Rename a couple of functions in parallel.py

Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>

compose/parallel.py

@@ -32,7 +32,7 @@ def parallel_execute(objects, func, get_name, msg, get_deps=None):
     for obj in objects:
         writer.initialize(get_name(obj))
 
-    events = parallel_execute_stream(objects, func, get_deps)
+    events = parallel_execute_iter(objects, func, get_deps)
 
     errors = {}
     results = []
@@ -86,7 +86,7 @@ class State(object):
         return set(self.objects) - self.started - self.finished - self.failed
 
 
-def parallel_execute_stream(objects, func, get_deps):
+def parallel_execute_iter(objects, func, get_deps):
     """
     Runs func on objects in parallel while ensuring that func is
     ran on object only after it is ran on all its dependencies.
@@ -130,7 +130,7 @@ def parallel_execute_stream(objects, func, get_deps):
         yield event
 
 
-def queue_producer(obj, func, results):
+def producer(obj, func, results):
     """
     The entry point for a producer thread which runs func on a single object.
     Places a tuple on the results queue once func has either returned or raised.
@@ -165,7 +165,7 @@ def feed_queue(objects, func, get_deps, results, state):
             for dep in deps
         ):
             log.debug('Starting producer thread for {}'.format(obj))
-            t = Thread(target=queue_producer, args=(obj, func, results))
+            t = Thread(target=producer, args=(obj, func, results))
             t.daemon = True
             t.start()
             state.started.add(obj)

tests/unit/parallel_test.py

@@ -5,7 +5,7 @@ import six
 from docker.errors import APIError
 
 from compose.parallel import parallel_execute
-from compose.parallel import parallel_execute_stream
+from compose.parallel import parallel_execute_iter
 from compose.parallel import UpstreamError
 
 
@@ -81,7 +81,7 @@ def test_parallel_execute_with_upstream_errors():
     events = [
         (obj, result, type(exception))
         for obj, result, exception
-        in parallel_execute_stream(objects, process, get_deps)
+        in parallel_execute_iter(objects, process, get_deps)
     ]
 
     assert (cache, None, type(None)) in events