--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/recipes/kde/enterprise/generic.py	Thu Dec 03 11:13:02 2009 +0000
@@ -0,0 +1,114 @@
+# Copyright (C) 2007, 2008, 2009 by Intevation GmbH
+# Authors:
+# Bernhard Herzog <bh@intevation.de>
+#
+# This program is free software under the GPL (>=v2)
+# Read the file COPYING coming with the software for details.
+
+"""Base classes for all kde entperprise packagers"""
+
+import re
+import time
+import logging
+
+import treepkg.packager
+import treepkg.subversion as subversion
+
+
+class SourcePackager(treepkg.packager.SourcePackager):
+
+    def __init__(self, *args, **kw):
+        super(SourcePackager, self).__init__(*args, **kw)
+        self.enterprise_version = (self.parent.pkg_date + "."
+                                   + str(self.revision))
+
+    def determine_package_version(self, directory):
+        enterprise_version = self.enterprise_version
+        return self.track.version_template % locals()
+
+    def prepare_sources_for_tarball(self, pkgbasedir, pkgbaseversion):
+        self.update_version_numbers(pkgbasedir)
+
+    def update_version_numbers(self, pkgbasedir):
+        """Updates the version numbers in the code in pkgbasedir.
+        The default implementation does nothing.  Derived classes should
+        override this method if necessary.
+        """
+
+
+class RevisionPackager(treepkg.packager.RevisionPackager):
+
+    source_packager_cls = SourcePackager
+
+    def __init__(self, *args, **kw):
+        self.pkg_date = kw.pop("pkg_date",
+                               time.strftime("%Y%m%d", time.localtime()))
+        super(RevisionPackager, self).__init__(*args, **kw)
+
+
+class PackageTrack(treepkg.packager.PackageTrack):
+
+    revision_packager_cls = RevisionPackager
+
+    extra_config_desc = [("tags_url", str, ""),
+                         ("tags_pattern", str, ""),
+                         ("tags_subdir", str, "")]
+
+    def __init__(self, *args, **kw):
+        tags_url = kw.pop("tags_url")
+        tags_pattern = kw.pop("tags_pattern")
+        tags_subdir = kw.pop("tags_subdir")
+        super(PackageTrack, self).__init__(*args, **kw)
+        self.tag_detector = subversion.TagDetector(tags_url, tags_pattern,
+                                                   tags_subdir)
+
+    def packager_for_new_revision(self):
+        logging.info("Checking tags")
+        self.tag_url = None
+        tag_url, tag_revision = self.tag_detector.newest_tag_revision()
+        logging.info("Found: %s: %s", tag_url, tag_revision)
+        if tag_url is not None:
+            revision = (tag_revision,
+                        self.rules_working_copy.last_changed_revision())
+            logging.info("New revision is %s", revision)
+            if revision not in self.get_revision_numbers():
+                logging.info("Revision %s has not been packaged yet",
+                             revision)
+                self.tag_url = tag_url
+                self.tag_revision = tag_revision
+                tag_date, tag_change_count = self.tag_pkg_parameters(tag_url)
+                pkg_revision = (self.pkg_revision_template
+                                % dict(pkg_revision=tag_change_count))
+                return self.revision_packager_cls(self, tag=tag_url,
+                                                  pkg_revision=pkg_revision,
+                                                  pkg_date=tag_date,
+                                                  *revision)
+            else:
+                logging.info("Revision %s has already been packaged.",
+                             revision)
+
+        return super(PackageTrack, self).packager_for_new_revision()
+
+    def export_sources(self, to_dir):
+        if self.tag_url is not None:
+            logging.info("Exporting sources for tarball from %r to %r",
+                         self.tag_url, to_dir)
+            self.working_copy.export_tag(self.tag_url, to_dir,
+                                         revision=self.tag_revision)
+        else:
+            super(PackageTrack, self).export_sources(to_dir)
+
+    def tag_pkg_parameters(self, tag_url):
+        match = re.search(r"/enterprise[^.]*\.[^.]*\."
+                          r"(?P<date>[0-9]{8})\.(?P<baserev>[0-9]+)/",
+                          tag_url)
+        if match:
+            date = match.group("date")
+            baserev = int(match.group("baserev"))
+            xml_log = subversion.log_xml(tag_url, baserev)
+            revisions = subversion.extract_tag_revisions(xml_log)
+            tag_change_count = len(revisions)
+            return (date, tag_change_count)
+        else:
+            raise RuntimeError("Cannot determine tag parameters from %r"
+                               % tag_url)