From b08014a65eabfa8dfe372bdf0aa8195309f6e736 Mon Sep 17 00:00:00 2001
From: Martin Ek <mail@ekmartin.com>
Date: Mon, 7 Mar 2016 13:15:14 +0100
Subject: Add a doc section about compatible release clauses

---
 docs/reference.rst | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docs/reference.rst b/docs/reference.rst
index a645c1f..358b2c0 100644
--- a/docs/reference.rst
+++ b/docs/reference.rst
@@ -277,6 +277,11 @@ This means that::
 .. note:: python-semanticversion also accepts ``"*"`` as a version spec,
           that matches all (valid) version strings.
 
+.. note:: python-semanticversion supports PyPI-style `compatible release clauses`_:
+
+          * ``~=2.2`` means "Any release between 2.2.0 and 3.0.0"
+          * ``~=1.4.5`` means "Any release between 1.4.5 and 1.5.0"
+
 .. note:: python-semanticversion includes support for NPM-style specs:
 
           * ``~1.2.3`` means "Any release between 1.2.3 and 1.3.0"
@@ -568,3 +573,4 @@ rules apply:
 
 
 .. _SemVer: http://semver.org/
+.. _`compatible release clauses`: https://www.python.org/dev/peps/pep-0440/#compatible-release
-- 
cgit v1.2.1


From 2d3f694f852ac1619d673b67b115cb9bbb352c5e Mon Sep 17 00:00:00 2001
From: Martin Ek <mail@ekmartin.com>
Date: Mon, 7 Mar 2016 13:22:13 +0100
Subject: Fix a bug with compatible release clauses and patch versions

Previously, if the patch version was 0 (i.e. as in ~=2.2.0),
this would cause the range to be interpreted as ~=2.2.
---
 semantic_version/base.py | 2 +-
 tests/test_base.py       | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/semantic_version/base.py b/semantic_version/base.py
index 83a9c25..0f4e11b 100644
--- a/semantic_version/base.py
+++ b/semantic_version/base.py
@@ -470,7 +470,7 @@ class SpecItem(object):
         elif self.kind == self.KIND_TILDE:
             return self.spec <= version < self.spec.next_minor()
         elif self.kind == self.KIND_COMPATIBLE:
-            if self.spec.patch:
+            if self.spec.patch is not None:
                 upper = self.spec.next_minor()
             else:
                 upper = self.spec.next_major()
diff --git a/tests/test_base.py b/tests/test_base.py
index 0675b24..a1255c3 100755
--- a/tests/test_base.py
+++ b/tests/test_base.py
@@ -518,6 +518,10 @@ class SpecItemTestCase(unittest.TestCase):
             ['1.4.5', '1.4.10-alpha', '1.4.10'],
             ['1.3.6', '1.4.4', '1.5.0'],
         ),
+        '~=1.4.0': (
+            ['1.4.0', '1.4.10-alpha', '1.4.10'],
+            ['1.3.6', '1.3.9', '1.5.0'],
+        ),
         '~=1.4': (
             ['1.4.0', '1.6.10-alpha', '1.6.10'],
             ['1.3.0', '2.0.0'],
-- 
cgit v1.2.1