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55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
5 years ago
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import os
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import signal
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import subprocess
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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 runshell_db(cls, conn_params):
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args = [cls.executable_name]
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host = conn_params.get('host', '')
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port = conn_params.get('port', '')
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dbname = conn_params.get('database', '')
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user = conn_params.get('user', '')
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passwd = conn_params.get('password', '')
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sslmode = conn_params.get('sslmode', '')
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sslrootcert = conn_params.get('sslrootcert', '')
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sslcert = conn_params.get('sslcert', '')
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sslkey = conn_params.get('sslkey', '')
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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 += [dbname]
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sigint_handler = signal.getsignal(signal.SIGINT)
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subprocess_env = os.environ.copy()
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if passwd:
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subprocess_env['PGPASSWORD'] = str(passwd)
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if sslmode:
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subprocess_env['PGSSLMODE'] = str(sslmode)
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if sslrootcert:
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subprocess_env['PGSSLROOTCERT'] = str(sslrootcert)
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if sslcert:
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subprocess_env['PGSSLCERT'] = str(sslcert)
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if sslkey:
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subprocess_env['PGSSLKEY'] = str(sslkey)
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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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subprocess.run(args, check=True, env=subprocess_env)
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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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def runshell(self):
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DatabaseClient.runshell_db(self.connection.get_connection_params())
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