fix: adjustments for new bec_lib

This commit is contained in:
wakonig_k 2023-06-28 11:11:43 +02:00
parent 422f963b4c
commit eee8856565
8 changed files with 130 additions and 10 deletions

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@ -20,5 +20,5 @@ pytest:
stage: Test
script:
- git clone https://oauth2:$CI_BEC_KEY@gitlab.psi.ch/bec/bec.git
- pip install -e ./bec/bec_client_lib
- pip install -e ./bec/bec_lib
- pytest -v ./tests

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@ -2,7 +2,7 @@ import os
import time
from typing import List
from bec_client_lib.core import BECMessage, MessageEndpoints, bec_logger
from bec_lib.core import BECMessage, MessageEndpoints, bec_logger
from ophyd import Component as Cpt
from ophyd import Device, DeviceStatus, EpicsSignal, EpicsSignalRO, Signal

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@ -6,7 +6,7 @@ import traceback
from collections import OrderedDict
from typing import Any
from bec_client_lib.core import bec_logger
from bec_lib.core import bec_logger
from ophyd import Component as Cpt
from ophyd import Device, EpicsMotor, EpicsSignal, EpicsSignalRO
from ophyd import FormattedComponent as FCpt

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@ -4,14 +4,15 @@ import time
from typing import List
import numpy as np
from bec_client_lib.core import bec_logger
from bec_lib.core import bec_logger
from ophyd import Component as Cpt
from ophyd import Device, PositionerBase, Signal
from ophyd.status import wait as status_wait
from ophyd.utils import LimitError, ReadOnlyError
from prettytable import PrettyTable
from ophyd_devices.utils.controller import Controller, threadlocked
from ophyd_devices.utils.socket import SocketIO, SocketSignal, raise_if_disconnected
from prettytable import PrettyTable
logger = bec_logger.logger

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@ -4,11 +4,12 @@ import time
from typing import List
import numpy as np
from bec_client_lib.core import BECMessage, MessageEndpoints, bec_logger
from bec_lib.core import BECMessage, MessageEndpoints, bec_logger
from ophyd import Component as Cpt
from ophyd import Device, PositionerBase, Signal
from ophyd.status import wait as status_wait
from ophyd.utils import LimitError, ReadOnlyError
from ophyd_devices.utils.controller import Controller, threadlocked
from ophyd_devices.utils.socket import SocketIO, SocketSignal, raise_if_disconnected

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@ -5,10 +5,10 @@ import warnings
from typing import List
import numpy as np
from bec_client_lib.core import BECMessage, MessageEndpoints, bec_logger
from bec_lib.core import BECMessage, MessageEndpoints, bec_logger
from ophyd import Component as Cpt
from ophyd import Device, DeviceStatus, OphydObject, PositionerBase, Signal
from ophyd.sim import _ReadbackSignal, _SetpointSignal
from ophyd.sim import EnumSignal, SynSignal, _ReadbackSignal, _SetpointSignal
from ophyd.utils import LimitError, ReadOnlyError
logger = bec_logger.logger
@ -66,6 +66,39 @@ class _ReadbackSignal(Signal):
raise ReadOnlyError("The signal {} is readonly.".format(self.name))
class _ReadbackSignalCompute(Signal):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._metadata.update(
connected=True,
write_access=False,
)
def get(self):
readback = self.parent._compute()
self._readback = self.parent.sim_state["readback"] = readback
return readback
def describe(self):
res = super().describe()
# There should be only one key here, but for the sake of
# generality....
for k in res:
res[k]["precision"] = self.parent.precision
return res
@property
def timestamp(self):
"""Timestamp of the readback value"""
return self.parent.sim_state["readback_ts"]
def put(self, value, *, timestamp=None, force=False):
raise ReadOnlyError("The signal {} is readonly.".format(self.name))
def set(self, value, *, timestamp=None, force=False):
raise ReadOnlyError("The signal {} is readonly.".format(self.name))
class _ReadbackSignalRand(Signal):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
@ -747,6 +780,90 @@ class SynAxisOPAAS(Device, PositionerBase):
return "mm"
class SynGaussBEC(Device):
"""
Evaluate a point on a Gaussian based on the value of a motor.
Parameters
----------
name : string
motor : Device
motor_field : string
center : number
center of peak
Imax : number
max intensity of peak
sigma : number, optional
Default is 1.
noise : {'poisson', 'uniform', None}, optional
Add noise to the gaussian peak.
noise_multiplier : float, optional
Only relevant for 'uniform' noise. Multiply the random amount of
noise by 'noise_multiplier'
random_state : numpy random state object, optional
np.random.RandomState(0), to generate random number with given seed
Example
-------
motor = SynAxis(name='motor')
det = SynGauss('det', motor, 'motor', center=0, Imax=1, sigma=1)
"""
val = Cpt(_ReadbackSignalCompute, value=0, kind="hinted")
Imax = Cpt(Signal, value=10, kind="config")
center = Cpt(Signal, value=0, kind="config")
sigma = Cpt(Signal, value=1, kind="config")
motor = Cpt(Signal, value="samx", kind="config")
noise = Cpt(
EnumSignal,
value="none",
kind="config",
enum_strings=("none", "poisson", "uniform"),
)
noise_multiplier = Cpt(Signal, value=1, kind="config")
def __init__(self, name, *, device_manager=None, random_state=None, **kwargs):
self.device_manager = device_manager
set_later = {}
for k in ("sigma", "noise", "noise_multiplier"):
v = kwargs.pop(k, None)
if v is not None:
set_later[k] = v
super().__init__(name=name, **kwargs)
self.random_state = random_state or np.random
self.val.name = self.name
self.precision = 3
self.sim_state = {"readback": 0, "readback_ts": ttime.time()}
for k, v in set_later.items():
getattr(self, k).put(v)
def _compute(self):
try:
m = self.device_manager.devices[self.motor.get()].obj.read()[self.motor.get()]["value"]
# we need to do this one at a time because
# - self.read() may be screwed with by the user
# - self.get() would cause infinite recursion
Imax = self.Imax.get()
center = self.center.get()
sigma = self.sigma.get()
noise = self.noise.get()
noise_multiplier = self.noise_multiplier.get()
v = Imax * np.exp(-((m - center) ** 2) / (2 * sigma**2))
if noise == "poisson":
v = int(self.random_state.poisson(np.round(v), 1))
elif noise == "uniform":
v += self.random_state.uniform(-1, 1) * noise_multiplier
return v
except Exception:
return 0
def get(self, *args, **kwargs):
self.sim_state["readback"] = self._compute()
self.sim_state["readback_ts"] = ttime.time()
return self.val.get()
class SynDeviceSubOPAAS(Device):
zsub = Cpt(SynAxisOPAAS, name="zsub")

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@ -4,11 +4,12 @@ import time
from typing import List
import numpy as np
from bec_client_lib.core import bec_logger
from bec_lib.core import bec_logger
from ophyd import Component as Cpt
from ophyd import Device, PositionerBase, Signal
from ophyd.status import wait as status_wait
from ophyd.utils import LimitError, ReadOnlyError
from ophyd_devices.smaract.smaract_controller import SmaractController
from ophyd_devices.smaract.smaract_errors import SmaractCommunicationError, SmaractError
from ophyd_devices.utils.controller import threadlocked

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@ -6,7 +6,7 @@ import time
import typing
import numpy as np
from bec_client_lib.core import bec_logger
from bec_lib.core import bec_logger
from ophyd import Signal
from ophyd.utils.errors import DisconnectedError