1 files changed, 81 insertions, 0 deletions
diff --git a/scripts/analyze-transition.py b/scripts/analyze-transition.py
new file mode 100644
index 00000000..88e034c1
--- /dev/null
+++ b/scripts/analyze-transition.py
@@ -0,0 +1,81 @@
+"""
+Compare rcynic.xml files, tell the user what became invalid, and why.
+
+$Id$
+
+Copyright (C) 2012 Internet Systems Consortium, Inc. ("ISC")
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+"""
+
+import sys
+
+try:
+  from lxml.etree            import ElementTree
+except ImportError:
+  from xml.etree.ElementTree import ElementTree
+
+class Object(object):
+
+  def __init__(self, session, uri, generation):
+    self.session = session
+    self.uri = uri
+    self.generation = generation
+    self.labels = []
+
+  def add(self, label):
+    self.labels.append(label)
+
+  def __cmp__(self, other):
+    return cmp(self.labels, other.labels)
+
+  @property
+  def valid(self):
+    return "object_accepted" in self.labels
+
+class Session(dict):
+
+  def __init__(self, name):
+    self.name = name
+    tree = ElementTree(file = name)
+    labels = tuple((elt.tag.strip(), elt.text.strip()) for elt in tree.find("labels"))
+    self.labels = tuple(pair[0] for pair in labels)
+    self.descrs = dict(labels)
+    self.date = tree.getroot().get("date")
+    for elt in tree.findall("validation_status"):
+      generation = elt.get("generation")
+      status = elt.get("status")
+      uri = elt.text.strip()
+      if status.startswith("rsync_transfer_") or generation == "backup":
+        continue
+      if uri not in self:
+        self[uri] = Object(self, uri, generation)
+      self[uri].add(status)
+
+old_db = new_db = None
+
+for arg in sys.argv[1:]:
+
+  old_db = new_db
+  new_db = Session(arg)
+  if old_db is None:
+    continue
+
+  for uri in sorted(set(old_db) - set(new_db)):
+    print new_db.date, uri, "dropped"
+
+  for uri in sorted(set(old_db) & set(new_db)):
+    old = old_db[uri]
+    new = new_db[uri]
+    if old.valid and not new.valid:
+      print new_db.date, uri, "invalid", " ".join(sorted(set(new.labels) - set(old.labels) - set(("object_accepted", "object_rejected"))))