def is_in_migrations(node):
"""
RunPython() migrations receive forward/backwards functions with signature:
def func(apps, schema_editor):
which could be unused. This augmentation will suppress all 'unused-argument'
messages coming from functions in migration modules.
"""
return is_migrations_module(node.parent)
def visit_call(self, node):
try:
module = node.frame().parent
except: # noqa: E722, pylint: disable=bare-except
return
if not is_migrations_module(module):
return
if _is_addfield_with_default(node):
if module not in self._possible_offences:
self._possible_offences[module] = []
if node not in self._possible_offences[module]:
self._possible_offences[module].append(node)
def visit_call(self, node):
try:
module = node.frame().parent
except: # noqa: E722, pylint: disable=bare-except
return
if not is_migrations_module(module):
return
if node.func.as_string().endswith('RunPython') and len(node.args) < 2:
if node.keywords:
for keyword in node.keywords:
if keyword.arg == 'reverse_code':
return
self.add_message('missing-backwards-migration-callable',
node=node)
else:
self.add_message('missing-backwards-migration-callable',
node=node)
def visit_module(self, node):
if is_migrations_module(node):
self._migration_modules.append(node)