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?
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
--
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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