aww, I love to see a cute monkey patch.
On Friday, August 10, 2012 3:28:03 PM UTC-7, Omri Har-Shemesh wrote:
>
> Hi Derek,
>
> thanks! the as_dict method has already been fixed in trunk to handle
> my use-case.
>
> best wishes,
> Omri
>
> On Sat, Aug 11, 2012 at 12:26 AM, Derek <sp1...@gmail.com <javascript:>>wrote:
>
>> You could monkey patch it in 0.py in models, perhaps.
>>
>>
>> On Thursday, July 26, 2012 1:10:43 AM UTC-7, Omri Har-Shemesh wrote:
>>
>>> I use the pickled field to store a dictionary. Since dictionary
>>> is not defined as a serializable type for the as_dict function,
>>> it is not returned when calling to as_dict.
>>> Adding it (dal.py line 6183) solved my problem, but I would
>>> like to keep this change when I update my web2py next. Is
>>> there a different way (without changing the dal) to achieve this?
>>> Could you add it to the dal.py? Is it without risks?
>>>
>>> Thanks,
>>> Omri
>>>
>>> On Thu, Jul 26, 2012 at 9:46 AM, Omri <omr...@gmail.com> wrote:
>>>
>>>> So I tried it out, and it works great, except for one thing - when I
>>>> try to use record.as_dict() to get
>>>> the structure which I can return to a JSON-RPC call which I normally
>>>> use to communicate with my
>>>> client, it simply does not return the field.
>>>> I tried to print it out and I see very clearly that as long as it is a
>>>> Row object there is no problem, but
>>>> as soon as I run .as_dict() it disappears.
>>>> My definitions are as follows:
>>>>
>>>> from gluon.dal import SQLCustomType
>>>> pickled = SQLCustomType(
>>>> type = 'text',
>>>> native = 'text',
>>>> encoder = (lambda x: pickle.dumps(x)),
>>>> decoder = (lambda x: pickle.loads(x))
>>>> )
>>>>
>>>> then I use
>>>> db.define_table("my_table",
>>>> Field("pickled_field", type=pickled)
>>>> )
>>>>
>>>> but when I fetch the record it does not go to as_dict() (actually I use
>>>> as_list() but both don't work).
>>>>
>>>> Any suggestions? Is there a way to teach as_dict to interpret this
>>>> field type?
>>>>
>>>> Best wishes,
>>>> Omri
>>>>
>>>>
>>>> On Wed, Jul 25, 2012 at 9:20 PM, howesc <how...@umich.edu> wrote:
>>>>
>>>>> For what it is worth i have used custom fields for this type of thing
>>>>> with great success!
>>>>>
>>>>>
>>>>> On Tuesday, July 24, 2012 8:20:03 AM UTC-7, Anthony wrote:
>>>>>>
>>>>>> You could use a SQLCustomType field: http://web2py.com/**books**
>>>>>> /default/chapter/29/6#**Custom-**Field-types-(**experimental)<http://web2py.com/books/default/chapter/29/6#Custom-Field-types-%28experimental%29>
>>>>>> .
>>>>>>
>>>>>> Anthony
>>>>>>
>>>>>> On Tuesday, July 24, 2012 8:34:07 AM UTC-4, Omri Har-Shemesh wrote:
>>>>>>>
>>>>>>>
>>>>>>> Hi web2pyers,
>>>>>>>
>>>>>>> very often, I have a field in the table which has to hold a
>>>>>>> complicated
>>>>>>> value (most often numpy arrays). The way I implement it is that I use
>>>>>>> "text" as the type of field, and then simply pickle.dumps(my_value)
>>>>>>> when
>>>>>>> I save the field, and then pickle.loads(value_from_db) to access the
>>>>>>> field
>>>>>>> again.
>>>>>>>
>>>>>>> My suggestion is simple - create field that automatically pickles
>>>>>>> the values
>>>>>>> it gets and unpickles them on extraction. Is this already
>>>>>>> implemented?
>>>>>>> Do you have other suggestions on how to implement this so that I
>>>>>>> won't need
>>>>>>> to pickle every time I access the table?
>>>>>>>
>>>>>>> Best wishes,
>>>>>>> Omri
>>>>>>>
>>>>>> --
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>> --
>>
>>
>>
>>
>
>
--
