>>> uf = UsersForm(u)
Here you are passing the user instance as if it were the POST data. The form expects a dictionary or None as the first argument. `form.is_bound` simply checks `data is not None`, which is True in this case. If you want a bound form, you should pass a dictionary with the appropriate values as the first argument, and pass the user instance as the `instance=` argument. Forms are meant to handle user input in a POST request -- that's why it only accepts a dictionary such as request.POST as the input data. On Sunday, January 3, 2016 at 2:53:02 PM UTC+1, Vijay Khemlani wrote: > > Well, it's not supposed to be bound if you don't pass any data to it > > the "instance" in the ModelForm (if i remember correctly) just sets the > initial values for the fields when you render the form in HTML and modifies > that instance when you call "save" on the ModelForm. > > On Sun, Jan 3, 2016 at 1:29 AM, Michael Molloy <[email protected] > <javascript:>> wrote: > >> Thank you for your help. I apologize for the typo, but I am calling >> is_valid() with the parenthesis: >> >> >> >>> uf = UsersForm(u) >> >> >>> uf.is_valid() >> >> Traceback (most recent call last): >> >> File "<console>", line 1, in <module> >> >> File >> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib64/python3.3/site-packages/django/forms/forms.py" >> , line 184, in is_valid >> >> return self.is_bound and not self.errors >> >> File >> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib64/python3.3/site-packages/django/forms/forms.py" >> , line 176, in errors >> >> self.full_clean() >> >> File >> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib64/python3.3/site-packages/django/forms/forms.py" >> , line 392, in full_clean >> >> self._clean_fields() >> >> File >> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib64/python3.3/site-packages/django/forms/forms.py" >> , line 401, in _clean_fields >> >> value = field.widget.value_from_datadict(self.data, self.files, self. >> add_prefix(name)) >> >> File >> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib64/python3.3/site-packages/django/forms/widgets.py" >> , line 223, in value_from_datadict >> >> return data.get(name, None) >> >> AttributeError: 'Users' object has no attribute 'get' >> >> >> >>> uf.is_valid() >> >> True >> >> >> As for creating the form instance with the instance keyword, I tried that >> first as I saw it in the materials I was reading, but it doesn't work. Note >> the code below. is_bound = False if I use instance=u. If I just pass the >> Users instance without the 'instance' keyword, is_bound returns True. >> >> >>> u = Users() >> >> >>> u.email = '[email protected] <javascript:>' >> >> >>> uf = UsersForm(u) >> >> >>> uf.is_bound >> >> True >> >> >>> uf = UsersForm(instance=u) >> >> >>> uf.is_bound >> >> False >> >> >> --M >> >> On Saturday, January 2, 2016 at 10:16:38 PM UTC-6, Vijay Khemlani wrote: >>> >>> "First, why does uf.is_valid() return" >>> >>> because you called "uf.is_valid" (note the lack of parenthesis), that's >>> just a reference to the method and does not call it. >>> >>> "Second, why does uf.save() return that stacktrace the first time I call >>> it, but the second time I call it, the object saves? " >>> >>> As far as I know ModelForm subclasses take a dictionary as a first >>> parameter, not the object itself, you would need to do something like this: >>> >>> uf = UsersForm(instance=u) >>> >>> I don't know why it works the second time (if it does indeed work) >>> >>> >>> On Sun, Jan 3, 2016 at 1:13 AM, Sergiy Khohlov <[email protected]> >>> wrote: >>> >>>> Sorry I missed. You have valid unknown at the start. Why are