.flake8

[flake8]
# References:
#   https://flake8.readthedocs.io/en/latest/user/configuration.html
#   https://flake8.readthedocs.io/en/latest/user/error-codes.html
#   https://pycodestyle.readthedocs.io/en/latest/intro.html#error-codes

max-line-length = 80
max-complexity = 50
select = C,E,F,W,B,B950
ignore =
    # E203: whitespace before ':'
    E203,
    # E226: missing whitespace around arithmetic operator
    E226,
    # E231: missing whitespace after ',', ';', or ':'
    E231,
    # E402: module level imports on one line
    E402,
    # E501: line too long
    E501,
    # E731: do not assign a lambda expression, use a def
    E731,
    # W503: line break before binary operator
    W503,
    # W504: line break after binary operator
    W504,
exclude =
    #
    # ignore the following directories
    #
    .eggs,
    build,
    docs/src/sphinxext/*,
    tools/*,
    benchmarks/*,
    #
    # ignore auto-generated files
    #
    _ff_cross_refrences.py,
    std_names.py,
    um_cf_map.py,
    #
    # ignore third-party files
    #
    gitwash_dumper.py,
    #
    # convenience imports
    #
    lib/iris/common/__init__.py