.github/dependabot.yml

@@ -1,8 +0,0 @@
-version: 2
-
-updates:
-  # Maintain dependencies for GitHub Actions
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "monthly"

.github/workflows/release.yml

@@ -11,12 +11,12 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v2
         with:
           fetch-depth: 0
 
       - name: Set up Python
-        uses: actions/setup-python@v6
+        uses: actions/setup-python@v2
         with:
           python-version: 3.8
 

.github/workflows/test.yml

@@ -9,24 +9,29 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13', '3.14']
+        python-version: ['3.6', '3.7', '3.8', '3.9', '3.10']
-        django-version: ['4.2', '5.0', '5.1', '5.2', 'main']
+        django-version: ['2.2', '3.1', '3.2', '4.0', 'main']
         exclude:
-        # Django 5.0 dropped support for Python <3.10
+        # Django prior to 3.2 does not support Python 3.10
-        - django-version: '5.0'
+        - django-version: '2.2'
-          python-version: '3.8'
+          python-version: '3.10'
-        - django-version: '5.0'
+        - django-version: '3.1'
-          python-version: '3.9'
+          python-version: '3.10'
+        # Django after 3.2 dropped support for Python prior to 3.8
+        - django-version: '4.0'
+          python-version: '3.6'
         - django-version: 'main'
-          python-version: '3.8'
+          python-version: '3.6'
+        - django-version: '4.0'
+          python-version: '3.7'
         - django-version: 'main'
-          python-version: '3.9'
+          python-version: '3.7'
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v2
 
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v6
+      uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
 
@@ -36,7 +41,7 @@ jobs:
         echo "::set-output name=dir::$(pip cache dir)"
 
     - name: Cache
-      uses: actions/cache@v5
+      uses: actions/cache@v2
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key:
@@ -56,6 +61,6 @@ jobs:
         DJANGO: ${{ matrix.django-version }}
 
     - name: Upload coverage
-      uses: codecov/codecov-action@v6
+      uses: codecov/codecov-action@v1
       with:
         name: Python ${{ matrix.python-version }}

.pre-commit-config.yaml

@@ -1,59 +0,0 @@
-repos:
--   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v6.0.0
-    hooks:
-    -   id: check-toml
-    -   id: check-yaml
-    -   id: end-of-file-fixer
-    -   id: trailing-whitespace
-    -   id: mixed-line-ending
-    -   id: file-contents-sorter
-        files: docs/spelling_wordlist.txt
--   repo: https://github.com/pycqa/doc8
-    rev: v2.0.0
-    hooks:
-    -   id: doc8
--   repo: https://github.com/adamchainz/django-upgrade
-    rev: 1.30.0
-    hooks:
-    -   id: django-upgrade
-        args: [--target-version, "4.2"]
--   repo: https://github.com/pre-commit/pygrep-hooks
-    rev: v1.10.0
-    hooks:
-    -   id: rst-backticks
-    -   id: rst-directive-colons
--   repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v4.0.0-alpha.8
-    hooks:
-    -   id: prettier
-        entry: env PRETTIER_LEGACY_CLI=1 prettier
-        types_or: [javascript, css]
-        args:
-        - --trailing-comma=es5
--   repo: https://github.com/pre-commit/mirrors-eslint
-    rev: v10.3.0
-    hooks:
-    -   id: eslint
-        additional_dependencies:
-            - "eslint@v9.0.0-beta.1"
-            - "@eslint/js@v9.0.0-beta.1"
-            - "globals"
-        files: \.js?$
-        types: [file]
-        args:
-        - --fix
--   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: 'v0.15.12'
-    hooks:
-      - id: ruff
-        args: [--fix, --exit-non-zero-on-fix]
-      - id: ruff-format
--   repo: https://github.com/tox-dev/pyproject-fmt
-    rev: v2.21.1
-    hooks:
-      - id: pyproject-fmt
--   repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.25
-    hooks:
-      - id: validate-pyproject

.readthedocs.yaml

@@ -1,18 +0,0 @@
-# .readthedocs.yaml
-# Read the Docs configuration file
-# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
-
-version: 2
-
-build:
-  os: ubuntu-22.04
-  tools:
-    python: "3.10"
-
-sphinx:
-  configuration: docs/conf.py
-
-python:
-  install:
-  - method: pip
-    path: .

AUTHORS

@@ -6,23 +6,22 @@ Maintainer: Benoît Bryon <benoit@marmelune.net>
 
 Original code by `PeopleDoc <https://www.people-doc.com/>`_ team:
 
-* Adam Chainz <adam@adamj.eu>
+* Nicolas Tobo <https://github.com/nicolastobo>
-* Aleksi Häkli <aleksi.hakli@iki.fi>
+* Lauréline Guérin <https://github.com/zebuline>
+* Gregory Tappero <https://github.com/gregtap>
+* Rémy Hubscher <https://github.com/natim>
 * Benoît Bryon <benoit@marmelune.net>
-* CJ <cjdreiss@users.noreply.github.com>
+* Aleksi Häkli <https://github.com/aleksihakli>
-* David Wolf <68775926+devidw@users.noreply.github.com>
+* Johnt Hagen <johnthagen@gmail.com>
-* Davide Setti <setti.davide89@gmail.com>
-* Erik Dykema <dykema@gmail.com>
 * Fabre Florian <ffabre@hybird.org>
+* Peter Marheine <peter@taricorp.net>
 * Hasan Ramezani <hasan.r67@gmail.com>
 * Jannis Leidel <jannis@leidel.info>
-* John Hagen <johnthagen@gmail.com>
+* Erik Dykema <dykema@gmail.com>
-* Mariusz Felisiak <felisiak.mariusz@gmail.com>
-* Martin Bächtold <martin@baechtold.me>
 * Nikhil Benesch <nikhil.benesch@gmail.com>
 * Omer Katz <omer.drow@gmail.com>
-* Peter Marheine <peter@taricorp.net>
 * René Leonhardt <rene.leonhardt@gmail.com>
-* Rémy HUBSCHER <hubscher.remy@gmail.com>
+* Adam Chainz <adam@adamj.eu>
+* Martin Bächtold <martin@baechtold.me>
 * Tim Gates <tim.gates@iress.com>
 * zero13cool <zero13cool@yandex.ru>

CHANGELOG

@@ -4,33 +4,18 @@ Changelog
 This document describes changes between past releases. For information about
 future releases, check `milestones`_ and :doc:`/about/vision`.
 
