46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
import subprocess
|
|
|
|
from django.core.management.base import BaseCommand, CommandError
|
|
from django.db import DEFAULT_DB_ALIAS, connections
|
|
|
|
|
|
class Command(BaseCommand):
|
|
help = (
|
|
"Runs the command-line client for specified database, or the "
|
|
"default database if none is provided."
|
|
)
|
|
|
|
requires_system_checks = []
|
|
|
|
def add_arguments(self, parser):
|
|
parser.add_argument(
|
|
"--database",
|
|
default=DEFAULT_DB_ALIAS,
|
|
help='Nominates a database onto which to open a shell. Defaults to the "default" database.',
|
|
)
|
|
parameters = parser.add_argument_group("parameters", prefix_chars="--")
|
|
parameters.add_argument("parameters", nargs="*")
|
|
|
|
def handle(self, **options):
|
|
connection = connections[options["database"]]
|
|
try:
|
|
connection.client.runshell(options["parameters"])
|
|
except FileNotFoundError:
|
|
# Note that we're assuming the FileNotFoundError relates to the
|
|
# command missing. It could be raised for some other reason, in
|
|
# which case this error message would be inaccurate. Still, this
|
|
# message catches the common case.
|
|
raise CommandError(
|
|
"You appear not to have the %r program installed or on your path."
|
|
% connection.client.executable_name
|
|
)
|
|
except subprocess.CalledProcessError as e:
|
|
raise CommandError(
|
|
'"%s" returned non-zero exit status %s.'
|
|
% (
|
|
" ".join(e.cmd),
|
|
e.returncode,
|
|
),
|
|
returncode=e.returncode,
|
|
)
|