def require(self, mnemonicsList):
"""Download a list of Hardware Objects in one go"""
self.requiredHardwareObjects = {}
if not self.server:
return
try:
t0 = time.time()
mnemonics = ",".join([repr(mne) for mne in mnemonicsList])
if len(mnemonics) > 0:
self.requiredHardwareObjects = SpecWaitObject.waitReply(
self.server,
"send_msg_cmd_with_return",
("xml_getall(%s)" % mnemonics,),
timeout=3,
)
logging.getLogger("HWR").debug(
"Getting %s hardware objects took %s ms."
% (len(self.requiredHardwareObjects), (time.time() - t0) * 1000)
)
except SpecClientError.SpecClientTimeoutError:
logging.getLogger("HWR").error("Timeout loading Hardware Objects")
except BaseException:
logging.getLogger("HWR").exception(
"Could not execute 'require' on Hardware Repository server"
)
def require(self, mnemonicsList):
"""Download a list of Hardware Objects in one go"""
self.requiredHardwareObjects = {}
if not self.server:
return
try:
t0 = time.time()
mnemonics = ",".join([repr(mne) for mne in mnemonicsList])
if len(mnemonics) > 0:
self.requiredHardwareObjects = SpecWaitObject.waitReply(
self.server,
"send_msg_cmd_with_return",
("xml_getall(%s)" % mnemonics, ),
timeout=3,
)
logging.getLogger("HWR").debug(
"Getting %s hardware objects took %s ms." %
(len(self.requiredHardwareObjects),
(time.time() - t0) * 1000))
except SpecClientError.SpecClientTimeoutError:
logging.getLogger("HWR").error("Timeout loading Hardware Objects")
except Exception:
logging.getLogger("HWR").exception(
"Could not execute 'require' on Hardware Repository server")
def getHardwareRepositoryFiles(self, startdir = '/'):
#TODO: when server is not used
if not self.server:
return
try:
completeFilesList = SpecWaitObject.waitReply(self.server, 'send_msg_chan_read', ('readDirectory()', ), timeout = 3)
except:
logging.getLogger('HWR').error('Cannot retrieve Hardware Repository files list')
else:
if '__error__' in completeFilesList:
logging.getLogger('HWR').error('Error while doing Hardware Repository files list')
return
else:
for name, filename in completeFilesList.items():
if name.startswith(startdir):
yield (name, filename)
def getHardwareRepositoryFiles(self, startdir="/"):
# TODO: when server is not used
if not self.server:
return
try:
completeFilesList = SpecWaitObject.waitReply(
self.server, "send_msg_chan_read", ("readDirectory()",), timeout=3
)
except:
logging.getLogger("HWR").error("Cannot retrieve Hardware Repository files list")
else:
if "__error__" in completeFilesList:
logging.getLogger("HWR").error("Error while doing Hardware Repository files list")
return
else:
for name, filename in completeFilesList.items():
if name.startswith(startdir):
yield (name, filename)
def getHardwareRepositoryFiles(self, startdir="/"):
# TODO: when server is not used
if not self.server:
return
try:
completeFilesList = SpecWaitObject.waitReply(self.server,
"send_msg_chan_read",
("readDirectory()", ),
timeout=3)
except Exception:
logging.getLogger("HWR").error(
"Cannot retrieve Hardware Repository files list")
else:
if "__error__" in completeFilesList:
logging.getLogger("HWR").error(
"Error while doing Hardware Repository files list")
return
else:
for name, filename in completeFilesList.items():
if name.startswith(startdir):
yield (name, filename)
def loadHardwareObject(self, hoName):
"""Load a Hardware Object
Parameters :
hoName -- string name of the Hardware Object to load, for example '/motors/m0'
Return :
the loaded Hardware Object, or None if it fails
"""
if self.server:
