From 110b454e2c8b01a932755844e00614f0b7ee15ea Mon Sep 17 00:00:00 2001
From: Jason Paryani <github@jparyani.com>
Date: Tue, 18 Feb 2014 17:33:17 -0800
Subject: [PATCH] Add accesible version numbers for C++ libcapnp

---
 capnp/includes/capnp_cpp.pxd | 6 ++++++
 capnp/lib/capnp.pyx          | 5 +++++
 setup.py                     | 5 +++++
 3 files changed, 16 insertions(+)

diff --git a/capnp/includes/capnp_cpp.pxd b/capnp/includes/capnp_cpp.pxd
index 6085ac5..f486ca8 100644
--- a/capnp/includes/capnp_cpp.pxd
+++ b/capnp/includes/capnp_cpp.pxd
@@ -12,6 +12,12 @@ cdef extern from "capnp/common.h" namespace " ::capnp":
     enum Void:
         VOID " ::capnp::VOID"
 
+cdef extern from "capnp/common.h":
+    int CAPNP_VERSION_MAJOR
+    int CAPNP_VERSION_MINOR
+    int CAPNP_VERSION_MICRO
+    int CAPNP_VERSION
+
 cdef extern from "kj/string.h" namespace " ::kj":
     cdef cppclass StringPtr:
         StringPtr()
diff --git a/capnp/lib/capnp.pyx b/capnp/lib/capnp.pyx
index eaf5880..525c653 100644
--- a/capnp/lib/capnp.pyx
+++ b/capnp/lib/capnp.pyx
@@ -26,6 +26,11 @@ import threading as _threading
 import socket as _socket
 import random as _random
 
+_CAPNP_VERSION_MAJOR = capnp.CAPNP_VERSION_MAJOR
+_CAPNP_VERSION_MINOR = capnp.CAPNP_VERSION_MINOR
+_CAPNP_VERSION_MICRO = capnp.CAPNP_VERSION_MICRO
+_CAPNP_VERSION = capnp.CAPNP_VERSION
+
 # By making it public, we'll be able to call it from capabilityHelper.h
 cdef public object wrap_dynamic_struct_reader(Response & r):
     return _Response()._init_childptr(new Response(moveResponse(r)), None)
diff --git a/setup.py b/setup.py
index 050c5a0..d52abf8 100644
--- a/setup.py
+++ b/setup.py
@@ -25,6 +25,11 @@ def write_version_py(filename=None):
     cnt = """\
 version = '%s'
 short_version = '%s'
+
+from .lib.capnp import _CAPNP_VERSION_MAJOR as LIBCAPNP_VERSION_MAJOR
+from .lib.capnp import _CAPNP_VERSION_MINOR as LIBCAPNP_VERSION_MINOR
+from .lib.capnp import _CAPNP_VERSION_MICRO as LIBCAPNP_VERSION_MICRO
+from .lib.capnp import _CAPNP_VERSION as LIBCAPNP_VERSION
 """
     if not filename:
         filename = os.path.join(