Drop support for EOL Python

8 files changed, 25 insertions, 49 deletions

diff --git a/.travis.yml b/.travis.yml
index 27f1391..b9d7c68 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,6 @@
 language: python
 python:
-  - "2.6"
   - "2.7"
-  - "3.3"
   - "3.4"
   - "3.5"
   - "3.6"
diff --git a/README.md b/README.md
index fcdccdc..66af3ab 100644
--- a/README.md
+++ b/README.md
@@ -9,31 +9,33 @@ interested parties to subscribe to events, or "signals".
 Signal receivers can subscribe to specific senders or receive signals
 sent by any sender.
 
-    >>> from blinker import signal
-    >>> started = signal('round-started')
-    >>> def each(round):
-    ...     print "Round %s!" % round
-    ...
-    >>> started.connect(each)
-    
-    >>> def round_two(round):
-    ...     print "This is round two."
-    ...
-    >>> started.connect(round_two, sender=2)
-  
-    >>> for round in range(1, 4):
-    ...     started.send(round)
-    ...
-    Round 1!
-    Round 2!
-    This is round two.
-    Round 3!
+```python
+>>> from blinker import signal
+>>> started = signal('round-started')
+>>> def each(round):
+...     print "Round %s!" % round
+...
+>>> started.connect(each)
+
+>>> def round_two(round):
+...     print "This is round two."
+...
+>>> started.connect(round_two, sender=2)
+
+>>> for round in range(1, 4):
+...     started.send(round)
+...
+Round 1!
+Round 2!
+This is round two.
+Round 3!
+```
 
 See the [Blinker documentation](https://pythonhosted.org/blinker/) for more information.
 
 ## Requirements
 
-Blinker requires Python 2.4 or higher, Python 3.0 or higher, or Jython 2.5 or higher.
+Blinker requires Python 2.7, Python 3.4 or higher, or Jython 2.5 or higher.
 
 ## Changelog Summary
 
diff --git a/blinker/_utilities.py b/blinker/_utilities.py
index 056270d..45e58ff 100644
--- a/blinker/_utilities.py
+++ b/blinker/_utilities.py
@@ -57,16 +57,6 @@ except:
                                             dict.__repr__(self))
 
 
-try:
-    from contextlib import contextmanager
-except ImportError:
-    def contextmanager(fn):
-        def oops(*args, **kw):
-            raise RuntimeError("Python 2.5 or above is required to use "
-                               "context managers.")
-        oops.__name__ = fn.__name__
-        return oops
-
 class _symbol(object):
 
     def __init__(self, name):
diff --git a/blinker/base.py b/blinker/base.py
index 3fd77d8..f16f22a 100644
--- a/blinker/base.py
+++ b/blinker/base.py
@@ -8,12 +8,12 @@ each manages its own receivers and message emission.
 The :func:`signal` function provides singleton behavior for named signals.
 
 """
+from contextlib import contextmanager
 from warnings import warn
 from weakref import WeakValueDictionary
 
 from blinker._utilities import (
     WeakTypes,
-    contextmanager,
     defaultdict,
     hashable_identity,
     lazy_property,
diff --git a/docs/source/index.rst b/docs/source/index.rst
index 28976d8..a53cd81 100644
--- a/docs/source/index.rst
+++ b/docs/source/index.rst
@@ -16,7 +16,7 @@ The core of Blinker is quite small but provides powerful features:
  - thread safety
 
 Blinker was written by Jason Kirtand and is provided under the MIT
-License. The library supports Python 2.4 or later; Python 3.0 or later;
+License. The library supports Python 2.7 and Python 3.4 or later;
 or Jython 2.5 or later; or PyPy 1.6 or later.
 
 
diff --git a/setup.py b/setup.py
index ad53c25..0a9cb6f 100644
--- a/setup.py
+++ b/setup.py
@@ -24,15 +24,8 @@ setup(name="blinker",
           'Operating System :: OS Independent',
           'Programming Language :: Python',
           'Programming Language :: Python :: 2',
-          'Programming Language :: Python :: 2.4',
-          'Programming Language :: Python :: 2.5',
-          'Programming Language :: Python :: 2.6',
           'Programming Language :: Python :: 2.7',
           'Programming Language :: Python :: 3',
-          'Programming Language :: Python :: 3.0',
-          'Programming Language :: Python :: 3.1',
-          'Programming Language :: Python :: 3.2',
-          'Programming Language :: Python :: 3.3',
           'Programming Language :: Python :: 3.4',
           'Programming Language :: Python :: 3.5',
           'Programming Language :: Python :: 3.6',
diff --git a/tests/test_signals.py b/tests/test_signals.py
index a1172ed..2aa4b16 100644
--- a/tests/test_signals.py
+++ b/tests/test_signals.py
@@ -486,10 +486,3 @@ def test_named_blinker():
 def values_are_empty_sets_(dictionary):
     for val in dictionary.values():
         assert val == set()
-
-if sys.version_info < (2, 5):
-    def test_context_manager_warning():
-        sig = blinker.Signal()
-        receiver = lambda sender: None
-
-        assert_raises(RuntimeError, sig.connected_to, receiver)
diff --git a/tox.ini b/tox.ini
index 5046326..fa5ce00 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py25,py26,py27,py30,py31,py32,py33,py34,py35,jython
+envlist = py27,py34,py35,py36,jython
 
 [testenv]
 deps=nose