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1 | """ |
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1 | """ | |
2 | This is Mercurial extension for syntax highlighting in the file |
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2 | This is Mercurial extension for syntax highlighting in the file | |
3 | revision view of hgweb. |
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3 | revision view of hgweb. | |
4 |
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4 | |||
5 | It depends on the pygments syntax highlighting library: |
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5 | It depends on the pygments syntax highlighting library: | |
6 | http://pygments.org/ |
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6 | http://pygments.org/ | |
7 |
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7 | |||
8 | To enable the extension add this to hgrc: |
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8 | To enable the extension add this to hgrc: | |
9 |
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9 | |||
10 | [extensions] |
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10 | [extensions] | |
11 | hgext.highlight = |
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11 | hgext.highlight = | |
12 |
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12 | |||
13 | There is a single configuration option: |
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13 | There is a single configuration option: | |
14 |
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14 | |||
15 | [web] |
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15 | [web] | |
16 | pygments_style = <style> |
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16 | pygments_style = <style> | |
17 |
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17 | |||
18 | The default is 'colorful'. If this is changed the corresponding CSS |
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18 | The default is 'colorful'. If this is changed the corresponding CSS | |
19 | file should be re-generated by running |
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19 | file should be re-generated by running | |
20 |
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20 | |||
21 | # pygmentize -f html -S <newstyle> |
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21 | # pygmentize -f html -S <newstyle> | |
22 |
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22 | |||
23 |
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23 | |||
24 | -- Adam Hupp <adam@hupp.org> |
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24 | -- Adam Hupp <adam@hupp.org> | |
25 |
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25 | |||
26 |
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26 | |||
27 | """ |
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27 | """ | |
28 |
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28 | |||
29 | from mercurial import demandimport |
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29 | from mercurial import demandimport | |
30 | demandimport.ignore.extend(['pkgutil', |
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30 | demandimport.ignore.extend(['pkgutil', | |
31 | 'pkg_resources', |
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31 | 'pkg_resources', | |
32 | '__main__',]) |
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32 | '__main__',]) | |
33 |
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33 | |||
34 | import mimetypes |
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34 | import mimetypes | |
35 |
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35 | |||
36 | from mercurial.hgweb import hgweb_mod |
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36 | from mercurial.hgweb import hgweb_mod | |
37 | from mercurial.hgweb.hgweb_mod import hgweb |
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37 | from mercurial.hgweb.hgweb_mod import hgweb | |
38 | from mercurial import util |
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38 | from mercurial import util | |
39 | from mercurial.hgweb.common import paritygen |
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39 | from mercurial.hgweb.common import paritygen | |
40 | from mercurial.node import hex |
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40 | from mercurial.node import hex | |
41 | from mercurial.templatefilters import filters |
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41 | from mercurial.templatefilters import filters | |
42 |
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42 | |||
43 | from pygments import highlight |
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43 | from pygments import highlight | |
44 | from pygments.util import ClassNotFound |
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44 | from pygments.util import ClassNotFound | |
45 | from pygments.lexers import guess_lexer_for_filename, TextLexer |
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45 | from pygments.lexers import guess_lexer_for_filename, TextLexer | |
46 | from pygments.formatters import HtmlFormatter |
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46 | from pygments.formatters import HtmlFormatter | |
47 |
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47 | |||
48 | SYNTAX_CSS = ('\n<link rel="stylesheet" href="#staticurl#highlight.css" ' |
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48 | SYNTAX_CSS = ('\n<link rel="stylesheet" href="#staticurl#highlight.css" ' | |
49 | 'type="text/css" />') |
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49 | 'type="text/css" />') | |
50 |
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50 | |||
51 | def pygmentize(self, tmpl, fctx, field): |
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51 | def pygmentize(self, tmpl, fctx, field): | |
52 | # append a <link ...> to the syntax highlighting css |
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52 | # append a <link ...> to the syntax highlighting css | |
53 | old_header = ''.join(tmpl('header')) |
