Merge pull request #42 from PaulFurtado/master

Added a python distutils setup.py for easy installation as a python package

MANIFEST.in

@@ -0,0 +1,2 @@
+include *
+recursive-include * *

setup.py

@@ -0,0 +1,48 @@
+
+import os
+from distutils.core import setup, Extension
+from distutils.command.build import build as DistutilsBuild
+from subprocess import Popen
+
+
+DIR = os.path.abspath(os.path.dirname(__file__))
+JSONNET_SOURCES = ['libjsonnet.cpp', 'lexer.cpp', 'parser.cpp', 'static_analysis.cpp', 'vm.cpp', '_jsonnet.c']
+COMPILE_ARGS = ['-std=c++0x']
+
+
+def get_version():
+    """
+    Parses the version out of jsonnet.cpp
+    """
+    with open(os.path.join(DIR, 'jsonnet.cpp')) as f:
+        for line in f:
+            if '#define' in line and 'JSONNET_VERSION' in line:
+                return line.partition('JSONNET_VERSION')[2].strip('\n "')
+
+
+def make_std_lib():
+    """
+    Runs the jsonnet C makefile to build std.jsonnet.h
+    """
+    p = Popen(['make', 'std.jsonnet.h'], cwd=DIR)
+    p.wait()
+    if p.returncode != 0:
+        raise Exception('Could not build std.jsonnet.h')
+
+
+class CustomBuild(DistutilsBuild):
+    def run(self):
+        make_std_lib()
+        DistutilsBuild.run(self)
+
+
+setup(name='jsonnet',
+      url='https://google.github.io/jsonnet/doc/',
+      description='Python bindings for Jsonnet - The data templating language ',
+      author='David Cunningham',
+      author_email='[email protected]',
+      version=get_version(),
+      cmdclass={'build': CustomBuild},
+      ext_modules=[Extension('_jsonnet', extra_compile_args=COMPILE_ARGS,
+                             sources=JSONNET_SOURCES)]
+)