Break generator.py to be called per module

Since we don't always want to build all the modules, and there might be
more modules added in the future but we want to retain backwards
compatibility with older libvirts, change generator.py to be called once
per module instead of with all modules at once.

generator.py

@@ -17,11 +17,6 @@ import re
 
 quiet=True
 
-coreapifile = sys.argv[1]
-lxcapifile = sys.argv[2]
-qemuapifile = sys.argv[3]
-
-
 #######################################################################
 #
 #  That part if purely the API acquisition phase from the
@@ -1945,13 +1940,18 @@ def lxcBuildWrappers(module):
 quiet = 0
 if not os.path.exists("build"):
     os.mkdir("build")
-if buildStubs("libvirt", coreapifile) < 0:
+
+if buildStubs(sys.argv[1], sys.argv[2]) < 0:
     sys.exit(1)
-if buildStubs("libvirt-lxc", lxcapifile) < 0:
+
+if sys.argv[1] == "libvirt":
+    buildWrappers(sys.argv[1])
+elif sys.argv[1] == "libvirt-lxc":
+    lxcBuildWrappers(sys.argv[1])
+elif sys.argv[1] == "libvirt-qemu":
+    qemuBuildWrappers(sys.argv[1])
+else:
+    print "ERROR: unknown module %s" % sys.argv[1]
     sys.exit(1)
-if buildStubs("libvirt-qemu", qemuapifile) < 0:
-    sys.exit(1)
-buildWrappers("libvirt")
-lxcBuildWrappers("libvirt-lxc")
-qemuBuildWrappers("libvirt-qemu")
+
 sys.exit(0)

setup.py

@@ -100,7 +100,9 @@ class my_build(build):
     def run(self):
         apis = self.get_api_xml_files()
 
-        self.spawn(["python", "generator.py", apis[0], apis[1], apis[2]])
+        self.spawn(["python", "generator.py", "libvirt", apis[0]])
+        self.spawn(["python", "generator.py", "libvirt-qemu", apis[1]])
+        self.spawn(["python", "generator.py", "libvirt-lxc", apis[2]])
 
         build.run(self)