def _get_error_str(self, err):
# RETURN ERROR STRING FOR OPC OR COMM ERROR CODE
hr, msg, exc, arg = err
if exc == None:
error_str = str(msg)
else:
scode = exc[5]
try:
opc_err_str = unicode(
self._opc.GetErrorString(scode)).strip('\r\n')
except:
opc_err_str = None
try:
com_err_str = unicode(
pythoncom.GetScodeString(scode)).strip('\r\n')
except:
com_err_str = None
# OPC ERROR AND COMM ERROR OVERLAP, SO WE COMBINE INTO SINGLE
# ERROR MESSAGE
if opc_err_str == None and com_err_str == None:
error_str = str(scode)
elif opc_err_str == com_err_str:
error_str = opc_err_str
elif opc_err_str == None:
error_str = com_err_str
elif com_err_str == None:
error_str = opc_err_str
else:
error_str = '%s (%s)' % (opc_err_str, com_err_str)
return error_str
def _get_error_str(self, err):
"""Return the error string for a OPC or COM error code"""
hr, msg, exc, arg = err.args
if exc == None:
error_str = str(msg)
else:
scode = exc[5]
try:
opc_err_str = str(
self._opc.GetErrorString(scode)).strip('\r\n')
except:
opc_err_str = None
try:
com_err_str = str(
pythoncom.GetScodeString(scode)).strip('\r\n')
except:
com_err_str = None
# OPC error codes and COM error codes are overlapping concepts,
# so we combine them together into a single error message.
if opc_err_str == None and com_err_str == None:
error_str = str(scode)
elif opc_err_str == com_err_str:
error_str = opc_err_str
elif opc_err_str == None:
error_str = com_err_str
elif com_err_str == None:
error_str = opc_err_str
else:
error_str = '%s (%s)' % (opc_err_str, com_err_str)
return error_str
def __init__(
self,
description=None,
scode=None,
source=None,
helpfile=None,
helpContext=None,
desc=None,
hresult=None,
):
"""Initialize an exception
**Params**
description -- A string description for the exception.
scode -- An integer scode to be returned to the server, if necessary.
The pythoncom framework defaults this to be DISP_E_EXCEPTION if not specified otherwise.
source -- A string which identifies the source of the error.
helpfile -- A string which points to a help file which contains details on the error.
helpContext -- An integer context in the help file.
desc -- A short-cut for description.
hresult -- A short-cut for scode.
"""
# convert a WIN32 error into an HRESULT
scode = scode or hresult
if scode and scode != 1: # We dont want S_FALSE mapped!
if scode >= -32768 and scode < 32768:
# this is HRESULT_FROM_WIN32()
scode = -2147024896 | (scode & 0x0000FFFF)
self.scode = scode
self.description = description or desc
if scode == 1 and not self.description:
self.description = "S_FALSE"
elif scode and not self.description:
self.description = pythoncom.GetScodeString(scode)
self.source = source
self.helpfile = helpfile
self.helpcontext = helpContext
# todo - fill in the exception value
pythoncom.com_error.__init__(self, scode, self.description, None, -1)
def GetScodeString(hr):
if not mapiErrorTable:
for name, value in mapi.__dict__.items():
if name[:7] in ['MAPI_E_', 'MAPI_W_']:
mapiErrorTable[value] = name
return mapiErrorTable.get(hr, pythoncom.GetScodeString(hr))
