def restore_pvs(filepath, debug=False):
"""
Restore pvs from a save file via Channel Access
debug - Set to True if you want a line printed for each value set
Returns True if all pvs were restored successfully.
"""
success = True
fout = open(filepath, 'r')
lines = fout.readlines()
fout.close()
for line in lines:
if line.startswith('<END'):
break
if line.startswith('#'):
continue
pvname, value = [w.strip() for w in line[:-1].split(' ', 1)]
if value.startswith('<JSON>:'): # for older version, could be deprecated
value = value.replace('<JSON>:', '@array@')
if value.startswith('@array@'):
value = value.replace('@array@', '').strip()
if value.startswith('{') and value.endswith('}'):
value = value[1:-1]
value = json.loads(value)
if debug:
print( "Setting %s to %s..." % (pvname, value))
try:
thispv = PV(pvname)
pvconnectedstatus=thispv.wait_for_connection()
if not pvconnectedstatus:
print("Cannot connect to %s" % (pvname))
success = False
elif not thispv.write_access:
print("No write access to %s" % (pvname))
success = False
else:
thispv.put(value, wait=False)
except:
exctype, excvalue, exctrace = sys.exc_info()
print("Error restoring %s to %s : %s" % (pvname, value,
exctype, excvalue))
success = False
return success
def restore_pvs(filepath, debug=False):
"""
Restore pvs from a save file via Channel Access
debug - Set to True if you want a line printed for each value set
Returns True if all pvs were restored successfully.
"""
success = True
fout = open(filepath, 'r')
lines = fout.readlines()
fout.close()
for line in lines:
if line.startswith('<END'):
break
if line.startswith('#'):
continue
pvname, value = [w.strip() for w in line[:-1].split(' ', 1)]
if value.startswith(
'<JSON>:'): # for older version, could be deprecated
value = value.replace('<JSON>:', '@array@')
if value.startswith('@array@'):
value = value.replace('@array@', '').strip()
if value.startswith('{') and value.endswith('}'):
value = value[1:-1]
value = json.loads(value)
if debug:
print("Setting %s to %s..." % (pvname, value))
try:
thispv = PV(pvname)
thispv.connect()
if not thispv.connected:
print("Cannot connect to %s" % (pvname))
elif not thispv.write_access:
print("No write access to %s" % (pvname))
else:
thispv.put(value, wait=False)
except:
exctype, excvalue, exctrace = sys.exc_info()
print("Error restoring %s to %s : %s" %
(pvname, value, exctype, excvalue))
success = False
return success
def restore_pvs(filepath, debug=False):
"""
Restore pvs from a save file via Channel Access
debug - Set to True if you want a line printed for each value set
Returns True if all pvs were restored successfully.
"""
success = True
values = [x for x in sav_file.parseFile(filepath).asList() if len(x) > 0]
print("Restoring %d values..." % (len(values)))
for v in values:
if debug:
print("Setting %s to %s..." % (v[0], v[1]))
try:
pv = PV(v[0])
pv.put(v[1]) # hopefully this is good enough as conversions go
except Exception(e):
print("Error restoring %s to %s : %s" % (v[0], v[1], e))
success = False
return success
def restore_pvs(filepath, debug=False):
"""
Restore pvs from a save file via Channel Access
debug - Set to True if you want a line printed for each value set
Returns True if all pvs were restored successfully.
"""
success = True
values = [ x for x in sav_file.parseFile(filepath).asList() if len(x) > 0 ]
print( "Restoring %d values..." % ( len(values) ))
for v in values:
if debug:
print( "Setting %s to %s..." % (v[0], v[1]))
try:
pv = PV(v[0])
pv.put(v[1]) # hopefully this is good enough as conversions go
except Exception(e):
print( "Error restoring %s to %s : %s" % (v[0], v[1], e))
success = False
return success
