added checksum support to g_octave.description module, with test

2 files changed, 8 insertions, 0 deletions

diff --git a/g_octave/description.py b/g_octave/description.py
index df0c23e..c0a3fe7 100644
--- a/g_octave/description.py
+++ b/g_octave/description.py
@@ -33,6 +33,7 @@ from contextlib import closing
 from .config import Config
 from .exception import ConfigException, DescriptionException
 from .compat import py3k
+from .checksum import sha1_compute
 
 if py3k:
     import urllib.request as urllib
@@ -62,6 +63,8 @@ class Description(object):
             log.error('File not found: %s' % file)
             raise DescriptionException('File not found: %s' % file)
 
+        self._file = file
+
         # dictionary with the parsed content of the DESCRIPTION file
         self._desc = dict()
 
@@ -259,6 +262,10 @@ class Description(object):
         return depends_list
 
 
+    def sha1sum(self):
+        return sha1_compute(self._file)
+
+
     def __getattr__(self, name):
         """method that overloads the object atributes, returning the needed
         atribute based on the dict with the previously parsed content.
diff --git a/tests/test_description.py b/tests/test_description.py
index 9016325..57f933b 100644
--- a/tests/test_description.py
+++ b/tests/test_description.py
@@ -198,6 +198,7 @@ class TestDescription(unittest.TestCase):
         self.assertEqual(self.desc.depends, ['>=sci-mathematics/octave-3.0.0'])
         self.assertEqual(self.desc.autoload, 'NO')
         self.assertEqual(self.desc.license, 'GPL version 3 or later')
+        self.assertEqual(self.desc.sha1sum(), '6538f6e7cd4515ef38e04a9b62da4bebb7496b51')
 
     def tearDown(self):
         # removing the temp tree