./net/py-twisted, Framework for writing networked applications

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Branch: CURRENT, Version: 19.10.0, Package name: py37-twisted-19.10.0, Maintainer: pkgsrc-users

Twisted is a framework, written in Python, for writing networked applications.
It includes implementations of a number of commonly used network services such
as a web server, an IRC chat server, a mail server, a relational database
interface and an object broker. Developers can build applications using all of
these services as well as custom services that they write themselves. Twisted
also includes a user authentication system that controls access to services
and provides services with user context information to implement their own
security models.


Required to run:
[security/py-OpenSSL] [devel/py-setuptools] [devel/py-ZopeInterface] [www/py-idna] [security/py-service_identity] [devel/py-attrs] [devel/py-incremental] [devel/py-constantly] [devel/py-automat] [www/py-hyperlink] [lang/python37] [devel/py-hamcrest]

Required to build:
[pkgtools/cwrappers]

Master sites:

SHA1: 38a7f1b9c63ba0d2db553e2d210af2fd01b3ed21
RMD160: d1c3684e564f13f554f08656ec2a03f725796505
Filesize: 3045.396 KB

Version history: (Expand)


CVS history: (Expand)


   2020-02-06 16:46:13 by Adam Ciarcinski | Files touched by this commit (1)
Log message:
py-twisted: fix pkglint warnings
   2020-02-06 16:44:58 by Adam Ciarcinski | Files touched by this commit (5) | Package updated
Log message:
py-twisted: updated to 19.10.0

Twisted 19.10.0:

Features
- twisted.trial.successResultOf, twisted.trial.failureResultOf, and
  twisted.trial.assertNoResult accept coroutines as well as Deferreds.

Bugfixes
- Fixed circular import in twisted.trial.reporter, introduced in Twisted 16.0.0.
- The POP3 server implemented by twisted.mail.pop3 now accepts passwords that \ 
contain spaces.
- Incoming HTTP/2 connections will now not time out if they persist for longer \ 
than one minute.
- The serial extra now requires pywin32 on Windows enabling use of \ 
twisted.internet.serialport without specifying the windows_platform extra.

Bugfixes
- twisted.conch.ssh.keys now correctly writes the "iqmp" parameter in \ 
serialized RSA private keys as q^-1 mod p rather than p^-1 mod q.

Features
- twisted.web.server.Request will now use \ 
twisted.web.server.Site.getContentFile, if it exists, to get a file into which \ 
to write request content.  If getContentFile is not provided by the site, it \ 
will fall back to the previous behavior of using io.BytesIO for small requests \ 
and tempfile.TemporaryFile for large ones.

Bugfixes
- twisted.web.client.FileBodyProducer will now stop producing when the Deferred \ 
returned by FileBodyProducer.startProducing is cancelled.
- The HTTP/2 server implementation now enforces TCP flow control on control \ 
frame messages and times out clients that send invalid data without reading \ 
responses.  This closes CVE-2019-9512 (Ping Flood), CVE-2019-9514 (Reset Flood), \ 
and CVE-2019-9515 (Settings Flood).  Thanks to Jonathan Looney and Piotr Sikora.

Twisted 19.7.0:

Features
- The callable argument to twisted.internet.task.deferLater() is no longer required.
- Twisted's minimum Cryptography requirement is now 2.5.
- twisted.internet.utils.getProcessOutputAndValue now accepts `stdinBytes` to \ 
write to the child process's standard input.
- Add new twisted.logger.capturedLogs context manager for capturing observed log \ 
events in tests.
- twisted.internet.base.PluggableResolverMixin, which implements the pluggable \ 
resolver interfaces for easier re-use in other reactors, has been factored out \ 
of ReactorBase.
- The PyPI page for Twisted has been enhanced to include more information and \ 
useful links.