you not >>>> used django user model and author? Study purpose ,? >>>> 3 січ. 2016 05:53 "Michael Molloy" <[email protected]> пише: >>>> >>>> I'm not sure what could be wrong with the database settings. If I just >>>>> create an instance of the model and save it, it saves to the database: >>>>> >>>>> >>>>> <https://lh3.googleusercontent.com/-jyOjeZShpXU/VoibBXC7gPI/AAAAAAAAAFU/WeJ9TBxQemQ/s1600/Screen%2BShot%2B2016-01-02%2Bat%2B9.52.18%2BPM.png> >>>>> >>>>> >>> u.email = '[email protected]' >>>>> >>>>> >>> u.save() >>>>> >>>>> >>>>> >>>>> <https://lh3.googleusercontent.com/-jyOjeZShpXU/VoibBXC7gPI/AAAAAAAAAFU/WeJ9TBxQemQ/s1600/Screen%2BShot%2B2016-01-02%2Bat%2B9.52.18%2BPM.png> >>>>> >>>>> --M >>>>> >>>>> On Saturday, January 2, 2016 at 9:48:39 PM UTC-6, Sergiy Khohlov wrote: >>>>>> >>>>>> Is_valid is working. You have >>>>>> problem with save. Check database setting. >>>>>> >>>>>> 3 січ. 2016 04:18 "Michael Molloy" <[email protected]> пише: >>>>>> >ve >>>>>> > This is running in Openshift with Python 3.3 and Django 1.8.4 >>>>>> > >>>>>> > Here's my model: >>>>>> > >>>>>> > class Users(models.Model): >>>>>> > first_nm = models.CharField('First Name', max_length=100) >>>>>> > last_nm = models.CharField('Last Name', max_length=100) >>>>>> > email = models.CharField('Email Address', max_length=200, >>>>>> unique=True) >>>>>> > >>>>>> > >>>>>> > Here's my form: >>>>>> > >>>>>> > class UsersForm(forms.ModelForm): >>>>>> > class Meta: >>>>>> > model = Users >>>>>> > fields = ['first_nm', 'last_nm', 'email'] >>>>>> > >>>>>> > >>>>>> > >>>>>> > When I run the shell inside Openshift, this is what happens: >>>>>> > >>>>>> > Python 3.3.2 (default, Mar 20 2014, 20:25:51) >>>>>> > >>>>>> > [GCC 4.4.6 20120305 (Red Hat 4.4.6-4)] on linux >>>>>> > >>>>>> > Type "help", "copyright", "credits" or "license" for more >>>>>> information. >>>>>> > >>>>>> > (InteractiveConsole) >>>>>> > >>>>>> > >>>>>> > >>> from django.conf import settings >>>>>> > >>>>>> > >>> from package.forms import UsersForm >>>>>> > >>>>>> > >>> from package.models import Users >>>>>> > >>>>>> > >>>>>> > >>> u = Users() >>>>>> > >>>>>> > >>> u.first_nm = 'First' >>>>>> > >>>>>> > >>> u.last_nm = 'Last' >>>>>> > >>>>>> > >>> u.email = '[email protected]' >>>>>> > >>>>>> > >>> uf = UsersForm(u) >>>>>> > >>>>>> > >>> uf.is_bound >>>>>> > >>>>>> > True >>>>>> > >>>>>> > >>> uf.is_valid >>>>>> > >>>>>> > <bound method UsersForm.is_valid of <UsersForm bound=True, >>>>>> valid=Unknown, fields=(first_nm;last_nm;email)>> >>>>>> > >>>>>> > >>>>>> > >>> uf.save() >>>>>> > >>>>>> > >>>>>> > Traceback (most recent call last): >>>>>> > >>>>>> > File "<console>", line 1, in <module> >>>>>> > >>>>>> > File >>>>>> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib/python3.3/site-packages/Django-1.8.4-py3.3.egg/django/forms/models.py", >>>>>> >>>>>> line 463, in save >>>>>> > >>>>>> > construct=False) >>>>>> > >>>>>> > File >>>>>> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib/python3.3/site-packages/Django-1.8.4-py3.3.egg/django/forms/models.py", >>>>>> >>>>>> line 84, in save_instance >>>>>> > >>>>>> > if form.errors: >>>>>> > >>>>>> > File >>>>>> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib/python3.3/site-packages/Django-1.8.4-py3.3.egg/django/forms/forms.py", >>>>>> >>>>>> line 176, in errors >>>>>> > >>>>>> > self.full_clean() >>>>>> > >>>>>> > File >>>>>> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib/python3.3/site-packages/Django-1.8.4-py3.3.egg/django/forms/forms.py", >>>>>> >>>>>> line 392, in full_clean >>>>>> > >>>>>> > self._clean_fields() >>>>>> > >>>>>> > File >>>>>> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib/python3.3/site-packages/Django-1.8.4-py3.3.egg/django/forms/forms.py", >>>>>> >>>>>> line 401, in _clean_fields >>>>>> > >>>>>> > value = field.widget.value_from_datadict(self.data, self.files, >>>>>> self.add_prefix(name)) >>>>>> > >>>>>> > File >>>>>> "/var/lib/openshift/5678c24389f5cff0330001cd/python/virtenv/venv/lib/python3.3/site-packages/Django-1.8.4-py3.3.egg/django/forms/widgets.py", >>>>>> >>>>>> line 223, in value_from_datadict >>>>>> > >>>>>> > return data.get(name, None) >>>>>> > >>>>>> > AttributeError: 'Users' object has no attribute 'get' >>>>>> > >>>>>> > >>>>>> > >>> uf.save() >>>>>> > >>>>>> > <Users: Users object> >>>>>> > >>>>>> > >>>>>> > First, why does uf.is_valid() return >>>>>> > >>>>>> > >>>>>> > <bound method UsersForm.is_valid of <UsersForm bound=True, >>>>>> valid=Unknown, fields=(first_nm;last_nm;email)>> >>>>>> > >>>>>> > >>>>>> > the first time I call it, but on subsequent calls, uf.is_valid() >>>>>> returns True? >>>>>> > >>>>>> > >>>>>> > Second, why does uf.save() return that stacktrace the first time I >>>>>> call it, but the second time I call it, the object saves? >>>>>> > >>>>>> > >>>>>> > Third, even though the Users object saves, the only value in the >>>>>> database for that row is the primary key. Neither the names nor the >>>>>> email >>>>>> field is saved. >>>>>> > >>>>>> > >>>>>> > >>>>>> > I'm working through the Django Unchained book, and I'm also looking >>>>>> at the Django tutorial on djangoproject.com, and it looks to me like >>>>>> I'm doing everything that I'm supposed to, but obviously I'm missing >>>>>> something. >>>>>> > >>>>>> > >>>>>> > --Michael >>>>>> > >>>>>> > >>>>>> > >>>>>> > -- >>>>>> > You received this message because you are subscribed to the Google >>>>>> Groups "Django users" group. >>>>>> > To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> > To post to this group, send email to [email protected]. >>>>>> > Visit this group at https://groups.google.com/group/django-users. >>>>>> > To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/django-users/dd08dc98-e3af-49c8-b549-c5dc4e72d3d6%40googlegroups.com >>>>>> . >>>>>> > For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Django users" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to [email protected]. >>>>> To post to this group, send email to [email protected]. >>>>> Visit this group at https://groups.google.com/group/django-users. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/django-users/72973c30-8cde-497d-822e-d3b01d3bc3ab%40googlegroups.com >>>>> >>>>> <https://groups.google.com/d/msgid/django-users/72973c30-8cde-497d-822e-d3b01d3bc3ab%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> For more options, visit https://groups.google.com/d/optout. >>>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Django users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at https://groups.google.com/group/django-users. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/django-users/CADTRxJN%3D%2BPd9%2BbS_EqOe%3DdrDpO--OUq8fupp06SrRg-mV0Hi7g%40mail.gmail.com >>>> >>>> <https://groups.google.com/d/msgid/django-users/CADTRxJN%3D%2BPd9%2BbS_EqOe%3DdrDpO--OUq8fupp06SrRg-mV0Hi7g%40mail.gmail.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at https://groups.google.com/group/django-users. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/5ede86ea-413d-4d52-b5aa-d7f39d271a5a%40googlegroups.com >> >> <https://groups.google.com/d/msgid/django-users/5ede86ea-413d-4d52-b5aa-d7f39d271a5a%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/93a70d0b-1e43-4da9-8739-2f14aae5bd5b%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