if self.server.isSpecConnected():
try:
#t0=time.time()
if hoName in self.requiredHardwareObjects:
replyDict = self.requiredHardwareObjects[hoName]
#del self.requiredHardwareObjects[hoName]
else:
replyDict = SpecWaitObject.waitReply(self.server, 'send_msg_chan_read', ('xml_get("%s")' % hoName, ), timeout = 3)
except:
logging.getLogger('HWR').exception('Could not load Hardware Object "%s"', hoName)
else:
#print 'loading %s took %s ms' % (hoName, 1000*(time.time()-t0))
try:
xmldata = replyDict['xmldata']
mtime = int(replyDict['mtime'])
except KeyError:
logging.getLogger("HWR").error("Cannot load Hardware Object %s: file does not exist.", hoName)
return
else:
logging.getLogger('HWR').error('Cannot load Hardware Object "%s" : not connected to server.', hoName)
else:
xmldata = ""
for xml_files_path in self.serverAddress:
file_name = hoName[1:] if hoName.startswith(os.path.sep) else hoName
file_path = os.path.join(xml_files_path, file_name)+os.path.extsep+"xml"
if os.path.exists(file_path):
try:
xmldata = open(file_path, "r").read()
except:
pass
break
if True:
if len(xmldata) > 0:
try:
#t0 = time.time()
ho = self.parseXML(xmldata, hoName)
#print 'parsing %s took %s ms' % (hoName, (time.time()-t0)*1000)
except:
logging.getLogger("HWR").exception("Cannot parse XML file for Hardware Object %s", hoName)
else:
if ho is not None:
self.xml_source[hoName]=xmldata
dispatcher.send('hardwareObjectLoaded', hoName, self)
def hardwareObjectDeleted(name=ho.name()):
logging.getLogger("HWR").debug("%s Hardware Object has been deleted from Hardware Repository", name)
del self.hardwareObjects[name]
ho.resolveReferences()
try:
def addChannelsAndCommands(node):
#import pdb; pdb.set_trace()
if isinstance(node, BaseHardwareObjects.CommandContainer):
node._addChannelsAndCommands()
for child_node in node:
addChannelsAndCommands(child_node)
addChannelsAndCommands(ho)
except:
logging.getLogger('HWR').exception("Error while adding commands and/or channels to Hardware Object %s", hoName)
try:
ho._init()
ho.init()
except:
logging.getLogger('HWR').exception('Cannot initialize Hardware Object "%s"', hoName)
self.invalidHardwareObjects.add(ho.name())
return None
else:
if ho.name() in self.invalidHardwareObjects:
self.invalidHardwareObjects.remove(ho.name())
self.hardwareObjects[ho.name()] = ho
return ho
else:
logging.getLogger("HWR").error("Failed to load Hardware Object %s", hoName)
else:
logging.getLogger('HWR').error('Cannot load Hardware Object "%s" : file not found.', hoName)
def loadHardwareObject(self, hwobj_name=""):
"""
Load a Hardware Object
:param hwobj_name: string name of the Hardware Object to load, for example '/motors/m0'
:return: the loaded Hardware Object, or None if it fails
"""
comment = ""
class_name = ""
hwobj_instance = None
if self.server:
if self.server.isSpecConnected():
try:
if hwobj_name in self.requiredHardwareObjects:
reply_dict = self.requiredHardwareObjects[hwobj_name]
else:
reply_dict = SpecWaitObject.waitReply(
self.server,
"send_msg_chan_read",
('xml_get("%s")' % hwobj_name,),
timeout=3,
)
except BaseException:
logging.getLogger("HWR").exception(
'Could not load Hardware Object "%s"' % hwobj_name
)
else:
try:
# TODO Both variables not used: remove?
xml_data = reply_dict["xmldata"]
mtime = int(reply_dict["mtime"])
except KeyError:
logging.getLogger("HWR").error(
"Cannot load Hardware Object %s: file does not exist."
% hwobj_name
)
return
else:
logging.getLogger("HWR").error(
'Cannot load Hardware Object "%s" : not connected to server.'
