116 lines
3.4 KiB
Python
116 lines
3.4 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""DBAPI 2.0-compatible facade for the ADBC DuckDB driver."""
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import typing
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import adbc_driver_manager
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import adbc_driver_manager.dbapi
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import adbc_driver_duckdb
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__all__ = [
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"BINARY",
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"DATETIME",
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"NUMBER",
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"ROWID",
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"STRING",
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"Connection",
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"Cursor",
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"DataError",
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"DatabaseError",
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"Date",
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"DateFromTicks",
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"Error",
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"IntegrityError",
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"InterfaceError",
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"InternalError",
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"NotSupportedError",
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"OperationalError",
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"ProgrammingError",
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"Time",
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"TimeFromTicks",
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"Timestamp",
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"TimestampFromTicks",
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"Warning",
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"apilevel",
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"connect",
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"paramstyle",
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"threadsafety",
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]
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# ----------------------------------------------------------
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# Globals
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apilevel = adbc_driver_manager.dbapi.apilevel
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threadsafety = adbc_driver_manager.dbapi.threadsafety
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paramstyle = "qmark"
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Warning = adbc_driver_manager.dbapi.Warning
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Error = adbc_driver_manager.dbapi.Error
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InterfaceError = adbc_driver_manager.dbapi.InterfaceError
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DatabaseError = adbc_driver_manager.dbapi.DatabaseError
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DataError = adbc_driver_manager.dbapi.DataError
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OperationalError = adbc_driver_manager.dbapi.OperationalError
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IntegrityError = adbc_driver_manager.dbapi.IntegrityError
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InternalError = adbc_driver_manager.dbapi.InternalError
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ProgrammingError = adbc_driver_manager.dbapi.ProgrammingError
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NotSupportedError = adbc_driver_manager.dbapi.NotSupportedError
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# ----------------------------------------------------------
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# Types
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Date = adbc_driver_manager.dbapi.Date
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Time = adbc_driver_manager.dbapi.Time
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Timestamp = adbc_driver_manager.dbapi.Timestamp
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DateFromTicks = adbc_driver_manager.dbapi.DateFromTicks
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TimeFromTicks = adbc_driver_manager.dbapi.TimeFromTicks
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TimestampFromTicks = adbc_driver_manager.dbapi.TimestampFromTicks
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STRING = adbc_driver_manager.dbapi.STRING
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BINARY = adbc_driver_manager.dbapi.BINARY
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NUMBER = adbc_driver_manager.dbapi.NUMBER
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DATETIME = adbc_driver_manager.dbapi.DATETIME
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ROWID = adbc_driver_manager.dbapi.ROWID
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# ----------------------------------------------------------
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# Functions
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def connect(path: typing.Optional[str] = None, **kwargs) -> "Connection":
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"""Connect to DuckDB via ADBC."""
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db = None
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conn = None
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try:
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db = adbc_driver_duckdb.connect(path)
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conn = adbc_driver_manager.AdbcConnection(db)
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return adbc_driver_manager.dbapi.Connection(db, conn, **kwargs)
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except Exception:
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if conn:
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conn.close()
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if db:
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db.close()
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raise
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# ----------------------------------------------------------
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# Classes
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Connection = adbc_driver_manager.dbapi.Connection
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Cursor = adbc_driver_manager.dbapi.Cursor
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