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50 lines
1.4 KiB
50 lines
1.4 KiB
4 years ago
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import json
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try:
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import mysql.connector as mysql_connector
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except ImportError:
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mysql_connector = None
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from peewee import ImproperlyConfigured
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from peewee import MySQLDatabase
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from peewee import NodeList
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from peewee import SQL
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from peewee import TextField
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from peewee import fn
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class MySQLConnectorDatabase(MySQLDatabase):
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def _connect(self):
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if mysql_connector is None:
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raise ImproperlyConfigured('MySQL connector not installed!')
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return mysql_connector.connect(db=self.database, **self.connect_params)
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def cursor(self, commit=None):
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if self.is_closed():
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if self.autoconnect:
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self.connect()
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else:
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raise InterfaceError('Error, database connection not opened.')
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return self._state.conn.cursor(buffered=True)
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class JSONField(TextField):
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field_type = 'JSON'
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def db_value(self, value):
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if value is not None:
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return json.dumps(value)
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def python_value(self, value):
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if value is not None:
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return json.loads(value)
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def Match(columns, expr, modifier=None):
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if isinstance(columns, (list, tuple)):
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match = fn.MATCH(*columns) # Tuple of one or more columns / fields.
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else:
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match = fn.MATCH(columns) # Single column / field.
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args = expr if modifier is None else NodeList((expr, SQL(modifier)))
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return NodeList((match, fn.AGAINST(args)))
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