Windows: using hg executable from an IDE results in python errors

[Alexander Belchenko]

Patrick Mézard пишет:
> Alexander Belchenko a écrit :
>> I'm not Patrick but you need to test is fd hasattr fileno. When program running as
>> subprocess then pipes fd never had fileno. Because they're not real files.
> 
> Testing for fileno() availability cannot harm but I am not sure it will solved the issue here since we get a bad file descriptor issue rather than a missing attribute. I don't know how to check fileno() is valid, maybe it should be positive ? Do you know an easy way to test these kind of setup ?

Sorry, forgot to say about testing.
IIRC, for testing this issue I'm launching bzr as subprocess via python's std lib subprocess module.
I don't remember exactly where this test resides in our test suite though.
I fixed this issue in December 2006, so I don't remember all details about testing.