1 files changed, 71 insertions, 0 deletions
diff --git a/gluster/swift/common/middleware/gswauth/swauth/swift_version.py b/gluster/swift/common/middleware/gswauth/swauth/swift_version.py
new file mode 100644
index 0000000..cabe284
--- /dev/null
+++ b/gluster/swift/common/middleware/gswauth/swauth/swift_version.py
@@ -0,0 +1,71 @@
+import swift
+
+
+MAJOR = None
+MINOR = None
+REVISION = None
+FINAL = None
+
+
+def parse(value):
+    parts = value.split('.')
+    if parts[-1].endswith('-dev'):
+        final = False
+        parts[-1] = parts[-1][:-4]
+    else:
+        final = True
+    major = int(parts.pop(0))
+    minor = int(parts.pop(0))
+    if parts:
+        revision = int(parts.pop(0))
+    else:
+        revision = 0
+    return major, minor, revision, final
+
+
+def newer_than(value):
+    global MAJOR, MINOR, REVISION, FINAL
+    major, minor, revision, final = parse(value)
+    if MAJOR is None:
+        MAJOR, MINOR, REVISION, FINAL = parse(swift.__version__)
+    if MAJOR < major:
+        return False
+    elif MAJOR == major:
+        if MINOR < minor:
+            return False
+        elif MINOR == minor:
+            if REVISION < revision:
+                return False
+            elif REVISION == revision:
+                if not FINAL or final:
+                    return False
+    return True
+
+
+def run_tests():
+    global MAJOR, MINOR, REVISION, FINAL
+    MAJOR, MINOR, REVISION, FINAL = parse('1.3')
+    assert(newer_than('1.2'))
+    assert(newer_than('1.2.9'))
+    assert(newer_than('1.3-dev'))
+    assert(newer_than('1.3.0-dev'))
+    assert(not newer_than('1.3'))
+    assert(not newer_than('1.3.0'))
+    assert(not newer_than('1.3.1-dev'))
+    assert(not newer_than('1.3.1'))
+    assert(not newer_than('1.4'))
+    assert(not newer_than('2.0'))
+    MAJOR, MINOR, REVISION, FINAL = parse('1.7.7-dev')
+    assert(newer_than('1.6'))
+    assert(newer_than('1.7'))
+    assert(newer_than('1.7.6-dev'))
+    assert(newer_than('1.7.6'))
+    assert(not newer_than('1.7.7'))
+    assert(not newer_than('1.7.8-dev'))
+    assert(not newer_than('1.7.8'))
+    assert(not newer_than('1.8.0'))
+    assert(not newer_than('2.0'))
+
+
+if __name__ == '__main__':
+    run_tests()