That makes sense. Thank you. --M
On Sunday, January 3, 2016 at 8:05:21 AM UTC-6, knbk wrote: > > >>> 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]> 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]' >>> >>> >>> 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]. >>> 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/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. 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