92 | # use the magic language instead. |
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92 | # use the magic language instead. | |
93 | if language == 'ipython' \ |
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93 | if language == 'ipython' \ | |
94 | and metadata \ |
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94 | and metadata \ | |
95 | and 'magics_language' in metadata: |
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95 | and 'magics_language' in metadata: | |
96 |
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96 | |||
97 | language = metadata['magics_language'] |
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97 | language = metadata['magics_language'] | |
98 |
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98 | |||
99 | if language == 'ipython': |
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99 | if language == 'ipython': | |
100 | lexer = IPythonLexer() |
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100 | lexer = IPythonLexer() | |
101 | else: |
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101 | else: | |
102 | lexer = get_lexer_by_name(language, stripall=True) |
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102 | lexer = get_lexer_by_name(language, stripall=True) | |
103 |
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103 | |||
104 | return pygements_highlight(source, lexer, output_formatter) |
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104 | return pygements_highlight(source, lexer, output_formatter) |
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