TimerService: make timerserver compatible with WSGI

At the same time, timerserver is no longer distributed as an egg.

product/ERP5/bin/zopewsgi.py

@@ -8,7 +8,7 @@ from tempfile import TemporaryFile
 import time
 from urllib import quote
 
-from waitress import serve
+from waitress.server import create_server
 import ZConfig
 import Zope2
 from Zope2.Startup.run import make_wsgi_app
@@ -134,6 +134,8 @@ def app_wrapper(large_file_threshold, use_webdav):
 
 
 def runwsgi():
+    global server
+
     parser = argparse.ArgumentParser()
     parser.add_argument('-w', '--webdav', action='store_true')
     parser.add_argument('address', help='<ip>:<port>')
@@ -146,7 +148,7 @@ def runwsgi():
 
     make_wsgi_app({}, zope_conf=args.zope_conf)
 
-    serve(
+    server = create_server(
         TransLogger(app_wrapper(conf.large_file_threshold, args.webdav),
                     logger=logging.getLogger("access")),
         listen=args.address,
@@ -155,3 +157,4 @@ def runwsgi():
         trusted_proxy_headers=('x-forwarded-for',),
         clear_untrusted_proxy_headers=True,
     )
+    server.run()

product/TimerService/timerserver/timerserver/TimerServer.py → product/TimerService/timerserver/TimerServer.py

@@ -8,10 +8,10 @@ import traceback
 import thread
 import re
 import sys, os, errno, time, socket
+from functools import partial
 from StringIO import StringIO
 from zLOG import LOG, INFO
 
-from ZServer.PubCore import handle
 from ZPublisher.BaseRequest import BaseRequest
 from ZPublisher.BaseResponse import BaseResponse
 from ZPublisher.HTTPRequest import HTTPRequest
@@ -38,21 +38,46 @@ class TimerServer:
             '\tInterval: %s seconds.\n'%(time.ctime(time.time()), interval))
 
     def run(self):
-        # wait until the zhttp_server exist in socket_map
-        # because TimerService has to be started after the Zope HTTPServer
-        from asyncore import socket_map
-        ip = port = ''
-        while 1:
-            time.sleep(5)
-            for k, v in socket_map.items():
-                if hasattr(v, 'addr'):
+        try:
+            zopewsgi = sys.modules['Products.ERP5.bin.zopewsgi']
+        except KeyError:
+            # wait until the zhttp_server exist in socket_map
+            # because TimerService has to be started after the Zope HTTPServer
+            from asyncore import socket_map
+            ip = port = ''
+            while 1:
+                time.sleep(5)
+                for k, v in socket_map.items():
+                    if hasattr(v, 'addr'):
                         # see Zope/lib/python/App/ApplicationManager.py: def getServers(self)
                         type = str(getattr(v, '__class__', 'unknown'))
                         if type == 'ZServer.HTTPServer.zhttp_server':
                             ip, port = v.addr
                             break
-            if port:
-                break
+                if port:
+                    break
+            from ZServer.PubCore import handle
+        else:
+            while 1:
+                time.sleep(5)
+                try:
+                    server = zopewsgi.server
+                    break
+                except AttributeError:
+                    pass
+
+            ip, port = server.addr
+            start_response = lambda *_: None
+
+            class handle(object):
+                def __init__(self, module_name, request, response):
+                    self.service = partial(zopewsgi.publish_module,
+                        request.environ,
+                        start_response,
+                        _module_name=module_name,
+                        _request=request,
+                        _response=response)
+                    server.add_task(self)
 
         if ip == '0.0.0.0':
           ip = socket.gethostbyname(socket.gethostname())
@@ -99,6 +124,9 @@ class TimerServer:
 
 
 class TimerResponse(BaseResponse):
+
+    after_list = ()
+
     def _finish(self):
         pass
 
@@ -108,6 +136,9 @@ class TimerResponse(BaseResponse):
     def _unauthorized(self):
         pass
 
+    def finalize(self):
+        return None, None
+
     # This is taken from ZPublisher.HTTPResponse
     # I don't think it's safe to make TimerResponse a subclass of HTTPResponse,
     # so I inline here the method . This is required it you want unicode page
@@ -148,6 +179,7 @@ class TimerRequest(HTTPRequest):
         env['SERVER_PORT'] = ''
         env['REMOTE_ADDR'] = ''
         env['GATEWAY_INTERFACE'] = 'CGI/1.1'
+        env['SERVER_PROTOCOL'] = 'HTTP/1.0'
 
         env['PATH_INFO']= '/Control_Panel/timer_service/process_timer'
         return env

product/TimerService/timerserver/setup.py

-#!/usr/bin/env python
-try:
-  from setuptools import setup
-except ImportError:
-  from distutils.core import setup
-
-setup(name='timerserver',
-      version='2.0.4',
-      license='GPL',
-      description='Timer Server for Zope',
-      long_description='',
-      author='Nikolay Kim',
-      author_email='fafhrd@legco.biz',
-      packages=['timerserver'],
-      zip_safe=False,
-      package_data={'timerserver': ['component.xml']},
-    )