On Thu, May 31, 2012 at 11:09 AM, Tim Golden <m...@timgolden.me.uk> wrote:
> On 31/05/2012 14:40, Kevin Horn wrote: > > I'm setting up a new machine (Win7) and one of the first things I > > thought I'd do is install Python, distribute, pip, virtualenv, etc. > > > > However, I can't seem to get that far. > > > > When trying to install distribute (using distribute_setup.py), I get the > > following traceback: > > > > Traceback (most recent call last): > > File "distribute_setup.py", line 20, in <module> > > import tempfile > > File "C:\Python27\lib\tempfile.py", line 34, in <module> > > from random import Random as _Random > > File "C:\Python27\lib\random.py", line 881, in <module> > > _inst = Random() > > File "C:\Python27\lib\random.py", line 97, in __init__ > > self.seed(x) > > File "C:\Python27\lib\random.py", line 111, in seed > > a = long(_hexlify(_urandom(16)), 16) > > WindowsError: [Error -2146893818] Invalid Signature > > > > "Huh," I thought. "That's weird". > > > > A little googling turned up this bug: > > > > http://bugs.python.org/issue13524 > > > > Which has the same traceback, but purports to have something to do with > > not passing the right environment to the subprocess module (and is > > marked as "Wontfix"). > > > > But this doesn't seem to me to be the problem, as I'm not using the > > subprocess module. In fact, here is the minimal reproducible example on > > my machine: > > > > tfile.py: > > import tempfile > > > > > > > > That's it. Just "import tempfile" and Python comes to a screeching > > halt. In fact, "import random" does this as well, and either one will > > also cause the traceback from within the interactive interpreter. > > > > What's going on here? Is this a Win7 thing? I have 2.7.3 working on XP > > and Vista without a problem. > > Are you inside a virtualenv? There was a venv bug recently > which manifested itself in a similar way. Hang on... > > Have a look around here (not sure exactly which part of the > thread to pull at) and see if anything rings bells. > > http://mail.python.org/pipermail/python-dev/2012-March/118233.html > > TJG > > OK, so I have no idea what caused this, but apparently rebooting my machine fixed it. I guess that should have been my first instinct (thanks, Windows!). I have no idea why a reboot would fix this though. Thanks for the reply though, Tim. Kevin Horn
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