What does "writable=false if forms" mean and WHAT should I apply this to?
And where should I plug this "URL('mydownload', ... ) into? Sorry, but I
understand if you just write some web2py-specific code completely out of
contex. It requires some explanation.
W dniu niedziela, 3 sierpnia 2014 00:22:57 UTC+2 użytkownik Massimo Di
Pierro napisał:
>
> Than it is easy. make it writable=false if forms.
> Store your filename in the the upload field. But instead of
>
> URL('download',....)
>
> use
>
> URL('mydownload',....)
>
>
> Where:
>
> def mydownload():
> fullname = os.path.join(os.path.join, 'private', request.args(0))
> response.stream(fullname)
>
>
> On Wednesday, 30 July 2014 03:00:48 UTC-5, Kuba Kozłowicz wrote:
>>
>> f_invoice_file_path is location where the file is stored by myself,
>> because I generate these files myself and I save them myself as well. It
>> contains whole path to the file ( with the filename and its extension ).
>> They are stored under "private" directory with the structure I described
>> above. I don't need web2py to handle writing of these files ( because I am
>> doing it myself ), I just need to be able to browse and download these file
>> in SMART GRID as well as on VIEW page. And since I don't use default web2py
>> storing mechanism ( which does some name changing ) I can't simply do that
>> or I don't know how to do it.
>>
>> W dniu wtorek, 29 lipca 2014 17:35:02 UTC+2 użytkownik Massimo Di Pierro
>> napisał:
>>>
>>> Let me understand this better f_invoice_file_path is the location where
>>> the file is supposed to be stored or is it the full path including the
>>> desired filename? Do you handle the file writing or should web2py do it
>>> automatically?
>>>
>>>
>>> On Tuesday, 29 July 2014 05:59:10 UTC-5, Kuba Kozłowicz wrote:
>>>>
>>>> I have three tables:
>>>>
>>>> - invoices
>>>> - invoice summaries
>>>> - invoice bundles
>>>>
>>>> The website I am working on provides such a functionality, that user
>>>> uploads a file, from which invoices and invoice summaries are generated
>>>> and
>>>> after being generated they are zipped and put into a bundle.
>>>>
>>>> For each upload I create following structure for storing these files:
>>>>
>>>> invoices/
>>>> /<bundle_id>/<list of invoices of bundle <bundle_id>>/
>>>> summaries/
>>>> /<bundle_id>/<list of invoices of bundle <bundle_id>>/
>>>> bundles/
>>>> /<bundle_id>/<list of invoices of bundle <bundle_id>>/
>>>>
>>>>
>>>>
>>>> So I end up having something that looks like this
>>>>
>>>> invoices/
>>>> /1/<list of invoices of bundle_1>/
>>>> /invoice1.pdf
>>>> /invoice2.pdf
>>>> /2/<list of invoices of bundle_2>/
>>>> /invoice1.pdf
>>>> /invoice2.pdf
>>>> /3/<list of invoices of bundle_3>/
>>>> /invoice1.pdf
>>>> /invoice2.pdf
>>>> summaries/
>>>> /1/<list of summaries of bundle_1>/
>>>> /summary1.pdf
>>>> /2/<list of summaries of bundle_2>/
>>>> /summary1.pdf
>>>> /3/<list of summaries of bundle_3>/
>>>> /summary1.pdf
>>>> bundles/
>>>> /1/<bundle_1>/
>>>> /bundle.zip
>>>> /2/<bundle_2>/
>>>> /bundle.zip
>>>> /3/<bundle_3>/
>>>> /bundle.zip
>>>>
>>>>
>>>>
>>>>
>>>> where inner folder name is ID of recently created bundle.
>>>>
>>>> Now to provide CRUD functionality I am using SMART GRID and I want to
>>>> be able to display the file of invoice, summary, bundle entries ( by
>>>> displaying I mean I want to display file's name and allow downloading it
>>>> ),
>>>> when a user either chooses VIEW in the SMART GRID or when he looks at the
>>>> list of entries. Since I've chosen my own folder structure for storing
>>>> these invoices, summaries and bundles I can't do it in a simple way,
>>>> because Web2py uses its own mechanism to store and retrieve files and
>>>> changse file's name. So in each of these tables I store the following
>>>> fields:
>>>> Field('f_invoice_file_path', type='string')
>>>> Field('f_invoice_file', 'upload')
>>>>
>>>>
>>>>
>>>> what I wanted to do is something like this:
>>>>
>>>> def on_before_insert_invoice(fields, id):
>>>> db(db.t_invoice.id == id).update(
>>>> f_invoice_file=fields['f_invoice_file_path']
>>>> )
>>>> db.t_invoice._before_insert.append(
>>>> on_before_insert_invoice
>>>> )
>>>>
>>>> , here actually *fields* contains a list of tuples in following format
>>>> (field, value) so I had to iterate over it to find fields[
>>>> 'f_invoice_file_path'], I just omitted this part for brevity.
>>>>
>>>> , but I get following error and most likely it is not the proper way to
>>>> do that:
>>>>
>>>> *** RuntimeError: Unable to handle upload
>>>>
>>>> Note that the field:
>>>>
>>>> Field('f_invoice_file_path', type='string')
>>>>
>>>> is saved correctly, I just need somehow to make upload field point to
>>>> that location. The next weird thing is that variable *fields* doesn't
>>>> contain field Field('f_invoice_file', 'upload')
>>>> , even though I added it to the model, settings.migrate is set to True,
>>>> and server has been restarted.
>>>>
>>>> How can I do it?
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
--
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