def handle_expression(resulttag, json_output, logger):
result = None
if resulttag.startswith('(') and resulttag.endswith(')'):
express = resulttag[resulttag.find("(")+1:resulttag.find(")")]
for tag in json_output:
logger.DEBUG('is tag %s in express %s' % (tag, express))
if tag in express:
if json_output[tag] != None:
express = express.replace(tag, json_output[tag])
else:
return None
try:
logger.DEBUG('try eval of <%s>' % express)
result = evalExpress.eval_expr(express)
except:
logger.ERROR('could not evaluation %s, which became %s' % (resulttag, express))
sys.exit(1)
else:
logger.ERROR('handleExpress called with %s, expected expression in parens' % resulttag)
return result
def validate_parameter_result(parameter_list, resultidlist, goals, inputtag):
validate_ok = True
use_target = ""
if "." in inputtag:
(use_target, inputtagstring) = inputtag.split('.')
if use_target == "":
use_target = "result"
inputtagstring = inputtag
if use_target == "parameter" or use_target == "parameter_ascii":
if inputtagstring not in parameter_list:
validate_ok = False
elif use_target == "result":
if inputtagstring not in resultidlist:
# handle expression here
if inputtagstring.startswith('(') and inputtagstring.endswith(')'):
express = inputtagstring[inputtagstring.find("(") +
1:inputtagstring.find(")")]
for tag in resultidlist:
labutils.logger.debug('is tag %s in express %s' %
(tag, express))
if tag in express:
# Replace each occurence of tag with 2
express = express.replace(tag, "2")
try:
labutils.logger.debug('try eval of <%s>' % express)
result = evalExpress.eval_expr(express)
except:
labutils.logger.error(
'could not evaluation %s, which became %s' %
(inputtagstring, express))
validate_ok = False
else:
labutils.logger.error('invalid tag %s' % inputtagstring)
validate_ok = False
else:
validate_ok = False
return validate_ok