Merge pull request #100 from timofurrer/feature/remove-py26-support

Mark python 2.6 as deprecated

sure/__init__.py

@@ -51,6 +51,18 @@
 version = '1.2.24'
 
 
+def print_py26_deprecation_warn():
+    # warn the user if sure is used with python 2.6.
+    # sure will remove python 2.6 support in the next version.
+    # make sure to remove this code as soon as the python 2.6 support is removed
+    if sys.version_info[0] == 2 and sys.version_info[1] == 6:
+        import warnings
+        warnings.simplefilter("always", PendingDeprecationWarning)
+        warnings.warn("The next version of sure will NO LONGER support python 2.6", PendingDeprecationWarning)
+
+print_py26_deprecation_warn()
+
+
 not_here_error = \
     'you have tried to access the attribute %r from the context ' \
     '(aka VariablesBag), but there is no such attribute assigned to it. ' \

tests/test_py26_deprecation.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+
+from sure import expect
+import sys
+import warnings
+
+from mock import patch
+
+
+def test_deprecation_warning_py26():
+    """test deprecation warning in python 2.6"""
+    with patch.object(sys, "version_info") as version_info_patch, warnings.catch_warnings(record=True) as captured_warnings:
+        from sure import print_py26_deprecation_warn
+
+        # do not expect deprecation warning if python 2.7
+        version_info_patch.__getitem__.side_effect = [2, 7]
+        print_py26_deprecation_warn()
+        expect(captured_warnings).should.be.empty
+
+        version_info_patch.__getitem__.side_effect = [2, 6]
+        print_py26_deprecation_warn()
+
+        expect(captured_warnings).should.have.length_of(1)
+        expect(captured_warnings[0].category).should.be.equal(PendingDeprecationWarning)
+        expect(str(captured_warnings[0].message)).should.be.equal("The next version of sure will NO LONGER support python 2.6")