-2.6.0 (unreleased)
+
+2.3 (unreleased)
 ----------------
 
-- No changes yet
-
-
-2.5.0 (2025-10-28)
-----------------
-
-- Upgrade to Django 5.2 and Python 3.14
-
-
-2.4.0 (2024-08-05)
-------------------
-
-- Drop support for Python 3.6
-- Escape malicious filenames
-- Handle headers in XAccel responses
-
-
-2.3.0 (2022-01-11)
-------------------
-
 - Drop Django 3.0 support
 - Add Django 3.2 support
 - Add support for Python 3.10
 - Add support for Django 4.0
+
+2.2 (unreleased)
+----------------
+
 - Remove support for Python 3.5 and Django 1.11
 - Add support for Python 3.9 and Django 3.1
 - Remove old urls syntax and adopt the new one

CODE_OF_CONDUCT.md

@@ -1,46 +0,0 @@
-# Code of Conduct
-
-As contributors and maintainers of the Jazzband projects, and in the interest of
-fostering an open and welcoming community, we pledge to respect all people who
-contribute through reporting issues, posting feature requests, updating documentation,
-submitting pull requests or patches, and other activities.
-
-We are committed to making participation in the Jazzband a harassment-free experience
-for everyone, regardless of the level of experience, gender, gender identity and
-expression, sexual orientation, disability, personal appearance, body size, race,
-ethnicity, age, religion, or nationality.
-
-Examples of unacceptable behavior by participants include:
-
-- The use of sexualized language or imagery
-- Personal attacks
-- Trolling or insulting/derogatory comments
-- Public or private harassment
-- Publishing other's private information, such as physical or electronic addresses,
-  without explicit permission
-- Other unethical or unprofessional conduct
-
-The Jazzband roadies have the right and responsibility to remove, edit, or reject
-comments, commits, code, wiki edits, issues, and other contributions that are not
-aligned to this Code of Conduct, or to ban temporarily or permanently any contributor
-for other behaviors that they deem inappropriate, threatening, offensive, or harmful.
-
-By adopting this Code of Conduct, the roadies commit themselves to fairly and
-consistently applying these principles to every aspect of managing the jazzband
-projects. Roadies who do not follow or enforce the Code of Conduct may be permanently
-removed from the Jazzband roadies.
-
-This code of conduct applies both within project spaces and in public spaces when an
-individual is representing the project or its community.
-
-Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by
-contacting the roadies at `roadies@jazzband.co`. All complaints will be reviewed and
-investigated and will result in a response that is deemed necessary and appropriate to
-the circumstances. Roadies are obligated to maintain confidentiality with regard to the
-reporter of an incident.
-
-This Code of Conduct is adapted from the [Contributor Covenant][homepage], version
-1.3.0, available at [https://contributor-covenant.org/version/1/3/0/][version]
-
-[homepage]: https://contributor-covenant.org
-[version]: https://contributor-covenant.org/version/1/3/0/

CONTRIBUTING.rst

@@ -11,7 +11,7 @@ This is a `Jazzband <https://jazzband.co>`_ project. By contributing you agree t
 
 
 This document provides guidelines for people who want to contribute to
-``django-downloadview``.
+`django-downloadview`.
 
 
 **************
@@ -50,7 +50,7 @@ Use topic branches
 Fork, clone
 ***********
 
-Clone ``django-downloadview`` repository (adapt to use your own fork):
+Clone `django-downloadview` repository (adapt to use your own fork):
 
 .. code:: sh
 
@@ -62,7 +62,7 @@ Clone ``django-downloadview`` repository (adapt to use your own fork):
 Usual actions
 *************
 
-The ``Makefile`` is the reference card for usual actions in development
+The `Makefile` is the reference card for usual actions in development
 environment:
 
 * Install development toolkit with `pip`_: ``make develop``.
@@ -70,7 +70,7 @@ environment:
 * Run tests with `tox`_: ``make test``.
 
 * Build documentation: ``make documentation``. It builds `Sphinx`_
-  documentation in ``var/docs/html/index.html``.
+  documentation in `var/docs/html/index.html`.
 
 * Release project with `zest.releaser`_: ``make release``.
 
@@ -84,7 +84,7 @@ See also ``make help``.
 Demo project included
 *********************
 
-The ``demo`` included in project's repository is part of the tests and
+The `demo` included in project's repository is part of the tests and
 documentation. Maintain it along with code and documentation.
 
 

INSTALL

@@ -12,8 +12,8 @@ Install
 Requirements
 ************
 
-`django-downloadview` has been tested with `Python`_ 3.7, 3.8, 3.9 and 3.10.
+`django-downloadview` has been tested with `Python`_ 3.6, 3.7 and 3.8. Other
-Other versions may work, but they are not part of the test suite at the moment.
+versions may work, but they are not part of the test suite at the moment.
 
 Installing `django-downloadview` will automatically trigger the installation of
 the following requirements:

README.rst

@@ -26,16 +26,16 @@ django-downloadview
     :target: https://codecov.io/gh/jazzband/django-downloadview
     :alt: Coverage
 
-``django-downloadview`` makes it easy to serve files with `Django`_:
+`django-downloadview` makes it easy to serve files with `Django`_:
 
 * you manage files with Django (permissions, filters, generation, ...);
 
 * files are stored somewhere or generated somehow (local filesystem, remote
   storage, memory...);
 
-* ``django-downloadview`` helps you stream the files with very little code;
+* `django-downloadview` helps you stream the files with very little code;
 
-* ``django-downloadview`` helps you improve performances with reverse proxies,
+* `django-downloadview` helps you improve performances with reverse proxies,
   via mechanisms such as Nginx's X-Accel or Apache's X-Sendfile.
 
 

demo/README.rst

@@ -3,7 +3,7 @@ Demo project
 ############
 
 `Demo folder in project's repository`_ contains a Django project to illustrate
-``django-downloadview`` usage.
+`django-downloadview` usage.
 
 
 *****************************************
@@ -31,7 +31,7 @@ Deploy the demo
 
 System requirements:
 
-* `Python`_ version 3.7+, available as ``python`` command.
+* `Python`_ version 3.6+, available as ``python`` command.
   
   .. note::
 

demo/demoproject/apache/tests.py

@@ -43,19 +43,3 @@ class OptimizedByDecoratorTestCase(django.test.TestCase):
             basename="hello-world.txt",
             file_path="/apache-optimized-by-decorator/hello-world.txt",
         )
-
-
-class ModifiedHeadersTestCase(django.test.TestCase):
-    def test_response(self):
-        """'apache:modified_headers' returns X-Sendfile response."""
-        setup_file()
-        url = reverse("apache:modified_headers")
-        response = self.client.get(url)
-        assert_x_sendfile(
-            self,
-            response,
-            content_type="text/plain; charset=utf-8",
-            basename="hello-world.txt",
-            file_path="/apache-modified-headers/hello-world.txt",
-        )
-        self.assertEqual(response["X-Test"], "header")

demo/demoproject/apache/urls.py

@@ -1,5 +1,4 @@
 """URL mapping."""
-
 from django.urls import path
 
 from demoproject.apache import views
@@ -16,9 +15,4 @@ urlpatterns = [
         views.optimized_by_decorator,
         name="optimized_by_decorator",
     ),
-    path(
-        "modified_headers/",
-        views.modified_headers,
-        name="modified_headers",
-    ),
 ]

demo/demoproject/apache/views.py

@@ -22,17 +22,3 @@ optimized_by_decorator = x_sendfile(
     source_url=storage.base_url,
     destination_dir="/apache-optimized-by-decorator/",
 )
-
-
-def _modified_headers(request):
-    view = StorageDownloadView.as_view(storage=storage, path="hello-world.txt")
-    response = view(request)
-    response["X-Test"] = "header"
-    return response
-
-
-modified_headers = x_sendfile(
-    _modified_headers,
-    source_url=storage.base_url,
-    destination_dir="/apache-modified-headers/",
-)

