saving json data to a database in django

maccored · 16-11-2018 3:36pm #1

Hi folks

my heads wrecked with this. Im finishing a part-time hdip and Im trying to pull my final project together. Ive pulled latitude and longitude data from an API. I can extract the data I need and I can disply it on a page, using django. No issues with that.

What I want to do is save the info to a data base. I've simplified it down to just saving the latitude info. As I say, I can print the info no problem. i have it stored in a variable called 'lat'.
I set up a model with this info:

from django.db import models

class latlon(models.Model):
    lat = models.IntegerField()

in my views I have:

from django.http import HttpResponse
import requests
from requests import get
from .models import latlon
def home(request):
    ip = get('https://api.ipify.org').text
    url2 = format(ip)
    url ='http://api.ipstack.com/' +url2 +'?access_key=(my key is here)'
    data = requests.get(url)
    parsed_data = data.json()

    lat = parsed_data['latitude']
    long = parsed_data['longitude']
    region = parsed_data['region_name']

    html = "<html><body>It is now %s.<br />Your IP is: %s.<br />Your Latitude is %s.<br />Your Longitude is %s.<br />Your Region is %s.<br /></body></html>" % (now, url2, lat, long, region)

    return HttpResponse(html)

when I run that, it prints out the lat, long and region.

If though I try to save the latitude by using

lat.save()

(if thats the correct way to do it that is) I get an error saying " 'float' object has no attribute save'

How to do I save the lat to the database? I've been googling and getting lots of info, but nothing I can use.

Buford T Justice · 16-11-2018 5:23pm

I'm not a python expert, but you've declared lat as an entity in your model, but you're re-assigning it as a different type in your view it looks like to me.

When you call save, it's trying to save on a float type and not an entity - hence the error

deconduo · 16-11-2018 5:41pm

maccored wrote: »
Hi folks

my heads wrecked with this. Im finishing a part-time hdip and Im trying to pull my final project together. Ive pulled latitude and longitude data from an API. I can extract the data I need and I can disply it on a page, using django. No issues with that.

What I want to do is save the info to a data base. I've simplified it down to just saving the latitude info. As I say, I can print the info no problem. i have it stored in a variable called 'lat'.
I set up a model with this info:
from django.db import models

class latlon(models.Model):
 lat = models.IntegerField()
in my views I have:
from django.http import HttpResponse
import requests
from requests import get
from .models import latlon
def home(request):
 ip = get('https://api.ipify.org').text
 url2 = format(ip)
 url ='http://api.ipstack.com/' +url2 +'?access_key=(my key is here)'
 data = requests.get(url)
 parsed_data = data.json()

 lat = parsed_data['latitude']
 long = parsed_data['longitude']
 region = parsed_data['region_name']

 html = "<html><body>It is now %s. Your IP is: %s. Your Latitude is %s. Your Longitude is %s. Your Region is %s. </body></html>" % (now, url2, lat, long, region)

 return HttpResponse(html)
when I run that, it prints out the lat, long and region.

If though I try to save the latitude by using
lat.save()
(if thats the correct way to do it that is) I get an error saying " 'float' object has no attribute save'

How to do I save the lat to the database? I've been googling and getting lots of info, but nothing I can use.

You need to initiate an instance of a 'latlon' object, and save that. The following should do the trick:

    myLatlon = latlon(lat=parsed_data['latitude'])
    myLatlon.save()

Assuming from the name that you want the longitude as well, you could continue with:

class latlon(models.Model):
    lat = models.IntegerField()
    lon = models.IntegerField()

    myLatlon = latlon(lat=parsed_data['latitude'], lon=parsed_data['longitude'])
    myLatlon.save()

maccored · 19-11-2018 2:27pm

thanks for that - got it working.

final issue, I swear:

I have this as a view:

from django.shortcuts import render
from get_co.models import latlon_getco
from chargeInfo.models import destination
def home(request):


    dest = destination.objects.get(id=1)
    destin = {'latitudeDest': dest.latitudeD,'longitudeDest': dest.longitudeD }


    orig= latlon_getco.objects.get(id=1)
    origin = {'latitudeOrigin': orig.lat,'longitudeOrigin': orig.lon}



    return render(request, 'display/home.html', destin,origin)

Its basically two sets of co-ordinates. Thing is, only the first one listed appears on the page - not both. If I have it as 'return render(request, 'display/home.html', destin,origin)' then the destination info prints to the page, but the next one (origin) doesnt.

If i use 'return render(request, 'display/home.html',origin, destin)' then the origin info prints to the page,but the next one (destin) doesnt

How come both wont appear? Thank you for the help so far

maccored · 19-11-2018 2:40pm

aha - the old 'post it on boards and then 5 mins later you'll figure it out' monster appears again

:

dest = destination.objects.get(id=1)
    orig= latlon_getco.objects.get(id=1)
    args = {'latitudeOrigin': orig.lat,'longitudeOrigin': orig.lon, 'latitudeDest': dest.latitudeD,'longitudeDest': dest.longitudeD}


    return render(request, 'display/home.html', args)

saving json data to a database in django

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