If you read the file (csv.reader(sent_file) or sent_file.readlines(), etc.)
you then have to rewind it:
sent_file.seek(0)
On Tuesday, 23 July 2013 21:18:07 UTC-5, __pyslan__ wrote:
>
> Hello everybody.
>
>
> I'm trying upload files with SQLFORM.grid.
>
> Model:
>
> FilesUploaded = db.define_table('files_uploaded',
> Field('name', notnull=True, label=T("Name")),
> Field('file_name', 'upload', notnull=False, label=T("File")),
> Field('owner_group', 'reference auth_group', notnull=True, label=T("Owner
> Group")),
> Field('creation', 'datetime', notnull=True,
> default=datetime.datetime.now(), label=T("Creation")),
> format='%(name)s')
>
>
> Constraints:
>
> FilesUploaded.owner_group.compute = lambda row:
> auth.user_groups.keys()[0]FilesUploaded.owner_group.readable =
> FalseFilesUploaded.owner_group.writable = False
> FilesUploaded.creation.writable = FalseFilesUploaded.file_name.requires =
> IS_LENGTH(maxsize=(1024*(1024*5)), error_message=T("Send files with a maximum
> size of") + " 5GB.")
>
>
> def upload_validation(form):
> sent_file = request.vars.file_name.file
> file_name = request.vars.file_name.filename
> extension_file = file_name.split('.')[-1]
>
> if extension_file == 'csv':
> import csv
> file_lines = list(csv.reader(sent_file, delimiter=',',
> quoting=csv.QUOTE_NONE))
> elif extension_file == 'txt':
> file_lines = list(sent_file.readlines())
> else:
> form.errors.file_name = T("The file types supported are .csv or .txt")
> return False
>
> max_lines = 100000
>
> if len(lines) > max_lines:
> form.errors.file_name = T("Maximum quantity per upload is %(qty)s
> lines.") % dict(qty = max_lines)
> return False
>
> Controller:
>
> form=SQLFORM.grid(query, csv=False, fields=fields, links=links,
> user_signature=True, onvalidation=upload_validation)
>
>
>
> 1 -> The file size is 0 bytes after upload.
> 2 -> But, if I put the command "print request" on the last line of
> upload_validation function, works fine.
>
>
> If anyone can help me, I appreciate!
>
>
> __pyslan__
>
>
>
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