demo/demoproject/lighttpd/tests.py

@@ -43,19 +43,3 @@ class OptimizedByDecoratorTestCase(django.test.TestCase):
             basename="hello-world.txt",
             file_path="/lighttpd-optimized-by-decorator/hello-world.txt",
         )
-
-
-class ModifiedHeadersTestCase(django.test.TestCase):
-    def test_response(self):
-        """'lighttpd:modified_headers' returns X-Sendfile response."""
-        setup_file()
-        url = reverse("lighttpd:modified_headers")
-        response = self.client.get(url)
-        assert_x_sendfile(
-            self,
-            response,
-            content_type="text/plain; charset=utf-8",
-            basename="hello-world.txt",
-            file_path="/lighttpd-modified-headers/hello-world.txt",
-        )
-        self.assertEqual(response["X-Test"], "header")

demo/demoproject/lighttpd/urls.py

@@ -1,5 +1,4 @@
 """URL mapping."""
-
 from django.urls import path
 
 from demoproject.lighttpd import views
@@ -16,9 +15,4 @@ urlpatterns = [
         views.optimized_by_decorator,
         name="optimized_by_decorator",
     ),
-    path(
-        "modified_headers/",
-        views.modified_headers,
-        name="modified_headers",
-    ),
 ]

demo/demoproject/lighttpd/views.py

@@ -22,17 +22,3 @@ optimized_by_decorator = x_sendfile(
     source_url=storage.base_url,
     destination_dir="/lighttpd-optimized-by-decorator/",
 )
-
-
-def _modified_headers(request):
-    view = StorageDownloadView.as_view(storage=storage, path="hello-world.txt")
-    response = view(request)
-    response["X-Test"] = "header"
-    return response
-
-
-modified_headers = x_sendfile(
-    _modified_headers,
-    source_url=storage.base_url,
-    destination_dir="/lighttpd-modified-headers/",
-)

demo/demoproject/nginx/tests.py

@@ -51,23 +51,3 @@ class OptimizedByDecoratorTestCase(django.test.TestCase):
             with_buffering=None,
             limit_rate=None,
         )
-
-
-class ModifiedHeadersTestCase(django.test.TestCase):
-    def test_response(self):
-        """'nginx:modified_headers' returns X-Sendfile response."""
-        setup_file()
-        url = reverse("nginx:modified_headers")
-        response = self.client.get(url)
-        assert_x_accel_redirect(
-            self,
-            response,
-            content_type="text/plain; charset=utf-8",
-            charset="utf-8",
-            basename="hello-world.txt",
-            redirect_url="/nginx-modified-headers/hello-world.txt",
-            expires=None,
-            with_buffering=None,
-            limit_rate=None,
-        )
-        self.assertEqual(response["X-Test"], "header")

demo/demoproject/nginx/urls.py

@@ -16,9 +16,4 @@ urlpatterns = [
         views.optimized_by_decorator,
         name="optimized_by_decorator",
     ),
-    path(
-        "modified_headers/",
-        views.modified_headers,
-        name="modified_headers",
-    ),
 ]

demo/demoproject/nginx/views.py

@@ -22,17 +22,3 @@ optimized_by_decorator = x_accel_redirect(
     source_url=storage.base_url,
     destination_url="/nginx-optimized-by-decorator/",
 )
-
-
-def _modified_headers(request):
-    view = StorageDownloadView.as_view(storage=storage, path="hello-world.txt")
-    response = view(request)
-    response["X-Test"] = "header"
-    return response
-
-
-modified_headers = x_accel_redirect(
-    _modified_headers,
-    source_url=storage.base_url,
-    destination_url="/nginx-modified-headers/",
-)

demo/demoproject/path/views.py

@@ -30,7 +30,7 @@ class DynamicPathDownloadView(PathDownloadView):
     def get_path(self):
         """Return path inside fixtures directory."""
         # Get path from URL resolvers or as_view kwarg.
-        relative_path = super().get_path()
+        relative_path = super(DynamicPathDownloadView, self).get_path()
         # Make it absolute.
         absolute_path = os.path.join(fixtures_dir, relative_path)
         return absolute_path

demo/demoproject/settings.py

@@ -1,5 +1,4 @@
 """Django settings for django-downloadview demo project."""
-
 import os
 
 

demo/demoproject/storage/tests.py

@@ -44,7 +44,8 @@ class StaticPathTestCase(django.test.TestCase):
         url = reverse("storage:static_path", kwargs={"path": "1.txt"})
         year = datetime.date.today().year + 4
         response = self.client.get(
-            url, headers={"if-modified-since": f"Sat, 29 Oct {year} 19:43:31 GMT"}
+            url,
+            HTTP_IF_MODIFIED_SINCE=f"Sat, 29 Oct {year} 19:43:31 GMT",
         )
         self.assertTrue(isinstance(response, HttpResponseNotModified))
 
@@ -54,7 +55,7 @@ class StaticPathTestCase(django.test.TestCase):
         setup_file("1.txt")
         url = reverse("storage:static_path", kwargs={"path": "1.txt"})
         response = self.client.get(
-            url, headers={"if-modified-since": "Sat, 29 Oct 1980 19:43:31 GMT"}
+            url, HTTP_IF_MODIFIED_SINCE="Sat, 29 Oct 1980 19:43:31 GMT"
         )
         assert_download_response(
             self,

demo/demoproject/storage/views.py

@@ -14,7 +14,7 @@ class DynamicStorageDownloadView(StorageDownloadView):
 
     def get_path(self):
         """Return uppercase path."""
-        return super().get_path().upper()
+        return super(DynamicStorageDownloadView, self).get_path().upper()
 
 
 dynamic_path = DynamicStorageDownloadView.as_view(storage=storage)

demo/demoproject/tests.py

@@ -1,5 +1,4 @@
 """Test suite for demoproject.download."""
-
 from django.test import TestCase
 from django.urls import reverse
 

demo/demoproject/wsgi.py

@@ -12,7 +12,6 @@ middleware here, or combine a Django application with an application of another
 framework.
 
 """
-
 import os
 
 from django.core.wsgi import get_wsgi_application

django_downloadview/__init__.py

@@ -1,8 +1,7 @@
 """Serve files with Django and reverse proxies."""
-
 from django_downloadview.api import *  # NoQA
 
-import importlib.metadata
+import pkg_resources
 
 #: Module version, as defined in PEP-0396.
-__version__ = importlib.metadata.version(__package__.replace("-", "_"))
+__version__ = pkg_resources.get_distribution(__package__.replace("-", "_")).version

django_downloadview/apache/__init__.py

@@ -5,7 +5,6 @@ See also `documentation of mod_xsendfile for Apache
 Apache optimizations </optimizations/apache>`.
 
