Improve parser, style
Improve parser, style

Parser doesn't need 'p' keyword anymore.

gsathya/metrics-tasks,gsathya/metrics-tasks,sysrqb/metrics-tasks,sysrqb/metrics-tasks,gsathya/metrics-tasks,gsathya/metrics-tasks,gsathya/metrics-tasks,sysrqb/metrics-tasks,sysrqb/metrics-tasks,sysrqb/metrics-tasks,sysrqb/metrics-tasks,gsathya/metrics-tasks