Added support for adaptive orbit feedback and spectral analysis
This commit is contained in:
@ -1 +1,2 @@
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from .adaptiveorbit import AdaptiveOrbit
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from .spectralanalysis import SpectralAnalysis
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@ -62,6 +62,12 @@ class AdaptiveOrbit:
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raise ValueError(f"PV-Channel {name} is not available")
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return pvs
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def flush(self):
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with self.bsAR.pt.queue.mutex:
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self.bsAR.pt.queue.queue.clear()
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with self.bsAT.pt.queue.mutex:
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self.bsAT.pt.queue.queue.clear()
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def terminate(self):
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print('Stopping BSStream Thread...')
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self.bsAR.stop()
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51
app/spectralanalysis.py
Normal file
51
app/spectralanalysis.py
Normal file
@ -0,0 +1,51 @@
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import time
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import numpy as np
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from bstrd import BSCache
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from bstrd.bscache import make_channel_config, is_available
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from epics import PV
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class SpectralAnalysis:
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"""
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Wrapper class to bundle all daq/io needed for adaptive orbit feedback.
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"""
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def __init__(self):
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self.bs = BSCache()
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self.bs.stop()
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self.channel = ''
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self.channels = ['SARFE10-PSSS059:SPECTRUM_Y',
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'SATOP21-PMOS127-2D:SPECTRUM_Y',
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'SATOP31-PMOS132-2D:SPECTRUM_Y']
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self.isConnected = False
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def connect(self,ich):
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if ich < 0 or ich >= len(self.channels):
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return False
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self.channel = self.channels[ich]
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print('Connecting to BS-Channel:',self.channel)
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self.bs.channels.clear()
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self.bs.get_var(self.channel) # this starts the stream into the cache
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self.pv = PV(self.channel.replace('_Y','_X'))
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def terminate(self):
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print('Stopping BSStream Thread...')
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self.bs.stop()
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self.bs.pt.running.clear() # for some reason I have to
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def flush(self):
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with self.bs.pt.queue.mutex:
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self.bs.pt.queue.queue.clear()
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def read(self):
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data=self.bs.__next__()
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return data['pid'],data[self.channel]
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def readPV(self):
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return self.pv.value
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def getSpectrometerName(self):
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return self.channel
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@ -0,0 +1,4 @@
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from .snap import getSnap
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from .save import saveDataset
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from .load import loadDataset
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from .elog import writeElog
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@ -1,6 +1,7 @@
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import os
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import elog
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def write(text, Title = 'Test', Application = 'SFBD-Module', Attachment = None):
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def writeElog(text, Title = 'Test', Application = 'SFBD-Module', Attachment = None):
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"""
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Generates an entry in the electronic logbook of SwissFEL Commisisoning Data
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:param text: The text to be placed in the log book
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@ -11,12 +12,11 @@ def write(text, Title = 'Test', Application = 'SFBD-Module', Attachment = None):
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"""
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# supplemental info
