/
handlers.py
55 lines (49 loc) · 1.66 KB
/
handlers.py
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
#Canto - ncurses RSS reader
# Copyright (C) 2008 Jack Miller <jack@codezen.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
class Handler():
def __init__(self):
self.reset()
def get_attr(self, attrs, attr):
l = [v for k,v in attrs if k == attr]
if l :
return l[0]
class LinkHandler(Handler):
def reset(self):
self.active = 0
self.link = ""
self.content = ""
self.handler = "link"
def match(self, tag, attrs, open, ll):
if tag == "a":
if open:
href = self.get_attr(attrs, "href")
if href:
self.link = href
self.active = 1
return "%4"
else:
self.reset()
else:
ll.append((self.content, self.link, self.handler))
self.reset()
return u"[" + unicode(len(ll)) + u"]%0"
class ImageHandler(Handler):
def reset(self):
self.active = 0
self.handler = "image"
def match(self, tag, attrs, open, ll):
if tag == "img":
if open:
src = self.get_attr(attrs, "src")
alt = self.get_attr(attrs, "alt")
if not alt:
alt = "image"
if src:
extension = src.rsplit('.',1)[-1]
ll.append((alt, src, self.handler))
self.reset()
return u"%7["+ alt + u"][" + unicode(len(ll)) + u"]%0"