GitHub Action to lint Python

[cclauss]

Confirm that bandit, codespell, flake8, pytest, and safety pass on all pull requests.

Test results: https://github.com/cclauss/warcprox/actions

The last Travis CI run was a year ago... https://travis-ci.org/github/internetarchive/warcprox/builds

============================= test session starts ============================== platform linux -- Python 3.10.5, pytest-7.1.2, pluggy-1.0.0 -- /opt/hostedtoolcache/Python/3.10.5/x64/bin/python cachedir: .pytest_cache rootdir: /home/runner/work/warcprox/warcprox, configfile: setup.cfg, testpaths: tests collecting ... collected 42 items tests/test_dedup.py::test_cdx_dedup PASSED [ 2%] tests/test_ensure_rethinkdb_tables.py::test_individual_options SKIPPED [ 4%] tests/test_ensure_rethinkdb_tables.py::test_combos SKIPPED (rethinkd...) [ 7%] tests/test_warcprox.py::test_httpds_no_proxy PASSED [ 9%] tests/test_warcprox.py::test_archive_and_playback_http_url PASSED [ 11%] tests/test_warcprox.py::test_archive_and_playback_https_url PASSED [ 14%] tests/test_warcprox.py::test_dedup_http PASSED [ 16%] tests/test_warcprox.py::test_dedup_https PASSED [ 19%] tests/test_warcprox.py::test_limits PASSED [ 21%] tests/test_warcprox.py::test_return_capture_timestamp PASSED [ 23%] tests/test_warcprox.py::test_dedup_buckets PASSED [ 26%] tests/test_warcprox.py::test_dedup_buckets_readonly PASSED [ 28%] tests/test_warcprox.py::test_dedup_bucket_concurrency PASSED [ 30%] tests/test_warcprox.py::test_block_rules PASSED [ 33%] tests/test_warcprox.py::test_domain_doc_soft_limit PASSED [ 35%] tests/test_warcprox.py::test_domain_data_soft_limit PASSED [ 38%] tests/test_warcprox.py::test_tor_onion XFAIL [ 40%] tests/test_warcprox.py::test_missing_content_length PASSED [ 42%] tests/test_warcprox.py::test_limit_large_resource PASSED [ 45%] tests/test_warcprox.py::test_method_filter PASSED [ 47%] tests/test_warcprox.py::test_dedup_ok_flag PASSED [ 50%] tests/test_warcprox.py::test_status_api PASSED [ 52%] tests/test_warcprox.py::test_svcreg_status PASSED [ 54%] tests/test_warcprox.py::test_controller_with_defaults PASSED [ 57%] tests/test_warcprox.py::test_load_plugin PASSED [ 59%] tests/test_warcprox.py::test_choose_a_port_for_me PASSED [ 61%] tests/test_warcprox.py::test_via_response_header PASSED [ 64%] tests/test_warcprox.py::test_slash_in_warc_prefix PASSED [ 66%] tests/test_warcprox.py::test_crawl_log PASSED [ 69%] tests/test_warcprox.py::test_crawl_log_canonicalization PASSED [ 71%] tests/test_warcprox.py::test_long_warcprox_meta PASSED [ 73%] tests/test_warcprox.py::test_socket_timeout_response PASSED [ 76%] tests/test_warcprox.py::test_empty_response PASSED [ 78%] tests/test_warcprox.py::test_payload_digest PASSED [ 80%] tests/test_warcprox.py::test_dedup_min_text_size PASSED [ 83%] tests/test_warcprox.py::test_dedup_min_binary_size PASSED [ 85%] tests/test_warcprox.py::test_incomplete_read PASSED [ 88%] tests/test_writer.py::test_warc_writer_locking PASSED [ 90%] tests/test_writer.py::test_special_dont_write_prefix PASSED [ 92%] tests/test_writer.py::test_do_not_archive PASSED [ 95%] tests/test_writer.py::test_warc_writer_filename PASSED [ 97%] tests/test_writer.py::test_close_for_prefix PASSED [100%] ============ 39 passed, 2 skipped, 1 xfailed, 71 warnings in 53.28s ===========