frappy/frappy_psi/ccracks.py

140 lines
6.5 KiB
Python

import os
from glob import glob
from pathlib import Path
from configparser import ConfigParser
from frappy.errors import ConfigError
class Rack:
configbase = Path('/home/l_samenv/.config/frappy_instruments')
def __init__(self, modfactory, **kwds):
self.modfactory = modfactory
instpath = self.configbase / os.environ['Instrument']
sections = {}
self.config = {}
files = glob(str(instpath / '*.ini'))
for filename in files:
parser = ConfigParser()
parser.optionxform = str
parser.read([filename])
for section in parser.sections():
prev = sections.get(section)
if prev:
raise ConfigError(f'duplicate {section} section in {filename} and {prev}')
sections[section] = filename
self.config.update(parser.items(section))
if 'rack' not in sections:
raise ConfigError(f'no rack found in {instpath}')
self.props = {} # dict (<property>, <method>) of value
self.mods = {} # dict (<property>, <method>) of list of <cfg>
def set_props(self, mod, **kwds):
for prop, method in kwds.items():
value = self.props.get((prop, method))
if value is None:
# add mod to the list of cfgs to be fixed
self.mods.setdefault((prop, method), []).append(mod)
else:
# set prop in current module
if not mod.get(prop): # do not override given and not empty property
mod[prop] = value
def fix_props(self, method, **kwds):
for prop, value in kwds.items():
if (prop, method) in self.props:
raise ConfigError(f'duplicate call to {method}()')
self.props[prop, method] = value
# set property in modules to be fixed
for mod in self.mods.get((prop, method), ()):
mod[prop] = value
def lakeshore(self, ls_uri=None, io='ls_io', dev='ls', model='336', **kwds):
Mod = self.modfactory
self.fix_props('lakeshore', io=io, device=dev)
self.ls_model = model
self.ls_dev = dev
ls_uri = ls_uri or self.config.get('ls_uri')
Mod(io, cls=f'frappy_psi.lakeshore.IO{self.ls_model}',
description='comm. to lakeshore in cc rack', uri=ls_uri)
self.dev = Mod(dev, cls=f'frappy_psi.lakeshore.Device{self.ls_model}',
description='lakeshore in cc rack', io=io, curve_handling=True)
def sensor(self, name, channel, calcurve, **kwds):
Mod = self.modfactory
kwds.setdefault('cls', f'frappy_psi.lakeshore.Sensor{self.ls_model}')
kwds.setdefault('description', f'T sensor {name}')
mod = Mod(name, channel=channel, calcurve=calcurve,
device=self.ls_dev, **kwds)
self.set_props(mod, io='lakeshore', dev='lakeshore')
def loop(self, name, channel, calcurve, output_module, **kwds):
Mod = self.modfactory
kwds.setdefault('cls', f'frappy_psi.lakeshore.Loop{self.ls_model}')
kwds.setdefault('description', f'T loop {name}')
Mod(name, channel=channel, calcurve=calcurve, output_module=output_module,
device=self.ls_dev, **kwds)
self.fix_props(f'heater({output_module})', description=f'heater for {name}')
def heater(self, name, output_no, max_heater, resistance, **kwds):
Mod = self.modfactory
if output_no == 1:
kwds.setdefault('cls', f'frappy_psi.lakeshore.MainOutput{self.ls_model}')
elif output_no == 2:
kwds.setdefault('cls', f'frappy_psi.lakeshore.SecondaryOutput{self.ls_model}')
else:
return
kwds.setdefault('description', '')
mod = Mod(name, max_heater=max_heater, resistance=resistance, **kwds)
self.set_props(mod, io='lakeshore', device='lakeshore', description=f'heater({name})')
def ccu(self, ccu_uri=None, ccu_io='ccu_io', he=None, n2=None, **kwds):
Mod = self.modfactory
self.ccu_io = ccu_io
ccu_uri = ccu_uri or self.config.get('ccu_uri')
# self.devname = ccu_devname
Mod(ccu_io, 'frappy_psi.ccu4.IO',
'comm. to CCU4', uri=ccu_uri)
if he:
if not isinstance(he, str): # e.g. True
he = 'He_lev'
Mod(he, cls='frappy_psi.ccu4.HeLevel',
description='the He Level', io=self.ccu_io)
if n2:
if isinstance(n2, str):
n2 = n2.split(',')
else: # e.g. True
n2 = []
n2, valve, upper, lower = n2 + ['N2_lev', 'N2_valve', 'N2_upper', 'N2_lower'][len(n2):]
print(n2, valve, upper, lower)
Mod(n2, cls='frappy_psi.ccu4.N2Level',
description='the N2 Level', io=ccu_io,
valve=valve, upper=upper, lower=lower)
Mod(valve, cls='frappy_psi.ccu4.N2FillValve',
description='LN2 fill valve', io=ccu_io)
Mod(upper, cls='frappy_psi.ccu4.N2TempSensor',
description='upper LN2 sensor')
Mod(lower, cls='frappy_psi.ccu4.N2TempSensor',
description='lower LN2 sensor')
def hepump(self, hepump_uri=None, hepump_type=None, hepump_io='hepump_io',
hepump='hepump', hepump_mot='hepump_mot', hepump_valve='hepump_valve',
flow_sensor='flow_sensor', pump_pressure='pump_pressure', nv='nv',
ccu_io='ccu_io', **kwds):
Mod = self.modfactory
hepump_type = hepump_type or self.config.get('hepump_type', 'no')
Mod(nv, 'frappy_psi.ccu4.NeedleValveFlow', 'flow from flow sensor or pump pressure',
flow_sensor=flow_sensor, pressure=pump_pressure, io=ccu_io)
Mod(pump_pressure, 'frappy_psi.ccu4.Pressure', 'He pump pressure', io=ccu_io)
if hepump_type == 'no':
print('no pump, no flow meter - using flow from pressure alone')
return
hepump_uri = hepump_uri or self.config['hepump_uri']
Mod(hepump_io, 'frappy.io.BytesIO', 'He pump connection', uri=hepump_uri)
Mod(hepump, 'frappy_psi.hepump.HePump', 'He pump', pump_type=hepump_type,
valvemotor=hepump_mot, valve=hepump_valve, flow=nv)
Mod(hepump_mot, 'frappy_psi.hepump.Motor', 'He pump valve motor', io=hepump_io, maxcurrent=2.8)
Mod(hepump_valve, 'frappy_psi.butterflyvalve.Valve', 'He pump valve', motor=hepump_mot)
Mod(flow_sensor, 'frappy_psi.sensirion.FlowSensor', 'Flow Sensor', io=hepump_io, nsamples=160)