Bugreport: Crypto/Util/randpool.py always fails in _randomize when used under windows/cygwin
Matt Nordhoff
mnordhoff at mattnordhoff.com
Thu Dec 13 08:26:19 GMT 2007
Murat Gurol wrote:
> Context:
>
> Using bzr remote commands, e.g. branch or pull.
> bzr version 0.92.0
> python2.5
> OS: win xp, cygwin
>
> Stack from bzr.log:
>
> bzr arguments: [u'pull']
> looking for plugins in /home/mg/.bazaar/plugins
> looking for plugins in /usr/lib/python2.5/site-packages/bzrlib/plugins
> Plugin name __init__ already loaded
> Plugin name __init__ already loaded
> encoding stdout as sys.stdout encoding 'US-ASCII'
> opening working tree '/cygdrive/d/bzr/client1.1'
> Traceback (most recent call last):
> File "commands.py", line 802, in run_bzr_catch_errors
> File "commands.py", line 758, in run_bzr
> File "commands.py", line 492, in run_argv_aliases
> File "builtins.py", line 616, in run
> File "__init__.py", line 1595, in get_transport
> File "__init__.py", line 1617, in _try_transport_factories
> File "registry.py", line 61, in get_obj
> File "registry.py", line 66, in _do_import
> File "sftp.py", line 56, in <module>
> File "ssh.py", line 41, in <module>
> File "__init__.py", line 68, in <module>
> File "transport.py", line 32, in <module>
> File "util.py", line 31, in <module>
> File "common.py", line 106, in <module>
> File "randpool.py", line 87, in __init__
> File "randpool.py", line 120, in _randomize
> IOError: [Errno 0] Error
PyCrypto is used by paramiko. Unless this only happens with Bazaar, you
should email the PyCrypto people.
<http://www.amk.ca/python/code/crypto>
Line 120 is the second-to-last line of this:
(devname is '/dev/urandom'.)
if winrandom:
# Windows CryptGenRandom provides random data.
data = winrandom.new().get_bytes(nbytes)
elif os.path.exists(devname):
# Many OSes support a /dev/urandom device
try:
f=open(devname)
data=f.read(nbytes)
f.close()
except IOError, (num, msg):
if num!=2: raise IOError, (num, msg)
# If the file wasn't found, ignore the error
Weird.
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