Bugfixes
- twisted.internet.endpoints is now importable on Windows when pywin32 is not \ 
installed.
- twisted.conch.ssh now generates correct keys when using hmac-sha2-512 with \ 
SHA1 based KEX algorithms.
- twisted.internet.iocpreactor.abstract.FileHandle no longer duplicates/looses \ 
outgoing data when .write() is called in rapid succession with large payloads
- twisted.application.backoffPolicy will not fail on connection attempts > \ 
1750 with default settings.
- Trial on Python 3 will now properly re-raise ImportErrors that occur during \ 
the import of a module, rather than saying the module doesn't exist.
- twisted.internet.process does not fail on import when the process has more \ 
than 1024 file descriptors opened.
- Add the stackLevel keyword argument to \ 
twisted.logger.STDLibLogObserver._findCaller to fix an incompatibility with \ 
Python 3.8.

Improved Documentation
- Fix the incorrect docstring for \ 
twisted.python.components.Componentized.addComponent which stated that the \ 
function returned a list of interfaces, even though the function doesn't \ 
actually do so.

Deprecations and Removals
- twisted.test.proto_helpers has moved to twisted.internet.testing. \ 
twisted.test.proto_helpers has been deprecated.
- twisted.protocols.mice, deprecated since Twisted 16.0, has been removed.
- twisted.conch.insults.client and twisted.conch.insults.colors, deprecated \ 
since Twisted 10.1, have been removed.
- The __version__ attribute of Twisted submodules that were previously packaged \ 
separately, deprecated since Twisted 16.0, has been removed.
- Python 3.4 is no longer supported.
- twisted.python.compat.OrderedDict, an alias for collections.OrderedDict and \ 
deprecated since Twisted 15.5, has been removed.

Bugfixes
- t.c.ssh.connection.SSHConnection now fails channels that are in the process of \ 
opening when the connection is lost.

Features
- twisted.web.tap, the module that is run by `twist web`, now accepts \ 
--display-tracebacks to render tracebacks on uncaught exceptions.

Bugfixes
- twisted.web.http.Request.write after the channel is disconnected will no \ 
longer raise AttributeError.
- twisted.web.client.Agent.request() and twisted.web.client.ProxyAgent.request() \ 
now produce TypeError when the method argument is not bytes, rather than failing \ 
to generate the request.
- twisted.web.http.HTTPChannel no longer raises TypeError internally when \ 
receiving a line-folded HTTP header on Python 3.
- All HTTP clients in twisted.web.client now raise a ValueError when called with \ 
a method and/or URL that contain invalid characters.  This mitigates \ 
CVE-2019-12387.  Thanks to Alex Brasetvik for reporting this vulnerability.
- twisted.web.server.Site's instance variable displayTracebacks is now set to \ 
False by default.

Improved Documentation
- twisted.web.iweb.IRequest's "prepath" and "postpath" \ 
attributes, which have existed for a long time, are now documented.
- The documented type of t.w.iweb.IRequest's "method" and \ 
"uri" attributes on Python 3 has been corrected to match the \ 
implementation.
- t.w.iweb.IRequest's "args" attribute is now correctly documented to \ 
be bytes.
- The API documentation of twisted.web.iweb.IRequest and \ 
twisted.web.http.Request has been updated and extended to match the \ 
implementation.

Deprecations and Removals
- Passing a path argument to twisted.web.resource.Resource.putChild which is not \ 
of type bytes is now deprecated.  In the future, passing a non-bytes argument to \ 
putChild will return an error.
- Passing --notracebacks/-n to twisted.web.tap, the module that is run by `twist \ 
web`, is now deprecated due to traceback rendering being disabled by default.

Features
- twisted.words.protocols.jabber.xmlstream.TLSInitiatingInitializer and \ 
twisted.words.protocols.jabber.client.XMPPClientFactory now take an optional \ 
configurationForTLS for customizing certificate options for StartTLS.

Bugfixes
- twisted.words.protocols.jabber.xmlstream.TLSInitiatingInitializer now properly \ 
verifies the server's certificate against platform CAs and the stream's domain, \ 
mitigating CVE-2019-12855.