% hwobj_name
)
else:
xml_data = ""
for xml_files_path in self.serverAddress:
file_name = (
hwobj_name[1:] if hwobj_name.startswith(os.path.sep) else hwobj_name
)
file_path = (
os.path.join(xml_files_path, file_name) + os.path.extsep + "xml"
)
if os.path.exists(file_path):
try:
xml_data = open(file_path, "r").read()
except BaseException:
pass
break
start_time = datetime.now()
if len(xml_data) > 0:
try:
hwobj_instance = self.parseXML(xml_data, hwobj_name)
if isinstance(hwobj_instance, string_types):
return self.loadHardwareObject(hwobj_instance)
except BaseException:
comment = "Cannot parse xml"
logging.getLogger("HWR").exception(
"Cannot parse XML file for Hardware Object %s", hwobj_name
)
else:
if hwobj_instance is not None:
self.xml_source[hwobj_name] = xml_data
dispatcher.send("hardwareObjectLoaded", hwobj_name, self)
def hardwareObjectDeleted(name=hwobj_instance.name()):
logging.getLogger("HWR").debug(
"%s Hardware Object has been deleted from Hardware Repository",
name,
)
del self.hardwareObjects[name]
hwobj_instance.resolveReferences()
try:
hwobj_instance._addChannelsAndCommands()
except BaseException:
logging.getLogger("HWR").exception(
"Error while adding commands and/or channels to Hardware Object %s",
hwobj_name,
)
comment = "Failed to add all commands and/or channels"
try:
hwobj_instance._init()
hwobj_instance.init()
class_name = str(hwobj_instance.__module__)
except BaseException:
logging.getLogger("HWR").exception(
'Cannot initialize Hardware Object "%s"', hwobj_name
)
self.invalidHardwareObjects.add(hwobj_instance.name())
hwobj_instance = None
comment = "Failed to init class"
else:
if hwobj_instance.name() in self.invalidHardwareObjects:
self.invalidHardwareObjects.remove(hwobj_instance.name())
self.hardwareObjects[hwobj_instance.name()] = hwobj_instance
else:
logging.getLogger("HWR").error(
"Failed to load Hardware object %s", hwobj_name
)
comment = "Loading failed"
else:
logging.getLogger("HWR").error(
'Cannot load Hardware Object "%s" : file not found.', hwobj_name
)
end_time = datetime.now()
time_delta = end_time - start_time
self.hwobj_info_list.append(
(
hwobj_name,
class_name,
"%d ms" % (time_delta.microseconds / 1000),
comment,
)
)
return hwobj_instance
def _loadHardwareObject(self, hwobj_name=""):
"""
Load a Hardware Object. Do NOT use externally,
as this will mess up object tracking, signals, etc.
:param hwobj_name: string name of the Hardware Object to load, e.g. /motors/m0
:return: the loaded Hardware Object, or None if it fails
"""
comment = ""
class_name = ""
hwobj_instance = None
if self.server:
if self.server.isSpecConnected():
try:
if hwobj_name in self.requiredHardwareObjects:
reply_dict = self.requiredHardwareObjects[hwobj_name]
else:
reply_dict = SpecWaitObject.waitReply(
self.server,
"send_msg_chan_read",
('xml_get("%s")' % hwobj_name, ),
timeout=3,
)
except Exception:
logging.getLogger("HWR").exception(
'Could not load Hardware Object "%s"', hwobj_name)
else:
try:
# TODO Both variables not used: remove?
xml_data = reply_dict["xmldata"]
mtime = int(reply_dict["mtime"])
except KeyError:
logging.getLogger("HWR").error(
"Cannot load Hardware Object %s: file does not exist.",
hwobj_name,
)
return
else:
logging.getLogger("HWR").error(
'Cannot load Hardware Object "%s" : not connected to server.',
hwobj_name,
)
else:
xml_data = ""
for xml_files_path in self.serverAddress:
file_name = (hwobj_name[1:] if hwobj_name.startswith(
os.path.sep) else hwobj_name)
file_path = (os.path.join(xml_files_path, file_name) +
os.path.extsep + "xml")
if os.path.exists(file_path):
try:
xml_data = open(file_path, "r").read()
except Exception:
pass
break
start_time = datetime.now()
if xml_data:
try:
hwobj_instance = self.parseXML(xml_data, hwobj_name)
if isinstance(hwobj_instance, string_types):
# We have redirection to another file
# Enter in dictionaries also under original names
result = self._loadHardwareObject(hwobj_instance)
if hwobj_name in self.invalidHardwareObjects:
self.invalidHardwareObjects.remove(hwobj_name)
self.hardwareObjects[hwobj_name] = result
return result
except Exception:
comment = "Cannot parse xml"
logging.getLogger("HWR").exception(
"Cannot parse XML file for Hardware Object %s", hwobj_name)
else:
if hwobj_instance is not None:
self.xml_source[hwobj_name] = xml_data
dispatcher.send("hardwareObjectLoaded", hwobj_name, self)
def hardwareObjectDeleted(name=hwobj_instance.name()):
logging.getLogger("HWR").debug(
