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  • Committer: Martin Pool
  • Date: 2005-05-10 08:22:18 UTC
  • Revision ID: mbp@sourcefrog.net-20050510082218-cb22b6d981315883
- cope on platforms with no urandom feature
  including win32 python2.3

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bzrlib/osutils.py
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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import os, types, re, time, errno
 
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import os, types, re, time, errno, sys
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from stat import S_ISREG, S_ISDIR, S_ISLNK, ST_MODE, ST_SIZE
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from errors import bailout, BzrError
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if hasattr(os, 'urandom'): # python 2.4 and later
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    rand_bytes = os.urandom
 
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elif sys.platform == 'linux2':
 
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    rand_bytes = file('/dev/urandom', 'rb').read
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else:
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    # FIXME: No good on non-Linux
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    _rand_file = file('/dev/urandom', 'rb')
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    rand_bytes = _rand_file.read
 
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    # not well seeded, but better than nothing
 
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    def rand_bytes(n):
 
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        import random
 
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        s = ''
 
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        while n:
 
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            s += chr(random.randint(0, 255))
 
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            n -= 1
 
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        return s
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## TODO: We could later have path objects that remember their list