Re: I did the tutorial successfully but couldn't find similar examples for small project (for better understanding of Django programming)

Hi Jani!

Am Sonntag, 18. Juni 2017 11:05:27 UTC+2 schrieb Jani Tiainen:

Hi,

Seems that you've on right track. Just don't chew up too big bites.

Thanks! Good to know that I'm not completely wrong :-)
 

I suggest that first you start mapping your real world ideas to models. Don't worry if you don't get it right at first try thats why migrations do exist.

 
That's where the first problem starts. Like I said I'm not that much familiar with database stuff.

Also test driven development model could work nicely.

That doesn't tell me anything :-(
I know what test driven development is, but don't understand the context with this.

 

Most of the things you describe are clienside operations and Django being agnostic for that you're free to implement clientside as you wish.

You probably won't find much for similar project but there might be solutions to individual problems.

Sadly in that example (http://blog.e-shell.org/130) it's not clear what to put where. Maybe you can help me with that.

class Project(models.Model):      name = models.CharField('Name of the project', max_length=100)      code = models.CharField('Code number of the project', max_length=10)      creator = models.ForeignKey(User, related_name='created_projects')      maintainer = models.ManyToManyField(User, related_name='maintained_projects')

That's easy:  polls\models.py which starts with

from django.db import models
from django.contrib.auth.models import User

("User" because of creator and maintainer)

But polls\forms.py is change several times.

#from myproject.myapp.models import Project  from .models import Project 

class ProjectForm(forms.ModelForm):      class Meta:          model = Proyecto

Then

#from myproject.myapp.models import Project

from .models import Project  from django.contrib.auth.models import Group    class ProjectForm(forms.ModelForm):        creator_choices = [(c.id, c.username) for c in Group.objects.get(name__icontains='creator').user_set.all()]      maintainer_choices = [(m.id, m.username) for m in Group.objects.get(name__icontains='maintainer').user_set.all()]        creator = forms.ChoiceField(required=True, label='Project creator', choices=creator_choices)      maintainer = forms.MultipleChoiceField(required=True, label='Project maintainer(s)', choices=maintainer_choices)        class Meta:          model = Proyecto

 And then

#from myproject.myapp.forms import ProjectForm 

from .forms import ProjectForm  from django.contrib.auth.models import Group    creator_choices = [(c.id, c.username) for c in Group.objects.get(name__icontains='creator').user_set.all()]  maintainer_choices = [(m.id, m.username) for m in Group.objects.get(name__icontains='maintainer').user_set.all()]    creator = forms.ChoiceField(required=True, label='Project creator', choices=creator_choices)  maintainer = forms.MultipleChoiceField(required=True, label='Project maintainer(s)', choices=maintainer_choices)    myform = ProjectForm()    myform.fields['creator'].choices = creator_choices  myform.fields['maintainer'].choices = maintainer_choices

But here's "import ProjectForm" instead of import "Project" and "class Meta" is missing.

Can you tell me what I did wrong? python manage.py makemigrations always can't find something (project, ProjectForm, ...), no matter what I'm trying to change to resolve that error. I'm completely confused :-(
Thank you!

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