--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/recipes/kde_enterprise_4/kde_l10n.py	Fri Nov 14 19:46:56 2008 +0000
@@ -0,0 +1,185 @@
+# Copyright (C) 2007, 2008 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.
+
+import os
+import logging
+import shutil
+import time
+
+import treepkg.packager
+import treepkg.util
+import treepkg.subversion as subversion
+
+
+class SubversionSubset(object):
+
+    """Manage a subversion working copy that contains a subset of a repository
+
+    The SVN repository for the enterprise 4 l10n sources contains all
+    languages.  Only a small subset of those languages are actually
+    maintained, though.  This class provides a way to manage a working
+    copy that contains only the part that actually need to be packaged.
+    """
+
+    def __init__(self, baseurl, localdir, subdirectories):
+        self.baseurl = baseurl
+        self.localdir = localdir
+        self.subdirectories = subdirectories
+
+    def update_or_checkout(self, revision=None):
+        for desc in self.subdirectories:
+            if len(desc) == 2:
+                subdir, recurse = desc
+            else:
+                subdir = desc[0]
+                recurse = True
+            self.update_or_checkout_subdir(subdir, revision, recurse=recurse)
+
+    def update_or_checkout_subdir(self, subdir, revision, recurse):
+        localdir = os.path.join(self.localdir, subdir)
+        svn_url = self.baseurl + subdir
+        if os.path.exists(localdir):
+            logging.info("Updating the working copy in %r", localdir)
+            subversion.update(localdir, revision=revision, recurse=recurse)
+        else:
+            logging.info("The working copy in %r doesn't exist yet."
+                         "  Checking out from %r", localdir, svn_url)
+            subversion.checkout(svn_url, localdir, revision=revision,
+                                recurse=recurse)
+
+    def export(self, destdir):
+        for desc in self.subdirectories:
+            subdir = desc[0]
+            subversion.export(os.path.join(self.localdir, subdir),
+                              os.path.join(destdir, subdir))
+
+    def last_changed_revision(self):
+        return max([subversion.last_changed_revision(os.path.join(self.localdir,
+                                                                  desc[0]))
+                    for desc in self.subdirectories])
+
+
+
+class SourcePackager(treepkg.packager.SourcePackager):
+
+    """Creates the debian source package for the l10n files
+
+    This is a bit more complicated than for other packages.  The
+    orig.tar.gz file of the debian source package contains one .tar.bz2
+    file for every language.  Those .tar.bz files are the kde-18n-<lang>
+    files released by the KDE project.  For now, we only have the German
+    localization in the enterprise source package, so the orig.tar.gz
+    file will have the following contents:
+
+      kde-l10n-<version>/
+      kde-l10n-<version>/kde-l10n-de-<version>.tar.bz2
+
+    <version> is the same everywhere.
+    """
+
+    pkg_basename = "kde-l10n"
+
+    createtarball_script = """\
+#! /bin/bash
+set -e
+
+apt-get --assume-yes --force-yes install %(builddeps)s
+
+# copy the source tree to a directory that's under pbuilder control so
+# that it gets removed along with the build environment.  Otherwise we
+# end up with a directory containing files that cannot be removed by
+# treepkg
+workdir=/tmp/work
+cp -a %(basedir)s $workdir
+cd $workdir
+
+# only handle the de subdirectory
+echo de > subdirs
+
+# create the CMakeFiles
+./scripts/autogen.sh
+mv de kde-l10n-de-%(version)s
+ tar cjf %(tarball)s kde-l10n-de-%(version)s
+"""
+
+
+    def __init__(self, *args, **kw):
+        super(SourcePackager, self).__init__(*args, **kw)
+        self.enterprise_version = (time.strftime("%Y%m%d", time.localtime())
+                                   + "." + str(self.revision))
+
+    def determine_package_version(self, directory):
+        enterprise_version = self.enterprise_version
+        return self.track.version_template % locals()
+
+    def create_l10n_de_tarball(self, pkgbaseversion, pkgbasedir):
+        logging.info("Creating kde-l10n-de tarball")
+        de_tarball = os.path.join(self.work_dir,
+                                  "kde-l10n-de-" + pkgbaseversion + ".tar.bz2")
+        # imake is needed for the revpath script
+        script = (self.createtarball_script
+                  % dict(builddeps="imake",  tarball=de_tarball,
+                         basedir=pkgbasedir, version=pkgbaseversion))
+        script_name = os.path.join(self.work_dir, "createtarball")
+        treepkg.util.writefile(script_name, script, 0755)
+        treepkg.util.ensure_directory(self.src_dir)
+        treepkg.util.ensure_directory(self.log_dir)
+        self.track.builder.run_script([script_name],
+                                      logfile=os.path.join(self.log_dir,
+                                                           "tarball_log.txt"),
+                                      bindmounts=[self.work_dir])
+        return de_tarball
+
+    def do_package(self):
+        pkgbaseversion, pkgbasedir = self.export_sources()
+        de_tarball = self.create_l10n_de_tarball(pkgbaseversion, pkgbasedir)
+        shutil.rmtree(pkgbasedir)
+
+        os.mkdir(pkgbasedir)
+        pkgbasename = self.pkg_basename + "_" + pkgbaseversion
+        origtargz = os.path.join(self.work_dir,
+                                 pkgbasename + ".orig.tar.gz")
+        os.rename(de_tarball,
+                  os.path.join(pkgbasedir, os.path.basename(de_tarball)))
+        self.create_tarball(origtargz, self.work_dir,
+                            os.path.basename(pkgbasedir))
+
+        changemsg = ("Update to SVN enterprise4 branch rev. %d"
+                     % (self.revision,))
+        self.copy_debian_directory(pkgbasedir, pkgbaseversion, changemsg)
+
+        self.create_source_package(pkgbasedir, origtargz)
+        self.move_source_package(pkgbasename)
+
+
+class RevisionPackager(treepkg.packager.RevisionPackager):
+
+    source_packager_cls = SourcePackager
+
+
+class PackageTrack(treepkg.packager.PackageTrack):
+
+    extra_config_desc = ["version_template"]
+
+    revision_packager_cls = RevisionPackager
+
+    def __init__(self, *args, **kw):
+        self.version_template = kw.pop("version_template")
+        super(PackageTrack, self).__init__(*args, **kw)
+        self.working_copy = SubversionSubset(self.svn_url, self.checkout_dir,
+                                             subdirectories= [("", False),
+                                                              ("de",),
+                                                              ("scripts",)])
+
+    def last_changed_revision(self):
+        return self.working_copy.last_changed_revision()
+
+    def update_checkout(self, revision=None):
+        self.working_copy.update_or_checkout(revision=revision)
+
+    def export_sources(self, to_dir):
+        self.working_copy.export(to_dir)