Give this a try... it may need some debugging 1) install the plugin:
2) in the controller actions that need some locking
lock=plugin_locking('tablename',record_id)
if not lock:
# record was locked
redirect(....)
else:
# lock acquired
return dict(...,lock=lock)
3) and in page view:
{{=lock}}
will insert the JS that will renew the lock as long as the page is open
The lock will be associated to the record_id of tablename and any
other user trying to access any other page locking the same record
will be unable to do so.
As a shortcut you can simply insert{{=plugin_locking('tablename',record_id) or 'this record was locked by another user'}}
or
{{=plugin_locking('tablename',record_id) or redirect('somehwre')}}
Massimo
web2py.plugin.locking.w2p
Description: Binary data
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