119 lines
3 KiB
Python
119 lines
3 KiB
Python
# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd.
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# MIT License. See license.txt
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from __future__ import unicode_literals
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"""
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Scheduler will call the following events from the module
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`startup.schedule_handler` and Control Panel (for server scripts)
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execute_always
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execute_daily
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execute_monthly
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execute_weekly
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The scheduler should be called from a cron job every x minutes (5?) depending
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on the need.
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"""
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import webnotes
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def execute():
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"""
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execute jobs
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this method triggers the other scheduler events
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Database connection: Ideally it should be connected from outside, if there is
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no connection, it will connect from defs.py
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"""
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from datetime import datetime
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import webnotes.utils
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format = '%Y-%m-%d %H:%M:%S'
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if not webnotes.conn:
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webnotes.connect()
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out = []
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nowtime = webnotes.utils.now_datetime()
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last = webnotes.conn.get_global('scheduler_last_event')
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# set scheduler last event
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webnotes.conn.begin()
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webnotes.conn.set_global('scheduler_last_event', nowtime.strftime(format))
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webnotes.conn.commit()
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if last:
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last = datetime.strptime(last, format)
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if nowtime.day != last.day:
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# if first task of the day execute daily tasks
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out.append('daily:' + trigger('execute_daily'))
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if nowtime.month != last.month:
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out.append('monthly:' + trigger('execute_monthly'))
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if nowtime.weekday()==0:
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out.append('weekly:' + trigger('execute_weekly'))
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if nowtime.hour != last.hour:
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out.append('hourly:' + trigger('execute_hourly'))
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out.append('all:' + trigger('execute_all'))
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return '\n'.join(out)
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def trigger(method):
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"""trigger method in startup.schedule_handler"""
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try:
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import startup.schedule_handlers
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if hasattr(startup.schedule_handlers, method):
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webnotes.conn.begin()
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getattr(startup.schedule_handlers, method)()
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webnotes.conn.commit()
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return 'ok'
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except Exception:
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return log(method)
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try:
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cp = webnotes.bean("Control Panel", "Control Panel")
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cp.run_method(method)
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except Exception:
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return log(method)
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def log(method):
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"""log error in patch_log"""
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import webnotes
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if not (webnotes.conn and webnotes.conn._conn):
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webnotes.connect()
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webnotes.conn.rollback()
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traceback = webnotes.getTraceback()
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import webnotes.utils
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webnotes.conn.begin()
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d = webnotes.doc("Scheduler Log")
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d.method = method
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d.error = traceback
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d.save()
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webnotes.conn.commit()
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return traceback
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def report_errors():
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from webnotes.utils.email_lib import sendmail_to_system_managers
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from webnotes.utils import get_url
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errors = [("""<p>Time: %(modified)s</p>
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<pre><code>%(error)s</code></pre>""" % d) for d in webnotes.conn.sql("""select modified, error
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from `tabScheduler Log` where DATEDIFF(NOW(), modified) < 1 limit 10""", as_dict=True)]
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if errors:
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sendmail_to_system_managers("ERPNext Scheduler Failure Report", ("""
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<p>Dear System Managers,</p>
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<p>Reporting ERPNext failed scheduler events for the day (max 10):</p>
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<p>URL: <a href="%(url)s" target="_blank">%(url)s</a></p><hr>""" % {"url":get_url()}) + "<hr>".join(errors))
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if __name__=='__main__':
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execute()
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