depot/third_party/nixpkgs/pkgs/development/python-modules/twisted/default.nix

{
  lib,
  stdenv,
  buildPythonPackage,
  pythonOlder,
  fetchPypi,
  fetchpatch,
  python,

  # build-system
  hatchling,
  hatch-fancy-pypi-readme,

  # dependencies
  attrs,
  automat,
  constantly,
  hyperlink,
  incremental,
  typing-extensions,
  zope-interface,

  # optional-dependencies
  appdirs,
  bcrypt,
  cryptography,
  h2,
  idna,
  priority,
  pyasn1,
  pyopenssl,
  pyserial,
  service-identity,

  # tests
  cython-test-exception-raiser,
  git,
  glibcLocales,
  pyhamcrest,
  hypothesis,

  # for passthru.tests
  cassandra-driver,
  klein,
  magic-wormhole,
  scrapy,
  treq,
  txaio,
  txamqp,
  txrequests,
  txtorcon,
  thrift,
  nixosTests,
}:

buildPythonPackage rec {
  pname = "twisted";
  version = "24.3.0";
  format = "pyproject";

  disabled = pythonOlder "3.6";

  src = fetchPypi {
    inherit pname version;
    extension = "tar.gz";
    hash = "sha256-azi27Ocpa14SLJ6xfaLuqz2YoZj1DKnv0A+wPltP1K4=";
  };

  patches = [
    (fetchpatch {
      # Conditionally skip tests that require METHOD_CRYPT
      # https://github.com/twisted/twisted/pull/11827
      url = "https://github.com/mweinelt/twisted/commit/e69e652de671aac0abf5c7e6c662fc5172758c5a.patch";
      hash = "sha256-LmvKUTViZoY/TPBmSlx4S9FbJNZfB5cxzn/YcciDmoI=";
    })
  ];

  __darwinAllowLocalNetworking = true;

  nativeBuildInputs = [
    hatchling
    hatch-fancy-pypi-readme
    incremental
  ];

  propagatedBuildInputs = [
    attrs
    automat
    constantly
    hyperlink
    incremental
    typing-extensions
    zope-interface
  ];

  postPatch =
    ''
      echo 'ListingTests.test_localeIndependent.skip = "Timezone issue"'>> src/twisted/conch/test/test_cftp.py
      echo 'ListingTests.test_newFile.skip = "Timezone issue"'>> src/twisted/conch/test/test_cftp.py
      echo 'ListingTests.test_newSingleDigitDayOfMonth.skip = "Timezone issue"'>> src/twisted/conch/test/test_cftp.py
      echo 'ListingTests.test_oldFile.skip = "Timezone issue"'>> src/twisted/conch/test/test_cftp.py
      echo 'ListingTests.test_oldSingleDigitDayOfMonth.skip = "Timezone issue"'>> src/twisted/conch/test/test_cftp.py

      echo 'WrapClientTLSParserTests.test_tls.skip = "pyopenssl update"' >> src/twisted/internet/test/test_endpoints.py
      echo 'UNIXTestsBuilder_AsyncioSelectorReactorTests.test_sendFileDescriptorTriggersPauseProducing.skip = "sendFileDescriptor producer was not paused"'>> src/twisted/internet/test/test_unix.py
      echo 'UNIXTestsBuilder_SelectReactorTests.test_sendFileDescriptorTriggersPauseProducing.skip = "sendFileDescriptor producer was not paused"'>> src/twisted/internet/test/test_unix.py

      echo 'FileObserverTests.test_getTimezoneOffsetEastOfUTC.skip = "mktime argument out of range"'>> src/twisted/test/test_log.py
      echo 'FileObserverTests.test_getTimezoneOffsetWestOfUTC.skip = "mktime argument out of range"'>> src/twisted/test/test_log.py
      echo 'FileObserverTests.test_getTimezoneOffsetWithoutDaylightSavingTime.skip = "tuple differs, values not"'>> src/twisted/test/test_log.py

      echo 'FileDescriptorTests.test_expectedFDs.skip = "Expected duplicate file descriptor to be greater than original"' >> src/twisted/internet/test/test_posixprocess.py

      echo 'MulticastTests.test_joinLeave.skip = "No such device"'>> src/twisted/test/test_udp.py
      echo 'MulticastTests.test_loopback.skip = "No such device"'>> src/twisted/test/test_udp.py
      echo 'MulticastTests.test_multicast.skip = "Reactor was unclean"'>> src/twisted/test/test_udp.py
      echo 'MulticastTests.test_multiListen.skip = "No such device"'>> src/twisted/test/test_udp.py

      # fails since migrating to libxcrypt
      echo 'HelperTests.test_refuteCryptedPassword.skip = "OSError: Invalid argument"' >> src/twisted/conch/test/test_checkers.py

      # expectation mismatch with `python -m twisted --help` and `python -m twisted.trial --help` usage output
      echo 'MainTests.test_twisted.skip = "Expectation Mismatch"' >> src/twisted/test/test_main.py
      echo 'MainTests.test_trial.skip = "Expectation Mismatch"' >> src/twisted/test/test_main.py

