ansible-later/env_27/lib/python2.7/site-packages/asn1crypto/_ffi.py
2019-04-11 13:00:36 +02:00

46 lines
738 B
Python

# coding: utf-8
"""
FFI helper compatibility functions. Exports the following items:
- LibraryNotFoundError
- FFIEngineError
- bytes_from_buffer()
- buffer_from_bytes()
- null()
"""
from __future__ import unicode_literals, division, absolute_import, print_function
from ctypes import create_string_buffer
def buffer_from_bytes(initializer):
return create_string_buffer(initializer)
def bytes_from_buffer(buffer, maxlen=None):
return buffer.raw
def null():
return None
class LibraryNotFoundError(Exception):
"""
An exception when trying to find a shared library
"""
pass
class FFIEngineError(Exception):
"""
An exception when trying to instantiate ctypes or cffi
"""
pass