def register_callback(name, c_type, callback):
"""Called at initialisation time to register a single callback."""
f = ffi.cast(ffi_to_string(c_type), callback)
if is_py3:
# Wrap the function up to auto-encode to bytes (ffi requires this in py3)
# TODO(pebers): this is not exactly beautiful, can we find a better way of handling it?
globals()[ffi_to_string(name)] = lambda *args: f(
*[ffi_from_string(arg) if isinstance(arg, str) else arg for arg in args])
else:
globals()[ffi_to_string(name)] = f
return 1 # used to detect success (must be nonzero)
def register_callback(name, c_type, callback):
"""Called at initialisation time to register a single callback."""
globals()[ffi_to_string(name)] = ffi.cast(ffi_to_string(c_type), callback)