Mercurial > p > roundup > code
view roundup/anypy/random_.py @ 8064:d6b447de4f59
docs: set up for release documentation.
Make changes to publish security.html with CVE announcements referring
to the sections in upgrading.html rather than CVE.html.
Remove templates.zip as part of html build in Makefile.
Also update doc for using CVE.html.
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Tue, 09 Jul 2024 09:34:13 -0400 |
| parents | f002747b6773 |
| children |
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# ruff: noqa: ARG001 try: from secrets import choice, randbelow, token_bytes def seed(v=None): pass is_weak = False except ImportError: import os as _os import random as _random # prefer to use SystemRandom if it is available if hasattr(_random, 'SystemRandom'): def seed(v=None): pass _r = _random.SystemRandom() is_weak = False else: # don't completely throw away the existing state, but add some # more random state to the existing state def seed(v=None): # ruff: noqa: PLC0415 import os import time _r.seed((_r.getstate(), v, hasattr(os, 'getpid') and os.getpid(), time.time())) # create our own instance so we don't mess with the global # random number generator _r = _random.Random() seed() is_weak = True choice = _r.choice def randbelow(i): return _r.randint(0, i - 1) if hasattr(_os, 'urandom'): def token_bytes(size): return _os.urandom(size) else: def token_bytes(size): _bchr = chr if str is bytes else lambda x: bytes((x,)) return b''.join([_bchr(_r.getrandbits(8)) for i in range(size)])
