gopy: add gopy convenience python module

Fixes #14

Change-Id: I9ae86ff54e1abcd3dbb943b5ce7a1319914026d5

gopy.py

@@ -0,0 +1,46 @@
+# Copyright 2015 The go-python Authors.  All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+__doc__ = """gopy is a convenience module to wrap and bind a Go package"""
+__author__ = "The go-python authors"
+
+__all__ = [
+        "load",
+        ]
+
+### stdlib imports ---
+import imp
+import os
+import sys
+
+def printf(args):
+    sys.stdout.write(args)
+    pass
+
+def load(pkg, output=""):
+    """
+    `load` takes a fully qualified Go package name and runs `gopy bind` on it. 
+    @returns the C-extension module object
+    """
+    printf("::: gopy.loading '%s'...\n" % pkg)
+    
+    from subprocess import check_call
+    if output == "": 
+        output = os.getcwd()
+        pass
+
+    check_call(["gopy","bind", "-output=%s" % output, pkg])
+    
+    n = os.path.basename(pkg)
+    printf("::: gopy.module=gopy.%s\n" % n)
+    
+    ok = imp.find_module(n, [output])
+    if not ok:
+        raise RuntimeError("could not find module 'gopy.%s'" % n)
+    fname, path, descr = ok
+    return imp.load_module("gopy."+n, fname, path, descr)
+    
+
+    
+