brought examples up-to-date

examples/connect.py

@@ -1,27 +1,31 @@
-"""Spawn multiple greenlet-workers and collect their results.
+"""Spawn multiple workers and collect their results.
 
-Demonstrates how to use eventlet.green package and coros.Job.
+Demonstrates how to use eventlet.green package and proc module.
 """
+from eventlet import proc
 from eventlet.green import socket
-from eventlet.coros import Job
 
 # this example works with both standard eventlet hubs and with twisted-based hub
-# comment out the following line to use standard eventlet hub
-from twisted.internet import reactor
+# uncomment the following line to use twisted hub
+#from twisted.internet import reactor
 
 def geturl(url):
     c = socket.socket()
     ip = socket.gethostbyname(url)
     c.connect((ip, 80))
+    print '%s connected' % url
     c.send('GET /\r\n\r\n')
     return c.recv(1024)
 
 urls = ['www.google.com', 'www.yandex.ru', 'www.python.org']
-jobs = [Job.spawn_new(geturl, x) for x in urls]
-
+jobs = [proc.spawn(geturl, x) for x in urls]
 print 'spawned %s jobs' % len(jobs)
 
-# collect the results from workers, one by one
-for url, job in zip(urls, jobs):
-    print '%s: %s' % (url, repr(job.wait())[:50])
+# collect the results from workers
+results = proc.waitall(jobs)
+# Note, that any exception in the workers will be reraised by waitall
+# unless trap_errors argument specifies otherwise
+
+for url, result in zip(urls, results):
+    print '%s: %s' % (url, repr(result)[:50])
 

examples/twisted_http_proxy.py

@@ -63,5 +63,6 @@ def format_response(response):
 class MyFactory(Factory):
     protocol = LineOnlyReceiver
 
+print __doc__
 reactor.listenTCP(8888, MyFactory())
 reactor.run()

examples/twisted_portforward.py

@@ -3,9 +3,9 @@
 USAGE: twisted_portforward.py local_port remote_host remote_port"""
 import sys
 from twisted.internet import reactor
-from eventlet.coros import Job
 from eventlet.twistedutil import join_reactor
 from eventlet.twistedutil.protocol import GreenClientCreator, SpawnFactory, UnbufferedTransport
+from eventlet import proc
 
 def forward(source, dest):
     try:
@@ -22,10 +22,9 @@ def handler(local):
     client = str(local.getHost())
     print 'accepted connection from %s' % client
     remote = GreenClientCreator(reactor, UnbufferedTransport).connectTCP(remote_host, remote_port)
-    a = Job.spawn_new(forward, remote, local)
-    b = Job.spawn_new(forward, local, remote)
-    a.wait()
-    b.wait()
+    a = proc.spawn(forward, remote, local)
+    b = proc.spawn(forward, local, remote)
+    proc.waitall([a, b], trap_errors=True)
     print 'closed connection to %s' % client
 
 try:

examples/twisted_server.py

@@ -33,6 +33,7 @@ class Chat:
         finally:
             self.participants.remove(conn)
 
+print __doc__
 chat = Chat()
 from twisted.internet import reactor
 reactor.listenTCP(8007, SpawnFactory(chat.handler, LineOnlyReceiverTransport))

examples/twisted_srvconnector.py

@@ -8,21 +8,16 @@ from eventlet.twistedutil.protocols.basic import LineOnlyReceiverTransport
 class NoisySRVConnector(SRVConnector):
 
     def _ebGotServers(self, failure):
-        #self.failure = failure
         return SRVConnector._ebGotServers(self, failure)
 
     def pickServer(self):
         host, port = SRVConnector.pickServer(self)
-        #if not isinstance(port, int) and self.failure:
-        #        self.failure.raiseException()
         print 'Resolved _%s._%s.%s --> %s:%s' % (self.service, self.protocol, self.domain, host, port)
         return host, port
 
-# why TypeError is not raised here?
-
 cred = X509Credentials(None, None)
 creator = GreenClientCreator(reactor, LineOnlyReceiverTransport)
-conn = creator.connectSRV('msrpsx', 'ag-projects.com',
+conn = creator.connectSRV('msrps', 'ag-projects.com',
                           connectFuncName='connectTLS', connectFuncArgs=(cred,),
                           ConnectorClass=NoisySRVConnector)