Mercurial > treepkg
comparison contrib/sawmill/bin/generate-rss.py @ 492:93d66243bce7
sawmill: Added RSS feed generator.
| author | Sascha Teichmann <teichmann@intevation.de> |
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| date | Thu, 30 Sep 2010 22:51:45 +0000 |
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| 491:f1be9657c1d2 | 492:93d66243bce7 |
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| 1 #!/usr/bin/env python | |
| 2 # -*- coding: UTF-8 -*- | |
| 3 # | |
| 4 # Copyright (C) 2010 by Intevation GmbH | |
| 5 # Authors: | |
| 6 # Sascha L. Teichmann <sascha.teichmann@intevation.de> | |
| 7 # | |
| 8 # This program is free software under the GPL (>=v2) | |
| 9 # Read the file COPYING coming with the software for details. | |
| 10 | |
| 11 import sys | |
| 12 import os | |
| 13 import re | |
| 14 import traceback | |
| 15 | |
| 16 from datetime import datetime | |
| 17 | |
| 18 from lxml import etree | |
| 19 | |
| 20 import PyRSS2Gen as RSS2 | |
| 21 | |
| 22 BASE_URL = "http://saegewerk2.wald.intevation.org/buildlogs" | |
| 23 LINK_URL = "%s/details.py?treepkg=%%s" % BASE_URL | |
| 24 ITEM_URL = "%s/details.py?treepkg=%%s#%%s" % BASE_URL | |
| 25 | |
| 26 TITLE = "Saegewerk - %s" | |
| 27 DESCRIPTION = "Build errors of '%s'" | |
| 28 MESSAGE = "%s: error building %s rev. %s" | |
| 29 TTL = 7 | |
| 30 | |
| 31 START = re.compile( | |
| 32 r"start:\s+(\d{4})-(\d{2})-(\d{2})\s+(\d{2}):(\d{2}):(\d{2})") | |
| 33 STATUS = re.compile(r"status:\s+(.+)") | |
| 34 | |
| 35 INVALID_LABEL = re.compile(r"[^a-zA-Z0-9_]") | |
| 36 | |
| 37 def make_valid_label(l): | |
| 38 return INVALID_LABEL.sub("_", l) | |
| 39 | |
| 40 def to_datetime(m): | |
| 41 m = map(int, m.groups()) | |
| 42 return datetime( | |
| 43 year=m[0], month=m[1], day=m[2], | |
| 44 hour=m[3], minute=m[4], second=m[5]) | |
| 45 | |
| 46 def usage(msg, code=1): | |
| 47 print >> sys.stderr, "%s <treepkgs directory>" % sys.argv[0] | |
| 48 print >> sys.stderr, "%s" % msg | |
| 49 sys.exit(code) | |
| 50 | |
| 51 def main(): | |
| 52 if len(sys.argv) < 2: | |
| 53 usage("missing treepkgs directory") | |
| 54 | |
| 55 treepkgs_dir = sys.argv[1] | |
| 56 if not os.path.isdir(treepkgs_dir): | |
| 57 usage("'%s' is not a directory" % treepkgs_dir) | |
| 58 | |
| 59 for treepkg in os.listdir(treepkgs_dir): | |
| 60 treepkg_dir = os.path.join(treepkgs_dir, treepkg) | |
| 61 if not os.path.isdir(treepkg_dir): continue | |
| 62 treepkg_xml = os.path.join(treepkg_dir, "treepkg.xml") | |
| 63 if not os.path.isfile(treepkg_xml): continue | |
| 64 try: | |
| 65 f = open(treepkg_xml, "rb") | |
| 66 try: treepkg_dom = etree.parse(f) | |
| 67 finally: f.close() | |
| 68 except: | |
| 69 traceback.print_exc(file=sys.stderr) | |
| 70 continue | |
| 71 description = ''.join( | |
| 72 treepkg_dom.xpath('/treepkg/description/text()')) | |
| 73 | |
| 74 tracks_dir = os.path.join(treepkg_dir, "tracks") | |
| 75 if not os.path.isdir(tracks_dir): continue | |
| 76 | |
| 77 items = [] | |
| 78 | |
| 79 for track in os.listdir(tracks_dir): | |
| 80 track_dir = os.path.join(tracks_dir, track, "pkg") | |
| 81 if not os.path.isdir(track_dir): continue | |
| 82 | |
| 83 track_label = make_valid_label(track) | |
| 84 | |
| 85 for revision in os.listdir(track_dir): | |
| 86 revision_dir = os.path.join(track_dir, revision) | |
| 87 if not os.path.isdir(revision_dir): continue | |
| 88 status_file = os.path.join(revision_dir, "status") | |
| 89 if not os.path.isfile(status_file): continue | |
| 90 start, status = None, None | |
| 91 try: | |
| 92 f = open(status_file, "r") | |
| 93 try: | |
| 94 while True: | |
| 95 line = f.readline() | |
| 96 if not line: break | |
| 97 m = STATUS.match(line) | |
| 98 if m: status = m.group(1); continue | |
| 99 m = START.match(line) | |
| 100 if m: start = to_datetime(m) | |
| 101 finally: | |
| 102 f.close() | |
| 103 except: | |
| 104 traceback.print_exc(file=sys.stderr) | |
| 105 continue | |
| 106 if status != "error" or not start: continue | |
| 107 | |
| 108 label = ''.join([ | |
| 109 track_label, | |
| 110 make_valid_label(revision), | |
| 111 start.strftime("%Y%m%d%H%M%S")]) | |
| 112 | |
| 113 link = ITEM_URL % (treepkg, label) | |
| 114 msg = MESSAGE % (description, track, revision) | |
| 115 item = RSS2.RSSItem( | |
| 116 title = msg, | |
| 117 link = link, | |
| 118 description = msg, | |
| 119 guid = RSS2.Guid(link, isPermaLink=0), | |
| 120 pubDate = start | |
| 121 ) | |
| 122 items.append(item) | |
| 123 | |
| 124 items.sort(key=lambda x: x.pubDate) | |
| 125 | |
| 126 rss = RSS2.RSS2( | |
| 127 title = TITLE % description, | |
| 128 link = LINK_URL % treepkg, | |
| 129 description = DESCRIPTION % description, | |
| 130 pubDate = datetime.utcnow(), | |
| 131 ttl = TTL, | |
| 132 items = items) | |
| 133 | |
| 134 pid, idx = os.getpid(), 0 | |
| 135 while True: | |
| 136 tmp_f = os.path.join( | |
| 137 treepkg_dir, "rss.xml.tmp%d-%d" % (pid, idx)) | |
| 138 if not os.path.exists(tmp_f): break | |
| 139 idx += 1 | |
| 140 | |
| 141 try: | |
| 142 f = open(tmp_f, "wb") | |
| 143 try: rss.write_xml(f, encoding="UTF-8") | |
| 144 finally: f.close() | |
| 145 | |
| 146 rss_xml = os.path.join(treepkg_dir, "rss.xml") | |
| 147 | |
| 148 os.rename(tmp_f, rss_xml) | |
| 149 except: | |
| 150 traceback.print_exc(file=sys.stderr) | |
| 151 if os.path.exists(tmp_f): | |
| 152 try: os.remove(tmp_f) | |
| 153 except: pass | |
| 154 | |
| 155 if __name__ == '__main__': | |
| 156 main() |