experiments: move runtime classes to separate file

experiments/modes/runtime.py

+import modes.experiments as exp
+
+class Run(object):
+    def __init__(self, experiment, env, outpath):
+        self.experiment = experiment
+        self.env = env
+        self.outpath = outpath
+        self.output = None
+
+class Runtime(object):
+    def add_run(self, run):
+        pass
+
+    def start(self):
+        pass
+
+class LocalSimpleRuntime(Runtime):
+    def __init__(self):
+        self.runnable = []
+        self.complete = []
+
+    def add_run(self, run):
+        self.runnable.append(run)
+
+    def start(self):
+        for run in self.runnable:
+            run.output = exp.run_exp_local(run.experiment, run.env)
+            self.complete.append(run)
+
+            with open(run.outpath, 'w') as f:
+                f.write(run.output.dumps())

experiments/run.py

@@ -4,40 +4,12 @@ import os
 import importlib
 import pickle
 import modes.experiments as exp
+import modes.runtime as runtime
 
 def mkdir_if_not_exists(path):
     if not os.path.exists(path):
         os.mkdir(path)
 
-class Run(object):
-    def __init__(self, experiment, env, outpath):
-        self.experiment = experiment
-        self.env = env
-        self.outpath = outpath
-        self.output = None
-
-class Runtime(object):
-    def add_run(self, run):
-        pass
-
-    def start(self):
-        pass
-
-class LocalSimpleRuntime(Runtime):
-    def __init__(self):
-        self.runnable = []
-        self.complete = []
-
-    def add_run(self, run):
-        self.runnable.append(run)
-
-    def start(self):
-        for run in self.runnable:
-            run.output = exp.run_exp_local(run.experiment, run.env)
-            self.complete.append(run)
-
-            with open(run.outpath, 'w') as f:
-                f.write(run.output.dumps())
 
 parser = argparse.ArgumentParser()
 parser.add_argument('experiments', metavar='EXP', type=str, nargs='+',
@@ -69,7 +41,7 @@ for path in args.experiments:
 mkdir_if_not_exists(args.workdir)
 mkdir_if_not_exists(args.outdir)
 
-runtime = LocalSimpleRuntime()
+runtime = runtime.LocalSimpleRuntime()
 
 for e in experiments:
     workdir_base = '%s/%s' % (args.workdir, e.name)