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Author = 'sfop'
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Author = os.getlogin()
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Category = 'Measurement' # Info or Measurement
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System = 'Beamdynamics' # Beamdynamics, Operation, Controls
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dict_att = {'Author': Author, 'Application': Application, 'Category': Category, 'Title': Title, 'System': System}
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print('\nLog book entry generated')
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logbook = elog.open('https://elog-gfa.psi.ch/SwissFEL+commissioning+data/', user='robot', password='robot')
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return logbook.post(text, attributes=dict_att, attachments=Attachment)
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@ -1,66 +1,50 @@
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import sys
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import os
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import datetime
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import h5py
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# add other classes
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#sys.path.append('/sf/bd/packages/SFBD/src')
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class Load:
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def __init__(self, logger = None, program = 'SFBD', version = 'v1.0.0'):
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def loadDataset(filename):
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hid = h5py.File(filename, "r")
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snap = loadSnap(hid)
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data = loadData(hid)
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act = loadActuator(hid)
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hid.close()
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return data,act,snap
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self.program = program
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self.version = version
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self.author ='S. Reiche'
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self.file = None
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if logger == None:
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logging.basicConfig(level=logging.INFO,
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format='%(levelname)-8s %(message)s')
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self.logger = logging.getLogger(self.program)
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self.logger.info('Load class started at %s' % datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S'))
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self.logger.info('Version: %s ' % self.version)
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self.logger.info('Host: %s' % socket.gethostname())
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else:
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self.logger = logger
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def open(self,filename):
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self.file = h5py.File(filename, "r")
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def close(self):
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if self.file is not None:
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self.file.close()
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self.file = None
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def loadSnap(self):
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def loadSnap(hid):
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snap={}
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if not 'experiment' in self.file.keys():
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return snap
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for key1 in self.file['experiment'].keys():
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for key2 in self.file['experiment'][key1].keys():
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val = self.file['experiment'][key1][key2][()]
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snap[key1+':'+key2]={'val':val}
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if not 'experiment' in hid.keys():
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return None
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for key1 in hid['experiment'].keys():
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if isinstance(hid['experiment'][key1],h5py.Group):
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for key2 in hid['experiment'][key1].keys():
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val = hid['experiment'][key1][key2][()]
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snap[key1+':'+key2]=val
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else:
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snap[key1]=hid['experiment'][key1][()]
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return snap
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def loadData(self,scanrun=1):
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def loadData(hid,scanrun=1):
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run='scan_%d' % scanrun
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data = {}
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for key1 in self.file[run]['data'].keys():
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for key2 in self.file[run]['data'][key1].keys():
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val = self.file[run]['data'][key1][key2][()]
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for key1 in hid[run]['data'].keys():
