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
|
# Wrapper for loading templates from "template" directories in installed app packages.
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
from django.template import TemplateDoesNotExist
import os
# At compile time, cache the directories to search.
app_template_dirs = []
for app in settings.INSTALLED_APPS:
i = app.rfind('.')
if i == -1:
m, a = app, None
else:
m, a = app[:i], app[i+1:]
try:
if a is None:
mod = __import__(m, '', '', [])
else:
mod = getattr(__import__(m, '', '', [a]), a)
except ImportError, e:
raise ImproperlyConfigured, 'ImportError %s: %s' % (app, e.args[0])
template_dir = os.path.join(os.path.dirname(mod.__file__), 'templates')
if os.path.isdir(template_dir):
app_template_dirs.append(template_dir)
# It won't change, so convert it to a tuple to save memory.
app_template_dirs = tuple(app_template_dirs)
def get_template_sources(template_name, template_dirs=None):
for template_dir in app_template_dirs:
yield os.path.join(template_dir, template_name)
def load_template_source(template_name, template_dirs=None):
for filepath in get_template_sources(template_name, template_dirs):
try:
return (open(filepath).read(), filepath)
except IOError:
pass
raise TemplateDoesNotExist, template_name
load_template_source.is_usable = True
|