 """
-
 # API shortcuts.
 from django_downloadview.apache.decorators import x_sendfile  # NoQA
 from django_downloadview.apache.middlewares import XSendfileMiddleware  # NoQA

django_downloadview/apache/decorators.py

@@ -1,5 +1,4 @@
 """Decorators to apply Apache X-Sendfile on a specific view."""
-
 from django_downloadview.apache.middlewares import XSendfileMiddleware
 from django_downloadview.decorators import DownloadDecorator
 

django_downloadview/apache/middlewares.py

@@ -19,7 +19,9 @@ class XSendfileMiddleware(ProxiedDownloadMiddleware):
         self, get_response=None, source_dir=None, source_url=None, destination_dir=None
     ):
         """Constructor."""
-        super().__init__(get_response, source_dir, source_url, destination_dir)
+        super(XSendfileMiddleware, self).__init__(
+            get_response, source_dir, source_url, destination_dir
+        )
 
     def process_download_response(self, request, response):
         """Replace DownloadResponse instances by XSendfileResponse ones."""
@@ -32,5 +34,4 @@ class XSendfileMiddleware(ProxiedDownloadMiddleware):
             content_type=response["Content-Type"],
             basename=response.basename,
             attachment=response.attachment,
-            headers=response.headers,
         )

django_downloadview/apache/response.py

@@ -1,5 +1,4 @@
 """Apache's specific responses."""
-
 import os.path
 
 from django_downloadview.response import ProxiedDownloadResponse, content_disposition
@@ -8,14 +7,9 @@ from django_downloadview.response import ProxiedDownloadResponse, content_dispos
 class XSendfileResponse(ProxiedDownloadResponse):
     "Delegates serving file to Apache via X-Sendfile header."
 
-    def __init__(
+    def __init__(self, file_path, content_type, basename=None, attachment=True):
-        self, file_path, content_type, basename=None, attachment=True, headers=None
-    ):
         """Return a HttpResponse with headers for Apache X-Sendfile."""
-        # content-type must be provided only as keyword argument to response
+        super(XSendfileResponse, self).__init__(content_type=content_type)
-        if headers and content_type:
-            headers.pop("Content-Type", None)
-        super().__init__(content_type=content_type, headers=headers)
         if attachment:
             self.basename = basename or os.path.basename(file_path)
             self["Content-Disposition"] = content_disposition(self.basename)

django_downloadview/apache/tests.py

@@ -1,7 +1,7 @@
 from django_downloadview.apache.response import XSendfileResponse
 
 
-class XSendfileValidator:
+class XSendfileValidator(object):
     """Utility class to validate XSendfileResponse instances.
 
     See also :py:func:`assert_x_sendfile` shortcut function.

django_downloadview/api.py

@@ -1,6 +1,5 @@
 # flake8: noqa
 """Declaration of API shortcuts."""
-
 from django_downloadview.files import HTTPFile, StorageFile, VirtualFile
 from django_downloadview.io import BytesIteratorIO, TextIteratorIO
 from django_downloadview.middlewares import (

django_downloadview/files.py

@@ -1,5 +1,4 @@
 """File wrappers for use as exchange data between views and responses."""
-
 from io import BytesIO
 from urllib.parse import urlparse
 
@@ -168,7 +167,7 @@ class VirtualFile(File):
           File URL.
 
         """
-        super().__init__(file, name)
+        super(VirtualFile, self).__init__(file, name)
         self.url = url
         if size is not None:
             self._size = size
@@ -184,7 +183,7 @@ class VirtualFile(File):
         return self._size
 
     def _set_size(self, value):
-        return super()._set_size(value)
+        return super(VirtualFile, self)._set_size(value)
 
     size = property(_get_size, _set_size)
 

django_downloadview/io.py

@@ -1,5 +1,4 @@
 """Low-level IO operations, for use with file wrappers."""
-
 import io
 
 from django.utils.encoding import force_bytes, force_str

django_downloadview/lighttpd/__init__.py

@@ -6,7 +6,6 @@ See also `documentation of X-Sendfile for Lighttpd
 </optimizations/lighttpd>`.
 
 """
-
 # API shortcuts.
 from django_downloadview.lighttpd.decorators import x_sendfile  # NoQA
 from django_downloadview.lighttpd.middlewares import XSendfileMiddleware  # NoQA

django_downloadview/lighttpd/decorators.py

@@ -1,5 +1,4 @@
 """Decorators to apply Lighttpd X-Sendfile on a specific view."""
-
 from django_downloadview.decorators import DownloadDecorator
 from django_downloadview.lighttpd.middlewares import XSendfileMiddleware
 

django_downloadview/lighttpd/middlewares.py

@@ -19,7 +19,9 @@ class XSendfileMiddleware(ProxiedDownloadMiddleware):
         self, get_response=None, source_dir=None, source_url=None, destination_dir=None
     ):
         """Constructor."""
-        super().__init__(get_response, source_dir, source_url, destination_dir)
+        super(XSendfileMiddleware, self).__init__(
+            get_response, source_dir, source_url, destination_dir
+        )
 
     def process_download_response(self, request, response):
         """Replace DownloadResponse instances by XSendfileResponse ones."""
@@ -32,5 +34,4 @@ class XSendfileMiddleware(ProxiedDownloadMiddleware):
             content_type=response["Content-Type"],
             basename=response.basename,
             attachment=response.attachment,
-            headers=response.headers,
         )

django_downloadview/lighttpd/response.py

@@ -1,5 +1,4 @@
 """Lighttpd's specific responses."""
-
 import os.path
 
 from django_downloadview.response import ProxiedDownloadResponse, content_disposition
@@ -8,14 +7,9 @@ from django_downloadview.response import ProxiedDownloadResponse, content_dispos
 class XSendfileResponse(ProxiedDownloadResponse):
     "Delegates serving file to Lighttpd via X-Sendfile header."
 
-    def __init__(
+    def __init__(self, file_path, content_type, basename=None, attachment=True):
-        self, file_path, content_type, basename=None, attachment=True, headers=None
-    ):
         """Return a HttpResponse with headers for Lighttpd X-Sendfile."""
-        # content-type must be porvided only as keyword argument to response
+        super(XSendfileResponse, self).__init__(content_type=content_type)
-        if headers and content_type:
-            headers.pop("Content-Type", None)
-        super().__init__(content_type=content_type, headers=headers)
         if attachment:
             self.basename = basename or os.path.basename(file_path)
             self["Content-Disposition"] = content_disposition(self.basename)

django_downloadview/middlewares.py

@@ -4,7 +4,6 @@ Download middlewares capture :py:class:`django_downloadview.DownloadResponse`
 responses and may replace them with optimized download responses.
 
 """
-
 import collections.abc
 import copy
 import os
@@ -37,7 +36,6 @@ class BaseDownloadMiddleware:
     Subclasses **must** implement :py:meth:`process_download_response` method.
 
     """
-
     def __init__(self, get_response):
         self.get_response = get_response
 
@@ -77,9 +75,14 @@ class RealDownloadMiddleware(BaseDownloadMiddleware):
         whose file attribute have either an URL or a file name.
 
