def _cb_remove(self, node, user_data):
"lo stato non e' ready di sicuro del nodo"
log.info('target %s: cancelling %s on failed %s' % (self.target, node.name, user_data['failed_action']))
if node.name in self.actions:
del self.actions[node.name]
if node.name != user_data['failed_action']:
user_data['deleted'].append(node.name)
def stop(self, seconds_offset=0):
log.info('stopping process %s' % self.process.pk)
when = datetime.datetime.now() + datetime.timedelta(seconds=seconds_offset)
self.process.end_date = when
self.process.save()
self.gameover = True
self.deferred.callback(None)
def stop(self, seconds_offset=0):
log.info('stopping process %s' % self.process.pk)
when = datetime.datetime.now() + datetime.timedelta(
seconds=seconds_offset)
self.process.end_date = when
self.process.save()
self.gameover = True
def run(self, seconds_offset=0):
log.info('starting process %s' % self.process.pk)
when = datetime.datetime.now() + datetime.timedelta(
seconds=seconds_offset)
self.process.start_date = when
self.process.save()
return defer.Deferred() # never used
def _cb_remove(self, node, user_data):
"lo stato non e' ready di sicuro del nodo"
log.info('target %s: cancelling %s on failed %s' %
(self.target, node.name, user_data['failed_action']))
if node.name in self.actions:
del self.actions[node.name]
if node.name != user_data['failed_action']:
user_data['deleted'].append(node.name)
def action_to_run(self):
"""Return the first action ready to run.
If all actions are done, failed, or cancelled, returns None
If no action is ready to run returns ''
"""
#log.debug("action_to_run item=%s, actions=%s ready=%s" % (self.target, len(self.actions), len(self.ready))) #d
if not self.actions:
#log.debug('action_to_run: no actions') #d
return None
if not self.ready:
#log.debug('action_to_run: nothing ready') #d
return ''
else:
r = min(self.ready)
action = self.action_list[r]
log.info('### target %s: run %s' % (self.target, action))
self.ready.remove(r)
self.dag.visit(action, self._cb_set_to_wait, action)
#self.show() #d
return action
def action_to_run(self):
"""Return the first action ready to run.
If all actions are done, failed, or cancelled, returns None
If no action is ready to run returns ''
"""
#log.debug("action_to_run item=%s, actions=%s ready=%s" % (self.target, len(self.actions), len(self.ready))) #d
if not self.actions:
#log.debug('action_to_run: no actions') #d
return None
if not self.ready:
#log.debug('action_to_run: nothing ready') #d
return ''
else:
r = min(self.ready)
action = self.action_list[r]
log.info('### target %s: run %s' % (self.target, action))
self.ready.remove(r)
self.dag.visit(action, self._cb_set_to_wait, action)
#self.show() #d
return action
def _get_scripts(self, pipeline):
"""Load scripts from plugin directory.
Returns the dictionary
{'script_name': (callable, params)}
Throws an exception if not all scripts can be loaded.
"""
plugins_module = self.cfg.get("MPROCESSOR", "plugins")
scripts = {}
for script_key, script_dict in pipeline.items():
script_name = script_dict['script_name']
full_name = plugins_module + '.' + script_name + '.run'
p = full_name.split('.')
