Tool to help determine which devices need to be added to happi

[klauer]

Expected Behavior

• Give me a list of devices needed to be added to happi

Current Behavior

• Beamline configuration has many devices that aren't in happi
• Tool does not (?) exist to ease migration to happi

Possible Solution

Add tool, based on something like this:

import inspect
import ophyd

non_happi_devices = {
    alias_name: dev for alias_name, dev in globals().items()
    if isinstance(dev, ophyd.Device) and not hasattr(dev.root, 'md')
}

def info(alias, dev):
    cls = type(dev)
    print('Alias', alias)
    print('Class:', f'{cls.__module__}.{cls.__name__}')
    kwargs = {
        param_name: getattr(dev, param_name, param.default if param.default is not param.empty else 'TODO')
        for param_name, param in inspect.signature(type(dev)).parameters.items()
    }
    print('Kwargs:', kwargs)

for alias, dev in non_happi_devices.items():
    info(alias, dev)
    print()

Can show something like this (note args/kwargs erroneously not checked here):

Alias scan_pvs
Class: pcdsdaq.scan_vars.ScanVars
Kwargs: {'prefix': 'XCS:SCAN', 'name': 'scan_pvs', 'RE': 'TODO', 'i_start': 0, 'kwargs': 'TODO'}

Alias snd
Class: hxrsnd.sndsystem.SplitAndDelay
Kwargs: {'prefix': 'XCS:SND', 'name': 'snd', 'daq': <pcdsdaq.daq.Daq object at 0x7fd0d42cbda0>, 'RE': <bluesky.run_engine.RunEngine object at 0x7fd0d42d9e48>, 'args': 'TODO', 'kwargs': 'TODO'}

Alias seq
Class: pcdsdevices.sequencer.EventSequencer
Kwargs: {'prefix': 'ECS:SYS0:4', 'name': 'seq_4', 'monitor_attrs': ['current_step', 'play_count'], 'kwargs': 'TODO'}