openstack/cinder
Code Issues Proposed changes

Cleanup lintstack exceptions related to objects

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Pylint doesn't like our cinder.objects namespace that is populated
dynamically and shows numerous errors for non-existing members of that
namespace. To fight this we've added multiple pylint exceptions like
"Module 'cinder.objects' has no 'Backup' member". New additions were
needed in case of new objects introduction or first usages of them.

This commit switches these exceptions to a regexp to make sure no new
additions will be needed in the future. Furthermore it moves some
non-object related messages into a general exception list.

Change-Id: I6252d3447f8793d4acd666265a59887e637ce614
This commit is contained in:
Michał Dulko 2016-09-27 10:24:54 +02:00
parent 4e2e29d1e5
commit 073d824deb
1 changed files with 12 additions and 36 deletions
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48
tools/lintstack.py
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@ -59,11 +59,16 @@ ignore_messages = [
# during runtime.
"Class 'ConsistencyGroup' has no '__table__' member",
"Class 'Cgsnapshot' has no '__table__' member",
"Class 'Group' has no '__table__' member",
"Class 'GroupSnapshot' has no '__table__' member",
# NOTE(xyang): this error message is for code [E1120] when checking if
# there are already 'groups' entries in 'quota_classes' `in DB migration
# (078_add_groups_and_group_volume_type_mapping_table).
"No value passed for parameter 'functions' in function call",
# NOTE(dulek): This one is related to objects.
"No value passed for parameter 'id' in function call",
]
# Note(maoy): We ignore cinder.tests for now due to high false
@ -77,40 +82,10 @@ ignore_modules = ["cinder/tests/"]
# non-existent member of an object, but should be ignored because the object
# member is created dynamically.
objects_ignore_codes = ["E0213", "E1101", "E1102"]
# Note(thangp): The error messages are for codes [E1120, E1101] appearing in
# the cinder code base using objects. E1120 is an error code related no value
# passed for a parameter in function call, but should be ignored because it is
# reporting false positives. E1101 is error code related to accessing a
# non-existent member of an object, but should be ignored because the object
# member is created dynamically.
objects_ignore_messages = [
"No value passed for parameter 'id' in function call",
"Module 'cinder.objects' has no 'Backup' member",
"Module 'cinder.objects' has no 'BackupImport' member",
"Module 'cinder.objects' has no 'BackupList' member",
"Module 'cinder.objects' has no 'CGSnapshot' member",
"Module 'cinder.objects' has no 'CGSnapshotList' member",
"Module 'cinder.objects' has no 'ConsistencyGroup' member",
"Module 'cinder.objects' has no 'ConsistencyGroupList' member",
"Module 'cinder.objects' has no 'QualityOfServiceSpecs' member",
"Module 'cinder.objects' has no 'QualityOfServiceSpecsList' member",
"Module 'cinder.objects' has no 'RequestSpec' member",
"Module 'cinder.objects' has no 'Service' member",
"Module 'cinder.objects' has no 'ServiceList' member",
"Module 'cinder.objects' has no 'Snapshot' member",
"Module 'cinder.objects' has no 'SnapshotList' member",
"Module 'cinder.objects' has no 'Volume' member",
"Module 'cinder.objects' has no 'VolumeList' member",
"Module 'cinder.objects' has no 'VolumeProperties' member",
"Module 'cinder.objects' has no 'VolumeType' member",
"Module 'cinder.objects' has no 'VolumeTypeList' member",
"Module 'cinder.objects' has no 'Group' member",
"Module 'cinder.objects' has no 'GroupList' member",
"Module 'cinder.objects' has no 'GroupSnapshot' member",
"Module 'cinder.objects' has no 'GroupSnapshotList' member",
"Class 'Group' has no '__table__' member",
"Class 'GroupSnapshot' has no '__table__' member",
]
# NOTE(dulek): We're ignoring messages related to non-existent objects in
# cinder.objects namespace. This is because this namespace is populated when
# registering the objects, and pylint is unable to detect that.
objects_ignore_regexp = "Module 'cinder.objects' has no '.*' member"
objects_ignore_modules = ["cinder/objects/"]
KNOWN_PYLINT_EXCEPTIONS_FILE = "tools/pylint_exceptions"
@ -165,8 +140,9 @@ class LintOutput(object):
return True
if any(self.filename.startswith(name) for name in ignore_modules):
return True
if any(msg in self.message for msg in
(ignore_messages + objects_ignore_messages)):
if any(msg in self.message for msg in ignore_messages):
return True
if re.match(objects_ignore_regexp, self.message):
return True
if (self.code in objects_ignore_codes and
any(self.filename.startswith(name)