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https://github.com/mariadb-corporation/mariadb-connector-python.git
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95 lines
2.8 KiB
Python
95 lines
2.8 KiB
Python
#
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# Copyright (C) 2020-2021 Georg Richter and MariaDB Corporation AB
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with this library; if not see <http://www.gnu.org/licenses>
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# or write to the Free Software Foundation, Inc.,
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# 51 Franklin St., Fifth Floor, Boston, MA 02110, USA
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#
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import mariadb
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import socket
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import time
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from mariadb.constants import STATUS
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_DEFAULT_CHARSET = "utf8mb4"
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_DEFAULT_COLLATION = "utf8mb4_general_ci"
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class Connection(mariadb._mariadb.connection):
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"""MariaDB connection class"""
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def __init__(self, *args, **kwargs):
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self._socket= None
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self.__in_use= 0
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self.__pool = None
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self.__last_used = 0
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# self._autocommit= kwargs.pop("autocommit", True)
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self._converter= kwargs.pop("converter", None)
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super().__init__(*args, **kwargs)
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def cursor(self, **kwargs):
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cursor= mariadb.Cursor(self, **kwargs)
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return cursor
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def close(self):
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if self._Connection__pool:
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self._Connection__pool._close_connection(self)
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else:
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super().close()
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def __enter__(self):
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"Returns a copy of the connection."
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return self
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def __exit__(self, exc_type, exc_val, exc_tb):
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"Closes connection."
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self.close()
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def get_server_version(self):
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return self.server_version_info
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@property
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def character_set(self):
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"""Client character set."""
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return _DEFAULT_CHARSET
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@property
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def collation(self):
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"""Client character set collation"""
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return _DEFAULT_COLLATION
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@property
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def server_status(self):
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"""Returns server status flags."""
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return super()._server_status
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@property
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def server_version_info(self):
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version= self.server_version
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return (int(version / 10000), int((version % 10000) / 100), version % 100)
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@property
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def socket(self):
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"""Returns the socket used for database connection"""
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fno= self.get_socket()
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if not self._socket:
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self._socket= socket.socket(fileno=fno)
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# in case of a possible reconnect, file descriptor has changed
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elif fno != self._socket.fileno():
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self._socket= socket.socket(fileno=fno)
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return self._socket
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