Merge pull request #40 from sbrunner/end-tilde

We can have a revision that ends with tilde

src/debian_inspector/version.py

@@ -177,7 +177,7 @@ def tuple(self):
     r'|'
       # If there is no debian_revision then hyphens are not allowed.
       # we are adding the extra check that it must end with alphanum
-      r'[A-Za-z0-9\.\+\~]*[A-Za-z0-9]-[A-Za-z0-9\+\.\~]*[A-Za-z0-9]'
+      r'[A-Za-z0-9\.\+\~]*[A-Za-z0-9]-[A-Za-z0-9\+\.\~]*[A-Za-z0-9\~]'
     r')?'
     r'$').match
 

tests/test_version.py

@@ -54,6 +54,9 @@ def test_Version_from_string_tuples(self):
         assert (0, '0.0', '0') == Version.from_string('0:0.0-0').tuple()
         assert (0, '0.0', '00') == Version.from_string('0:0.0-00').tuple()
 
+    def test_Version_from_string_tilde(self):
+        assert '0~' == Version.from_string('0.0.0+dfsg-0~').revision
+
     def test_get_non_digit_prefix(self):
         assert '' == get_non_digit_prefix('')
         assert '' == get_non_digit_prefix('0')