First (fairly lame) pass at comparing rcynic.xml files. Not friendly

enough for anybody yet, even the author, at the moment just testing
the basic comparision algorithm.

svn path=/trunk/; revision=4525

1 files changed, 88 insertions, 0 deletions

diff --git a/rcynic/rcynic-diff.py b/rcynic/rcynic-diff.py
new file mode 100644
index 00000000..82767ec7
--- /dev/null
+++ b/rcynic/rcynic-diff.py
@@ -0,0 +1,88 @@
+"""
+Diff two rcynic.xml files, sort of.
+
+$Id$
+
+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, uri, generation):
+    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)
+
+  def show(self):
+    print " ", self.uri, self.generation, ",".join(self.labels)
+
+class Session(dict):
+
+  def __init__(self, name):
+    self.name = name
+    for elt in ElementTree(file = name).findall("validation_status"):
+      generation = elt.get("generation")
+      status = elt.get("status")
+      uri = elt.text.strip()
+      key = (uri, generation)
+      if key not in self:
+        self[key] = Object(uri, generation)
+      self[key].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
+
+  only_old = set(old_db) - set(new_db)
+  only_new = set(new_db) - set(old_db)
+  common   = set(old_db) & set(new_db)
+
+  if only_old:
+    print "Only in", old_db.name
+    for key in sorted(only_old):
+      old_db[key].show()
+    print
+
+  for key in sorted(common):
+    if old_db[key] != new_db[key]:
+      print "Changed:"
+      old_db[key].show()
+      new_db[key].show()
+      print
+
+  if only_new:
+    print "Only in", new_db.name
+    for key in sorted(only_new):
+      new_db[key].show()
+    print