May 3, 2021, 10:23 a.m.
" How to download a file in django | Making a large file downloadable from a url in django | How to serve Large files in django | Downloading a file from Django project directory "
This is a simple thing in Django. You can serve any file from any directory (i.e inside project directory) using a URL in Django. Just follow the steps shown below and you will find that some line of code will help you to do that.
If file is binary: Add the following url in urlpatterns.
#In urls.py
path('download/',views.download,name="download"),
path('download/',views.download,name="download"),
Now set the function in views.py i.e. download() as mapped in urls.py
#In views.py
from django.http import FileResponse
import os
def download(request):
file_path = os.path.join(BASE_DIR, 'myfile.zip')
response = FileResponse(open(file_path, 'rb'))
return response
from django.http import FileResponse
import os
def download(request):
file_path = os.path.join(BASE_DIR, 'myfile.zip')
response = FileResponse(open(file_path, 'rb'))
return response
So now if someone visits "www.example.com/download" the downloading of file i.e "myfile.zip" will starts.
Note that if the file is not binary then you have to use 'r' instead of 'rb' in your code.
If file is a text/utf-8 file: If you only want to show the text content of the file then you can use the following code:
#In views.py
from django.http import FileResponse
import os
def download(request):
file_path = os.path.join(BASE_DIR, 'requirement.txt')
f = open(file_path, 'r')
file_content = f.read()
f.close()
return HttpResponse(file_content, content_type="text/javascript")
from django.http import FileResponse
import os
def download(request):
file_path = os.path.join(BASE_DIR, 'requirement.txt')
f = open(file_path, 'r')
file_content = f.read()
f.close()
return HttpResponse(file_content, content_type="text/javascript")
In this case the text content of the file will be server in the browser or client device.
Now, if the file is strored in database models/fields then you can do something like this:
#In views.py
from django.http import FileResponse
import os
def download(request):
obj=mymodel.objects.get(id=someid)
response = FileResponse(open(obj.fileField.path, 'rb'))
return response
from django.http import FileResponse
import os
def download(request):
obj=mymodel.objects.get(id=someid)
response = FileResponse(open(obj.fileField.path, 'rb'))
return response
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Purna poddar -
- May 7, 2021, 2:11 p.m.