def _eval_expression(expression, value):
"""Evaluate an expression for a given value.
In case of an error in the execution in the evaluation of the expression,
the safe_eval function from Odoo raises ValueError.
This method adds more context to the exception raised.
:param expression: the expression to eval.
:param value: the value to assign to the `value` attribute of the expression.
"""
try:
return restricted_safe_eval(expression, {'value': value})
except ValueError as err:
error_message = _(
'The following expression could not be evaluated with the value {value}. '
'\n\n{expression}'
'\n\n{err}').format(value=value,
expression=expression,
err=err)
pycompat.reraise(
KarmaConditionEvaluationError,
KarmaConditionEvaluationError(error_message),
sys.exc_info()[2],
)
def convert_exception_to(to_type, with_message=False):
""" Should only be called from an exception handler. Fetches the current
exception data from sys.exc_info() and creates a new exception of type
``to_type`` with the original traceback.
If ``with_message`` is ``True``, sets the new exception's message to be
the stringification of the original exception. If ``False``, does not
set the new exception's message. Otherwise, uses ``with_message`` as the
new exception's message.
:type with_message: str|bool
"""
etype, original, tb = sys.exc_info()
try:
if with_message is False:
message = None
elif with_message is True:
message = str(original)
else:
message = str(with_message)
raise pycompat.reraise(to_type, to_type(message), tb)
except to_type as e:
return e
def convert_exception_to(to_type, with_message=False):
""" Should only be called from an exception handler. Fetches the current
exception data from sys.exc_info() and creates a new exception of type
``to_type`` with the original traceback.
If ``with_message`` is ``True``, sets the new exception's message to be
the stringification of the original exception. If ``False``, does not
set the new exception's message. Otherwise, uses ``with_message`` as the
new exception's message.
:type with_message: str|bool
"""
etype, original, tb = sys.exc_info()
try:
if with_message is False:
message = None
elif with_message is True:
message = str(original)
else:
message = str(with_message)
raise pycompat.reraise(to_type, to_type(message), tb)
except to_type as e:
return e
