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until proven otherwise.
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either because they themselves are not ready or because a
dependency isn't. This is annotated by
PYTHON_VERSIONS_INCOMPATIBLE= 33 # not yet ported as of x.y.z
or
PYTHON_VERSIONS_INCOMPATIBLE= 33 # py-foo, py-bar
respectively, please use the same style for other packages,
and check during updates.
Use versioned_dependencies.mk where applicable.
Use REPLACE_PYTHON instead of handcoded alternatives, where applicable.
Reorder Makefile sections into standard order, where applicable.
Remove PYTHON_VERSIONS_INCLUDE_3X lines since that will be default
with the next commit.
Whitespace cleanups and other nits corrected, where necessary.
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* Release 0.6.4 (18-Jun-2012)
** Minor Changes
The unreliable 'extras_require' property in setup.py, which allowed other
python programs to declare a dependency on foolscap's "secure_connections"
feature, was removed. See README.packagers for alternate instructions. (#174)
'flogtool' log-dumping commands (dump, tail, web-viewer) now accept a
consistent --timestamps= argument to control how event times are displayed
(UTC, local, seconds-since-epoch, etc). (#192, #193)
Certain invalid "location" strings (accepted by Tub.setLocation and put into
FURLs) are rejected earlier, and with better error messages. The error
message produced when 'flogtool dump' is given a FURL-file (instead of an
event log file) has been improved.
The Incident Gatherer will tolerate incident-file errors better, fetching
remaining incidents instead of halting. (#190)
The git-over-foolscap tools were cleaned up, and the documentation was
brought into line with the implementation. (#197)
Other minor bugs were fixed: #179, #191, #194, #195, #196
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pkgsrc.
* Release 0.6.3 (05-Jan-2012)
** Compatibility Fixes
This release really is compatible with Twisted-11.1.0 . The previous Foolscap
release (0.6.2), despite the changes described below, suffered mild
incompatibilites with the new TLS code in the final Twisted-11.1.0 release.
The most common symptom is a DirtyReactorError in unit tests that use
Tub.stopService() in their tearDown() method (to coordinate shutdown and
cleanup). Another symptom is tests overlapping with one another, causing
port-already-in-use errors.
This incompatibility did not generally affect normal operation, but only
impacted unit tests.
** Other Changes
The Debian packaging tools in misc/ were removed, as they were pretty stale.
These days, both Debian and Ubuntu make their own Foolscap packages.
* Release 0.6.2 (15-Oct-2011)
** Compatibility Fixes
Foolscap-0.6.2 will be compatible with future versions of Twisted (>11.0.0).
The 0.6.1 release will not: a TLS change went into Twisted trunk recently
(after the 11.0.0 release) which broke Foolscap 0.6.1 and earlier.
This release also fixes a minor incompatibility with newer versions of
OpenSSL (0.9.8o was ok, 1.0.0d was not), which caused errors in the test
suite (but normal runtime operation) on e.g. Ubuntu 11.10 "Oneiric".
** Git-Over-Foolscap Tools
The doc/examples/ directory contains two executables (git-foolscap and
git-remote-pb) which, when placed in your $PATH, make it easy to use Foolscap
to access a Git repository. These use the flappserver/flappclient tools and
let you build a FURL that provides read-only or read-write access to a single
repository. This is somewhat like providing SSH access to a repo, but with a
much smaller scope: the client will only be able to manipulate the one
repository, and gets no other authority on the target system. See the tool's
inline comments for usage instructions.
** Minor Fixes
Using 'flappserver upload-file FILE1 FILE2 FILE3..' (with three or more
files) now correctly uploads all files: previously it only managed to upload
the first and last.
'flappserver' argument handling was improved slightly. A workaround was added
to handle a Twisted stdio-closing bug which affected flappserver's
run-command function and broke the git-foolscap tool. Several changes were
made for the benefit of Windows: log filenames all use hyphens (not colons),
log filtering tools tolerate the lack of atomic-rename filesystem operations,
and some unixisms in the test suite were removed.
The Tub.setLogGathererFURL() method can now accept a list (iterable) of log
gatherer FURLs, not just a single one.
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works with python-2.7.
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EGG_NAME and EXTRACT_SUFX because they are now default.
Add TEST_TARGET.
Add comment questioning why PYTHON_VERSIONS_ACCEPTED is only 26.
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require this.
* Release 0.6.1 (16-Jan-2011)
** Minor Fixes
The old "sets" module is no longer imported without wrapping the import in a
DeprecationWarning suppressor. We still import it from slicers.set for
compatibility with older code, but that import will not produce a warning.
This should make Foolscap quieter when used with Python 2.6 or later.
A new RemoteReference method named getDataLastReceivedAt() was added, which
will tell you when data was most recently received on the connection
supporting that reference. This can be compared against time.time() to see
how "live" the connection is. For performance reasons, this is only enabled
when keepalives are turned on, otherwise it returns None. (#169)
Some unreachable code was removed. (#165)
* Release 0.6.0 (28-Dec-2010)
** API Changes
*** "foolscap.api" now mandatory
The old import names from foolscap/__init__.py have been removed, finishing
the transition begun with 0.5.0 . Applications must now import Tub,
Referenceable, and so on from "foolscap.api". (#122)
** Compatibility Fixes
Foolscap-0.6.0 is compatible with Twisted-10.2 (released 29-Nov-2010). The
0.5.1 release was not: pb.Listener was depending upon the behavior of an
internal Twisted function that changed, causing an AttributeError in
"StreamServerEndpointService". This is fixed, but the code is still using an
undocumented internal attribute to handle port=0 which will need to be
replaced eventually. (#167)
The first unit test ("test__versions") spuriously failed against Twisted-10.1
and 10.2, mistakenly believing that 10.1 was older than 8.1.0 due to a
lexicographic comparison that should have been numeric.
** Other Changes
Incident filenames are now like "2008-08-22--16:20:28Z.flog" which are in UTC
and mostly ISO-8601 format (the real ISO-8601 would use "_" instead of "--").
This is also used for log-gatherer filenames. (#111)
The logging code now honors FLOGLEVEL= when using FLOGTOTWISTED=1; previously
FLOGLEVEL= was ignored when deciding which log events should be bridged to
the twisted logger. (#154)
Some minor packaging bugs were fixed.
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This is a ground-up rewrite of Perspective Broker, which itself is Twisted's
native RPC/RMI protocol (Remote Procedure Call / Remote Method Invocation).
If you have control of both ends of the wire, and are thus not constrained to
use some other protocol like HTTP/XMLRPC/CORBA/etc, you might consider using
Foolscap.
Fundamentally, Foolscap allows you to make a python object in one process
available to code in other processes, which means you can invoke its methods
remotely. This includes a data serialization layer to convey the object
graphs for the arguments and the eventual response, and an object reference
system to keep track of which objects you are connecting to. It uses a
capability-based security model, such that once you create a non-public
object, it is only accessible to clients to whom you've given the
(unguessable) FURL. You can of course publish world-visible objects that
have well-known FURLs.
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