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#!/usr/bin/env python
from django.core import management
from optparse import OptionParser
import os, sys
# switch to english, because django-admin creates database content
# like permissions, and those shouldn't contain any translations
try:
from django.utils import translation
translation.activate('en-us')
except:
pass
ACTION_MAPPING = {
'adminindex': management.get_admin_index,
'createsuperuser': management.createsuperuser,
'createcachetable' : management.createcachetable,
# 'dbcheck': management.database_check,
'init': management.init,
'inspectdb': management.inspectdb,
'install': management.install,
'installperms': management.installperms,
'runserver': management.runserver,
'sql': management.get_sql_create,
'sqlall': management.get_sql_all,
'sqlclear': management.get_sql_delete,
'sqlindexes': management.get_sql_indexes,
'sqlinitialdata': management.get_sql_initial_data,
'sqlreset': management.get_sql_reset,
'sqlsequencereset': management.get_sql_sequence_reset,
'startapp': management.startapp,
'startproject': management.startproject,
'validate': management.validate,
}
NO_SQL_TRANSACTION = ('adminindex', 'createcachetable', 'dbcheck', 'install', 'installperms', 'sqlindexes')
def get_usage():
"""
Returns a usage string. Doesn't do the options stuff, because optparse
takes care of that.
"""
usage = ["usage: %prog action [options]\nactions:"]
available_actions = ACTION_MAPPING.keys()
available_actions.sort()
for a in available_actions:
func = ACTION_MAPPING[a]
usage.append(" %s %s -- %s" % (a, func.args, getattr(func, 'help_doc', func.__doc__)))
return '\n'.join(usage)
class DjangoOptionParser(OptionParser):
def print_usage_and_exit(self):
self.print_help(sys.stderr)
sys.exit(1)
def print_error(msg, cmd):
sys.stderr.write('Error: %s\nRun "%s --help" for help.\n' % (msg, cmd))
sys.exit(1)
def main():
# Parse the command-line arguments. optparse handles the dirty work.
parser = DjangoOptionParser(get_usage())
parser.add_option('--settings',
help='Python path to settings module, e.g. "myproject.settings.main". If this isn\'t provided, the DJANGO_SETTINGS_MODULE environment variable will be used.')
parser.add_option('--pythonpath',
help='Lets you manually add a directory the Python path, e.g. "/home/djangoprojects/myproject".')
options, args = parser.parse_args()
# Take care of options.
if options.settings:
os.environ['DJANGO_SETTINGS_MODULE'] = options.settings
if options.pythonpath:
sys.path.insert(0, options.pythonpath)
# Run the appropriate action. Unfortunately, optparse can't handle
# positional arguments, so this has to parse/validate them.
try:
action = args[0]
except IndexError:
print_error("An action is required.", sys.argv[0])
if not ACTION_MAPPING.has_key(action):
print_error("Your action, %r, was invalid." % action, sys.argv[0])
if action in ('createsuperuser', 'init', 'validate'):
ACTION_MAPPING[action]()
elif action == 'inspectdb':
try:
param = args[1]
except IndexError:
parser.print_usage_and_exit()
try:
for line in ACTION_MAPPING[action](param):
print line
except NotImplementedError:
sys.stderr.write("Error: %r isn't supported for the currently selected database backend.\n" % action)
sys.exit(1)
elif action == 'createcachetable':
try:
ACTION_MAPPING[action](args[1])
except IndexError:
parser.print_usage_and_exit()
elif action in ('startapp', 'startproject'):
try:
name = args[1]
except IndexError:
parser.print_usage_and_exit()
ACTION_MAPPING[action](name, os.getcwd())
elif action == 'runserver':
if len(args) < 2:
addr = ''
port = '8000'
else:
try:
addr, port = args[1].split(':')
except ValueError:
addr, port = '', args[1]
ACTION_MAPPING[action](addr, port)
else:
from django.core import meta
if action == 'dbcheck':
mod_list = meta.get_all_installed_modules()
else:
try:
mod_list = [meta.get_app(app_label) for app_label in args[1:]]
except ImportError, e:
sys.stderr.write("Error: %s. Are you sure your INSTALLED_APPS setting is correct?\n" % e)
sys.exit(1)
if not mod_list:
parser.print_usage_and_exit()
if action not in NO_SQL_TRANSACTION:
print "BEGIN;"
for mod in mod_list:
output = ACTION_MAPPING[action](mod)
if output:
print '\n'.join(output)
if action not in NO_SQL_TRANSACTION:
print "COMMIT;"
if __name__ == "__main__":
main()
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