cffi: pass bytes instead of str to ffi.new("char[]", …) The type annotations seem to imply that the passed values are always already bytes, but they aren’t necessarily. Before Python 3.11, the documentation stated that bytes can be used to annotate arguments whose type is actually any of bytes, bytearray, or memoryview.

cffi: call bytes() instead of str() on CFFI buffer instances

cffi: pass C type and attribute names as str instead of bytes

py3: fix type of some elements of __all__ lists

manifest: deprecated readdelta and readfast These method should not have any user left.

manifest: use read_delta_new_entries in verify too This seems like the proper semantic for the usage.