log.info('<$> loading script: %s' % '.'.join(p[:-1]))
m = __import__('.'.join(p[:-1]), fromlist = p[:-1])
f = getattr(m, p[-1], None)
if not f or not callable(f):
raise BatchError('Plugin %s has no callable run method' % script_name)
else:
scripts[script_key] = (f, script_dict.get('params', {}))
return scripts
def execute(self,
workspace, # workspace object
item_id, # item pk
source_variant, # name of the variant
output_variant, # name of the variat
output_preset, # a mime type or a Mediadart PRESET
**preset_params # additional parameters (see adapter server for explanation)
):
log.info('%s.execute' % self)
log.info('output_preset %s'%output_preset)
log.info('self.presets %s'%self.presets)
if output_preset not in self.presets:
raise Exception('%s: unsupported output_preset' % (self, output_preset))
try:
output_type = Type.objects.get_or_create_by_mime(self.presets[output_preset])
item, source = get_source_rendition(item_id, source_variant, workspace)
output_variant_obj = Variant.objects.get(name = output_variant)
output_component = item.create_variant(output_variant_obj, workspace, output_type)
output_component.source = source
output_file = get_storage_file_name(item.ID, workspace.pk, output_variant_obj.name, output_type.ext)
except Exception, e:
self.deferred.errback(Failure(e))
return
def execute(
self,
workspace, # workspace object
item_id, # item pk
source_variant, # name of the variant
output_variant, # name of the variat
output_preset, # a mime type or a Mediadart PRESET
**preset_params # additional parameters (see adapter server for explanation)
):
log.info("%s.execute" % self)
log.info("output_preset %s" % output_preset)
log.info("self.presets %s" % self.presets)
if output_preset not in self.presets:
raise Exception("%s: unsupported output_preset" % (self, output_preset))
try:
output_type = Type.objects.get_or_create_by_mime(self.presets[output_preset])
item, source = get_source_rendition(item_id, source_variant, workspace)
output_variant_obj = Variant.objects.get(name=output_variant)
output_component = item.create_variant(output_variant_obj, workspace, output_type)
output_component.source = source
output_file = get_storage_file_name(item.ID, workspace.pk, output_variant_obj.name, output_type.ext)
except Exception, e:
self.deferred.errback(Failure(e))
return
def _get_scripts(self, pipeline):
"""Load scripts from plugin directory.
Returns the dictionary
{'script_name': (callable, params)}
Throws an exception if not all scripts can be loaded.
"""
plugins_module = self.cfg.get("MPROCESSOR", "plugins")
scripts = {}
for script_key, script_dict in pipeline.items():
script_name = script_dict['script_name']
full_name = plugins_module + '.' + script_name + '.run'
p = full_name.split('.')
log.info('<$> loading script: %s' % '.'.join(p[:-1]))
m = __import__('.'.join(p[:-1]), fromlist=p[:-1])
f = getattr(m, p[-1], None)
if not f or not callable(f):
raise BatchError('Plugin %s has no callable run method' %
script_name)
else:
scripts[script_key] = (f, script_dict.get('params', {}))
return scripts
def wake_process(self, restarting):
running_processes = Process.objects.filter(Q(end_date=None) & ~Q(start_date=None))
log.info("Running processes: %d" % len(running_processes))
if running_processes:
if restarting:
log.info("Restarting process %s" % (running_processes[0].pk))
return running_processes[0] # rerun a running process, some actions
# will be repeated
else:
log.info("Process %s already running, doing nothing" % (running_processes[0].pk))
return None # a process is already running, do nothing
else:
waiting_processes = Process.objects.filter(start_date=None)
log.info("Number of waiting processes: %d" % len(waiting_processes))
if waiting_processes:
log.info("running the waiting process %s" % (waiting_processes[0].pk))
return waiting_processes[0]
else:
log.info("No waiting process: doing nothing")
return None
def run(self, seconds_offset = 0):
log.info('starting process %s' % self.process.pk)
when = datetime.datetime.now() + datetime.timedelta(seconds=seconds_offset)
self.process.start_date = when
self.process.save()
return defer.Deferred() # never used
def wake_process(self, restarting):
running_processes = Process.objects.filter(
Q(end_date=None) & ~Q(start_date=None))
log.info("Running processes: %d" % len(running_processes))
if running_processes:
if restarting:
log.info("Restarting process %s" % (running_processes[0].pk))
return running_processes[
0] # rerun a running process, some actions
# will be repeated
else:
log.info("Process %s already running, doing nothing" %
(running_processes[0].pk))
return None # a process is already running, do nothing
else:
waiting_processes = Process.objects.filter(start_date=None)
log.info("Number of waiting processes: %d" %
len(waiting_processes))
if waiting_processes:
log.info("running the waiting process %s" %
(waiting_processes[0].pk))
return waiting_processes[0]
else:
log.info("No waiting process: doing nothing")
return None
