def check_condition(self, condition, entry):
"""Checks if a given `entry` passes `condition`"""
# Make entry fields and other utilities available in the eval namespace
# We need our namespace to be an Entry instance for lazy loading to work
eval_locals = copy(entry)
eval_locals.update(
{
'has_field': lambda f: f in entry,
'timedelta': datetime.timedelta,
'utcnow': datetime.datetime.utcnow(),
'now': datetime.datetime.now(),
}
)
try:
# Restrict eval namespace to have no globals and locals only from eval_locals
passed = evaluate_expression(condition, eval_locals)
if passed:
log.debug('%s matched requirement %s' % (entry['title'], condition))
return passed
except UndefinedError as e:
# Extract the name that did not exist
missing_field = e.args[0].split('\'')[1]
log.debug('%s does not contain the field %s' % (entry['title'], missing_field))
except Exception as e:
log.error('Error occurred while evaluating statement `%s`. (%s)' % (condition, e))
def check_condition(self, condition, entry):
"""Checks if a given `entry` passes `condition`"""
# Make entry fields and other utilities available in the eval namespace
# We need our namespace to be an Entry instance for lazy loading to work
eval_locals = copy(entry)
eval_locals.update({
'has_field': lambda f: f in entry,
'timedelta': datetime.timedelta,
'utcnow': datetime.datetime.utcnow(),
'now': datetime.datetime.now(),
})
try:
# Restrict eval namespace to have no globals and locals only from eval_locals
passed = evaluate_expression(condition, eval_locals)
if passed:
log.debug('%s matched requirement %s' %
(entry['title'], condition))
return passed
except UndefinedError as e:
# Extract the name that did not exist
missing_field = e.args[0].split('\'')[1]
log.debug('%s does not contain the field %s' %
(entry['title'], missing_field))
except Exception as e:
log.error('Error occurred while evaluating statement `%s`. (%s)' %
(condition, e))
def sort_key(entry):
val = evaluate_expression(field, entry)
if isinstance(val, str) and re_articles:
val = re.sub(re_articles, '', val, flags=re.IGNORECASE)
# Sort None values last no matter whether reversed or not
return (val is not None) == reverse, val
