5.0 depends on Python 3.6

README.rst

@@ -46,10 +46,9 @@ by `using webhooks`_.
 What do I need?
 ===============
 
-Celery version 4.0 runs on,
+Celery version 5.0 runs on,
 
-- Python (2.7, 3.4, 3.5)
-- PyPy (5.1, 2.4)
+- Python (3.6)
 
 
 This is the last version to support Python 2.7,

docs/getting-started/introduction.rst

@@ -38,17 +38,16 @@ What do I need?
 ===============
 
 .. sidebar:: Version Requirements
-    :subtitle: Celery version 4.0 runs on
+    :subtitle: Celery version 5.0 runs on
 
-    - Python ❨2.7, 3.4, 3.5❩
-    - PyPy ❨5.1, 2.4❩
-
-    This is the last version to support Python 2.7,
-    and from the next version (Celery 5.x) Python 3.6 or newer is required.
+    - Python ❨3.6❩
 
     If you are running an older version of Python, you need to be running
     an older version of Celery:
 
+    - Python 3.5: Celery series 4.0 or ealirer.
+    - Python 3.4: Celery series 4.0 or earlier.
+    - Python 2.7: Celery series 4.0 or earlier.
     - Python 2.6: Celery series 3.1 or earlier.
     - Python 2.5: Celery series 3.0 or earlier.
     - Python 2.4 was Celery series 2.2 or earlier.

docs/includes/introduction.txt

@@ -38,10 +38,9 @@ by `using webhooks`_.
 What do I need?
 ===============
 
-Celery version 4.0 runs on,
+Celery version 5.0 runs on,
 
-- Python (2.7, 3.4, 3.5)
-- PyPy (5.1, 2.4)
+- Python (3.6)
 
 
 This is the last version to support Python 2.7,

setup.py

@@ -17,9 +17,13 @@ except (AttributeError, ImportError):
 
 E_UNSUPPORTED_PYTHON = """
 ----------------------------------------
- Celery 4.0 requires %s %s or later!
+ Celery 5.0 requires %s %s or later!
 ----------------------------------------
 
+- For CPython 2.7, PyPy 2.x, Jython 2.7, CPython 3.4->3.5; use Celery 4.0:
+
+    $ pip install 'celery>3,<5'
+
 - For CPython 2.6, PyPy 1.x, Jython 2.6, CPython 3.2->3.3; use Celery 3.1:
 
     $ pip install 'celery<4'
@@ -34,18 +38,15 @@ E_UNSUPPORTED_PYTHON = """
 """
 
 PYIMP = _pyimp()
-PY26_OR_LESS = sys.version_info < (2, 7)
 PY3 = sys.version_info[0] == 3
-PY33_OR_LESS = PY3 and sys.version_info < (3, 4)
+PY35_OR_LESS = PY3 and sys.version_info < (3, 6)
 JYTHON = sys.platform.startswith('java')
 PYPY_VERSION = getattr(sys, 'pypy_version_info', None)
 PYPY = PYPY_VERSION is not None
 PYPY24_ATLEAST = PYPY_VERSION and PYPY_VERSION >= (2, 4)
 
-if PY26_OR_LESS:
-    raise Exception(E_UNSUPPORTED_PYTHON % (PYIMP, '2.7'))
-elif PY33_OR_LESS and not PYPY24_ATLEAST:
-    raise Exception(E_UNSUPPORTED_PYTHON % (PYIMP, '3.4'))
+if PY35_OR_LESS:
+    raise Exception(E_UNSUPPORTED_PYTHON % (PYIMP, '3.6'))
 
 # -*- Upgrading from older versions -*-
 
@@ -92,11 +93,8 @@ classes = """
     Topic :: System :: Distributed Computing
     Topic :: Software Development :: Object Brokering
     Programming Language :: Python
-    Programming Language :: Python :: 2
-    Programming Language :: Python :: 2.7
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.4
-    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: Implementation :: PyPy
     Operating System :: OS Independent