Where is a good open source python project to be used as example?

[Andrea Francia]

D'Arcy J.M. Cain wrote:
> On Tue, 16 Dec 2008 19:13:00 GMT
> Andrea Francia wrote:
>> I'm looking for a python project to use as example to learning python.
>>
>> The project should have these features:
>>
>>     1. is almost fully unit tested
>>     2. use consistently the code convention recommended by PEP 8
>>     3. it's elements are almost fully documented
>>
>> Extra point features are:
>>
>>     4. building, assembling, and release automation
>>
>> Did you know where are such projects?
> 
> http://www.PyGreSQL.org/.
> 

Thanks! But I can't find any unit test in the code.