Bugfixes
- twisted.names.client.Resolver will no longer infinite loop if it cannot bind a \ 
UDP port to use for resolving.

Twisted 19.2.0:
This is the final release that will support Python 3.4.

Features
- twisted.internet.ssl.CertificateOptions now uses 32 random bytes instead of an \ 
MD5 hash for the ssl session identifier context.
- DeferredLock and DeferredSemaphore can be used as asynchronous context
  managers on Python 3.5+.
- t.i.b.BaseConnector has custom __repr__
- twisted.internet.ssl.optionsForClientTLS now supports validating IP addresses \ 
from the certificate subjectAltName
- Twisted's minimum Cryptography requirement is now 2.5.

Bugfixes
- twisted.web.proxy.ReverseProxyResource fixed documentation and example snippet
- twisted.python.failure.Failure.getTracebackObject now returns traceback \ 
objects whose frames can be passed into traceback.print_stack for better \ 
debugging of where the exception came from.
- twisted.internet.ssl.KeyPair.generate: No longer generate 1024-bit RSA keys by \ 
default. Anyone who generated a key with this method using the default value \ 
should move to replace it immediately.
- The message of twisted.internet.error.ConnectionAborted is no longer truncated.
- twisted.enterprise.adbapi.ConnectionPool.connect now logs only the dbapiName \ 
and not the connection arguments, which may contain credentials
- twisted.python.runtime.Platform.supportsINotify no longer considers the result \ 
of isDocker for its own result.

Improved Documentation
- The documentation for the the twisted.internet.interfaces.IConsumer, \ 
IProducer, and IPullProducer interfaces is more detailed.
- The errback example in the docstring of twisted.logger.Logger.failure has been \ 
corrected.
- The sample code in the "Twisted Web In 60 Seconds" tutorial runs on \ 
Python 3.

Features
- twisted.conch.ssh.keys can now read private keys in the new \ 
"openssh-key-v1" format, introduced in OpenSSH 6.5 and made the \ 
default in OpenSSH 7.8.

Bugfixes
- Conch now uses pyca/cryptography for Diffie-Hellman key generation and agreement.

Features
- twisted.web.client.HostnameCachingHTTPSPolicy was added as a new \ 
contextFactory option.  The policy caches a specified number of \ 
twisted.internet.interfaces.IOpenSSLClientConnectionCreator instances to to \ 
avoid the cost of instantiating a connection creator for multiple requests to \ 
the same host.

Bugfixes
- twisted.web.http.Request.cookies, twisted.web.http.HTTPChannel.writeHeaders, \ 
and twisted.web.http_headers.Headers were all vulnerable to header injection \ 
attacks.  They now replace linear whitespace ('\r', '\n', and '\r\n') with a \ 
single space.  twisted.web.http.Reqeuest.cookies also replaces semicolons (';') \ 
with a single space.
- twisted.web.client.Request and twisted.web.client.HTTPClient were both \ 
vulnerable to header injection attacks.  They now replace linear whitespace \ 
('\r', '\n', and '\r\n') with a single space.

Features
- twisted.names.dns now has IRecord implementations for the SSHFP and TSIG \ 
record types.
   2019-08-11 15:25:21 by Thomas Klausner | Files touched by this commit (3557) | Package updated
Log message:
Bump PKGREVISIONs for perl 5.30.0
   2018-10-16 11:44:52 by Adam Ciarcinski | Files touched by this commit (4) | Package updated
Log message:
py-twisted: updated to 18.9.0

Twisted 18.9.0:

Features
--------
twisted.internet._sslverify.ClientTLSOptions no longer raises IDNAError when \ 
given an IPv6 address as a hostname in a HTTPS URL.
The repr() of a twisted.internet.base.DelayedCall now encodes the same \ 
information as its str(), exposing details of its scheduling and target \ 
callable.
Python 3.7 is now supported.

