64 lines
2.5 KiB
Python
64 lines
2.5 KiB
Python
#------------------------------------------------------------------------------
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# Copyright (c) 2016, 2022, Oracle and/or its affiliates.
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#
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# Portions Copyright 2007-2015, Anthony Tuininga. All rights reserved.
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#
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# Portions Copyright 2001-2007, Computronix (Canada) Ltd., Edmonton, Alberta,
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# Canada. All rights reserved.
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#
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# This software is dual-licensed to you under the Universal Permissive License
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# (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
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# 2.0 as shown at http://www.apache.org/licenses/LICENSE-2.0. You may choose
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# either license.
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#
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# If you elect to accept the software under the Apache License, Version 2.0,
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# the following applies:
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://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, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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# app_context.py
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#
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# Demonstrates the use of application context. Application context is available
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# within logon triggers and can be retrieved by using the function
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# sys_context().
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#------------------------------------------------------------------------------
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import oracledb
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import sample_env
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# this script is currently only supported in python-oracledb thick mode
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oracledb.init_oracle_client(lib_dir=sample_env.get_oracle_client())
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# client context attributes to be set
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APP_CTX_NAMESPACE = "CLIENTCONTEXT"
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APP_CTX_ENTRIES = [
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( APP_CTX_NAMESPACE, "ATTR1", "VALUE1" ),
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( APP_CTX_NAMESPACE, "ATTR2", "VALUE2" ),
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( APP_CTX_NAMESPACE, "ATTR3", "VALUE3" )
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]
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connection = oracledb.connect(user=sample_env.get_main_user(),
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password=sample_env.get_main_password(),
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dsn=sample_env.get_connect_string(),
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appcontext=APP_CTX_ENTRIES)
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with connection.cursor() as cursor:
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for namespace, name, value in APP_CTX_ENTRIES:
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cursor.execute("select sys_context(:1, :2) from dual",
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(namespace, name))
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value, = cursor.fetchone()
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print("Value of context key", name, "is", value)
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