Is the module being accessed as part of an HTTP request to the app, or via
an external script?
On Wednesday, July 31, 2013 9:50:56 AM UTC-4, Mark Finkelstein wrote:
>
> Well here's some code:
>
> def tags_link_insert(self, table_id, table_name, tags):
> if not isinstance(table_name, str):
> raise TypeError("table_name must be of type str")
> if not isinstance(tags, (list, tuple)):
> tags = [tags]
> tagstb = self.tags_table
> linkstb = self.links_table
> for item in tags:
> if not isinstance(item, str):
> raise TypeError('tags must be of type str')
> tag_item = self.db(tagstb.tag==item).select(tagstb.id).first()
> tag_id = tag_item['id'] if tag_item else tagstb.insert(tag=
> item)
> ret = linkstb.insert(table_id=table_id,
> table_name=table_name,tag_id
> =tag_id)
>
> self.db is set in the __init__ as follows, where tdb is set to the defined
> db in db.py after which a call is made to the class:
> def __init__(self, tdb, tables, orderby=None, user_signature=False,
> hmac_key=None, autopopulate=True):
> self.db = tdb
>
> When I look at ret and tag_id, I get valid return values, but when I look
> at the database, I can see that no commit was made.
>
> I read about exec_environment, are you saying that I can only access the
> db object through the environment? It seems
> Auth<http://www.web2py.com.ar/examples/static/epydoc/web2py.gluon.tools-pysrc.html#Auth>
> does
> not do this. I may be wrong though?
>
> On Wednesday, July 31, 2013 9:03:17 AM UTC-4, Anthony wrote:
>>
>> Show some code.
>>
>> On Tuesday, July 30, 2013 11:19:49 PM UTC-4, Mark Finkelstein wrote:
>>>
>>> I've been using current to access the db in my modules, but I would like
>>> to modularize my modules a bit so that I don't rely as much on current. I
>>> was wondering why db seems to not be accessible from the modules when
>>> passed by a caller and saved through the init statement. In other words, if
>>> I were to call Module(db) or as in Auth(db), it seems that if the module
>>> isnt able to commit to the db. Auth clearly is able to do this, and I
>>> believe I am following the Auth as an example well enough, but I thought
>>> there might be some peculiarities to modules that I am not aware of as
>>> clearly auth accesses the environment in a special way as well. I dont
>>> think there should be a difference between using self.db or current.db; but
>>> I may be mistaken? It seems when I change current.db to self.db, that is
>>> when problems arise.
>>>
>>> Thank you in advance!
>>>
>>
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