[PyQt] 'import PyQt4.uic.Compiler' fails with Python 3.2

Phil Thompson phil at riverbankcomputing.com
Sun Sep 19 21:58:26 BST 2010


On Sun, 19 Sep 2010 22:55:17 +0200, Arfrever Frehtes Taifersar Arahesis
<arfrever.fta at gmail.com> wrote:
> 2010-09-19 15:24:53 Phil Thompson napisał(a):
>> On Fri, 17 Sep 2010 20:51:55 +0200, Arfrever Frehtes Taifersar Arahesis
>> <arfrever.fta at gmail.com> wrote:
>> > I use SIP 4.11.1 and PyQt4 4.7.6.
>> > 
>> > $ python3.1 -c 'import PyQt4.uic.Compiler'
>> > $ python3.2 -c 'import PyQt4.uic.Compiler'
>> > Traceback (most recent call last):
>> >   File
>> >  
"/usr/lib64/python3.2/site-packages/PyQt4/uic/Compiler/proxy_type.py",
>> >   line 16, in __getattribute__
>> >     return type.__getattribute__(cls, name)
>> > AttributeError: type object 'ProxyBase' has no attribute 'module'
>> > 
>> > During handling of the above exception, another exception occurred:
>> > 
>> > Traceback (most recent call last):
>> >   File "<string>", line 1, in <module>
>> >   File "/usr/lib64/python3.2/site-packages/PyQt4/uic/__init__.py",
line
>> 3,
>> >   in <module>
>> >     from PyQt4.uic.Compiler import indenter, compiler
>> >   File
>> >  
"/usr/lib64/python3.2/site-packages/PyQt4/uic/Compiler/compiler.py",
>> line
>> >   5, in <module>
>> >     from PyQt4.uic.Compiler import qtproxies
>> >   File
>> >  
"/usr/lib64/python3.2/site-packages/PyQt4/uic/Compiler/qtproxies.py",
>> >   line 8, in <module>
>> >     from PyQt4.uic.port_v3.proxy_base import ProxyBase
>> >   File
>> >  
"/usr/lib64/python3.2/site-packages/PyQt4/uic/port_v3/proxy_base.py",
>> >   line 4, in <module>
>> >     class ProxyBase(metaclass=ProxyType):
>> >   File
>> >  
"/usr/lib64/python3.2/site-packages/PyQt4/uic/Compiler/proxy_type.py",
>> >   line 11, in __init__
>> >     if not hasattr(args[0], "module"):
>> >   File
>> >  
"/usr/lib64/python3.2/site-packages/PyQt4/uic/Compiler/proxy_type.py",
>> >   line 19, in __getattribute__
>> >     from PyQt4.uic.Compiler.qtproxies import LiteralProxyClass
>> > ImportError: cannot import name LiteralProxyClass
>> 
>> This looks like a Python 3.2a2 bug.
> 
> If it's really a bug in Python, and not another intentional,
incompatible
> change,
> then could you report it to http://bugs.python.org/ ?
> (I use snapshots of Python, updated at least once per week, not 3.2a2.)

It disappears if you add a str(cls) just before the import statement which
suggests it's a bug rather than a change. However I don't have enough
information to put together a proper bug report.

Phil


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