def test_nonpython_dollars_source(self, src):
parsed = matcher.parse_ast(src)
m = base_matchers.Bind('bound', ast_matchers.Call())
[matchinfo] = matcher.find_iter(m, parsed)
self.assertEqual(
src,
syntactic_template.PythonExprTemplate('$bound').substitute_match(
parsed, matchinfo.match, {'bound': matchinfo.match}))
message=
'Use logging.exception inside an except handler to automatically log the full stack trace of the error',
url=
'https://refex.readthedocs.io/en/latest/guide/fixers/logging_exceptions.html',
significant=True,
category=_LOGGING_EXCEPTION_CATEGORY,
matcher=base_matchers.AllOf(
ast_matchers.Call(
func=base_matchers.Bind(
'logging_error',
syntax_matchers.ExprPattern('logging.error')),
args=base_matchers.Contains(
base_matchers.AllOf(
_in_exception_handler(
'e',
on_conflict=matcher_.BindConflict.MERGE_IDENTICAL),
ast_matchers.Name(id=base_matchers.Bind(
'e',
on_conflict=matcher_.BindConflict.MERGE_IDENTICAL))
)),
keywords=base_matchers.Unless(
base_matchers.Contains(
ast_matchers.keyword(arg='exc_info'))),
), ),
replacement=dict(logging_error=syntactic_template.PythonStmtTemplate(
'logging.exception')),
example_fragment=textwrap.dedent("""
try:
x = bar() + baz()
except KeyError as e:
logging.error('Bad thing happened: %s', e)
def test_nonparent_ancestor_hasparent(self):
m = base_matchers.AllOf(ast_matchers.Num(),
syntax_matchers.HasParent(ast_matchers.Call()))
self.assertEqual(self.get_all_match_strings(m, 'foo(x + 1)'), [])
def test_nonparent_ancestor(self, matcher_type):
m = base_matchers.AllOf(ast_matchers.Num(),
matcher_type(ast_matchers.Call()))
self.assertEqual(self.get_all_match_strings(m, 'foo(x + 1)'), ['1'])
def test_nonchild_descendant_haschild(self):
m = base_matchers.AllOf(ast_matchers.Call(),
syntax_matchers.HasChild(ast_matchers.Num()))
self.assertEqual(self.get_all_match_strings(m, 'foo(x + 1)'), [])
def test_nonchild_descendant(self, matcher_type):
m = base_matchers.AllOf(ast_matchers.Call(),
matcher_type(ast_matchers.Num()))
self.assertEqual(self.get_all_match_strings(m, 'foo(x + 1)'),
['foo(x + 1)'])