[flake8]
max-line-length = 120
max-doc-length = 100
select = B,C,E,F,W,Y,SIM
ignore =
    # E203: whitespace before ':'
    # W503: line break before binary operator
    # W504: line break after binary operator
    # format by black
    E203,W503,W504,
    # E501: line too long
    # W505: doc line too long
    # too long docstring due to long example blocks
    E501,W505,
per-file-ignores =
    # F401: module imported but unused
    # intentionally unused imports
    __init__.py: F401
    # F401: module imported but unused
    # F403: unable to detect undefined names
    # F405: member mey be undefined, or defined from star imports
    # members populated from optree
    # E301: expected 1 blank line
    # E302: expected 2 blank lines
    # E305: expected 2 blank lines after class or function definition
    # E701: multiple statements on one line (colon)
    # E704: multiple statements on one line (def)
    # format by black
    *.pyi: E301,E302,E305,E701,E704
exclude =
    .git,
    .vscode,
    venv,
    third-party,
    __pycache__,
    docs/source/conf.py,
    build,
    dist,
    examples,
    tests