Mercurial > p > roundup > code
view roundup/anypy/random_.py @ 8299:43899d99fc4d
refactor(ruff): multiple changes to clear ruff issues
Fix a couple of missing returns of booleans for security checks.
Turns an implicit return None into an explicit return False.
Fix loop index variable being reassigned inside loop by renaming index
variable. 2 instances.
Consolidate 2 isinstance calls to 1 with tuple class argument.
Replace dict(list comprehension) with dict conprehension.
Variable renames.
Removal of unused variable.
Whitespace fixes.
sort imports
| author | John Rouillard <rouilj@ieee.org> |
|---|---|
| date | Wed, 22 Jan 2025 10:10:39 -0500 |
| 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)])
