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author | Dan Klein <danklei@cisco.com> | 2015-08-24 17:28:17 +0300 |
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committer | Dan Klein <danklei@cisco.com> | 2015-08-24 17:28:17 +0300 |
commit | 7d3be8c612e295820649779335288c197b80ccb2 (patch) | |
tree | 78e9636bc8780dedc919c30378a621f425e1cbfc /external_libs/python/zmq/utils/interop.py | |
parent | dab741a80699f86e86c91718872a052cca9bbb25 (diff) |
Changes location of console and fixed dependencies
Diffstat (limited to 'external_libs/python/zmq/utils/interop.py')
-rw-r--r-- | external_libs/python/zmq/utils/interop.py | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/external_libs/python/zmq/utils/interop.py b/external_libs/python/zmq/utils/interop.py new file mode 100644 index 00000000..26c01969 --- /dev/null +++ b/external_libs/python/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) |