From 675238bc117a77a3f30785f085846b70c593bcee Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Wed, 25 May 2011 17:18:54 +0100
Subject: Implement processing, simplistic, synchronous.

This is just to get the API working enough to get a
feeling if it works well.
---
 bgproc.py       | 13 ++++++++++---
 bgproc_tests.py |  5 +++++
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/bgproc.py b/bgproc.py
index 4c3ead8..949fb63 100644
--- a/bgproc.py
+++ b/bgproc.py
@@ -19,11 +19,15 @@ class BackgroundProcessing(object):
     '''Manage background processing queues.'''
     
     def __init__(self, func):
+        self.func = func
         self.pending_requests = 0
+        self.requests = []
+        self.results = []
         
     def enqueue_request(self, request):
         '''Put a request into queue, to be processed by workers whenever.'''
         self.pending_requests += 1
+        self.requests.append(request)
         
     def close_requests(self):
         '''Signal workers that they can retire.
@@ -43,9 +47,12 @@ class BackgroundProcessing(object):
         because all requests have been processed.
         
         '''
-        return False
+        for request in self.requests:
+            self.results.append(self.func(request))
+        return len(self.results) > 0
 
     def __iter__(self):
         '''Iterate over immediately available results.'''
-        if False:
-            yield
+        for result in self.results:
+            yield result
+
diff --git a/bgproc_tests.py b/bgproc_tests.py
index 9709636..885a223 100644
--- a/bgproc_tests.py
+++ b/bgproc_tests.py
@@ -45,3 +45,8 @@ class BackgroundProcessingTests(unittest.TestCase):
         self.bg.enqueue_request(0)
         self.assertEqual(self.bg.pending_requests, 1)
 
+    def test_processes_stuff(self):
+        self.bg.enqueue_request(0)
+        self.assertEqual(self.bg.wait_for_results(), True)
+        self.assertEqual(list(self.bg), [1])
+
-- 
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