Thanks.
It works.

On Tue, Aug 26, 2014 at 1:04 PM, Niphlod <[email protected]> wrote:

> there's yet a scheduler_task table in the database. Fix migrations in the
> usual way, or set Scheduler(db,....,migrate=False) to avoid the error.
>
>
> On Tuesday, August 26, 2014 8:58:06 AM UTC+2, Prasad Muley wrote:
>>
>> Hi,
>>      I've web2py 2.3 version. I tried to use scheduler for mail sending.
>> I got this error while creating a worker for scheduler
>>
>> $ python web2py.py -K send_mail_app
>>
>> [12:07:02]
>> web2py Web Framework
>> Created by Massimo Di Pierro, Copyright 2007-2014
>> Version 2.3.2 (2012-12-17 15:03:30) stable
>> Database drivers available: SQLite(sqlite2), SQLite(sqlite3),
>> MySQL(pymysql), MySQL(MySQLdb), PostgreSQL(psycopg2), PostgreSQL(pg8000),
>> MSSQL(pyodbc), DB2(pyodbc), Teradata(pyodbc), IMAP(imaplib)
>> starting single-scheduler for "send_mail_app"...
>> Traceback (most recent call last):
>>   File "/home/prasad/Rootpy/web2py 2.3/gluon/restricted.py", line 212, in
>> restricted
>>     exec ccode in environment
>>   File "applications/send_mail_app/models/scheduler.py", line 2, in
>> <module>
>>     mail_scheduler = Scheduler(db)
>>   File "/home/prasad/Rootpy/web2py 2.3/gluon/scheduler.py", line 449, in
>> __init__
>>     self.define_tables(db, migrate=migrate)
>>   File "/home/prasad/Rootpy/web2py 2.3/gluon/scheduler.py", line 501, in
>> define_tables
>>     migrate=migrate, format='%(task_name)s')
>>   File "/home/prasad/Rootpy/web2py 2.3/gluon/dal.py", line 7186, in
>> define_table
>>     table = self.lazy_define_table(tablename,*fields,**args)
>>   File "/home/prasad/Rootpy/web2py 2.3/gluon/dal.py", line 7222, in
>> lazy_define_table
>>     polymodel=polymodel)
>>   File "/home/prasad/Rootpy/web2py 2.3/gluon/dal.py", line 935, in
>> create_table
>>     self.create_sequence_and_triggers(query,table)
>>   File "/home/prasad/Rootpy/web2py 2.3/gluon/dal.py", line 1694, in
>> create_sequence_and_triggers
>>     self.execute(query)
>>   File "/home/prasad/Rootpy/web2py 2.3/gluon/dal.py", line 1709, in
>> execute
>>     return self.log_execute(*a, **b)
>>   File "/home/prasad/Rootpy/web2py 2.3/gluon/dal.py", line 1703, in
>> log_execute
>>     ret = self.cursor.execute(*a, **b)
>>   File "/usr/local/lib/python2.7/dist-packages/MySQLdb/cursors.py", line
>> 201, in execute
>>     self.errorhandler(self, exc, value)
>>   File "/usr/local/lib/python2.7/dist-packages/MySQLdb/connections.py",
>> line 36, in defaulterrorhandler
>>     raise errorclass, errorvalue
>> OperationalError: (1050, "Table 'scheduler_task' already exists")
>>
>> I've followed following instructions.
>>
>> *1) Created a file models/scheduler.py*
>>
>> #code from scheduler.py file
>> from gluon.scheduler import Scheduler
>> mail_scheduler = Scheduler(db)
>>
>>
>> def send_mail(to, subject, message, cc=None, bcc=None,
>>               attachments=None):
>>     """
>>     This module is called by scheduler.
>>     You can check scheduler_task table and scheduler.task_status table
>>     """
>>     if cc is None:
>>         cc = []
>>     if bcc is None:
>>         bcc = []
>>     if attachments is None:
>>         attachments = []
>>     #sending mail
>>     mail.send(to=to, cc=cc, bcc=bcc,
>>               subject=subject, message=message,
>>               attachments=attachments)
>>
>> *2) Called send_mail module in an external script.*
>> (scripts/send_mails.py)
>>
>> #extra code here
>> task = mail_scheduler.queue_task('send_mail',
>>                                              pvars={'to': email,
>>                                                     'subject': subject,
>>                                                     'message':
>> html_email},
>>
>> start_time=datetime.datetime.now())
>> print task
>>
>>
>> *3) Created a worker and got above error*
>>
>>
>> Am I missing some steps?
>>
>  --
> Resources:
> - http://web2py.com
> - http://web2py.com/book (Documentation)
> - http://github.com/web2py/web2py (Source code)
> - https://code.google.com/p/web2py/issues/list (Report Issues)
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-- 
Thanks and Regards
Prasad M. Muley
Programmer at One Delta Synergies Pvt Ltd. | PICT 2013

“Pretty much everything on the web uses those two things: *C* and *UNIX*,”
- Dennis Ritchie
                               *http://www.cs.bell-labs.com/who/dmr/*
<http://www.cs.bell-labs.com/who/dmr/>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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