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if isinstance(hid[run]['data'][key1],h5py.Group):
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for key2 in hid[run]['data'][key1].keys():
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val = hid[run]['data'][key1][key2][()]
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data[key1+':'+key2]=val
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else:
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data[key1]=hid[run]['data'][key1][()]
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return data
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def loadActuator(self,scanrun=1):
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def loadActuator(hid,scanrun=1):
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run='scan_%d' % scanrun
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data = {}
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if 'actuators' in self.file[run]['method'].keys():
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for key1 in self.file[run]['method']['actuators'].keys():
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for key2 in self.file[run]['method']['actuators'][key1].keys():
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val = self.file[run]['method']['actuators'][key1][key2][()]
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if 'actuators' in hid[run]['method'].keys():
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for key1 in hid[run]['method']['actuators'].keys():
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if isinstance(hid[run]['method']['actuators'],h5py.Group):
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for key2 in hid[run]['method']['actuators'][key1].keys():
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val = hid[run]['method']['actuators'][key1][key2][()]
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data[key1+':'+key2]={'val':val}
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else:
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data[key1]=hid[run]['method']['actuators'][key1][()]
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return data
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@ -2,35 +2,10 @@ import sys
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import os
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import datetime
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import h5py
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import logging
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import socket
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from PIL import Image
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# add other classes
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#sys.path.append('/sf/bd/packages/SFBD/src')
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class Save:
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def __init__(self, logger = None, program = 'SFBD', version = 'v1.0.0'):
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self.program = program
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self.version = version
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self.author ='S. Reiche'
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self.filename=None
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self.file = None
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if logger == None:
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logging.basicConfig(level=logging.INFO,
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format='%(levelname)-8s %(message)s')
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self.logger = logging.getLogger(self.program)
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self.logger.info('Save class started at %s' % datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S'))
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self.logger.info('Version: %s ' % self.version)
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self.logger.info('Host: %s' % socket.gethostname())
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else:
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self.logger = logger
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def open(self):
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def getDatasetFileName(program='Unknown'):
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year = datetime.datetime.now().strftime('%Y')
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month = datetime.datetime.now().strftime('%m')
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day = datetime.datetime.now().strftime('%d')
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@ -45,84 +20,143 @@ class Save:
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if not os.path.exists(path):
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os.makedirs(path)
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datetag = datetime.datetime.now().strftime('%Y_%m_%d_%H_%M_%S_%f')
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self.filename=('%s/%s_%s' % (path, self.program.replace(' ','_'), datetag))
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self.file = h5py.File(self.filename+'.h5', "w")
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filename=('%s/%s_%s' % (path, program.replace(' ','_'), datetag))
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return filename
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def saveDataset(program,data,actuator=None,snap=None,analysis=None,figures=None):
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hid,filename = openDataset(program)
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if not hid:
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return None
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# check if scan is multiple instances of a scan
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if isinstance(data,list):
