speed up taskmaker a little

python/loadleveller/jobfile.py

@@ -19,7 +19,7 @@ class JobFile:
             raise JobFileGenError('Generation script "{}" had a non-zero return code. Treating as error.'.format(filename))
  
         try:
-            parsed_job = yaml.safe_load(self.raw_jobfile)
+            parsed_job = yaml.load(self.raw_jobfile, Loader=yaml.CSafeLoader)
             self.__dict__.update(parsed_job)
         except Exception as e: 
             raise JobFileGenError('Could not parse job generation script output: {}'.format(e))

python/loadleveller/taskmaker.py

@@ -8,7 +8,7 @@ def _expand_path(path):
 
 def JobConfig(filename):
     with open(_expand_path(filename), 'r') as f:
-        return yaml.safe_load(f)
+        return yaml.load(f, Loader=yaml.CSafeLoader)
 
 class TaskMaker:
     def __init__(self, name, jobconfig):
@@ -41,4 +41,4 @@ class TaskMaker:
                 task_dict[k] = v
             jobfile_dict['tasks'][task_name] = task_dict
 
-        print(yaml.dump(jobfile_dict))
+        print(yaml.dump(jobfile_dict, Dumper=yaml.CSafeDumper))