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Mastering Geospatial Analysis with Python
book

Mastering Geospatial Analysis with Python

by Silas Toms, Paul Crickard, Eric van Rees
April 2018
Beginner to intermediate content levelBeginner to intermediate
440 pages
11h 36m
English
Packt Publishing
Content preview from Mastering Geospatial Analysis with Python

forms.py

A web form is used in Django to capture user input and submit it to a view. To make it possible to select an NBA arena name from a drop-down list and have the web map zoom to that location, a new script, forms.py, must be created. Open an IDE and copy the following code into a new file:

from django import formsfrom .models import Arenasclass ArenaForm(forms.Form):    name = ""    description = "Use the dropdown to select an arena."    selections =     forms.ChoiceField(choices=Arenas.objects.values_list('id','name1'),                                  widget=forms.Select(),required=True)

This section creates a form class by subclassing from forms.Form. It has a name field, a description field, and a ChoiceField. The ChoiceField will create a drop-down list, populated by the ...

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Publisher Resources

ISBN: 9781788293334Supplemental Content