         """
-        return super().is_download_response(response) and bool(
+        if super(RealDownloadMiddleware, self).is_download_response(response):
-            getattr(response.file, "url", None) or getattr(response.file, "name", None)
+            try:
-        )
+                return response.file.url or response.file.name
+            except AttributeError:
+                return False
+            else:
+                return True
+        return False
 
 
 class DownloadDispatcher:
@@ -92,7 +95,7 @@ class DownloadDispatcher:
     def auto_configure_middlewares(self):
         """Populate :attr:`middlewares` from
         ``settings.DOWNLOADVIEW_MIDDLEWARES``."""
-        for key, import_string, kwargs in getattr(
+        for (key, import_string, kwargs) in getattr(
             settings, "DOWNLOADVIEW_MIDDLEWARES", []
         ):
             factory = import_member(import_string)
@@ -101,7 +104,7 @@ class DownloadDispatcher:
 
     def dispatch(self, request, response):
         """Dispatches job to children middlewares."""
-        for key, middleware in self.middlewares:
+        for (key, middleware) in self.middlewares:
             response = middleware.process_response(request, response)
         return response
 
@@ -110,7 +113,7 @@ class DownloadDispatcherMiddleware(BaseDownloadMiddleware):
     "Download middleware that dispatches job to several middleware instances."
 
     def __init__(self, get_response, middlewares=AUTO_CONFIGURE):
-        super().__init__(get_response)
+        super(DownloadDispatcherMiddleware, self).__init__(get_response)
         self.dispatcher = DownloadDispatcher(middlewares)
 
     def process_download_response(self, request, response):
@@ -127,7 +130,7 @@ class SmartDownloadMiddleware(DownloadDispatcherMiddleware):
         backend_options=AUTO_CONFIGURE,
     ):
         """Constructor."""
-        super().__init__(get_response, middlewares=[])
+        super(SmartDownloadMiddleware, self).__init__(get_response, middlewares=[])
         #: Callable (typically a class) to instantiate backend (typically a
         #: :class:`DownloadMiddleware` subclass).
         self.backend_factory = backend_factory
@@ -145,7 +148,7 @@ class SmartDownloadMiddleware(DownloadDispatcherMiddleware):
             self.backend_factory = import_member(settings.DOWNLOADVIEW_BACKEND)
         except AttributeError:
             raise ImproperlyConfigured(
-                "SmartDownloadMiddleware requires settings.DOWNLOADVIEW_BACKEND"
+                "SmartDownloadMiddleware requires " "settings.DOWNLOADVIEW_BACKEND"
             )
 
     def auto_configure_backend_options(self):
@@ -155,7 +158,7 @@ class SmartDownloadMiddleware(DownloadDispatcherMiddleware):
             options_list = copy.deepcopy(settings.DOWNLOADVIEW_RULES)
         except AttributeError:
             raise ImproperlyConfigured(
-                "SmartDownloadMiddleware requires settings.DOWNLOADVIEW_RULES"
+                "SmartDownloadMiddleware requires " "settings.DOWNLOADVIEW_RULES"
             )
         for key, options in enumerate(options_list):
             args = []
@@ -184,7 +187,7 @@ class ProxiedDownloadMiddleware(RealDownloadMiddleware):
         self, get_response, source_dir=None, source_url=None, destination_url=None
     ):
         """Constructor."""
-        super().__init__(get_response)
+        super(ProxiedDownloadMiddleware, self).__init__(get_response)
 
         self.source_dir = source_dir
         self.source_url = source_url

django_downloadview/nginx/__init__.py

@@ -5,7 +5,6 @@ See also `Nginx X-accel documentation <http://wiki.nginx.org/X-accel>`_ and
 </optimizations/nginx>`.
 
 """
-
 # API shortcuts.
 from django_downloadview.nginx.decorators import x_accel_redirect  # NoQA
 from django_downloadview.nginx.middlewares import XAccelRedirectMiddleware  # NoQA

django_downloadview/nginx/decorators.py

@@ -1,5 +1,4 @@
 """Decorators to apply Nginx X-Accel on a specific view."""
-
 from django_downloadview.decorators import DownloadDecorator
 from django_downloadview.nginx.middlewares import XAccelRedirectMiddleware
 

django_downloadview/nginx/middlewares.py

@@ -58,7 +58,9 @@ class XAccelRedirectMiddleware(ProxiedDownloadMiddleware):
         else:
             source_dir = source_dir
 
-        super().__init__(get_response, source_dir, source_url, destination_url)
+        super(XAccelRedirectMiddleware, self).__init__(
+            get_response, source_dir, source_url, destination_url
+        )
 
         self.expires = expires
         self.with_buffering = with_buffering
@@ -85,7 +87,6 @@ class XAccelRedirectMiddleware(ProxiedDownloadMiddleware):
             with_buffering=self.with_buffering,
             limit_rate=self.limit_rate,
             attachment=response.attachment,
-            headers=response.headers,
         )
 
 
@@ -131,7 +132,7 @@ class SingleXAccelRedirectMiddleware(XAccelRedirectMiddleware):
                 "settings.NGINX_DOWNLOAD_MIDDLEWARE_DESTINATION_URL is "
                 "required by %s middleware" % self.__class__.__name__
             )
-        super().__init__(
+        super(SingleXAccelRedirectMiddleware, self).__init__(
             get_response=get_response,
             source_dir=settings.NGINX_DOWNLOAD_MIDDLEWARE_SOURCE_DIR,
             source_url=settings.NGINX_DOWNLOAD_MIDDLEWARE_SOURCE_URL,

django_downloadview/nginx/response.py

@@ -1,5 +1,4 @@
 """Nginx's specific responses."""
-
 from datetime import timedelta
 
 from django.utils.timezone import now
@@ -20,13 +19,9 @@ class XAccelRedirectResponse(ProxiedDownloadResponse):
         with_buffering=None,
         limit_rate=None,
         attachment=True,
-        headers=None,
     ):
         """Return a HttpResponse with headers for Nginx X-Accel-Redirect."""
-        # content-type must be porvided only as keyword argument to response
+        super(XAccelRedirectResponse, self).__init__(content_type=content_type)
-        if headers and content_type:
-            headers.pop("Content-Type", None)
-        super().__init__(content_type=content_type, headers=headers)
         if attachment:
             self.basename = basename or url_basename(redirect_url, content_type)
             self["Content-Disposition"] = content_disposition(self.basename)

django_downloadview/nginx/settings.py

@@ -7,7 +7,6 @@
    for details.
 
 """
-
 import warnings
 
 from django.conf import settings
@@ -18,7 +17,14 @@ from django.core.exceptions import ImproperlyConfigured
 deprecated_middleware = "django_downloadview.nginx.XAccelRedirectMiddleware"
 
 
-if deprecated_middleware in settings.MIDDLEWARE:
+def get_middlewares():
+    try:
+        return settings.MIDDLEWARE
+    except AttributeError:
+        return settings.MIDDLEWARE_CLASSES
+
+
+if deprecated_middleware in get_middlewares():
     raise ImproperlyConfigured(
         "{deprecated_middleware} middleware has been renamed as of "
         "django-downloadview version 1.3. You may use "

django_downloadview/nginx/tests.py

@@ -1,7 +1,7 @@
 from django_downloadview.nginx.response import XAccelRedirectResponse
 
 
-class XAccelRedirectValidator:
+class XAccelRedirectValidator(object):
     """Utility class to validate XAccelRedirectResponse instances.
 
