oslo.policy/doc/source/usage.rst

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Usage

To use oslo.policy in a project, import the relevant module. For example:

from oslo_policy import policy

Migrating to oslo.policy

Applications using the incubated version of the policy code from Oslo aside from changing the way the library is imported, may need to make some extra changes.

Changes to Enforcer Initialization

The oslo.policy library no longer assumes a global configuration object is available. Instead the :pyoslo_policy.policy.Enforcer class has been changed to expect the consuming application to pass in an oslo.config configuration object.

When using policy from oslo-incubator

enforcer = policy.Enforcer(policy_file=_POLICY_PATH)

When using oslo.policy

from keystone import config
CONF = config.CONF
enforcer = policy.Enforcer(CONF, policy_file=_POLICY_PATH)