def test_dynamic_var(self):
var = utils.DynamicVar()
self.assertIsNone(var.get())
with var.bind(123):
self.assertEqual(123, var.get())
with var.bind(456):
self.assertEqual(456, var.get())
self.assertEqual(123, var.get())
self.assertIsNone(var.get())
import sys
from pytype import abstract
from pytype import utils
from pytype.pytd import pytd
from pytype.pytd import utils as pytd_utils
# "Error level" enum for distinguishing between warnings and errors:
SEVERITY_WARNING = 1
SEVERITY_ERROR = 2
# The set of known error names.
_ERROR_NAMES = set()
# The current error name, managed by the error_name decorator.
_CURRENT_ERROR_NAME = utils.DynamicVar()
def _error_name(name):
"""Decorate a function so that it binds the current error name."""
_ERROR_NAMES.add(name)
def wrap(func):
def invoke(*args, **kwargs):
with _CURRENT_ERROR_NAME.bind(name):
return func(*args, **kwargs)
return invoke
return wrap