     See also :py:func:`assert_x_accel_redirect` shortcut function.

django_downloadview/response.py

@@ -1,5 +1,4 @@
 """:py:class:`django.http.HttpResponse` subclasses."""
-
 import mimetypes
 import os
 import re
@@ -73,13 +72,7 @@ def content_disposition(filename):
     """
     if not filename:
         return "attachment"
-    # ASCII filenames are quoted and must ensure escape sequences
+    ascii_filename = encode_basename_ascii(filename)
-    # in the filename won't break out of the quoted header value
-    # which can permit a reflected file download attack. The UTF-8
-    # version is immune because it's not quoted.
-    ascii_filename = (
-        encode_basename_ascii(filename).replace("\\", "\\\\").replace('"', r"\"")
-    )
     utf8_filename = encode_basename_utf8(filename)
     if ascii_filename == utf8_filename:  # ASCII only.
         return f'attachment; filename="{ascii_filename}"'
@@ -145,7 +138,7 @@ class DownloadResponse(StreamingHttpResponse):
         #: A :doc:`file wrapper instance </files>`, such as
         #: :class:`~django.core.files.base.File`.
         self.file = file_instance
-        super().__init__(
+        super(DownloadResponse, self).__init__(
             streaming_content=self.file, status=status, content_type=content_type
         )
 
@@ -202,6 +195,16 @@ class DownloadResponse(StreamingHttpResponse):
             self._default_headers = headers
             return self._default_headers
 
+    def items(self):
+        """Return iterable of (header, value).
+
+        This method is called by http handlers just before WSGI's
+        start_response() is called... but it is not called by
+        django.test.ClientHandler! :'(
+
+        """
+        return super(DownloadResponse, self).items()
+
     def get_basename(self):
         """Return basename."""
         if self.basename:

django_downloadview/shortcuts.py

@@ -1,5 +1,4 @@
 """Port of django-sendfile in django-downloadview."""
-
 from django_downloadview.views.path import PathDownloadView
 
 

django_downloadview/storage.py

@@ -10,7 +10,7 @@ class SignedURLMixin:
     """
 
     def url(self, name):
-        path = super().url(name)
+        path = super(SignedURLMixin, self).url(name)
         signer = TimestampSigner()
         signature = signer.sign(path)
         return "{}?X-Signature={}".format(path, signature)

django_downloadview/test.py

@@ -71,13 +71,13 @@ class temporary_media_root(override_settings):
         settings.MEDIA_ROOT."""
         tmp_dir = tempfile.mkdtemp()
         self.options["MEDIA_ROOT"] = tmp_dir
-        super().enable()
+        super(temporary_media_root, self).enable()
 
     def disable(self):
         """Remove directory settings.MEDIA_ROOT then restore original
         setting."""
         shutil.rmtree(settings.MEDIA_ROOT)
-        super().disable()
+        super(temporary_media_root, self).disable()
 
 
 class DownloadResponseValidator(object):

django_downloadview/utils.py

@@ -1,5 +1,4 @@
 """Utility functions that may be implemented in external packages."""
-
 import re
 
 charset_pattern = re.compile(r"charset=(?P<charset>.+)$", re.I | re.U)

django_downloadview/views/__init__.py

@@ -1,5 +1,4 @@
 """Views to stream files."""
-
 # API shortcuts.
 from django_downloadview.views.base import BaseDownloadView, DownloadMixin  # NoQA
 from django_downloadview.views.http import HTTPDownloadView  # NoQA

django_downloadview/views/base.py

@@ -1,6 +1,5 @@
 """Base material for download views: :class:`DownloadMixin` and
 :class:`BaseDownloadView`"""
-
 import calendar
 
 from django.http import Http404, HttpResponseNotModified
@@ -103,9 +102,9 @@ class DownloadMixin(object):
         Else, fallbacks to default implementation, which uses
         :py:func:`django.views.static.was_modified_since`.
 
-        Django's ``was_modified_since`` function needs a datetime.
+        Django's ``was_modified_since`` function needs a datetime and a size.
-        It is passed the ``modified_time`` attribute from file
+        It is passed ``modified_time`` and ``size`` attributes from file
-        wrapper. If file wrapper does not support this attribute
+        wrapper. If file wrapper does not support these attributes
         (``AttributeError`` or ``NotImplementedError`` is raised), then
         the file is considered as modified and ``True`` is returned.
 
@@ -117,11 +116,12 @@ class DownloadMixin(object):
                 modification_time = calendar.timegm(
                     file_instance.modified_time.utctimetuple()
                 )
+                size = file_instance.size
             except (AttributeError, NotImplementedError) as e:
                 print("!=======!", e)
                 return True
             else:
-                return was_modified_since(since, modification_time)
+                return was_modified_since(since, modification_time, size)
 
     def not_modified_response(self, *response_args, **response_kwargs):
         """Return :class:`django.http.HttpResponseNotModified` instance."""
@@ -157,7 +157,7 @@ class DownloadMixin(object):
         except exceptions.FileNotFound:
             return self.file_not_found_response()
         # Respect the If-Modified-Since header.
-        since = self.request.headers.get("if-modified-since", None)
+        since = self.request.META.get("HTTP_IF_MODIFIED_SINCE", None)
         if since is not None:
             if not self.was_modified_since(self.file_instance, since):
                 return self.not_modified_response(**response_kwargs)

django_downloadview/views/http.py

@@ -1,5 +1,4 @@
 """Stream files given an URL, i.e. files you want to proxy."""
-
 from django_downloadview.files import HTTPFile
 from django_downloadview.views.base import BaseDownloadView
 
@@ -45,5 +44,5 @@ class HTTPDownloadView(BaseDownloadView):
             request_factory=self.get_request_factory(),
             name=self.get_basename(),
             url=self.get_url(),
-            **self.get_request_kwargs(),
+            **self.get_request_kwargs()
         )

django_downloadview/views/object.py

@@ -1,5 +1,4 @@
 """Stream files that live in models."""
-
 from django.views.generic.detail import SingleObjectMixin
 
 from django_downloadview.exceptions import FileNotFound
@@ -84,7 +83,7 @@ class ObjectDownloadView(SingleObjectMixin, BaseDownloadView):
 
     def get_basename(self):
         """Return client-side filename."""
-        basename = super().get_basename()
+        basename = super(ObjectDownloadView, self).get_basename()
         if basename is None:
             field = "basename"
             model_field = getattr(self, "%s_field" % field, False)
@@ -94,4 +93,4 @@ class ObjectDownloadView(SingleObjectMixin, BaseDownloadView):
 
     def get(self, request, *args, **kwargs):
         self.object = self.get_object()
-        return super().get(request, *args, **kwargs)
+        return super(ObjectDownloadView, self).get(request, *args, **kwargs)

django_downloadview/views/path.py

@@ -1,5 +1,4 @@
 """:class:`PathDownloadView`."""
-
 import os
 
 from django.core.files import File

django_downloadview/views/storage.py

@@ -1,5 +1,4 @@
 """Stream files from storage."""
-
 from django.core.files.storage import DefaultStorage
 
 from django_downloadview.files import StorageFile
@@ -15,6 +14,16 @@ class StorageDownloadView(PathDownloadView):
     #: Path to the file to serve relative to storage.
     path = None  # Override docstring.
 
