169 lines
4.6 KiB
Python
169 lines
4.6 KiB
Python
# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
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# MIT License. See license.txt
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"""
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Events:
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always
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daily
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monthly
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weekly
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"""
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from __future__ import unicode_literals
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import frappe
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import json
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import frappe.utils
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from frappe.utils.file_lock import create_lock, check_lock, delete_lock
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from datetime import datetime
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DATETIME_FORMAT = '%Y-%m-%d %H:%M:%S'
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def enqueue_events(site):
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if is_scheduler_disabled():
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return
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# lock before queuing begins
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lock = create_lock('scheduler')
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if not lock:
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return
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nowtime = frappe.utils.now_datetime()
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last = frappe.db.get_value('System Settings', 'System Settings', 'scheduler_last_event')
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# set scheduler last event
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frappe.db.begin()
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frappe.db.set_value('System Settings', 'System Settings', 'scheduler_last_event', nowtime.strftime(DATETIME_FORMAT), update_modified=False)
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frappe.db.commit()
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out = []
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if last:
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last = datetime.strptime(last, DATETIME_FORMAT)
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out = enqueue_applicable_events(site, nowtime, last)
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delete_lock('scheduler')
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return '\n'.join(out)
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def enqueue_applicable_events(site, nowtime, last):
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nowtime_str = nowtime.strftime(DATETIME_FORMAT)
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out = []
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enabled_events = get_enabled_scheduler_events()
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def trigger_if_enabled(site, event, now=False):
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if event in enabled_events:
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trigger(site, event, now=now)
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_log(event)
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def _log(event):
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out.append("{time} - {event} - queued".format(time=nowtime_str, event=event))
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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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trigger_if_enabled(site, "daily")
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trigger_if_enabled(site, "daily_long")
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if nowtime.month != last.month:
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trigger_if_enabled(site, "monthly")
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trigger_if_enabled(site, "monthly_long")
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if nowtime.weekday()==0:
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trigger_if_enabled(site, "weekly")
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trigger_if_enabled(site, "weekly_long")
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if "all" not in enabled_events:
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trigger(site, "all")
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if "hourly" not in enabled_events:
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trigger(site, "hourly")
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if nowtime.hour != last.hour:
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trigger_if_enabled(site, "hourly")
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trigger_if_enabled(site, "hourly_long")
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trigger_if_enabled(site, "all")
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return out
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def trigger(site, event, now=False):
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"""trigger method in startup.schedule_handler"""
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from frappe.tasks import scheduler_task
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for handler in frappe.get_hooks("scheduler_events").get(event, []):
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if not check_lock(handler):
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if not now:
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scheduler_task.delay(site=site, event=event, handler=handler)
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else:
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scheduler_task(site=site, event=event, handler=handler, now=True)
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if frappe.flags.in_test:
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frappe.flags.ran_schedulers.append(event)
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def log(method, message=None):
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"""log error in patch_log"""
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message = frappe.utils.cstr(message) + "\n" if message else ""
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message += frappe.get_traceback()
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if not (frappe.db and frappe.db._conn):
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frappe.connect()
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frappe.db.rollback()
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frappe.db.begin()
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d = frappe.new_doc("Scheduler Log")
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d.method = method
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d.error = message
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d.insert(ignore_permissions=True)
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frappe.db.commit()
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return message
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def get_enabled_scheduler_events():
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enabled_events = frappe.db.get_global("enabled_scheduler_events")
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if enabled_events:
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return json.loads(enabled_events)
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return ["all", "hourly", "hourly_long", "daily", "daily_long", "weekly", "weekly_long", "monthly", "monthly_long"]
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def is_scheduler_disabled():
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if frappe.conf.disable_scheduler:
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return True
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return not frappe.utils.cint(frappe.db.get_single_value("System Settings", "enable_scheduler"))
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def toggle_scheduler(enable):
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ss = frappe.get_doc("System Settings")
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ss.enable_scheduler = 1 if enable else 0
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ss.flags.ignore_mandatory = True
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ss.save()
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def enable_scheduler():
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toggle_scheduler(True)
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def disable_scheduler():
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toggle_scheduler(False)
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def get_errors(from_date, to_date, limit):
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errors = frappe.db.sql("""select modified, method, error from `tabScheduler Log`
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where date(modified) between %s and %s
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and error not like '%%[Errno 110] Connection timed out%%'
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order by modified limit %s""", (from_date, to_date, limit), as_dict=True)
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return ["""<p>Time: {modified}</p><pre><code>Method: {method}\n{error}</code></pre>""".format(**e)
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for e in errors]
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def get_error_report(from_date=None, to_date=None, limit=10):
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from frappe.utils import get_url, now_datetime, add_days
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if not from_date:
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from_date = add_days(now_datetime().date(), -1)
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if not to_date:
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to_date = add_days(now_datetime().date(), -1)
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errors = get_errors(from_date, to_date, limit)
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if errors:
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return 1, """<h4>Scheduler Failed Events (max {limit}):</h4>
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<p>URL: <a href="{url}" target="_blank">{url}</a></p><hr>{errors}""".format(
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limit=limit, url=get_url(), errors="<hr>".join(errors))
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else:
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return 0, "<p>Scheduler didn't encounter any problems.</p>"
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