Bug report

from multiprocessing.shared_memory import ShareableLists, b = '\x00\x01\x00', bytes([0,1,0])sl = ShareableList([s, b])s == sl[0], b == sl[1]

gives(False, False) because the trailing zeroes get lost in theShareableList:sl holdsShareableList(['\x00\x01', b'\x00\x01'], name='wnsm_...'). I would expect that strings and bytes keep the trailing zeroes also when added to aShareableList.

Your environment

• CPython versions tested on: 3.8.5, 3.10.6
• Operating system and architecture: Windows 10, 64bit

Analysis

There are three places inclass ShareableList inLib/multiprocessing/shared_memory.py, where trailing zeroes are explicitely removed:...rstrip(b'\x00').... For what reason?