Split parsing function (#6)

pymule/__main__.py

 import argparse
+import createrun
 
 
 if __name__ == '__main__':
     parser = argparse.ArgumentParser()
     subparsers = parser.add_subparsers()
 
+    createrun.create_parser(subparsers)
+
     parsed = parser.parse_args()

pymule/createrun.py

@@ -223,11 +223,12 @@ def interogate(args={}):
     return args
 
 
-def parseargs():
+def create_parser(subparsers):
     specs = inspect.getargspec(create_menu)
     defaults = dict(zip(specs.args, specs.defaults))
 
-    parser = argparse.ArgumentParser(
+    parser = subparsers.add_parser(
+        'create',
         description='Generate menu and config files'
     )
     parser.add_argument(
@@ -274,7 +275,8 @@ def parseargs():
         help="comma seperated list of piece,pc,pi,c,i[,seeds to use]"
     )
 
-    parsed = parser.parse_args()
+
+def parseargs(parsed):
     args = {}
 
     if parsed.nseeds:
@@ -360,8 +362,7 @@ def save(menu, conf, folder, force=False):
     print "Please change the ntasks and time options accordingly"
 
 
-if __name__ == '__main__':
-    import sys
-    args, force = parseargs()
+def main(parsed):
+    args, force = parseargs(parsed)
     menu, config, folder = create_menu(**args)
     save(menu, config, folder, force=force)