"%s Hardware Object has been deleted from Hardware Repository",
name,
)
del self.hardwareObjects[name]
hwobj_instance.resolveReferences()
try:
hwobj_instance._add_channels_and_commands()
except Exception:
logging.getLogger("HWR").exception(
"Error while adding commands and/or channels to Hardware Object %s",
hwobj_name,
)
comment = "Failed to add all commands and/or channels"
try:
hwobj_instance._init()
hwobj_instance.init()
class_name = str(hwobj_instance.__module__)
except Exception:
logging.getLogger("HWR").exception(
'Cannot initialize Hardware Object "%s"',
hwobj_name)
self.invalidHardwareObjects.add(hwobj_instance.name())
hwobj_instance = None
comment = "Failed to init class"
else:
if hwobj_instance.name(
) in self.invalidHardwareObjects:
self.invalidHardwareObjects.remove(
hwobj_instance.name())
self.hardwareObjects[
hwobj_instance.name()] = hwobj_instance
else:
logging.getLogger("HWR").error(
"Failed to load Hardware object %s", hwobj_name)
comment = "Loading failed"
else:
logging.getLogger("HWR").error(
'Cannot load Hardware Object "%s" : file not found.',
hwobj_name)
end_time = datetime.now()
time_delta = end_time - start_time
self.hwobj_info_list.append((
hwobj_name,
class_name,
"%d ms" % (time_delta.microseconds / 1000),
comment,
))
return hwobj_instance
def loadHardwareObject(self, hwobj_name=""):
"""
Load a Hardware Object
:param hwobj_name: string name of the Hardware Object to load, for example '/motors/m0'
:return: the loaded Hardware Object, or None if it fails
"""
comment = ""
class_name = ""
hwobj_instance = None
if self.server:
if self.server.isSpecConnected():
try:
if hwobj_name in self.requiredHardwareObjects:
reply_dict = self.requiredHardwareObjects[hwobj_name]
else:
reply_dict = SpecWaitObject.waitReply(
self.server,
'send_msg_chan_read',
('xml_get("%s")' % hwobj_name, ),
timeout=3)
except:
logging.getLogger('HWR').exception(
'Could not load Hardware Object "%s"' % hwobj_name)
else:
try:
#TODO Both variables not used: remove?
xml_data = reply_dict['xmldata']
mtime = int(reply_dict['mtime'])
except KeyError:
logging.getLogger("HWR").error(
"Cannot load Hardware Object %s: file does not exist."
% hwobj_name)
return
else:
logging.getLogger('HWR').error(
'Cannot load Hardware Object "%s" : not connected to server.'
% hwobj_name)
else:
xml_data = ""
for xml_files_path in self.serverAddress:
file_name = hwobj_name[1:] if hwobj_name.startswith(
os.path.sep) else hwobj_name
file_path = os.path.join(xml_files_path, file_name) + \
os.path.extsep + \
"xml"
if os.path.exists(file_path):
try:
xml_data = open(file_path, "r").read()
except:
pass
break
start_time = datetime.now()
if len(xml_data) > 0:
try:
hwobj_instance = self.parseXML(xml_data, hwobj_name)
if type(hwobj_instance) == str:
return self.loadHardwareObject(hwobj_instance)
except:
comment = "Cannot parse xml"
logging.getLogger("HWR").exception(
"Cannot parse XML file for Hardware Object %s", hwobj_name)
else:
if hwobj_instance is not None:
self.xml_source[hwobj_name] = xml_data
dispatcher.send('hardwareObjectLoaded', hwobj_name, self)
def hardwareObjectDeleted(name=hwobj_instance.name()):
logging.getLogger("HWR").debug(
"%s Hardware Object has been deleted from Hardware Repository",
name)
del self.hardwareObjects[name]
hwobj_instance.resolveReferences()
try:
hwobj_instance._addChannelsAndCommands()
except:
logging.getLogger('HWR').exception(
"Error while adding commands and/or channels to Hardware Object %s",
hwobj_name)
comment = "Failed to add all commands and/or channels"
try:
hwobj_instance._init()
hwobj_instance.init()
class_name = str(hwobj_instance.__module__)
except:
logging.getLogger('HWR').exception(
'Cannot initialize Hardware Object "%s"',
hwobj_name)
self.invalidHardwareObjects.add(hwobj_instance.name())
hwobj_instance = None
comment = "Failed to init class"
else:
if hwobj_instance.name(
) in self.invalidHardwareObjects:
self.invalidHardwareObjects.remove(
hwobj_instance.name())
self.hardwareObjects[
hwobj_instance.name()] = hwobj_instance
else:
logging.getLogger("HWR").error(
"Failed to load Hardware object %s", hwobj_name)
comment = "Loading failed"
else:
logging.getLogger('HWR').error(
'Cannot load Hardware Object "%s" : file not found.',
hwobj_name)
end_time = datetime.now()
time_delta = end_time - start_time
self.hwobj_info_list.append(
(hwobj_name, class_name,
"%d ms" % (time_delta.microseconds / 1000), comment))
return hwobj_instance