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
69
70
|
from django.core.management.base import NoArgsCommand, CommandError
from django.core.management.color import no_style
from optparse import make_option
class Command(NoArgsCommand):
option_list = NoArgsCommand.option_list + (
make_option('--verbosity', action='store', dest='verbosity', default='1',
type='choice', choices=['0', '1', '2'],
help='Verbosity level; 0=minimal output, 1=normal output, 2=all output'),
make_option('--noinput', action='store_false', dest='interactive', default=True,
help='Tells Django to NOT prompt the user for input of any kind.'),
)
help = "Executes ``sqlflush`` on the current database."
def handle_noargs(self, **options):
from django.conf import settings
from django.db import connection, transaction, models
from django.core.management.sql import sql_flush, emit_post_sync_signal
verbosity = int(options.get('verbosity', 1))
interactive = options.get('interactive')
self.style = no_style()
# Import the 'management' module within each installed app, to register
# dispatcher events.
for app_name in settings.INSTALLED_APPS:
try:
__import__(app_name + '.management', {}, {}, [''])
except ImportError:
pass
sql_list = sql_flush(self.style, only_django=True)
if interactive:
confirm = raw_input("""You have requested a flush of the database.
This will IRREVERSIBLY DESTROY all data currently in the %r database,
and return each table to the state it was in after syncdb.
Are you sure you want to do this?
Type 'yes' to continue, or 'no' to cancel: """ % settings.DATABASE_NAME)
else:
confirm = 'yes'
if confirm == 'yes':
try:
cursor = connection.cursor()
for sql in sql_list:
cursor.execute(sql)
except Exception, e:
transaction.rollback_unless_managed()
raise CommandError("""Database %s couldn't be flushed. Possible reasons:
* The database isn't running or isn't configured correctly.
* At least one of the expected database tables doesn't exist.
* The SQL was invalid.
Hint: Look at the output of 'django-admin.py sqlflush'. That's the SQL this command wasn't able to run.
The full error: %s""" % (settings.DATABASE_NAME, e))
transaction.commit_unless_managed()
# Emit the post sync signal. This allows individual
# applications to respond as if the database had been
# sync'd from scratch.
emit_post_sync_signal(models.get_models(), verbosity, interactive)
# Reinstall the initial_data fixture.
from django.core.management import call_command
call_command('loaddata', 'initial_data', **options)
else:
print "Flush cancelled."
|