+    def get_path(self):
+        """Return path of the file to serve, relative to storage.
+
+        Default implementation simply returns view's :py:attr:`path` attribute.
+
+        Override this method if you want custom implementation.
+
+        """
+        return super(StorageDownloadView, self).get_path()
+
     def get_file(self):
         """Return :class:`~django_downloadview.files.StorageFile` instance."""
         return StorageFile(self.storage, self.get_path())

django_downloadview/views/virtual.py

@@ -1,5 +1,4 @@
 """Stream files that you generate or that live in memory."""
-
 from django_downloadview.views.base import BaseDownloadView
 
 

docs/conf.py

@@ -1,9 +1,8 @@
 # -*- coding: utf-8 -*-
 """django-downloadview documentation build configuration file."""
-
+import os
 import re
-
+from pkg_resources import get_distribution
-import importlib.metadata
 
 # Minimal Django settings. Required to use sphinx.ext.autodoc, because
 # django-downloadview depends on Django...
@@ -49,9 +48,9 @@ author_slug = re.sub(r"([\w_.-]+)", "-", author)
 # built documents.
 
 # The full version, including alpha/beta/rc tags.
-release = importlib.metadata.version("django-downloadview")
+release = get_distribution("django-downloadview").version
 # The short X.Y version.
-version = ".".join(release.split(".")[:2])
+version = '.'.join(release.split('.')[:2])
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

docs/django-sendfile.txt

@@ -31,7 +31,7 @@ Here are tips to migrate from `django-sendfile` to `django-downloadview`...
    * setup ``DOWNLOADVIEW_RULES``. It replaces ``SENDFILE_ROOT`` and can do
      more.
    * register ``django_downloadview.SmartDownloadMiddleware`` in
-     ``MIDDLEWARE``.
+     ``MIDDLEWARE_CLASSES``.
 
 4. Change your tests if any. You can no longer use `django-senfile`'s
    ``development`` backend. See :doc:`/testing` for `django-downloadview`'s

docs/optimizations/apache.txt

@@ -45,7 +45,7 @@ Setup XSendfile middlewares
 ***************************
 
 Make sure ``django_downloadview.SmartDownloadMiddleware`` is in
-``MIDDLEWARE`` of your `Django` settings.
+``MIDDLEWARE_CLASSES`` of your `Django` settings.
 
 Example:
 

docs/optimizations/lighttpd.txt

@@ -51,7 +51,7 @@ Setup XSendfile middlewares
 ***************************
 
 Make sure ``django_downloadview.SmartDownloadMiddleware`` is in
-``MIDDLEWARE`` of your `Django` settings.
+``MIDDLEWARE_CLASSES`` of your `Django` settings.
 
 Example:
 

docs/settings.txt

@@ -13,11 +13,11 @@ There is no need to register this application in ``INSTALLED_APPS``.
 
 
 ******************
-MIDDLEWARE
+MIDDLEWARE_CLASSES
 ******************
 
 If you plan to setup :doc:`reverse-proxy optimizations </optimizations/index>`,
-add ``django_downloadview.SmartDownloadMiddleware`` to ``MIDDLEWARE``.
+add ``django_downloadview.SmartDownloadMiddleware`` to ``MIDDLEWARE_CLASSES``.
 It is a response middleware. Move it after middlewares that compute the
 response content such as gzip middleware.
 
@@ -58,7 +58,7 @@ URLs, and they can then be verified with the supplied ``signature_required`` wra
    download = ObjectDownloadView.as_view(model=Document, file_field='file')
 
     urlpatterns = [
-        path('download/<str:slug>/', signature_required(download)),
+        path('download/<str:slug>/', signature_required(download),
     ]
 
 Make sure to test the desired functionality after configuration.
@@ -91,7 +91,7 @@ Example:
 See :doc:`/optimizations/index` for a list of available backends (middlewares).
 
 When ``django_downloadview.SmartDownloadMiddleware`` is in your
-``MIDDLEWARE``, this setting must be explicitely configured (no default
+``MIDDLEWARE_CLASSES``, this setting must be explicitely configured (no default
 value). Else, you can ignore this setting.
 
 
@@ -119,5 +119,5 @@ See :doc:`/optimizations/index` for details about builtin backends
 (middlewares) and their options.
 
 When ``django_downloadview.SmartDownloadMiddleware`` is in your
-``MIDDLEWARE``, this setting must be explicitely configured (no default
+``MIDDLEWARE_CLASSES``, this setting must be explicitely configured (no default
 value). Else, you can ignore this setting.

docs/testing.txt

@@ -41,3 +41,4 @@ Example, related to :doc:`StorageDownloadView demo </views/storage>`:
 .. literalinclude:: /../demo/demoproject/storage/tests.py
    :language: python
    :lines: 1-2, 8-12, 59-
+

setup.py

@@ -10,21 +10,21 @@ setup(
     setup_requires=["setuptools_scm"],
     description="Serve files with Django and reverse-proxies.",
     long_description=open(os.path.join(here, "README.rst")).read(),
-    long_description_content_type="text/x-rst",
+    long_description_content_type='text/x-rst',
     classifiers=[
         "Development Status :: 5 - Production/Stable",
         "License :: OSI Approved :: BSD License",
         "Programming Language :: Python :: 3 :: Only",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3.11",
+        'Framework :: Django',
-        "Programming Language :: Python :: 3.12",
+        'Framework :: Django :: 2.2',
-        "Programming Language :: Python :: 3.13",
+        'Framework :: Django :: 3.1',
-        "Programming Language :: Python :: 3.14",
+        'Framework :: Django :: 3.2',
-        "Framework :: Django",
+        'Framework :: Django :: 4.0',
-        "Framework :: Django :: 4.2",
-        "Framework :: Django :: 5.0",
     ],
     keywords=" ".join(
         [
@@ -54,10 +54,9 @@ setup(
     ],
     include_package_data=True,
     zip_safe=False,
-    python_requires=">=3.8",
     install_requires=[
         # BEGIN requirements
-        "Django>=4.2",
+        "Django>=2.2",
         "requests",
         # END requirements
     ],

tests/api.py

@@ -1,5 +1,4 @@
 """Test suite around :mod:`django_downloadview.api` and deprecation plan."""
-
 from importlib import import_module, reload
 import unittest
 import warnings
@@ -101,6 +100,7 @@ class DeprecatedAPITestCase(django.test.SimpleTestCase):
     def test_nginx_x_accel_redirect_middleware(self):
         "XAccelRedirectMiddleware in settings triggers ImproperlyConfigured."
         with override_settings(
+            MIDDLEWARE_CLASSES=["django_downloadview.nginx.XAccelRedirectMiddleware"],
             MIDDLEWARE=["django_downloadview.nginx.XAccelRedirectMiddleware"],
         ):
             with self.assertRaises(ImproperlyConfigured):
@@ -131,7 +131,7 @@ class DeprecatedAPITestCase(django.test.SimpleTestCase):
                     reload(django_downloadview.nginx.settings)
             caught = False
             for warning_item in warning_list:
-                if warning_item.category is DeprecationWarning:
+                if warning_item.category == DeprecationWarning:
                     if "deprecated" in str(warning_item.message):
                         if setting_name in str(warning_item.message):
                             caught = True
@@ -141,5 +141,5 @@ class DeprecatedAPITestCase(django.test.SimpleTestCase):
         if missed_warnings:
             self.fail(
                 f"No DeprecationWarning raised about following settings: "
-                f"{', '.join(missed_warnings)}."
+                f'{", ".join(missed_warnings)}.'
             )

tests/io.py

@@ -1,5 +1,4 @@
 """Tests around :mod:`django_downloadview.io`."""
-
 import unittest
 
 from django_downloadview import BytesIteratorIO, TextIteratorIO

tests/packaging.py

@@ -1,6 +1,4 @@
 """Tests around project's distribution and packaging."""
-
-import importlib.metadata
 import os
 import unittest
 
