diff options
author | Dan Klein <danklei@cisco.com> | 2015-08-24 13:22:48 +0300 |
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committer | Dan Klein <danklei@cisco.com> | 2015-08-24 13:22:48 +0300 |
commit | dab741a80699f86e86c91718872a052cca9bbb25 (patch) | |
tree | 1959c4a2cea440170a5113dcb067796cb20ffb64 /external_libs/python/pyzmq-14.7.0/zmq/utils/interop.py | |
parent | d3f26ece7d4383df0b22fe9c3cb3e695381ec737 (diff) |
Fixed dependencies of Control Plane to use external_lib sources
Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/zmq/utils/interop.py')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/zmq/utils/interop.py | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/zmq/utils/interop.py b/external_libs/python/pyzmq-14.7.0/zmq/utils/interop.py new file mode 100644 index 00000000..26c01969 --- /dev/null +++ b/external_libs/python/pyzmq-14.7.0/zmq/utils/interop.py @@ -0,0 +1,33 @@ +"""Utils for interoperability with other libraries. + +Just CFFI pointer casting for now. +""" + +# Copyright (C) PyZMQ Developers +# Distributed under the terms of the Modified BSD License. + + +try: + long +except NameError: + long = int # Python 3 + + +def cast_int_addr(n): + """Cast an address to a Python int + + This could be a Python integer or a CFFI pointer + """ + if isinstance(n, (int, long)): + return n + try: + import cffi + except ImportError: + pass + else: + # from pyzmq, this is an FFI void * + ffi = cffi.FFI() + if isinstance(n, ffi.CData): + return int(ffi.cast("size_t", n)) + + raise ValueError("Cannot cast %r to int" % n) |