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for iscan,singledata in enumerate(data):
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writeData(hid,singledata,iscan)
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else:
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writeData(hid,data,1)
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# same for actuator
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if isinstance(actuator,list):
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for iscan,singleactuator in enumerate(actuator):
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writeActuator(hid,singleactuator,iscan)
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else:
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writeActuator(hid,actuator,1)
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# and same for analysis
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if isinstance(analysis,list):
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for iscan,singleana in enumerate(analysis):
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writeAnalysis(hid,singleana,iscan)
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else:
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writeAnalysis(hid,analysis,1)
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# write aux data
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writeSnap(hid,snap)
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hid.close()
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writeFigure(filename,figures)
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return filename
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def openDataset(program):
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if isinstance(program,str):
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program={'Name':program,'Author':'Unknown','Version':'Unknown'}
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if not isinstance(program,dict):
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return None,None
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if not 'Author' in program.keys():
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program['Author']='Unknown'
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if not 'Version' in program.keys():
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program['Version']='Unknown'
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filename=getDatasetFileName(program['Name'])
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hid= h5py.File(filename+'.h5', "w")
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# meta data header
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dt = h5py.special_dtype(vlen=bytes)
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dset=self.file.create_dataset('general/user',(1,),dtype=dt)
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dset=hid.create_dataset('general/user',(1,),dtype=dt)
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dset[0]=os.getlogin()
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dset=self.file.create_dataset('general/application',(1,),dtype=dt)
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dset[0]=self.program
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dset=self.file.create_dataset('general/author',(1,),dtype=dt)
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dset[0]=self.author
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dset=self.file.create_dataset('general/version',(1,),dtype=dt)
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dset[0]=self.version
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dset=self.file.create_dataset('general/created',(1,),dtype=dt)
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dset=hid.create_dataset('general/application',(1,),dtype=dt)
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dset[0]=program['Name']
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dset=hid.create_dataset('general/author',(1,),dtype=dt)
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dset[0]=program['Author']
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dset=hid.create_dataset('general/version',(1,),dtype=dt)
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dset[0]=program['Version']
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dset=hid.create_dataset('general/created',(1,),dtype=dt)
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dset[0]=str(datetime.datetime.now())
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return hid,filename
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def close(self):
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if self.file is not None:
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self.file.close()
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self.file = None
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def writeSnap(self,val):
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for key in val.keys():
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name=key.split(':')
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if 'value' in val[key].keys():
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data=val[key]['value']
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elif 'val' in val[key].keys():
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data=val[key]['val']
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else:
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continue
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dset=self.file.create_dataset('experiment/%s/%s' % (name[0],name[1]),data=[data])
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dset.attrs['system']=self.getSystem(name[0])
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dset.attrs['units']='unknown'
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def writeAnalysis(self,data,scanrun=1):
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for key1 in data.keys():
