65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
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import signal
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from django.db.backends.base.client import BaseDatabaseClient
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class DatabaseClient(BaseDatabaseClient):
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executable_name = "psql"
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@classmethod
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def settings_to_cmd_args_env(cls, settings_dict, parameters):
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args = [cls.executable_name]
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options = settings_dict.get("OPTIONS", {})
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host = settings_dict.get("HOST")
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port = settings_dict.get("PORT")
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dbname = settings_dict.get("NAME")
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user = settings_dict.get("USER")
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passwd = settings_dict.get("PASSWORD")
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passfile = options.get("passfile")
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service = options.get("service")
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sslmode = options.get("sslmode")
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sslrootcert = options.get("sslrootcert")
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sslcert = options.get("sslcert")
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sslkey = options.get("sslkey")
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if not dbname and not service:
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# Connect to the default 'postgres' db.
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dbname = "postgres"
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if user:
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args += ["-U", user]
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if host:
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args += ["-h", host]
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if port:
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args += ["-p", str(port)]
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args.extend(parameters)
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if dbname:
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args += [dbname]
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env = {}
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if passwd:
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env["PGPASSWORD"] = str(passwd)
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if service:
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env["PGSERVICE"] = str(service)
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if sslmode:
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env["PGSSLMODE"] = str(sslmode)
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if sslrootcert:
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env["PGSSLROOTCERT"] = str(sslrootcert)
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if sslcert:
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env["PGSSLCERT"] = str(sslcert)
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if sslkey:
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env["PGSSLKEY"] = str(sslkey)
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if passfile:
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env["PGPASSFILE"] = str(passfile)
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return args, (env or None)
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def runshell(self, parameters):
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sigint_handler = signal.getsignal(signal.SIGINT)
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try:
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# Allow SIGINT to pass to psql to abort queries.
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signal.signal(signal.SIGINT, signal.SIG_IGN)
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super().runshell(parameters)
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finally:
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# Restore the original SIGINT handler.
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signal.signal(signal.SIGINT, sigint_handler)
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