source-checker: small Python script to check local sources against conf/checksums.ini

diff --git a/contrib/source-checker/.mtn2git_empty b/contrib/source-checker/.mtn2git_empty
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diff --git a/contrib/source-checker/oe-source-checker.py b/contrib/source-checker/oe-source-checker.py
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+#!/usr/bin/env python
+# ex:ts=4:sw=4:sts=4:et
+
+# Copyright (C) 2007 OpenedHand
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+#
+# OpenEmbedded source checksums checker
+#
+# This script parse conf/checksums.ini and check does files contained in
+# source archive are the same as the one used to generate checksums.
+#
+# Run it:
+#
+# oe-source-checker.py path-to-conf/checksums.ini path-to-sources
+#
+#
+# How to deal with output:
+#
+# 1. download each failed entry
+# 2. check md5 and sha256 of file
+# 3. correct checksums.ini if needed
+# 4. share changes
+#
+
+
+import sys, ConfigParser
+
+checksums_parser = ConfigParser.ConfigParser()
+checksums_parser.read(sys.argv[1])
+
+for source in checksums_parser.sections():
+    archive = source.split("/")[-1]
+    localpath = sys.argv[2] + "/" + archive
+    md5 = checksums_parser.get(source, "md5")
+    sha = checksums_parser.get(source, "sha256")
+
+    try:
+        os.stat(localpath)
+        try:
+            md5pipe = os.popen('md5sum ' + localpath)
+            md5data = (md5pipe.readline().split() or [ "" ])[0]
+            md5pipe.close()
+        except OSError:
+            raise Exception("Executing md5sum failed")
+
+        try:
+            shapipe = os.popen("oe_sha256sum " + localpath)
+            shadata = (shapipe.readline().split() or [ "" ])[0]
+            shapipe.close()
+        except OSError:
+            raise Exception("Executing shasum failed")
+
+        if md5 != md5data:
+            print "%s has wrong md5: %s instead of %s url: %s" % (archive, md5data, md5, source) 
+
+        if sha != shadata:
+            print "%s has wrong sha: %s instead of %s url: %s" % (archive, shadata, sha, source) 
+    except:
+        pass