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for key2 in data[key1].keys():
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dset=self.file.create_dataset('scan_%d/analysis/%s/%s' % (scanrun, key1, key2),
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data=data[key1][key2])
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def writeData(self, data, scanrun=1):
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if not 'Shot:ID' in data.keys():
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def writeData(hid, data, scanrun=1):
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if not 'pid' in data.keys():
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return
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shape = data['Shot:ID'].shape
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shape = data['pid'].shape
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ndim = len(shape)
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nsam = shape[-1]
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nrec = 0
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if ndim > 1:
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nrec = shape[:-1][0]
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self.file.create_dataset("scan_%d/method/records" % scanrun,data=[nrec])
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self.file.create_dataset("scan_%d/method/samples" % scanrun,data=[nsam])
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self.file.create_dataset("scan_%d/method/dimension" % scanrun,data=[ndim])
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self.file.create_dataset("scan_%d/method/reducedData" % scanrun,data=[0]) # indicating that there is at least a 2D array for scalar data
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hid.create_dataset("scan_%d/method/records" % scanrun,data=[nrec])
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hid.create_dataset("scan_%d/method/samples" % scanrun,data=[nsam])
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hid.create_dataset("scan_%d/method/dimension" % scanrun,data=[ndim])
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hid.create_dataset("scan_%d/method/reducedData" % scanrun,data=[0]) # indicating that there is at least a 2D array for scalar data
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# write the sensor raw value
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for ele in data.keys():
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name=ele.split(':')
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dset=self.file.create_dataset('scan_%d/data/%s/%s' % (scanrun, name[0], name[1]), data=data[ele])
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dset.attrs['system'] = self.getSystem(name[0])
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if len(name)>1:
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dset=hid.create_dataset('scan_%d/data/%s/%s' % (scanrun, name[0], name[1]), data=data[ele])
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else:
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dset=hid.create_dataset('scan_%d/data/%s' % (scanrun, name[0]), data=data[ele])
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dset.attrs['system'] = getDatasetSystem(name[0])
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dset.attrs['units'] = 'unknown'
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def writeActuator(self,act,scanrun=1):
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def writeActuator(hid,act,scanrun=1):
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if not act:
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return
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dt = h5py.special_dtype(vlen=bytes)
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dset=self.file.create_dataset("scan_%d/method/type" % scanrun,(1,),dtype=dt)
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if act.isActuator:
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dset=hid.create_dataset("scan_%d/method/type" % scanrun,(1,),dtype=dt)
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nact = len(act.keys())
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if nact>0:
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dset[0]='Scan'
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else:
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dset[0]='Time Recording'
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for ele in act.actuators.keys():
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for ele in act.keys():
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name=ele.split(':')
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dset=self.file.create_dataset("scan_%d/method/actuators/%s/%s" % (scanrun,name[0],name[1]),data=act.actuators[ele]['val'])
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dset.attrs['system']=self.getSystem(name[0])
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if len(name)>1:
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dset=hid.create_dataset("scan_%d/method/actuators/%s/%s" % (scanrun,name[0],name[1]),data=act[ele])
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else:
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dset=hid.create_dataset("scan_%d/method/actuators/%s" % (scanrun,name[0]),data=act[ele])
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dset.attrs['system']=getDatasetSystem(name[0])
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dset.attrs['units']='unknown'
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def writeSnap(hid,val):
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if not val:
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return
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for key in val.keys():
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name=key.split(':')
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if len(name)>1:
