def get_trigger_name(trigger_name):
"""Standardise a trigger name.
E.g. 'foo:fail' becomes 'foo:failed' etc.
"""
for standard_name, alt_names in _ALT_TRIGGER_NAMES.items():
if trigger_name == standard_name or trigger_name in alt_names:
return standard_name
raise TriggerExpressionError(
f"Illegal task trigger name: {trigger_name}")
def _conditional_is_satisfied(self):
"""Evaluate the prerequisite's condition expression.
Does not cache the result.
"""
try:
res = eval(self.conditional_expression)
except (SyntaxError, ValueError) as exc:
err_msg = str(exc)
if str(exc).find("unexpected EOF") != -1:
err_msg += (
" (could be unmatched parentheses in the graph string?)")
raise TriggerExpressionError(
'"%s":\n%s' % (self.get_raw_conditional_expression(), err_msg))
return res
def _conditional_is_satisfied(self):
"""Evaluate the prerequisite's condition expression.
Does not cache the result.
"""
try:
res = eval(self.conditional_expression) # nosec
# * the expression is constructed internally
# * https://github.com/cylc/cylc-flow/issues/4403
except (SyntaxError, ValueError) as exc:
err_msg = str(exc)
if str(exc).find("unexpected EOF") != -1:
err_msg += (
" (could be unmatched parentheses in the graph string?)")
raise TriggerExpressionError(
'"%s":\n%s' % (self.get_raw_conditional_expression(), err_msg))
return res