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List:       pykde
Subject:    [PyQt] Heads Up for Next SIP Release
From:       Phil Thompson <phil () riverbankcomputing ! com>
Date:       2016-09-26 11:11:18
Message-ID: BE882A53-AFF1-409B-9E69-F6DA0BAA67ED () riverbankcomputing ! com
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The next release of SIP (v4.19) has a lot of internal changes and requires all SIP \
based bindings to be recompiled. The reason for these changes is to minimise the \
dependencies between modules. For example, a new release of PyQt5 (containing a new \
class in QtCore) could break a QScintilla module even though QScintilla knows nor \
cares about the new class. This has always been a problem for maintainers of binary \
packages.

Once new wheels of everything have been released then, in the future, binary packages \
will be able to be released independently.

This has also been extended to Python itself. The new version of SIP can generate \
code that only used the limited Python API defined in PEP 384. This means that the \
same PyQt wheel will work with any version of Python starting with Python v3.4. \
Anything that is Python version dependent is handled by the sip module. Therefore in \
order to support Python v3.6 for all packages I just need to release wheels for SIP \
for v3.6.

Because of the number of changes I recommend people test with the current snapshots \
as much as possible. Although the development is complete I'm not going to make a \
release for some time to give people the chance to check it out.

Phil
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