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dset=hid.create_dataset('experiment/%s/%s' % (name[0],name[1]),data=val[key])
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else:
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dset=hid.create_dataset('experiment/%s/%s' % (name[0]),data=val[key])
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dset.attrs['system']=getDatasetSystem(name[0])
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dset.attrs['units']='unknown'
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def getSystem(self,name):
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def writeAnalysis(hid,data,scanrun=1):
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if not data:
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return
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for key in data.keys():
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name=key.split(':')
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if len(name)>1:
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dset=hid.create_dataset('scan_%d/analysis/%s/%s' % (scanrun, name[0], name[1]), data=data[key])
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else:
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dset=hid.create_dataset('scan_%d/analysis/%s/%s' % (scanrun, name[0]), data=data[key])
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dset.attrs['system']='analysis'
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dset.attrs['units']='unknown'
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def writeFigure(filename,figs):
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for i,ele in enumerate(figs):
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plotname='%s_Fig%d.png' % (filename,(i+1))
|
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im = Image.open(ele)
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im.save(plotname)
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return None
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def getDatasetSystem(name):
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if len(name) > 11:
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tag=name[8:9]
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fulltag=name[8:12]
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||||
|
||||
@ -1,73 +1,43 @@
|
||||
import datetime
|
||||
import re
|
||||
import numpy as np
|
||||
import yaml
|
||||
import os
|
||||
import json
|
||||
|
||||
import copy
|
||||
|
||||
from threading import Thread
|
||||
|
||||
import epics
|
||||
|
||||
class Snap:
|
||||
def __init__(self,filename='/sf/data/applications/snapshot/req/op/SF_settings.yaml'):
|
||||
# things to do:
|
||||
# 1. Read a snapshot file (not request file)
|
||||
# 2. Save a snapshot file
|
||||
# 3. add parameters and performance channels (e.g. AT photon energies)
|
||||
|
||||
self.pvs = self.parseYAML(filename)
|
||||
self.doAbort = False
|
||||
def parseSnapShotReqYAML(filename):
|
||||
# read the snapshot request file
|
||||
# returns a list of PV names
|
||||
if not filename:
|
||||
filename = '/sf/data/applications/snapshot/req/op/SF_settings.yaml'
|
||||
pvs = []
|
||||
path = os.path.dirname(filename)
|
||||
with open(filename) as f:
|
||||
try:
|
||||
content = yaml.load(f, Loader=yaml.SafeLoader)
|
||||
if 'include' in content.keys():
|
||||
if len(content['include']) > 0:
|
||||
for cont in content['include']:
|
||||
retpv = parseSnapShotReqYAML(path+'/'+cont['name'])
|
||||
if 'macros' in cont.keys():
|
||||
retpv = applyReqMacro(retpv,cont['macros'])
|
||||
pvs = pvs + retpv
|
||||
if 'pvs' in content.keys():
|
||||
if 'list' in content['pvs']:
|
||||
for pv in content['pvs']['list']:
|
||||
pvs.append(pv['name'])
|
||||
return pvs
|
||||
return None
|
||||
except yaml.YAMLError as e:
|
||||
print(e)
|
||||
return None
|
||||
return None
|
||||
|
||||
def my_caget_many(self):
|
||||
# this skips quite some channels - don't know why?
|
||||
|
||||
pvdata = {}
|
||||
pvchids = []
|
||||
# create, don't connect or create callbacks
|
||||
for name in self.pvs:
|
||||
chid = epics.ca.create_channel(name, connect=False, auto_cb=False) # note 1
|
||||
pvchids.append(chid)
|
||||
|
||||
# connect
|
||||
for chid in pvchids:
|
||||
print(epics.ca.name(chid))
|
||||
epics.ca.connect_channel(chid)
|
||||
|
||||
# request get, but do not wait for result
|
||||
epics.ca.poll()
|
||||
for chid in pvchids:
|
||||
print(epics.ca.name(chid))
|
||||
epics.ca.get(chid, wait=False) # note 2
|
||||
|
||||
# now wait for get() to complete
|
||||
epics.ca.poll()
|
||||
for chid in pvchids:
|
||||
print(epics.ca.name(chid))
|
||||
val = epics.ca.get_complete(chid,timeout=0.5)
|
||||
if not val:
|
||||
pvdata[epics.ca.name(chid)] = np.array([val])
|
||||
epics.ca.clear_cache()
|
||||
return pvdata
|
||||
|
||||
def abort(self):
|
||||
self.doAbort=True
|
||||
print('Aborting Snap')
|
||||
|
||||
def getSnapValues(self,force=True):
|
||||
self.doAbort=False
|
||||
ret={}
|
||||
if self.pvs:
|
||||
# ret=self.my_caget_many()
|
||||
val = epics.caget_many(self.pvs)
|
||||
for i,pv in enumerate(self.pvs):
|
||||
if val[i]: # filter out None values
|
||||
ret[pv]={'val':float(val[i])}
|
||||
epics.ca.clear_cache()
|
||||
return ret,{}
|
||||
|
||||
#-------------
|
||||
# routines to parse the OP YAML file
|
||||
|
||||
def applyMacro(self,pvs_in,macros):
|
||||
def applyReqMacro(pvs_in,macros):
|
||||
pvs = []
|
||||
for macro in macros:
|
||||
for key in macro:
|
||||
@ -80,182 +50,22 @@ class Snap:
|
||||
pvs.append(pv)
|
||||
return pvs
|
||||
|
||||
def parseYAML(self,filename='/sf/data/applications/snapshot/req/op/SF_settings.yaml'):
|
||||
pvs = []
|
||||
path = os.path.dirname(filename)
|
||||
with open(filename) as f:
|
||||
try:
|
||||
content = yaml.load(f, Loader=yaml.SafeLoader)
|
||||
if 'include' in content.keys():
|
||||
if len(content['include']) > 0:
|
||||
for cont in content['include']:
