From 587b76de425fd84bdc3fa319af79dbc2d4245f05 Mon Sep 17 00:00:00 2001
From: VG <vg@devys.org>
Date: Tue, 5 Apr 2016 11:26:37 +0200
Subject: wip

---
 tests/wqueue2.py | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

diff --git a/tests/wqueue2.py b/tests/wqueue2.py
index 4910b2f..5858fcd 100755
--- a/tests/wqueue2.py
+++ b/tests/wqueue2.py
@@ -12,7 +12,46 @@ import shutils
 u8open = functools.partial(open, encoding='utf8')
 
 
-class PersistentQueue:
+class PersistentJobQueue2:
+
+    def __init__(self, filename, loop=None):
+        self.queue = deque.deque()
+        self.current_job = deque.deque()
+        self.event = asyncio.Event(loop=loop)
+
+    def push_job(self, item):
+        self.queue.push_right(item)
+        self.event.set()
+
+    async def get_job(self, item):
+        if not self.current_job.empty():
+            return self.current_job[0]
+        if not self.queue.empty():
+            job_item = self.queue.pop()
+        else:
+            self.event.clear()
+            await self.event.wait()
+            job_item = self.queue.pop()
+        self.current_job.push_right(self.queue.pop())
+        return self.current_job[0]
+
+    async def mark_job_done(self):
+        assert not self.current_job.empty()
+        self.current_job.pop()
+
+
+    def dump_queue(self, filename):
+        with u8open(filename, 'w') as f:
+            f.write(self.current_job.dump())
+            f.write(self.queue.dump())
+
+    def reload_from_filename(self, filename):
+        with u8open(filename) as f:
+            items = f.read().parse()
+        if 
+
+
+class PersistentJobQueue:
 
     def __init__(self, filename):
         self.filename = filename
@@ -21,10 +60,20 @@ class PersistentQueue:
 
     def append(self, item):
         async with lock:
+            self.queue.append(item)
             with u8open(self.filename, 'a') as f:
                 await f.write(item)
                 await f.write('\n')
 
+    async def get_job(self):
+        async with lock:
+            self.current_job.append(self.queue.pop())
+        return self.current_job[0]
+
+    async def mark_job_done(self):
+        async with lock:
+            self.current_job.pop()
+
     async def pop(self):
         # TODO: when wanting to pop an empty queue the pop should wait
         # asynchronously for a new filename to arrive
-- 
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