def query(qname, args=None, rmode="value", echo=False, msg_lvl=2, **kwargs):
"""
Executes a query and returns result based on 'rmode'.
rmode={'value','string',object'}
Raises an exception if an error occurs.
"""
if echo:
print("[Query: %s(%s)]" % (qname, str(args)))
prev_lvl = visit.SuppressMessages(msg_lvl)
if args is None:
qres = visit.Query(qname, **kwargs)
else:
# call w/ args + kwargs
cargs = [qname]
cargs.extend(args)
qres = visit.Query(*cargs, **kwargs)
if qres == 0:
visit.SuppressMessages(prev_lvl)
raise VisItException("Execution of query: '%s' failed." % qname)
if rmode == "value":
res = visit.GetQueryOutputValue()
elif rmode == "string" or rmode == "text" or rmode == "txt":
res = visit.GetQueryOutputString()
elif rmode == "object":
res = visit.GetQueryOutputObject()
else:
visit.SuppressMessages(prev_lvl)
raise VisItException("Unsupported query result mode: %s" % rmode)
visit.SuppressMessages(prev_lvl)
return res
def python_query(source=None,file=None,vars=None,args=[],rmode="value",echo = False, msg_lvl = 2):
"""
Executes a Python Query and returns result based on 'rmode'.
rmode={'value','string',object'}
Rasies an exception if an error occurs.
"""
if echo:
print "[PythonQuery]"
prev_lvl = visit.SuppressMessages(msg_lvl)
kwargs = {}
if not source is None:
kwargs["source"] = source
if not file is None:
kwargs["file"] = file
if not vars is None:
kwargs["vars"] = vars
if len(args) > 0:
kwargs["args"] = args
qres = visit.PythonQuery(**kwargs)
if qres == 0:
visit.SuppressMessages(prev_lvl)
raise VisItException("Execution of PythonQuery failed.")
if rmode == "value":
res = visit.GetQueryOutputValue()
elif rmode == "string":
res = visit.GetQueryOutputString()
elif rmode == "object":
res = visit.GetQueryOutputObject()
else:
visit.SuppressMessages(prev_lvl)
raise VisItException("Unsupported Python Query result mode: %s" % rmode)
visit.SuppressMessages(prev_lvl)
return res