@@ -26,14 +24,22 @@ class VersionTestCase(unittest.TestCase):
             self.fail("django_downloadview package has no __version__.")
 
     def test_version_match(self):
-        """django_downloadview.__version__ matches importlib metadata."""
+        """django_downloadview.__version__ matches pkg_resources info."""
-        distribution = importlib.metadata.distribution("django-downloadview")
+        try:
+            import pkg_resources
+        except ImportError:
+            self.fail(
+                "Cannot import pkg_resources module. It is part of "
+                "setuptools, which is a dependency of "
+                "django_downloadview."
+            )
+        distribution = pkg_resources.get_distribution("django-downloadview")
         installed_version = distribution.version
         self.assertEqual(
             installed_version,
             self.get_version(),
             "Version mismatch: django_downloadview.__version__ "
-            'is "%s" whereas importlib.metadata tells "%s". '
+            'is "%s" whereas pkg_resources tells "%s". '
             "You may need to run ``make develop`` to update the "
             "installed version in development environment."
             % (self.get_version(), installed_version),

tests/response.py

@@ -1,5 +1,4 @@
 """Unit tests around responses."""
-
 import unittest
 
 from django_downloadview.response import DownloadResponse
@@ -20,13 +19,3 @@ class DownloadResponseTestCase(unittest.TestCase):
         self.assertIn(
             "filename*=UTF-8''espac%C3%A9%20.txt", headers["Content-Disposition"]
         )
-
-    def test_content_disposition_escaping(self):
-        """Content-Disposition headers escape special characters."""
-        response = DownloadResponse(
-            "fake file", attachment=True, basename=r'"malicious\file.exe'
-        )
-        headers = response.default_headers
-        self.assertIn(
-            r'filename="\"malicious\\file.exe"', headers["Content-Disposition"]
-        )

tests/sendfile.py

@@ -1,5 +1,4 @@
 """Tests around :py:mod:`django_downloadview.sendfile`."""
-
 from django.http import Http404
 import django.test
 

tests/views.py

@@ -1,5 +1,4 @@
 """Tests around :mod:`django_downloadview.views`."""
-
 import calendar
 from datetime import datetime
 import os
@@ -86,12 +85,13 @@ class DownloadMixinTestCase(unittest.TestCase):
         When calling file wrapper's ``was_modified_since()`` raises
         ``NotImplementedError`` or ``AttributeError``,
         :meth:`django_downloadview.views.base.DownloadMixin.was_modified_since`
-        tries to pass file wrapper's ``modified_time`` to
+        tries to pass file wrapper's ``size`` and ``modified_time`` to
         :func:`django.views.static import was_modified_since`.
 
         """
         file_wrapper = mock.Mock()
         file_wrapper.was_modified_since = mock.Mock(side_effect=AttributeError)
+        file_wrapper.size = mock.sentinel.size
         file_wrapper.modified_time = datetime.now()
         was_modified_since_mock = mock.Mock(return_value=mock.sentinel.was_modified)
         mixin = views.DownloadMixin()
@@ -106,6 +106,7 @@ class DownloadMixinTestCase(unittest.TestCase):
         was_modified_since_mock.assert_called_once_with(
             mock.sentinel.since,
             calendar.timegm(file_wrapper.modified_time.utctimetuple()),
+            mock.sentinel.size,
         )
 
     def test_was_modified_since_fallback(self):
@@ -116,7 +117,7 @@ class DownloadMixinTestCase(unittest.TestCase):
         * calling file wrapper's ``was_modified_since()`` raises
           ``NotImplementedError`` or ``AttributeError``;
 
-        * and accessing ``modified_time`` from file wrapper raises
+        * and accessing ``size`` and ``modified_time`` from file wrapper raises
           ``NotImplementedError`` or ``AttributeError``...
 
         ... then

tox.ini

@@ -1,49 +1,44 @@
 [tox]
 envlist =
-    py{38,39,310,311,312}-dj{42}-{unittest,pytest,checkmigrations}
+    py{36,37,38,39,310}-dj{22,31,32}
-    py{310,311,312,313}-dj{50}-{unittest,pytest,checkmigrations}
+    py{38,39,310}-dj{40,main}
-    py{310,311,312,313}-dj{51}-{unittest,pytest,checkmigrations}
-    py{310,311,312,313,314}-dj{52}-{unittest,pytest,checkmigrations}
-    py{312,313,314}-dj{main}-{unittest,pytest,checkmigrations}
     lint
     sphinx
     readme
 
 [gh-actions]
 python =
+    3.6: py36
+    3.7: py37
     3.8: py38, lint, sphinx, readme
     3.9: py39
     3.10: py310
-    3.11: py311
-    3.12: py312
-    3.13: py313
-    3.14: py314
 
 [gh-actions:env]
 DJANGO =
-    4.2: dj42
+    2.2: dj22
-    5.0: dj50
+    3.1: dj31
-    5.1: dj51
+    3.2: dj32
-    5.2: dj52
+    4.0: dj40
     main: djmain
 
 [testenv]
 deps =
     coverage
-    dj42: Django>=4.2,<5.0
+    dj22: Django>=2.2,<3.0
-    dj50: Django>=5.0,<5.1
+    dj31: Django>=3.1,<3.2
-    dj51: django>=5.1,<5.2
+    dj32: Django>=3.2,<3.3
-    dj52: django>=5.2,<5.3
+    dj40: Django>=4.0,<4.1
     djmain: https://github.com/django/django/archive/main.tar.gz
     pytest
     pytest-cov
 commands =
     pip install -e .
     pip install -e demo
-    # doctests and unit tests
+    # doctests
     pytest --cov=django_downloadview --cov=demoproject {posargs}
-    # demo project integration tests
+    # all other test cases
-    coverage run --append {envbindir}/demo test {posargs: demoproject}
+    coverage run --append {envbindir}/demo test {posargs: tests demoproject}
     coverage xml
     pip freeze
 ignore_outcome =
@@ -85,4 +80,3 @@ source = django_downloadview,demo
 [pytest]
 DJANGO_SETTINGS_MODULE = demoproject.settings
 addopts = --doctest-modules --ignore=docs/
-python_files = tests/*.py