|
1
|
|
|
''' |
|
2
|
|
|
WikiLinks Extension for Python-Markdown |
|
3
|
|
|
====================================== |
|
4
|
|
|
|
|
5
|
|
|
Converts [[WikiLinks]] to relative links. |
|
6
|
|
|
|
|
7
|
|
|
See <https://pythonhosted.org/Markdown/extensions/wikilinks.html> |
|
8
|
|
|
for documentation. |
|
9
|
|
|
|
|
10
|
|
|
Original code Copyright [Waylan Limberg](http://achinghead.com/). |
|
11
|
|
|
|
|
12
|
|
|
All changes Copyright The Python Markdown Project |
|
13
|
|
|
|
|
14
|
|
|
License: [BSD](http://www.opensource.org/licenses/bsd-license.php) |
|
15
|
|
|
|
|
16
|
|
|
''' |
|
17
|
|
|
|
|
18
|
|
|
from __future__ import absolute_import |
|
19
|
|
|
from __future__ import unicode_literals |
|
20
|
|
|
from . import Extension |
|
21
|
|
|
from ..inlinepatterns import Pattern |
|
22
|
|
|
from ..util import etree |
|
23
|
|
|
import re |
|
24
|
|
|
|
|
25
|
|
|
|
|
26
|
|
|
def build_url(label, base, end): |
|
27
|
|
|
""" Build a url from the label, a base, and an end. """ |
|
28
|
|
|
clean_label = re.sub(r'([ ]+_)|(_[ ]+)|([ ]+)', '_', label) |
|
29
|
|
|
return '%s%s%s' % (base, clean_label, end) |
|
30
|
|
|
|
|
31
|
|
|
|
|
32
|
|
|
class WikiLinkExtension(Extension): |
|
33
|
|
|
|
|
34
|
|
|
def __init__(self, *args, **kwargs): |
|
35
|
|
|
self.config = { |
|
36
|
|
|
'base_url': ['/', 'String to append to beginning or URL.'], |
|
37
|
|
|
'end_url': ['/', 'String to append to end of URL.'], |
|
38
|
|
|
'html_class': ['wikilink', 'CSS hook. Leave blank for none.'], |
|
39
|
|
|
'build_url': [build_url, 'Callable formats URL from label.'], |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
super(WikiLinkExtension, self).__init__(*args, **kwargs) |
|
43
|
|
|
|
|
44
|
|
|
def extendMarkdown(self, md, md_globals): |
|
45
|
|
|
self.md = md |
|
46
|
|
|
|
|
47
|
|
|
# append to end of inline patterns |
|
48
|
|
|
WIKILINK_RE = r'\[\[([\w0-9_ -]+)\]\]' |
|
49
|
|
|
wikilinkPattern = WikiLinks(WIKILINK_RE, self.getConfigs()) |
|
50
|
|
|
wikilinkPattern.md = md |
|
51
|
|
|
md.inlinePatterns.add('wikilink', wikilinkPattern, "<not_strong") |
|
52
|
|
|
|
|
53
|
|
|
|
|
54
|
|
|
class WikiLinks(Pattern): |
|
55
|
|
|
def __init__(self, pattern, config): |
|
56
|
|
|
super(WikiLinks, self).__init__(pattern) |
|
57
|
|
|
self.config = config |
|
58
|
|
|
|
|
59
|
|
|
def handleMatch(self, m): |
|
60
|
|
|
if m.group(2).strip(): |
|
61
|
|
|
base_url, end_url, html_class = self._getMeta() |
|
62
|
|
|
label = m.group(2).strip() |
|
63
|
|
|
url = self.config['build_url'](label, base_url, end_url) |
|
64
|
|
|
a = etree.Element('a') |
|
65
|
|
|
a.text = label |
|
66
|
|
|
a.set('href', url) |
|
67
|
|
|
if html_class: |
|
68
|
|
|
a.set('class', html_class) |
|
69
|
|
|
else: |
|
70
|
|
|
a = '' |
|
71
|
|
|
return a |
|
72
|
|
|
|
|
73
|
|
|
def _getMeta(self): |
|
74
|
|
|
""" Return meta data or config data. """ |
|
75
|
|
|
base_url = self.config['base_url'] |
|
76
|
|
|
end_url = self.config['end_url'] |
|
77
|
|
|
html_class = self.config['html_class'] |
|
78
|
|
|
if hasattr(self.md, 'Meta'): |
|
79
|
|
|
if 'wiki_base_url' in self.md.Meta: |
|
80
|
|
|
base_url = self.md.Meta['wiki_base_url'][0] |
|
81
|
|
|
if 'wiki_end_url' in self.md.Meta: |
|
82
|
|
|
end_url = self.md.Meta['wiki_end_url'][0] |
|
83
|
|
|
if 'wiki_html_class' in self.md.Meta: |
|
84
|
|
|
html_class = self.md.Meta['wiki_html_class'][0] |
|
85
|
|
|
return base_url, end_url, html_class |
|
86
|
|
|
|
|
87
|
|
|
|
|
88
|
|
|
def makeExtension(*args, **kwargs): |
|
89
|
|
|
return WikiLinkExtension(*args, **kwargs) |
|
90
|
|
|
|
MikeCoder /
markdown-preview.vim
