anchor.diff: -{ lib, stdenv
  +{ lib
  +, stdenv
   , buildPythonPackage
   , pythonOlder
   , fetchPypi
   , python
  -, zope_interface
  +, appdirs
  +, attrs
  +, automat
  +, bcrypt
  +, constantly
  +, contextvars
  +, cryptography
  +, git
  +, glibcLocales
  +, h2
  +, hyperlink
  +, idna
   , incremental
  -, automat
  -, constantly
  -, hyperlink
  +, priority
  +, pyasn1
   , pyhamcrest
  -, attrs
  +, pynacl
   , pyopenssl
  +, pyserial
   , service-identity
   , setuptools
  -, idna
   , typing-extensions
  -, pyasn1
  -, cryptography
  -, appdirs
  -, bcrypt
  -, pynacl
  -, pyserial
  -, h2
  -, priority
  -, contextvars
  +, zope_interface
   }:
  +
   buildPythonPackage rec {
  -  pname = "Twisted";
  +  pname = "twisted";
     version = "22.4.0";
   
     disabled = pythonOlder "3.6";
  
positive.code:       and licensed under the MIT license.
      '';
      license = licenses.mit;
      maintainers = [ ];
    };
  }
  
negative.code:     contextvars = lib.optionals (pythonOlder "3.7") [ contextvars ];
    };
  
    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 'PTYProcessTestsBuilder_AsyncioSelectorReactorTests.test_openFileDescriptors.skip = "invalid syntax"'>> src/twisted/internet/test/test_process.py
      echo 'PTYProcessTestsBuilder_SelectReactorTests.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_AsyncioSelectorReactorTests.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
      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 '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
  
      echo 'DomishExpatStreamTests.test_namespaceWithWhitespace.skip = "syntax error: line 1, column 0"'>> src/twisted/words/test/test_domish.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 'UNIXTestsBuilder_EPollReactorTests.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.glibc.out}/lib/libc.so.6'"
    '';
  
    # 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 = ''
      $out/bin/twistd --help > /dev/null
    '';
  
    checkInputs = [
      git
      glibcLocales
      pyhamcrest
    ] ++ passthru.extras.conch
    ++ passthru.extras.tls;
  
    checkPhase = ''
      export SOURCE_DATE_EPOCH=315532800
      export PATH=$out/bin:$PATH
      # race conditions when running in paralell
      ${python.interpreter} -m twisted.trial twisted
    '';
  
    meta = with lib; {
      homepage = "https://github.com/twisted/twisted";
  