      # tests for missing https support in usage
      echo 'ServiceTests.test_HTTPSFailureOnMissingSSL.skip = "Expectation Mismatch"' >> src/twisted/web/test/test_tap.py

      # fail on Python 3.12
      echo 'WorkerReporterTests.test_addSkipPyunit.skip = "'WorkerReporter' object has no attribute '_testStarted'"' >> src/twisted/trial/_dist/test/test_workerreporter.py
      echo 'LocalWorkerAMPTests.test_runSkip.skip = "twisted.protocols.amp.UnknownRemoteError: Code<UNKNOWN>: Unknown Error"' >> src/twisted/trial/_dist/test/test_worker.py

      # https://github.com/twisted/twisted/issues/12194
      echo 'FlattenerErrorTests.test_asynchronousFlattenError.skip = "builtins.KeyError: 'root'"' >> src/twisted/web/test/test_flatten.py
      echo 'FlattenerErrorTests.test_cancel.skip = "builtins.KeyError: 'root'"' >> src/twisted/web/test/test_flatten.py

      # not packaged
      substituteInPlace src/twisted/test/test_failure.py \
        --replace "from cython_test_exception_raiser import raiser  # type: ignore[import]" "raiser = None"
    ''
    + lib.optionalString stdenv.isLinux ''
      echo 'PTYProcessTestsBuilder_EPollReactorTests.test_openFileDescriptors.skip = "invalid syntax"'>> src/twisted/internet/test/test_process.py
      echo 'PTYProcessTestsBuilder_PollReactorTests.test_openFileDescriptors.skip = "invalid syntax"'>> src/twisted/internet/test/test_process.py
      echo 'UNIXTestsBuilder_EPollReactorTests.test_sendFileDescriptorTriggersPauseProducing.skip = "sendFileDescriptor producer was not paused"'>> src/twisted/internet/test/test_unix.py
      echo 'UNIXTestsBuilder_PollReactorTests.test_sendFileDescriptorTriggersPauseProducing.skip = "sendFileDescriptor producer was not paused"'>> src/twisted/internet/test/test_unix.py

      # Patch t.p._inotify to point to libc. Without this,
      # twisted.python.runtime.platform.supportsINotify() == False
      substituteInPlace src/twisted/python/_inotify.py --replace \
        "ctypes.util.find_library(\"c\")" "'${stdenv.cc.libc}/lib/libc.so.6'"
    ''
    + lib.optionalString stdenv.isDarwin ''
      echo 'ProcessTestsBuilder_AsyncioSelectorReactorTests.test_openFileDescriptors.skip = "invalid syntax"'>> src/twisted/internet/test/test_process.py
      echo 'ProcessTestsBuilder_SelectReactorTests.test_openFileDescriptors.skip = "invalid syntax"'>> src/twisted/internet/test/test_process.py
      echo 'ProcessTestsBuilder_AsyncioSelectorReactorTests.test_processEnded.skip = "exit code 120"' >> src/twisted/internet/test/test_process.py
      echo 'ProcessTestsBuilder_SelectReactorTests.test_processEnded.skip = "exit code 120"' >> src/twisted/internet/test/test_process.py
    '';

  # Generate Twisted's plug-in cache. Twisted users must do it as well. See
  # http://twistedmatrix.com/documents/current/core/howto/plugin.html#auto3
  # and http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=477103 for details.
  postFixup = lib.optionalString (stdenv.buildPlatform.canExecute stdenv.hostPlatform) ''
    $out/bin/twistd --help > /dev/null
  '';

  nativeCheckInputs =
    [
      cython-test-exception-raiser
      git
      glibcLocales
      hypothesis
      pyhamcrest
    ]
    ++ passthru.optional-dependencies.conch
    ++ passthru.optional-dependencies.http2
    ++ passthru.optional-dependencies.serial
    # not supported on aarch64-darwin: https://github.com/pyca/pyopenssl/issues/873
    ++ lib.optionals (!(stdenv.isDarwin && stdenv.isAarch64)) passthru.optional-dependencies.tls;

  checkPhase = ''
    export SOURCE_DATE_EPOCH=315532800
    export PATH=$out/bin:$PATH
    # race conditions when running in paralell
    ${python.interpreter} -m twisted.trial -j1 twisted
  '';

  passthru = {
    optional-dependencies = {
      conch = [
        appdirs
        bcrypt
        cryptography
        pyasn1
      ];
      http2 = [
        h2
        priority
      ];
      serial = [ pyserial ];
      tls = [
        idna
        pyopenssl
        service-identity
      ];
    };

    tests = {
      inherit
        cassandra-driver
        klein
        magic-wormhole
        scrapy
        treq
        txaio
        txamqp
        txrequests
        txtorcon
        thrift
        ;
      inherit (nixosTests) buildbot matrix-synapse;
    };
  };

  meta = with lib; {
    changelog = "https://github.com/twisted/twisted/blob/twisted-${version}/NEWS.rst";
    homepage = "https://github.com/twisted/twisted";
    description = "Asynchronous networking framework written in Python";
    license = licenses.mit;
    maintainers = [ ];
  };
}