What is the value of pk in
study_form_set = DiagnosticStudyFormSet(request.POST, request.FILES,
prefix='studies',
queryset=DiagnosticStudy.objects.filter(diagnostic__id=pk)). ?
Is pk an int? try print type(pk)
El martes, 12 de enero de 2016, Néstor Boscán <nesto...@gmail.com> escribió:
> Hi Django Forum
> I'm working on a web application that has a page with form set that
requires file upload. When I upload the files I get:
> Django Version:1.9.1
> Exception Type:ValueError
> Exception Value:
>
> invalid literal for int() with base 10: ''
>
> Exception
Location:C:\desarrollo\Python27\lib\site-packages\django\db\models\fields\__init__.py
in get_prep_value, line 976
> Python Executable:C:\desarrollo\Python27\python.exe
> Python Version:2.7.3
> On this line of code:
> study_form_set = DiagnosticStudyFormSet(request.POST, request.FILES,
prefix='studies',
queryset=DiagnosticStudy.objects.filter(diagnostic__id=pk))
> My model:
> class DiagnosticStudy(models.Model):
> id = models.AutoField(primary_key=True)
> name = models.CharField(verbose_name='Name', max_length=255)
> link = models.CharField(verbose_name='Link', max_length=255,
blank=True, null=True)
> path = models.FileField(upload_to='files', max_length=255,
blank=True, null=True)
> diagnostic = models.ForeignKey(Diagnostic, blank=True, null=True)
> study_type = models.ForeignKey(StudyType, blank=True, null=True)
> class Meta:
> managed = False
> db_table = 't_udm_diagnostic_study'
> My forms:
> class DiagnosticStudyForm(ModelForm):
> class Meta(object):
> model = DiagnosticStudy
> fields = [ 'id', 'name', 'link', 'path', 'study_type' ]
> widgets = {
> 'id': HiddenInput(attrs={ 'class': 'campo' }),
> 'name': TextInput(attrs={ 'class': 'campo', 'size': '40',
'onchange': 'validate(this)' }),
> 'link': TextInput(attrs={ 'class': 'campo', 'size': '40', 'onchange':
'validate(this)' }),
> 'path': FileInput(attrs={ 'class': 'campo', 'size': '40', 'accept':
'image/gif,image/jpeg,image/pjpeg,image/png,image/tiff,image/x-tiff,application/msword,application/vnd.openxmlformats-officedocument.wordprocessingml.document,application/vnd.ms-powerpoint,application/vnd.openxmlformats-officedocument.presentationml.presentation',
'onchange': 'validate(this)' }),
> 'study_type': HiddenInput(attrs={ 'class': 'campo', 'size': '40',
'onchange': 'validate(this)' }),
> }
> DiagnosticStudyFormSet = modelformset_factory(DiagnosticStudy,
form=DiagnosticStudyForm, extra=5, can_delete=True)
> The Form does not have a IntegerField only CharFields and ForeignKeys.
Any ideas on how to know which field is generating the error?
> Regards,
> Néstor
>
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