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
|
#!/usr/bin/perl
# Very simple reStructuredText processor.
#
# This plugin calls python and requires python-docutils to transform the text
# into html.
#
# Its main problem is that it does not support ikiwiki's WikiLinks nor
# Preprocessor Directives.
#
# Probably Wikilinks and Preprocessor Directives should support a list of
# extensions to process (i.e. the linkify function could be transformed into
# reStructuredText instead of HTML using a hook on rst.py instead of the
# current linkify function)
#
# by Sergio Talens-Oliag <sto@debian.org>
package IkiWiki::Plugin::rst;
use warnings;
use strict;
use IkiWiki;
use IPC::Open2;
# Simple python script, maybe it should be implemented using an external script.
# The settings_overrides are given to avoid potential security risks when
# reading external files or if raw html is included on rst pages.
my $pyCmnd = "
from docutils.core import publish_string;
from sys import stdin;
html = publish_string(stdin.read(), writer_name='html',
settings_overrides = { 'halt_level': 6,
'file_insertion_enabled': 0,
'raw_enabled': 0 }
);
print html[html.find('<body>')+6:html.find('</body>')].strip();
";
sub import { #{{{
IkiWiki::hook(type => "htmlize", id => "rst", call => \&htmlize);
} # }}}
sub htmlize (@) { #{{{
my %params=@_;
my $content=$params{content};
my $tries=10;
my $pid;
while (1) {
eval {
# Try to call python and run our command
$pid=open2(*IN, *OUT, "python", "-c", $pyCmnd)
or return $content;
};
last unless $@;
$tries--;
if ($tries < 1) {
IkiWiki::debug("failed to run python to convert rst: $@");
return $content;
}
}
# open2 doesn't respect "use open ':utf8'"
binmode (IN, ':utf8');
binmode (OUT, ':utf8');
print OUT $content;
close OUT;
local $/ = undef;
my $ret=<IN>;
close IN;
waitpid $pid, 0;
return $ret;
} # }}}
1
|