WebKitTools/TestResultServer/model/dashboardfile.py
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKitTools/TestResultServer/model/dashboardfile.py	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,116 @@
+# Copyright (C) 2010 Google Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+# 
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+# 
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+from datetime import datetime
+import logging
+import urllib
+import urllib2
+
+from google.appengine.ext import db
+
+SVN_PATH_DASHBOARD = ("http://src.chromium.org/viewvc/chrome/trunk/tools/"
+    "dashboards/")
+
+class DashboardFile(db.Model):
+    name = db.StringProperty()
+    data = db.BlobProperty()
+    date = db.DateTimeProperty(auto_now_add=True)
+
+    @classmethod
+    def get_files(cls, name, limit=1):
+        query = DashboardFile.all()
+        if name:
+            query = query.filter("name =", name)
+        return query.order("-date").fetch(limit)
+
+    @classmethod
+    def add_file(cls, name, data):
+        file = DashboardFile()
+        file.name = name
+        file.data = db.Blob(data)
+        file.put()
+
+        logging.debug("Dashboard file saved, name: %s.", name)
+
+        return file
+
+    @classmethod
+    def grab_file_from_svn(cls, name):
+        logging.debug("Grab file from SVN, name: %s.", name)
+
+        url = SVN_PATH_DASHBOARD + urllib.quote_plus(name)
+
+        logging.info("Grab file from SVN, url: %s.", url)
+        try:
+            file = urllib2.urlopen(url)
+            if not file:
+                logging.error("Failed to grab dashboard file: %s.", url)
+                return None
+
+            return file.read()
+        except urllib2.HTTPError, e:
+            logging.error("Failed to grab dashboard file: %s", str(e))
+        except urllib2.URLError, e:
+            logging.error("Failed to grab dashboard file: %s", str(e))
+
+        return None
+
+    @classmethod
+    def update_file(cls, name):
+        data = cls.grab_file_from_svn(name)
+        if not data:
+            return None
+
+        logging.info("Got file from SVN.")
+
+        files = cls.get_files(name)
+        if not files:
+            logging.info("No existing file, added as new file.")
+            return cls.add_file(name, data)
+        
+        logging.debug("Updating existing file.")
+        file = files[0]
+        file.data = data
+        file.date = datetime.now()
+        file.put()
+
+        logging.info("Dashboard file replaced, name: %s.", name)
+
+        return file
+
+    @classmethod
+    def delete_file(cls, name):
+        files = cls.get_files(name)
+        if not files:
+            logging.warning("File not found, name: %s.", name)
+            return False
+
+        for file in files:
+            file.delete()
+
+        return True