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53 | old_header = ''.join(tmpl('header')) | |
54 | if SYNTAX_CSS not in old_header: |
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54 | if SYNTAX_CSS not in old_header: | |
55 | new_header = old_header + SYNTAX_CSS |
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55 | new_header = old_header + SYNTAX_CSS | |
56 | tmpl.cache['header'] = new_header |
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56 | tmpl.cache['header'] = new_header | |
57 |
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57 | |||
58 | text = fctx.data() |
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58 | text = fctx.data() | |
59 | if util.binary(text): |
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59 | if util.binary(text): | |
60 | return |
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60 | return | |
61 |
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61 | |||
62 | style = self.config("web", "pygments_style", "colorful") |
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62 | style = self.config("web", "pygments_style", "colorful") | |
63 | # To get multi-line strings right, we can't format line-by-line |
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63 | # To get multi-line strings right, we can't format line-by-line | |
64 | try: |
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64 | try: | |
65 | lexer = guess_lexer_for_filename(fctx.path(), text, |
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65 | lexer = guess_lexer_for_filename(fctx.path(), text, | |
66 | encoding=util._encoding) |
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66 | encoding=util._encoding) | |
67 | except ClassNotFound: |
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67 | except ClassNotFound: | |
68 | lexer = TextLexer(encoding=util._encoding) |
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68 | lexer = TextLexer(encoding=util._encoding) | |
69 |
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69 | |||
70 | formatter = HtmlFormatter(style=style, encoding=util._encoding) |
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70 | formatter = HtmlFormatter(style=style, encoding=util._encoding) | |
71 |
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71 | |||
72 | colorized = highlight(text, lexer, formatter) |
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72 | colorized = highlight(text, lexer, formatter) | |
73 | # strip wrapping div |
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73 | # strip wrapping div | |
74 | colorized = colorized[:colorized.find('\n</pre>')] |
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74 | colorized = colorized[:colorized.find('\n</pre>')] | |
75 |
colorized = colorized[colorized.find('< |
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75 | colorized = colorized[colorized.find('<pre>')+5:] | |
76 | coloriter = iter(colorized.splitlines()) |
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76 | coloriter = iter(colorized.splitlines()) | |
77 |
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77 | |||
78 | filters['colorize'] = lambda x: coloriter.next() |
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78 | filters['colorize'] = lambda x: coloriter.next() | |
79 |
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79 | |||
80 | oldl = tmpl.cache[field] |
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80 | oldl = tmpl.cache[field] | |
81 | newl = oldl.replace('line|escape', 'line|colorize') |
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81 | newl = oldl.replace('line|escape', 'line|colorize') | |
82 | tmpl.cache[field] = newl |
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82 | tmpl.cache[field] = newl | |
83 |
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83 | |||
84 | def filerevision_highlight(self, tmpl, fctx): |
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84 | def filerevision_highlight(self, tmpl, fctx): | |
85 | pygmentize(self, tmpl, fctx, 'fileline') |
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85 | pygmentize(self, tmpl, fctx, 'fileline') | |
86 |
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86 | |||
87 | return realrevision(self, tmpl, fctx) |
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87 | return realrevision(self, tmpl, fctx) | |
88 |
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88 | |||
89 | def fileannotate_highlight(self, tmpl, fctx): |
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89 | def fileannotate_highlight(self, tmpl, fctx): | |
90 | pygmentize(self, tmpl, fctx, 'annotateline') |
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90 | pygmentize(self, tmpl, fctx, 'annotateline') | |
91 |
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91 | |||
92 | return realannotate(self, tmpl, fctx) |
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92 | return realannotate(self, tmpl, fctx) | |
93 |
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93 | |||
94 | # monkeypatch in the new version |
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94 | # monkeypatch in the new version | |
95 | # should be safer than overriding the method in a derived class |
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95 | # should be safer than overriding the method in a derived class | |
96 | # and then patching the class |
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96 | # and then patching the class | |
97 | realrevision = hgweb.filerevision |
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97 | realrevision = hgweb.filerevision | |
98 | hgweb.filerevision = filerevision_highlight |
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98 | hgweb.filerevision = filerevision_highlight | |
99 | realannotate = hgweb.fileannotate |
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99 | realannotate = hgweb.fileannotate | |
100 | hgweb.fileannotate = fileannotate_highlight |
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100 | hgweb.fileannotate = fileannotate_highlight |
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