"""Return the cached instance or create new one from directory.
It is assumed self.api_json_directory is set, as a class variable.
"""Return the cached instance or create new one from directory.
It is assumed self.api_json_directory is set, as a class variable.
cls.api_json_directory = tmp_dir + "/usr/share/vpp/api"
# Perform initial checks before .api.json files are gone,
# by accessing the property (which also creates its instance).
cls.api_json_directory = tmp_dir + "/usr/share/vpp/api"
# Perform initial checks before .api.json files are gone,
# by accessing the property (which also creates its instance).
# When present locally, we finally can find the installation path.
package_path = glob.glob(tmp_dir + installed_papi_glob)[0]
# Package path has to be one level above the vpp_papi directory.
# When present locally, we finally can find the installation path.
package_path = glob.glob(tmp_dir + installed_papi_glob)[0]
# Package path has to be one level above the vpp_papi directory.