Add IS_RELEASE_VERSION boolean.

Allows us to check if we are in a final release version or a development
one.
Also added tests for the new functionality.

2 files changed, 85 insertions, 0 deletions

diff --git a/src/leap/util/__init__.py b/src/leap/util/__init__.py
index 93eb714d..f39b52e9 100644
--- a/src/leap/util/__init__.py
+++ b/src/leap/util/__init__.py
@@ -20,10 +20,38 @@ Initializes version and app info, plus some small and handy functions.
 import datetime
 import os
 
+from pkg_resources import parse_version
+
+
+def _is_release_version(version):
+    """
+    Helper to determine whether a version is a final release or not.
+    The release needs to be of the form: w.x.y.z containing only numbers
+    and dots.
+
+    :param version: the version string
+    :type version: str
+    :returns: if the version is a release version or not.
+    :rtype: bool
+    """
+    parsed_version = parse_version(version)
+    not_number = 0
+    for x in parsed_version:
+        try:
+            int(x)
+        except:
+            not_number += 1
+
+    return not_number == 1
+
+
 __version__ = "unknown"
+IS_RELEASE_VERSION = False
+
 try:
     from leap._version import get_versions
     __version__ = get_versions()['version']
+    IS_RELEASE_VERSION = _is_release_version(__version__)
     del get_versions
 except ImportError:
     #running on a tree that has not run
diff --git a/src/leap/util/tests/test_is_release_version.py b/src/leap/util/tests/test_is_release_version.py
new file mode 100644
index 00000000..4199f603
--- /dev/null
+++ b/src/leap/util/tests/test_is_release_version.py
@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+# test_is_release_version.py
+# Copyright (C) 2013 LEAP
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+"""
+tests for _is_release_version function
+"""
+
+import unittest
+from leap.common.testing.basetest import BaseLeapTest
+from leap.util import _is_release_version as is_release_version
+
+
+class TestIsReleaseVersion(BaseLeapTest):
+    """Tests for release version check."""
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def test_git_version(self):
+        version = '0.2.3-12-ge5b50a1'
+        self.assertFalse(is_release_version(version))
+
+    def test_release(self):
+        version = '0.2.4'
+        self.assertTrue(is_release_version(version))
+
+    def test_release_candidate(self):
+        version = '0.2.4-rc1'
+        self.assertFalse(is_release_version(version))
+
+    def test_complex_version(self):
+        version = '12.5.2.4-rc12.dev.alpha1'
+        self.assertFalse(is_release_version(version))
+
+    def test_super_high_version(self):
+        version = '12.5.2.4.45'
+        self.assertTrue(is_release_version(version))
+
+
+if __name__ == "__main__":
+    unittest.main(verbosity=2)