Thank you Massimo, it worked
best regards
Gerd
Am Mittwoch, 17. Juli 2013 11:36:31 UTC+2 schrieb Massimo Di Pierro:
>
> Try this instead:
>
> request.vars.uploaded_file.file = StringIO.StringIO(data)
>
> On Wednesday, 17 July 2013 03:54:32 UTC-5, Gerd wrote:
>>
>> Hi!
>>
>> I have to anonymize HL7 file (replace all personal data with x). How can
>> i process an uploaded file "on the fly". This is what i've tried (when it
>> runs it actually saves the original file content, not the processed)
>>
>> *# Model*
>> db.define_table('filetypes',
>> Field('filetype','string'),
>> Field('seperator','string'),
>> Field('omit','string'),
>> format='%(filetype)s'
>> )
>>
>> db.define_table('anonymize',
>> Field('filetype','reference filetypes'),
>> Field('uploaded_file','upload')
>> )
>>
>> *# Controller*
>> def index():
>> """
>> example action using the internationalization operator T and flash
>> rendered by views/default/index.html or views/generic.html
>>
>> if you need a simple wiki simple replace the two lines below with:
>> return auth.wiki()
>> """
>> form = SQLFORM(db.anonymize)
>>
>> data = ''
>> import re
>> hl7 =
>> {'PID':{'pattern':'PID\|','separator':'|','omit':(0,1,2,3)},'NK1':{'pattern':'NK1\|','separator':'|','omit':(0,)},'PV1':{'pattern':'PV1\|','separator':'|','omit':(0,)},'IN1':{'pattern':'IN1\|','separator':'|','omit':(0,)}}
>> if request.vars.uploaded_file != None and
>> request.vars.uploaded_file.filename != '':
>> if re.search('|'.join([hl7[k]['pattern'] for k in hl7]),
>> request.vars.uploaded_file.value):
>> for line in request.vars.uploaded_file.value.splitlines():
>> replaced_text = ''
>> for k in hl7:
>> replaced_text = '|'.join([len(val) * 'x' if idx not
>> in hl7[k]['omit'] else val for idx, val in enumerate([splitted_text for
>> splitted_text in line.split(hl7[k]['separator'])])]) if
>> re.search(hl7[k]['pattern'],line) else replaced_text
>> data += (replaced_text if replaced_text != '' else line)
>> + '\n'
>> request.vars.uploaded_file.value = data
>> else:
>> data = 'No HL7 Format'
>> else:
>> data = u'No file chosen'
>>
>> if form.process().accepted:
>> response.flash = 'form accepted'
>> elif form.errors:
>> response.flash = 'form has errors'
>> return locals()
>>
>> I thought that the line
>> request.vars.uploaded_file.value = data
>> replaces the original data of the uploaded file, so that the
>> form.process() processes the new (replaced) value
>>
>> What i am doing wrong here?
>>
>> Thanks,
>> Gerd
>>
>
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