create_context() can establish the connection to Vantage using the configuration file.
Example 1
Create context from config file with name 'td_properties.cfg' available under current working directory.
The content of the config file must be in the following format:
host=tdhost username=tduser password=tdpassword temp_database_name=tdtemp_database_name logmech=tdlogmech logdata=tdlogdata database=tddatabase
>>> td_context = create_context()
Example 2
Create context from config file with name 'td_config.cfg' which is saved under '/secrets/user' directory.
>>> td_context = create_context(config_file='/secrets/user/td_config.cfg')