[Cython] Compiler crash in RemoveUnreachableCode

[Andriy Kornatskyy]

Stefan,

Any update to the issue reported in this message thread?

If you can provide a link to the issue in cython bug tracker, so I can see progress, I would greatly appreciate that.

Thanks.

Andriy Kornatskyy

On Jan 21, 2014, at 10:16 AM, Stefan Behnel <stefan_ml at behnel.de> wrote:

> Andriy Kornatskyy, 20.01.2014 22:16:
>> May be that issue is namespace package related? Both (wheezy.http and dependent wheezy.core) use namespace_packages directive in setuptools.
> 
> No, I think it's a problem with importing in Cython compiled modules. ISTM
> that some extension modules got "reloaded", i.e. their module dict got
> cleared and they got reinitialised, thus recreating all global objects that
> other modules had already imported (and still keep a reference to).
> 
> 
>> Here is another bug (details below):
>> 
>> 1. virtualenv env
>> 2. env/bin/easy_install cython
>> 3. env/bin/easy_install lxml wheezy.core
>> 
>> It seems to have an issue while trying to install 2 or more libs at once.
>> ...
>> Installed env/lib/python2.7/site-packages/lxml-3.3.0beta5-py2.7-macosx-10.9-x86_64.egg
>> Processing dependencies for lxml
>> Finished processing dependencies for lxml
>> Searching for wheezy.core
>> Reading https://pypi.python.org/simple/wheezy.core/
>> Best match: wheezy.core 0.1.129
>> Downloading https://pypi.python.org/packages/source/w/wheezy.core/wheezy.core-0.1.129.tar.gz#md5=ea3d5f744bc0525d61f9fb48d897972d
>> Processing wheezy.core-0.1.129.tar.gz
>> Writing /var/folders/g8/2kym1h8n7qbgrwg4qkfqw1gw0000gn/T/easy_install-UC_pgJ/wheezy.core-0.1.129/setup.cfg
>> Running wheezy.core-0.1.129/setup.py -q bdist_egg --dist-dir /var/folders/g8/2kym1h8n7qbgrwg4qkfqw1gw0000gn/T/easy_install-UC_pgJ/wheezy.core-0.1.129/egg-dist-tmp-9sntQ1
>> Traceback (most recent call last):
>> ...
>>  File “env/lib/python2.7/site-packages/Cython-0.20-py2.7-macosx-10.9-x86_64.egg/Cython/Compiler/ModuleNode.py", line 109, in process_implementation
>>    self.generate_c_code(env, options, result)
>>  File "env/lib/python2.7/site-packages/Cython-0.20-py2.7-macosx-10.9-x86_64.egg/Cython/Compiler/ModuleNode.py", line 302, in generate_c_code
>>    rootwriter = Code.CCodeWriter(emit_linenums=emit_linenums, c_line_in_traceback=options.c_line_in_traceback)
>>  File "Code.py", line 1406, in Cython.Compiler.Code.CCodeWriter.__init__ (/var/folders/g8/2kym1h8n7qbgrwg4qkfqw1gw0000gn/T/easy_install-JVXbGE/Cython-0.20/Cython/Compiler/Code.c:30697)
>> 
>>  File "env/lib/python2.7/site-packages/Cython-0.20-py2.7-macosx-10.9-x86_64.egg/Cython/StringIOTree.py", line 11, in __init__
>>    stream = StringIO()
>> TypeError: 'NoneType' object is not callable
> 
> Looks like the same thing.
> 
> Stefan
> 
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