Job: + whenStarted, whenFinished callbacks; remove transport/httpput.py

git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1913 fd906abe-77d9-0310-91a1-e0d9ade77398

agent/core.py

@@ -28,7 +28,7 @@ from loops.agent.interfaces import IAgent
 from loops.agent.config import Configurator
 from loops.agent.crawl import filesystem
 from loops.agent.schedule import Scheduler, Stopper
-from loops.agent.transport import httpput
+from loops.agent.transport import base
 
 
 crawlTypes = dict(
@@ -36,7 +36,7 @@ crawlTypes = dict(
 )
 
 transportTypes = dict(
-        httpput=httpput.Transporter,
+        httpput=base.Transporter,
 )
 
 

agent/interfaces.py

@@ -64,8 +64,15 @@ class IScheduledJob(Interface):
     startTime = Attribute('Date/time at which the job should be executed.')
     params = Attribute('Mapping with key/value pairs to be used by '
                        'the ``execute()`` method.')
+    repeat = Attribute('Number of seconds after which the job should be '
+                       'rescheduled. Do not repeat if 0.')
     successors = Attribute('Jobs to execute immediately after this '
-                           'one has been finished.')
+                       'one has been finished.')
+    whenStarted = Attribute('A callable with no arguments that will '
+                       'be called when the job has started.')
+    whenfinished = Attribute('A callable with one argument, the '
+                       'result of running the job, that will be called when '
+                       'the job has finished.')
 
     def execute():
         """ Execute the job.

agent/schedule.py

@@ -59,6 +59,9 @@ class Job(object):
 
     scheduler = None
 
+    whenStarted = lambda self: None
+    whenFinished = lambda self, result: None
+
     def __init__(self, **params):
         self.startTime = 0
         self.params = params
@@ -76,6 +79,7 @@ class Job(object):
     def run(self):
         d = self.execute()
         d.addCallback(self.finishRun)
+        self.whenStarted()
         # TODO: logging
 
     def finishRun(self, result):
@@ -86,6 +90,7 @@ class Job(object):
             job.params['result'] = result
             #job.run()
             self.scheduler.schedule(job)
+        self.whenFinished(result)
         # TODO: logging
         # reschedule if necessary
         if self.repeat:

agent/testing/server.py

@@ -33,8 +33,7 @@ from twisted.web import http
 class RequestHandler(http.Request):
 
     def process(self):
-        print '***', self.uri
-        print '***', self.content.read()
+        print '***', repr(self.content.read())
         if self.method in ('GET', 'POST'):
             self.write('<h1>Hello World</h1>')
             self.write('<p>dir(self): %s</p>' % dir(self))

agent/transport/base.py

@@ -81,8 +81,8 @@ class Transporter(object):
             data.close()
         else:
             text = data
-        # TODO: encode text
-        # TODO: set headers, esp Content-Type
+        # TODO: encode text (?)
+        # TODO: set headers: Content-Type, Authorization, User-Agent
         path = resource.path
         app = resource.application
         deferreds = []