|
||||
retpv = self.parseYAML(path+'/'+cont['name'])
|
||||
if 'macros' in cont.keys():
|
||||
retpv = self.applyMacro(retpv,cont['macros'])
|
||||
pvs = pvs + retpv
|
||||
if 'pvs' in content.keys():
|
||||
if 'list' in content['pvs']:
|
||||
for pv in content['pvs']['list']:
|
||||
pvs.append(pv['name'])
|
||||
return pvs
|
||||
return None
|
||||
|
||||
except yaml.YAMLError as e:
|
||||
print(e)
|
||||
return None
|
||||
return None
|
||||
|
||||
|
||||
|
||||
|
||||
class Old:
|
||||
|
||||
def __init__(self):
|
||||
self.filename = filename
|
||||
print('Estbalishing snapshot with request file:', filename,flush=True)
|
||||
self.savepath = savepath
|
||||
self.tolerance = 0.0005
|
||||
self.pvnames = []
|
||||
self.pvs = []
|
||||
self.mppvnames = []
|
||||
self.mppvs = []
|
||||
self.machinepar = []
|
||||
self.message = ''
|
||||
if self.filename:
|
||||
self.openRequestFile(self.filename)
|
||||
|
||||
def openRequestFile(self, filename):
|
||||
self.filename = filename
|
||||
self.rootname = self.filename.split('/')[-1]
|
||||
|
||||
isReq = True
|
||||
if '.yaml' in filename:
|
||||
isReq = False
|
||||
# req_file = SnapshotReqFile(path=str(self.filename))
|
||||
|
||||
if newVersion:
|
||||
if '.yaml' in filename:
|
||||
req_file = SnapshotJsonFile(path=str(self.filename))
|
||||
else:
|
||||
req_file = SnapshotReqFile(path=str(self.filename))
|
||||
pvs_list= req_file.read()[0]
|
||||
print('PV List:-------------------------')
|
||||
for i in range(len(pvs_list)):
|
||||
print(pvs_list[i])
|
||||
print(req_file.read()[1])
|
||||
else:
|
||||
if '.yaml' in filename:
|
||||
self.filename=None
|
||||
self.rootname = None
|
||||
print('YAML files not supported')
|
||||
def getSnap(pvs=None):
|
||||
if not isinstance(pvs,list):
|
||||
pvs = parseSnapShotReqYAML(pvs)
|
||||
if not pvs:
|
||||
return
|
||||
req_file = SnapshotReqFile(str(self.filename))
|
||||
pvs_list = req_file.read()
|
||||
ret={}
|
||||
val = epics.caget_many(pvs)
|
||||
for i,pv in enumerate(pvs):
|
||||
if val[i]: # filter out None values
|
||||
ret[pv]=float(val[i])
|
||||
epics.ca.clear_cache()
|
||||
return ret
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
self.pvnames.clear()
|
||||
self.machinepar.clear()
|
||||
for ele in pvs_list:
|
||||
if isinstance(ele, list):
|
||||
self.pvnames = ele
|
||||
elif isinstance(ele, dict):
|
||||
if 'machine_params' in ele.keys():
|
||||
self.machinepar = ele['machine_params']
|
||||
Thread(target=self.connectPVs).start()
|
||||
|
||||
def connectPVs(self):
|
||||
self.pvs = [PV(pv, auto_monitor=False) for pv in self.pvnames]
|
||||
con = [pv.wait_for_connection(timeout=0.2) for pv in self.pvs]
|
||||
pvscon=[]
|
||||
for i, val in enumerate(con):
|
||||
if val is False:
|
||||
print('Cannot connect to PV:', self.pvs[i].pvname,flush=True)
|
||||
else:
|
||||
pvscon.append(self.pvs[i])
|
||||
self.pvs = copy.deepcopy(pvscon)
|
||||
if isinstance(self.machinepar,list):
|
||||
self.mppvs = [PV(self.machinepar[key], auto_monitor=False) for key in self.machinepar]
|
||||
else:
|
||||
self.mppvs = [PV(self.machinepar[key], auto_monitor=False) for key in self.machinepar.keys()]
|
||||
con = [pv.wait_for_connection(timeout=0.2) for pv in self.mppvs]
|
||||
pvscon.clear()
|
||||
for i, val in enumerate(con):
|
||||
if val is False:
|
||||
print('Cannot connect to mPV:', self.mppvs[i].pvname,flush=True)
|
||||
else:
|
||||
pvscon.append(self.mppvs[i])
|
||||
self.mppvs=copy.deepcopy(pvscon)
|
||||
|
||||
def getSnapValues(self, force=True):
|
||||
values = {}
|
||||
val = [pv.get(timeout=0.6, use_monitor=False) for pv in self.pvs]
|
||||
for i, pv in enumerate(self.pvs):
|
||||
if val[i] is None:
|
||||
if force:
|
||||
continue
|
||||
else:
|
||||
return False
|
||||
else:
|
||||
values[pv.pvname] = {
|
||||
"raw_name": pv.pvname, "val": val[i], "EGU": pv.units, "prec": pv.precision}
|
||||
mvalues = {}
|
||||
val = [pv.get(timeout=0.6, use_monitor=False) for pv in self.mppvs]
|
||||
for i, pv in enumerate(self.mppvs):
|
||||
if val[i] is None:
|
||||
if force:
|
||||
continue
|
||||
else:
|
||||
return False
|
||||
else:
|
||||
mvalues[pv.pvname] = {"value": val[i],
|
||||
"units": pv.units, "precision": pv.precision}
|
||||
return values, mvalues
|
||||
|
||||
def save(self, labels=[], comment="Generated by SFBD-Package", force=True):
|
||||
if self.filename is None:
|
||||
self.message = 'No Request File Loaded'
|
||||
return False
|
||||
|
||||
val, mval = self.getSnapValues(force)
|
||||
if isinstance(val, bool) and val == False:
|
||||
self.message = 'Unsuccesful reading of PV channels (unforced access)'
|
||||
return False
|
||||
|
||||
# construct file name
|
||||
datetag = datetime.datetime.now().strftime('%Y%m%d_%H%M%S')
|
||||
root = self.rootname.split('.req')[0]
|
||||
files = self.savepath+root+'_'+datetag+'.snap'
|
||||
filel = self.savepath+root+'_latest.snap'
|
||||
|
||||
# reshuffle from mval to keyword based machine values
|
||||
mmval = {}
|
||||
for key in self.machinepar.keys():
|
||||
if self.machinepar[key] in mval.keys():
|
||||
mmval[key] = mval[self.machinepar[key]]
|
||||
# save file
|
||||
parse_to_save_file(
|
||||
val, files, macros=None, symlink_path=filel, comment=comment,
|
||||
labels=[],
|
||||
req_file_name=self.rootname, machine_params=mmval)
|
||||
self.message = 'Snapshot saved to '+files
|
||||
return True
|
||||
|
||||
def restore(self,filename,refilter='',force=True):
|
||||
filepath=self.savepath+filename
|
||||
prog=re.compile(refilter)
|
||||
save_pvs=parse_from_save_file(filepath)
|
||||
res={}
|
||||
for ele in save_pvs:
|
||||
if isinstance(ele,dict):
|
||||
for key in ele.keys():
|
||||
if prog.match(key):
|
||||
res[key]=ele[key]['value']
|
||||
|
||||
for pv in self.pvs:
|
||||
if pv.pvname in res.keys():
|
||||
val=pv.get()
|
||||
if val is None or np.abs(val-res[pv.pvname]) > self.tolerance:
|
||||
pv.put(res[pv.pvname])
|
||||
self.message ='Snap restored'
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user