← Back to branch summary

~ubuntu-branches/ubuntu/saucy/python-django/saucy-updates

« back to all changes in this revision

Viewing changes to django/test/signals.py

  • Committer: Package Import Robot
  • Author(s): Luke Faraone, Jakub Wilk, Luke Faraone
  • Date: 2013-05-09 15:10:47 UTC
  • mfrom: (1.1.21) (4.4.27 sid)
  • Revision ID: package-import@ubuntu.com-20130509151047-aqv8d71oj9wvcv8c
Tags: 1.5.1-2
[ Jakub Wilk ]
* Use canonical URIs for Vcs-* fields.

[ Luke Faraone ]
* Upload to unstable.

Show diffs side-by-side

added added

removed removed

Lines of Context:
django/test/signals.py
 
1
import os
 
2
import time
 
3
 
1
4
from django.conf import settings
2
5
from django.db import connections
3
 
from django.dispatch import Signal
 
6
from django.dispatch import receiver, Signal
 
7
from django.utils import timezone
 
8
from django.utils.functional import empty
4
9
 
5
10
template_rendered = Signal(providing_args=["template", "context"])
6
11
 
7
12
setting_changed = Signal(providing_args=["setting", "value"])
8
13
 
 
14
# Most setting_changed receivers are supposed to be added below,
 
15
# except for cases where the receiver is related to a contrib app.
 
16
 
 
17
 
 
18
@receiver(setting_changed)
9
19
def update_connections_time_zone(**kwargs):
 
20
    if kwargs['setting'] == 'TIME_ZONE':
 
21
        # Reset process time zone
 
22
        if hasattr(time, 'tzset'):
 
23
            if kwargs['value']:
 
24
                os.environ['TZ'] = kwargs['value']
 
25
            else:
 
26
                os.environ.pop('TZ', None)
 
27
            time.tzset()
 
28
 
 
29
        # Reset local time zone cache
 
30
        timezone._localtime = None
 
31
 
 
32
    # Reset the database connections' time zone
10
33
    if kwargs['setting'] == 'USE_TZ' and settings.TIME_ZONE != 'UTC':
11
34
        USE_TZ, TIME_ZONE = kwargs['value'], settings.TIME_ZONE
12
35
    elif kwargs['setting'] == 'TIME_ZONE' and not settings.USE_TZ:
13
36
        USE_TZ, TIME_ZONE = settings.USE_TZ, kwargs['value']
14
 
    else:   # no need to change the database connnections' time zones
 
37
    else:
 
38
        # no need to change the database connnections' time zones
15
39
        return
16
 
 
17
40
    tz = 'UTC' if USE_TZ else TIME_ZONE
18
41
    for conn in connections.all():
 
42
        conn.settings_dict['TIME_ZONE'] = tz
19
43
        tz_sql = conn.ops.set_time_zone_sql()
20
44
        if tz_sql:
21
45
            conn.cursor().execute(tz_sql, [tz])
22
46
 
23
 
setting_changed.connect(update_connections_time_zone)
 
47
 
 
48
@receiver(setting_changed)
 
49
def clear_context_processors_cache(**kwargs):
 
50
    if kwargs['setting'] == 'TEMPLATE_CONTEXT_PROCESSORS':
 
51
        from django.template import context
 
52
        context._standard_context_processors = None
 
53
 
 
54
 
 
55
@receiver(setting_changed)
 
56
def clear_template_loaders_cache(**kwargs):
 
57
    if kwargs['setting'] == 'TEMPLATE_LOADERS':
 
58
        from django.template import loader
 
59
        loader.template_source_loaders = None
 
60
 
 
61
 
 
62
@receiver(setting_changed)
 
63
def clear_serializers_cache(**kwargs):
 
64
    if kwargs['setting'] == 'SERIALIZATION_MODULES':
 
65
        from django.core import serializers
 
66
        serializers._serializers = {}
 
67
 
 
68
 
 
69
@receiver(setting_changed)
 
70
def language_changed(**kwargs):
 
71
    if kwargs['setting'] in ('LOCALE_PATHS', 'LANGUAGE_CODE'):
 
72
        from django.utils.translation import trans_real
 
73
        trans_real._default = None
 
74
        if kwargs['setting'] == 'LOCALE_PATHS':
 
75
            trans_real._translations = {}
 
76
 
 
77
@receiver(setting_changed)
 
78
def file_storage_changed(**kwargs):
 
79
    if kwargs['setting'] in ('MEDIA_ROOT', 'DEFAULT_FILE_STORAGE'):
 
80
        from django.core.files.storage import default_storage
 
81
        default_storage._wrapped = empty