aboutsummaryrefslogtreecommitdiff
path: root/potpourri/analyze-transition.py
blob: 9f7928dcca5e85519ae11687390bcafafd452798 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
# $Id$
#
# 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.

"""
Compare rcynic.xml files, tell the user what became invalid, and why.
"""

import sys

try:
    from lxml.etree            import ElementTree
except ImportError:
    from xml.etree.ElementTree import ElementTree

class Object(object):

    def __init__(self, session, uri):
        self.session = session
        self.uri = uri
        self.labels = []

    def add(self, label):
        self.labels.append(label)

    def __cmp__(self, other):
        return cmp(self.labels, other.labels)

    @property
    def accepted(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"):
            status = elt.get("status")
            uri = elt.text.strip()
            if status.startswith("rsync_transfer_") or elt.get("generation") != "current":
                continue
            if uri not in self:
                self[uri] = Object(self, uri)
            self[uri].add(status)

skip_labels = frozenset(("object_accepted", "object_rejected"))

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

    old_uris = frozenset(old_db)
    new_uris = frozenset(new_db)

    for uri in sorted(old_uris - new_uris):
        print new_db.date, uri, "dropped"

    for uri in sorted(old_uris & new_uris):
        old = old_db[uri]
        new = new_db[uri]
        if old.accepted and not new.accepted:
            print new_db.date, uri, "invalid"
            labels = frozenset(new.labels) - frozenset(old.labels) - skip_labels
            for label in new.labels:
                if label in labels:
                    print " ", new_db.descrs[label]