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
|
# gLifestream Copyright (C) 2009, 2010, 2013 Wojciech Polak
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
import os
import hashlib
from django.conf import settings
from django import template
from django.template import Library
register = Library()
class MediaUrl (template.Node):
def render(self, ctx):
url = settings.MEDIA_URL
if 'is_secure' in ctx and ctx['is_secure']:
url = url.replace('http://', 'https://')
return url
@register.tag
def static(parser, token):
"""Return the string contained in the setting MEDIA_URL."""
return MediaUrl()
class MediaUrlHash (template.Node):
def __init__(self, path):
self.path = path
self.hash = None
try:
f = open(os.path.join(settings.MEDIA_ROOT, path))
self.hash = hashlib.md5(f.read()).hexdigest()[:5]
f.close()
except:
pass
def render(self, ctx):
url = settings.MEDIA_URL
if 'is_secure' in ctx and ctx['is_secure']:
url = url.replace('http://', 'https://')
url += self.path
if self.hash:
url += '?v=' + self.hash
return url
@register.tag
def static_hash(parser, token):
"""Return a static URL for the given relative static file path."""
try:
tag_name, path = token.split_contents()
except ValueError:
raise template.TemplateSyntaxError, \
"%r tag requires a single argument" % token.contents.split()[0]
return MediaUrlHash(path)
|
