Inline master
I have 3 models:
class Products(models.Model):
brand = models.ForeignKey(
Brands,
verbose_name = "Brand",
)
code = models.CharField("Code",
max_length=25,
)
descr = models.CharField("Description",
max_length=50,
)
class Orders(models.Model):
brand = models.ForeignKey(
Brands,
verbose_name = "Brand",
null=True,
blank=True,
related_name="ord_brand"
)
ord_date = models.DateField("Date")
ord_numb = models.CharField("Number",
max_length=20,
unique_for_year="ord_date",
)
class OrderRows(models.Model):
order = models.ForeignKey(
Orders,
verbose_name = "Order",
)
product = models.ForeignKey(
Products,
verbose_name = "Product",
)
price = models.DecimalField("Price",
max_digits = 11,
decimal_places=2,
)
In my Admins.py I have a ModelAdmin for Orders whit a Inline for OrderRows.
How can I filter the product queryset in OrderRows where brand=orders.brand?
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inline parent value
hi, I have 3 models:
class Orders(models.Model):
brand = models.ForeignKey(
Brands,
verbose_name = "Brand",
null=True,
blank=True,
related_name="ord_brand"
)
dateord = models.DateField("Date")
numbord = models.CharField("Number",
max_length=20,
unique_for_year="dateord",
)
class OrderRows(models.Model):
order = models.ForeignKey(
Orders,
verbose_name = "Order",
)
product = models.ForeignKey(
Products,
verbose_name = "Product",
)
price = models.DecimalField("Price",
max_digits = 11,
decimal_places=2,
)
class Products(models.Model):
brand = models.ForeignKey(
Brands,
verbose_name = "Brand",
)
code = models.CharField("Code",
max_length=25,
)
descr = models.CharField("Description",
max_length=50,
)
In my admin.py I have a ModelForm for Orders and an Inline for OrderRow.
In the Inline I need filter product queryset for records where
brand=orders.brand.
How can I do it?
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form_invalid
I need get data from a form when submit is clicked even if data are
invalid, inconplete or empty.
I try to override form_invalid in CreateView but it is never called and
form_valid, obviously, only if data are valid.
Why form_invalid is never called?
I have this test project with django 1.10.5 and python 3.5
models.py
class Demo(models.Model):
demo_descr = models.CharField("Description",
max_length=50,
)
demo_code = models.CharField("Code",
max_length=5,
)
def __str__(self):
return self.demo_descr
class Meta:
verbose_name = "Test"
verbose_name_plural = "Tests"
ordering = ["demo_descr"]
views.py
class DemoForm(forms.ModelForm):
class Meta:
model = models.Demo
fields = ('demo_descr','demo_code')
class DemoCreateView(CreateView):
form_class = DemoForm
success_url = 'demo'
template_name = 'test_form.html'
model = models.Demo
def form_valid(self, form):
print('valid')
return CreateView.form_valid(self, form)
def form_invalid(self, form):
print('invalid')
return CreateView.form_invalid(self, form)
urls.py
url(r'^demo$', views.DemoCreateView.as_view(), name='demo'),
test_form.html
{% csrf_token %}
{{ form.as_p }}
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Re: form_invalid
I have tried it but post method is called only if form is valid and not if
there are mandatory field not filled.
Il giorno domenica 29 gennaio 2017 18:30:50 UTC+1, Norberto Bensa ha
scritto:
>
> https://ccbv.co.uk is your friend with class based views.
>
> I'd override post(self, request, *args, **kwargs), in request.POST, you'll
> have your form's data (before it's validated).
>
> HTH,
> Norberto
>
> 2017-01-29 9:10 GMT-03:00 Roberto Russi
> >:
>
>> I need get data from a form when submit is clicked even if data are
>> invalid, inconplete or empty.
>> I try to override form_invalid in CreateView but it is never called and
>> form_valid, obviously, only if data are valid.
>> Why form_invalid is never called?
>>
>> I have this test project with django 1.10.5 and python 3.5
>>
>> models.py
>>
>> class Demo(models.Model):
>> demo_descr = models.CharField("Description",
>> max_length=50,
>> )
>> demo_code = models.CharField("Code",
>> max_length=5,
>> )
>>
>> def __str__(self):
>> return self.demo_descr
>>
>> class Meta:
>> verbose_name = "Test"
>> verbose_name_plural = "Tests"
>> ordering = ["demo_descr"]
>>
>> views.py
>>
>> class DemoForm(forms.ModelForm):
>> class Meta:
>> model = models.Demo
>> fields = ('demo_descr','demo_code')
>>
>>
>> class DemoCreateView(CreateView):
>> form_class = DemoForm
>> success_url = 'demo'
>> template_name = 'test_form.html'
>> model = models.Demo
>>
>> def form_valid(self, form):
>> print('valid')
>> return CreateView.form_valid(self, form)
>>
>> def form_invalid(self, form):
>> print('invalid')
>> return CreateView.form_invalid(self, form)
>>
>> urls.py
>>
>> url(r'^demo$', views.DemoCreateView.as_view(), name='demo'),
>>
>>
>> test_form.html
>>
>>
>> {% csrf_token %}
>> {{ form.as_p }}
>>
>>
>>
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>>
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>> .