Bugfixes
--------
twisted.logger.LogBeginner's default critical observer now prints tracebacks for \ 
new and legacy log system events through the use of the new eventAsText API. \ 
This API also does not raise an error for non-ascii encoded data in Python2, it \ 
attempts as well as possible to format the traceback.
Syntax error under Python 3.7 fixed for twisted.conch.manhole and twisted.main.imap4.
trial -j reports tracebacks on test failures under Python 3.
Properly format multi-byte and non-ascii encoded data in a traceback.
twisted.python.rebuild now functions on Python 3.7.
HTTP/2 server connections will no longer time out active downloads that take too \ 
long.

Improved Documentation
----------------------
Several minor formatting problems in the API documentation have been corrected.
The documentation of twisted.internet.defer.Deferred.fromFuture() has been \ 
updated to reflect upstream changes.

Deprecations and Removals
-------------------------
async keyword argument is deprecated in twisted.conch.manhole \ 
(ManholeInterpreter.write and Manhole.add) and in \ 
twisted.main.imap4.IMAP4Server.sendUntaggedResponse, isAsync keyword argument is \ 
introduced instead.
   2018-08-22 11:48:07 by Thomas Klausner | Files touched by this commit (3558)
Log message:
Recursive bump for perl5-5.28.0
   2018-07-24 17:10:04 by Adam Ciarcinski | Files touched by this commit (5) | Package updated
Log message:
py-twisted: updated to 18.7.0

Twisted 18.7.0:

Features
--------
- Cancelling a Deferred returned by twisted.internet.defer.inlineCallbacks now \ 
cancels the Deferred it is waiting on.
- twisted.application.internet.ClientService now accepts a function to \ 
initialize or validate a connection before it is returned by the whenConnected \ 
method as the prepareConnection argument.
- Traceback generated for twisted.internet.defer.inlineCallbacks now includes \ 
the full stack of inlineCallbacks generators between catcher and raiser (before \ 
it only contained raiser's stack).
- Add optional cwd argument to twisted.runner.procmon.ProcMon.addProcess
- twisted.python.failure.Failure tracebacks generated by coroutines scheduled \ 
with twisted.internet.defer.ensureDeferred - i.e. any Deferred-awaiting \ 
coroutine - now contain fewer extraneous frames from the trampoline \ 
implementation, and correctly indicate the source of exceptions raised in other \ 
call stacks - i.e. the function that raised the exception.  In other words: if \ 
you 'await' a function that raises an exception, you'll be able to see where the \ 
error came from.

Bugfixes
--------
- On UNIX-like platforms, Twisted attempts to recover from EMFILE when accepting \ 
connections on TCP and UNIX ports by shedding incoming clients.
- The documentation of IReactorTime.getDelayedCalls() has been corrected to \ 
indicate that the method returns a list, not a tuple.
- "python -m twisted web --help" now refers to "--listen" \ 
instead of the non-existing "--http"
- twisted.python.htmlizer.TokenPrinter now explicitly works on bytestrings.
- twisted.enterprise.adbapi.ConnectionPool.runWithConnection and runInteraction \ 
now use the reactor that is passed to ConnectionPool's constructor.

Improved Documentation
----------------------
- The Twisted Coding Standard now contains examples of how to mark up a feature \ 
as added in the next Twisted release.

Deprecations and Removals
-------------------------
- Deprecate direct introspection of ProcMon's processes: processes should not be \ 
directly accessed or pickled.
- twisted.internet.address.IPv4Address._bwHack and \ 
twisted.internet.address.UNIXAddress._bwHack, as well as the parameters to the \ 
constructors, deprecated since Twisted 11.0, have been removed.
   2017-12-24 14:44:56 by Sebastian Wiedenroth | Files touched by this commit (3)
Log message:
py-twisted: allow building with a c99 compiler on SunOS
   2017-12-03 01:12:35 by Joerg Sonnenberger | Files touched by this commit (1)
Log message:
Fix location of py-idna.