Merge pull request #396 from joke2k/deprecate/python3.5

Deprecate Python 3.5

CHANGELOG.rst

@@ -7,6 +7,10 @@ and this project adheres to `Semantic Versioning <https://semver.org/spec/v2.0.0
 
 `v0.10.0`_ - 00-Unreleased-2022
 -------------------------------
+Deprecated
+++++++++++
+- Support of Python < 3.6 is deprecated and will be removed
+  in next major version.
 
 Removed
 +++++++
@@ -25,19 +29,16 @@ Added
   `#362 <https://github.com/joke2k/django-environ/issues/362>`_.
 - Amended documentation.
 
-
 Deprecated
 ++++++++++
 - ``Env.unicode()`` is deprecated and will be removed in the next
   major release. Use ``Env.str()`` instead.
 
-
 Changed
 +++++++
 - Attach cause to ``ImproperlyConfigured`` exception
   `#360 <https://github.com/joke2k/django-environ/issues/360>`_.
 
-
 Fixed
 +++++
 - Fixed ``_cast_urlstr`` unquoting
@@ -75,7 +76,6 @@ Added
 - Added ``pymemcache`` cache backend for Django 3.2+
   `#335 <https://github.com/joke2k/django-environ/pull/335>`_.
 
-
 Fixed
 +++++
 - Keep newline/tab escapes in quoted strings
@@ -199,13 +199,13 @@ Fixed
 +++++
 - Fix Path subtracting.
 
-
 `v0.4.3`_ - 21-August-2017
 --------------------------
 Changed
 +++++++
 - Rollback the default Environ to ``os.environ``.
 
+
 `v0.4.2`_ - 13-April-2017
 -------------------------
 Added
@@ -220,6 +220,7 @@ Changed
 - Update support for ``django-redis`` urls
   `#109 <https://github.com/joke2k/django-environ/pull/109>`_.
 
+
 `v0.4.1`_ - 13-November-2016
 ----------------------------
 Added
@@ -234,6 +235,7 @@ Changed
 - Fixed support for Oracle urls.
 - Fixed support for ``django-redis``.
 
+
 `v0.4`_ - 23-September-2015
 ---------------------------
 Added
@@ -277,12 +279,14 @@ Changed
 +++++++
 - Rewriting README.rst.
 
+
 v0.2.1 - 19-April-2013
 ----------------------
 Changed
 +++++++
 - ``Env.__call__`` now uses ``Env.get_value`` instance method.
 
+
 v0.2 - 16-April-2013
 --------------------
 Added
@@ -293,6 +297,7 @@ Fixed
 +++++
 - Fixed typos in the documentation.
 
+
 v0.1 - 2-April-2013
 -------------------
 Added

docs/deprecations.rst

@@ -2,6 +2,16 @@
 Deprecations
 ============
 
+Features deprecated in 0.10.0
+=============================
+
+Python
+------
+
+* Support of Python < 3.6 is deprecated and will be removed
+  in next major version.
+
+
 Features deprecated in 0.9.0
 ============================
 

setup.py

@@ -10,11 +10,21 @@
 
 import codecs
 import re
+import sys
+import warnings
 from os import path
 
 from setuptools import find_packages, setup
 
 
+if sys.version_info < (3, 6):
+    warnings.warn(
+        "Support of Python < 3.6 is deprecated"
+        "and will be removed in a future release.",
+        DeprecationWarning
+    )
+
+
 def read_file(filepath):
     """Read content from a UTF-8 encoded text file."""
     with codecs.open(filepath, 'rb', 'utf-8') as file_handle:
@@ -139,7 +149,6 @@ def get_version_string():
 
     'Programming Language :: Python',
     'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.4',
     'Programming Language :: Python :: 3.5',
     'Programming Language :: Python :: 3.6',
     'Programming Language :: Python :: 3.7',
@@ -217,7 +226,7 @@ def get_version_string():
         platforms=['any'],
         include_package_data=True,
         zip_safe=False,
-        python_requires='>=3.4,<4',
+        python_requires='>=3.5,<4',
         install_requires=INSTALL_REQUIRES,
         dependency_links=DEPENDENCY_LINKS,
         extras_require=EXTRAS_REQUIRE,