[Django] 最もシンプルなファイルアップロード機能をファンクションベースで作成

MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

MEDIA_URL = '/media/'

from django import forms

class UploadFileForm(forms.Form):
    file = forms.FileField()

from django.conf import settings
from django.http import HttpResponseRedirect
from django.shortcuts import render
from .forms import UploadFileForm

def handle_uploaded_file(f, filename):
    path = settings.MEDIA_ROOT + '/upload/'
    with open(path + filename, 'wb+') as destination:
        for chunk in f.chunks():
            destination.write(chunk)

def upload_file(request):
    if request.method == 'POST':
        form = UploadFileForm(request.POST, request.FILES)
        if form.is_valid():
            filename = request.FILES['file'].name
            handle_uploaded_file(request.FILES['file'], filename=filename)
    else:
        form = UploadFileForm()
    return render(request, 'upload.html', {'form': form})

from django.urls import path
from django.conf import settings
from django.conf.urls.static import static
from . import views

urlpatterns = [
    path('', views.upload_file, name='upload_file'),
]
urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

    <form method="POST" action="{% url 'upload_file' %}" enctype="multipart/form-data">
        {% csrf_token %}
        {{ form.as_p }}
        <p>
            <input type="submit" name="submit" value="upload">
        </p>
    </form>