[Python-Dev] .pyc broken on Windows -- anywhere else?

[Tim Peters]

[Tim]
> That is, .pyc's don't work at all anymore on Windows:  Python *always*
> thinks they have a bad magic number.  Elsewhere?

[Mark Favas]
> Just grabbed the latest from CVS - .pyc is still fine on Tru64 Unix...

Good clue!  Looks like Guido broke this on Windows when adding some
"exclusive write" silliness <wink> for Unixoids.  I'll try to make time
tonight to understand it (*looks* like fdopen is too late to ask for binary
mode under Windows ...).