diff env/lib/python3.7/site-packages/boto/manage/task.py @ 5:9b1c78e6ba9c draft default tip

"planemo upload commit 6c0a8142489327ece472c84e558c47da711a9142"
author shellac
date Mon, 01 Jun 2020 08:59:25 -0400
parents 79f47841a781
children
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--- a/env/lib/python3.7/site-packages/boto/manage/task.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,176 +0,0 @@
-# Copyright (c) 2006-2009 Mitch Garnaat http://garnaat.org/
-#
-# Permission is hereby granted, free of charge, to any person obtaining a
-# copy of this software and associated documentation files (the
-# "Software"), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish, dis-
-# tribute, sublicense, and/or sell copies of the Software, and to permit
-# persons to whom the Software is furnished to do so, subject to the fol-
-# lowing conditions:
-#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
-# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
-# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-# IN THE SOFTWARE.
-#
-
-import boto
-from boto.sdb.db.property import StringProperty, DateTimeProperty, IntegerProperty
-from boto.sdb.db.model import Model
-import datetime, subprocess, time
-from boto.compat import StringIO
-
-def check_hour(val):
-    if val == '*':
-        return
-    if int(val) < 0 or int(val) > 23:
-        raise ValueError
-
-class Task(Model):
-
-    """
-    A scheduled, repeating task that can be executed by any participating servers.
-    The scheduling is similar to cron jobs.  Each task has an hour attribute.
-    The allowable values for hour are [0-23|*].
-
-    To keep the operation reasonably efficient and not cause excessive polling,
-    the minimum granularity of a Task is hourly.  Some examples:
-
-         hour='*' - the task would be executed each hour
-         hour='3' - the task would be executed at 3AM GMT each day.
-
-    """
-    name = StringProperty()
-    hour = StringProperty(required=True, validator=check_hour, default='*')
-    command = StringProperty(required=True)
-    last_executed = DateTimeProperty()
-    last_status = IntegerProperty()
-    last_output = StringProperty()
-    message_id = StringProperty()
-
-    @classmethod
-    def start_all(cls, queue_name):
-        for task in cls.all():
-            task.start(queue_name)
-
-    def __init__(self, id=None, **kw):
-        super(Task, self).__init__(id, **kw)
-        self.hourly = self.hour == '*'
-        self.daily = self.hour != '*'
-        self.now = datetime.datetime.utcnow()
-
-    def check(self):
-        """
-        Determine how long until the next scheduled time for a Task.
-        Returns the number of seconds until the next scheduled time or zero
-        if the task needs to be run immediately.
-        If it's an hourly task and it's never been run, run it now.
-        If it's a daily task and it's never been run and the hour is right, run it now.
-        """
-        boto.log.info('checking Task[%s]-now=%s, last=%s' % (self.name, self.now, self.last_executed))
-
-        if self.hourly and not self.last_executed:
-            return 0
-
-        if self.daily and not self.last_executed:
-            if int(self.hour) == self.now.hour:
-                return 0
-            else:
-                return max( (int(self.hour)-self.now.hour), (self.now.hour-int(self.hour)) )*60*60
-
-        delta = self.now - self.last_executed
-        if self.hourly:
-            if delta.seconds >= 60*60:
-                return 0
-            else:
-                return 60*60 - delta.seconds
-        else:
-            if int(self.hour) == self.now.hour:
-                if delta.days >= 1:
-                    return 0
-                else:
-                    return 82800 # 23 hours, just to be safe
-            else:
-                return max( (int(self.hour)-self.now.hour), (self.now.hour-int(self.hour)) )*60*60
-
-    def _run(self, msg, vtimeout):
-        boto.log.info('Task[%s] - running:%s' % (self.name, self.command))
-        log_fp = StringIO()
-        process = subprocess.Popen(self.command, shell=True, stdin=subprocess.PIPE,
-                                   stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-        nsecs = 5
-        current_timeout = vtimeout
-        while process.poll() is None:
-            boto.log.info('nsecs=%s, timeout=%s' % (nsecs, current_timeout))
-            if nsecs >= current_timeout:
-                current_timeout += vtimeout
-                boto.log.info('Task[%s] - setting timeout to %d seconds' % (self.name, current_timeout))
-                if msg:
-                    msg.change_visibility(current_timeout)
-            time.sleep(5)
-            nsecs += 5
-        t = process.communicate()
-        log_fp.write(t[0])
-        log_fp.write(t[1])
-        boto.log.info('Task[%s] - output: %s' % (self.name, log_fp.getvalue()))
-        self.last_executed = self.now
-        self.last_status = process.returncode
-        self.last_output = log_fp.getvalue()[0:1023]
-
-    def run(self, msg, vtimeout=60):
-        delay = self.check()
-        boto.log.info('Task[%s] - delay=%s seconds' % (self.name, delay))
-        if delay == 0:
-            self._run(msg, vtimeout)
-            queue = msg.queue
-            new_msg = queue.new_message(self.id)
-            new_msg = queue.write(new_msg)
-            self.message_id = new_msg.id
-            self.put()
-            boto.log.info('Task[%s] - new message id=%s' % (self.name, new_msg.id))
-            msg.delete()
-            boto.log.info('Task[%s] - deleted message %s' % (self.name, msg.id))
-        else:
-            boto.log.info('new_vtimeout: %d' % delay)
-            msg.change_visibility(delay)
-
-    def start(self, queue_name):
-        boto.log.info('Task[%s] - starting with queue: %s' % (self.name, queue_name))
-        queue = boto.lookup('sqs', queue_name)
-        msg = queue.new_message(self.id)
-        msg = queue.write(msg)
-        self.message_id = msg.id
-        self.put()
-        boto.log.info('Task[%s] - start successful' % self.name)
-
-class TaskPoller(object):
-
-    def __init__(self, queue_name):
-        self.sqs = boto.connect_sqs()
-        self.queue = self.sqs.lookup(queue_name)
-
-    def poll(self, wait=60, vtimeout=60):
-        while True:
-            m = self.queue.read(vtimeout)
-            if m:
-                task = Task.get_by_id(m.get_body())
-                if task:
-                    if not task.message_id or m.id == task.message_id:
-                        boto.log.info('Task[%s] - read message %s' % (task.name, m.id))
-                        task.run(m, vtimeout)
-                    else:
-                        boto.log.info('Task[%s] - found extraneous message, ignoring' % task.name)
-            else:
-                time.sleep(wait)
-
-
-
-
-
-