env_var

With no args (convenience requirement of a bootstrap script), the only way to override defaults before it reaches config files is to use env vars.

They can also be configured in shebang_line.

Supported env vars

See EnvVar enum inside protoprimer.primer_kernel.

• PROTOPRIMER_STDERR_LOG_LEVEL

  It holds a str value for the constant named as defined by logging module.

  For example, value INFO refers to loggint.INFO.

• TODO: explain others

Context isolation

See context_isolation.