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>>
>
>
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Re: form_invalid
But fields are required! I need to have a control over form also if 'save'
button is clicked and required fields are not filled.
Il giorno domenica 29 gennaio 2017 20:26:10 UTC+1, Norberto Bensa ha
scritto:
>
> Are you telling me the following doesn't work for you?
>
> class DemoCreateView(CreateView):
> ...
> def post(self, request, *args, **kwargs):
>print(request.POST)
>return super().post(request, *args, **kwargs)
> ...
>
>
> Now, at the console:
>
>
> ['A3hHKM6Bs6NjJA996ALAsYPcYR7M3NWkzP4wcd6WUX1CEazC1dAK3aD1n8zl1aUU'],
> 'demo_desc
> r': [''], 'demo_code': ['']}>
>
> ...
>
> BTW, I had to add "blank=True, null=True" to your models, otherwise
> the fields are marked as required and the browser does validate that.
>
> HTH,
> Norberto
>
>
> 2017-01-29 15:54 GMT-03:00 Roberto Russi >:
> >
> > I have tried it but post method is called only if form is valid and not
> if there are mandatory field not filled.
> >
> >
> > Il giorno domenica 29 gennaio 2017 18:30:50 UTC+1, Norberto Bensa ha
> scritto:
> >>
> >> https://ccbv.co.uk is your friend with class based views.
> >>
> >> I'd override post(self, request, *args, **kwargs), in request.POST,
> you'll have your form's data (before it's validated).
> >>
> >> HTH,
> >> Norberto
> >>
> >> 2017-01-29 9:10 GMT-03:00 Roberto Russi :
> >>>
> >>> I need get data from a form when submit is clicked even if data are
> invalid, inconplete or empty.
> >>> I try to override form_invalid in CreateView but it is never called
> and form_valid, obviously, only if data are valid.
> >>> Why form_invalid is never called?
> >>>
> >>> I have this test project with django 1.10.5 and python 3.5
> >>>
> >>> models.py
> >>>
> >>> class Demo(models.Model):
> >>> demo_descr = models.CharField("Description",
> >>> max_length=50,
> >>> )
> >>> demo_code = models.CharField("Code",
> >>> max_length=5,
> >>> )
> >>>
> >>> def __str__(self):
> >>> return self.demo_descr
> >>>
> >>> class Meta:
> >>> verbose_name = "Test"
> >>> verbose_name_plural = "Tests"
> >>> ordering = ["demo_descr"]
> >>>
> >>> views.py
> >>>
> >>> class DemoForm(forms.ModelForm):
> >>> class Meta:
> >>> model = models.Demo
> >>> fields = ('demo_descr','demo_code')
> >>>
> >>>
> >>> class DemoCreateView(CreateView):
> >>> form_class = DemoForm
> >>> success_url = 'demo'
> >>> template_name = 'test_form.html'
> >>> model = models.Demo
> >>>
> >>> def form_valid(self, form):
> >>> print('valid')
> >>> return CreateView.form_valid(self, form)
> >>>
> >>> def form_invalid(self, form):
> >>> print('invalid')
> >>> return CreateView.form_invalid(self, form)
> >>>
> >>> urls.py
> >>>
> >>> url(r'^demo$', views.DemoCreateView.as_view(), name='demo'),
> >>>
> >>>
> >>> test_form.html
> >>>
> >>>
> >>> {% csrf_token %}
> >>> {{ form.as_p }}
> >>>
> >>>
> >>>
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>
>
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> >>
> >>
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Re: form_invalid
Is just what i pictured. But when form_invalid is called?
Il giorno lunedì 30 gennaio 2017 02:35:54 UTC+1, Melvyn Sopacua ha scritto:
>
> On Sunday 29 January 2017 04:10:20 Roberto Russi wrote:
>
> > I need get data from a form when submit is clicked even if data are
>
> > invalid, inconplete or empty.
>
> > I try to override form_invalid in CreateView but it is never called
>
> > and form_valid, obviously, only if data are valid.
>
> > Why form_invalid is never called?
>
>
>
> Because the form is blocked by client-side validation: it never gets to
> the server. If you watch the development console closely, you will see that
> when you press save, there is no incoming request.
>
>
>
> Add the following clean method to DemoForm, fill in "bla" for demo_code in
> the form and you will see form_invalid being called.
>
>
>
> def clean(self):
> if self.data['demo_code'] != 'valid':
> raise ValidationError('{}: Invalid demo code'.format(
> self.data['demo_code']
> ))
>
> --
>
> Melvyn Sopacua
>
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