[DB-SIG] Use of context managers with DB API 2

M.-A. Lemburg mal at egenix.com
Mon Dec 3 13:03:08 CET 2012


On 03.12.2012 11:29, Daniele Varrazzo wrote:
> On Mon, Dec 3, 2012 at 9:01 AM, M.-A. Lemburg <mal at egenix.com> wrote:
>> On 03.12.2012 02:42, Daniele Varrazzo wrote:
>>> On Mon, Nov 5, 2012 at 9:28 AM, M.-A. Lemburg <mal at egenix.com> wrote:
>>>> On 04.11.2012 23:24, Christoph Zwerschke wrote:
>>>>> To wrap everything up, as a result of our discussion, I will do the following in the next version of
>>>>> PyGreSQL:
>>>>>
>>>>> * make connections context managers for transactions
>>>>>   (may not be the optimal solution, but it's already established)
>>>>> * make cursors self-closing context managers (evident)
>>>>> * not implement shortcut functions (see above)
>>>>>
>>>>> Is everybody happy with that?
>>>>
>>>> Sounds good :-)
>>>
>>> Is there a final wording for the context managers in the dbapi?
>>
>> No, not yet. I wanted to add some text, but got distracted by other
>> things. I'll try to get around to it this week, unless someone beats
>> me to it :-)
> 
> I'd just like to be sure that the version I've implemented (as
> described here:
> <https://github.com/dvarrazzo/psycopg/commit/c2f284cd3b7d3b33f4de348aaac62590feda8c78#L2R554>)
> is conform to the specs or if it requires any tweak.

It sounds exactly like what we've discussed. I also plan to add
a Python example to illustrate the context manager logic.

-- 
Marc-Andre Lemburg
eGenix.com

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