.flake8

[flake8]
application-import-names = posthog
import-order-style = pycharm

max-complexity = 10

# Error / Violation code details are available at:
#
# - https://pep8.readthedocs.io/en/latest/intro.html#error-codes
# - https://flake8.pycqa.org/en/latest/user/error-codes.html
#
ignore=
    B001, # Do not use bare `except:`.
    B006, # Do not use mutable data structures for argument defaults.
    B008, # Do not perform function calls in argument defaults.
    B009, # Do not call getattr with a constant attribute value, it is not any safer than normal property access.
    B007, # Loop control variable 'i' not used within the loop body. If this is intended, start the name with an underscore
    B011, # Do not call assert False since python -O removes these calls
    B010, # Do not call setattr with a constant attribute value, it is not any safer than normal property access.
    B017, # assertRaises(Exception): should be considered evil
    B019, # Use of `functools.lru_cache` or `functools.cache` on methods can lead to memory leaks.
    B024, # ClickhouseFunnelBase is an abstract base class, but it has no abstract methods. Remember to use @abstractmethod, @abstractclassmethod and/or @abstractproperty decorators.
    C400, # Unnecessary generator - rewrite as a list comprehension
    C401, # Unnecessary generator - rewrite as a set comprehension.
    C403, # Unnecessary list comprehension - rewrite as a set comprehension.
    C405, # Unnecessary list literal - rewrite as a set literal.
    C407, # Unnecessary list comprehension - 'any' can take a generator.
    C408, # Unnecessary dict call - rewrite as a literal.
    C413, # Unnecessary list call around sorted()
    C414, # Unnecessary list call within sorted().
    C416, # Unnecessary list comprehension - rewrite using list().
    C417, # Unnecessary use of map - use a generator expression instead.
    C901, # function complexity
    E203, # whitespace before ‘:’. -- Do not enable. We've disabled all formatting-related errors as 'black' takes care of them for us
    E231, # missing whitespace after ‘,’, ‘;’, or ‘:’. -- Do not enable. We've disabled all formatting-related errors as 'black' takes care of them for us
    E262, # inline comment should start with '# '
    E302, # expected 2 blank lines, found 0. -- Do not enable. we've disabled all formatting-related errors as 'black' takes care of them for us
    E501, # line too long. -- Do not enable. We've disabled all formatting-related errors as 'black' takes care of them for us
    E722, # do not use bare except, specify exception instead
    E731, # do not assign a lambda expression, use a def
    F403, # ‘from module import *’ used; unable to detect undefined names
    F405, # name may be undefined, or defined from star imports: module
    F541, # f-string without any placeholders
    F601, # dictionary key name repeated with different values
    G001, # Logging statement uses string.format()
    G003, # Logging statement uses '+'
    G004, # Logging statement uses f-string
    G010, # Logging statement uses 'warn' instead of 'warning'
    G200, # Logging statement uses exception in arguments
    G201, # Logging: .exception(...) should be used instead of .error(..., exc_info=True)
    I100, # Import statements are in the wrong order.
    I101, # Imported names are in the wrong order
    I201, # Missing newline between import groups.
    I202, # Additional newline in a group of imports
    W503, # line break before binary operator

exclude =
    .git,
    ./plugin-server/node_modules/
    ./plugins/node_modules/
    ./env

per-file-ignores =
    __init__.py:F401
    ./posthog/queries/column_optimizer/column_optimizer.py:F401
    ./posthog/queries/cohort_query.py:F401
    ./cypress/wait.py: T201
    ./docker-compose-config.py: T201
    ./posthog/client.py: T201
    ./ee/clickhouse/generate_local.py: T201
    ./posthog/management/commands/migrate_clickhouse.py: T201
    ./posthog/management/commands/run_async_migrations.py: T201
    ./posthog/management/commands/backfill_persons_and_groups_on_events.py: T201
    ./gunicorn.config.py: T201
    ./posthog/api/capture.py: T201
    ./posthog/apps.py: T201
    ./posthog/celery.py: T201
    ./posthog/demo/matrix/manager.py: T201
    ./posthog/demo/matrix/matrix.py: T201
    ./posthog/email.py: T201
    ./posthog/management/commands/api_keys.py: T201
    ./posthog/management/commands/merge_distinct_emails.py: T201
    ./posthog/management/commands/migrate_elementgroup.py: T201
    ./posthog/management/commands/notify_helm_install.py: T201 T203
    ./posthog/management/commands/partition.py: T201
    ./posthog/management/commands/generate_demo_data.py: T201
    ./posthog/management/commands/sync_feature_flags.py: T201
    ./posthog/management/commands/test_migrations_are_safe.py: T201
    ./posthog/migrations/0027_move_elements_to_group.py: T201
    ./posthog/migrations/0038_migrate_actions_to_precalculate_events.py: T201
    ./posthog/models/plugin.py: T201
    ./posthog/settings/overrides.py: T201
    ./posthog/utils.py: T201
    ./posthog/async_migrations/test/test_migrations_not_required.py: T201