X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Futils.py;h=b5e090da3eb24324f89307fedff7920928115d4c;hb=904ac9b520fb3a9449a42f7f26e71c372789227d;hp=1756f58fa2d27132a3675a95716ab4404cf9a898;hpb=f0bfd37e7286156598d79b53501ebe2000bb7924;p=dak.git

diff --git a/daklib/utils.py b/daklib/utils.py
index 1756f58f..b5e090da 100755
--- a/daklib/utils.py
+++ b/daklib/utils.py
@@ -1571,3 +1571,41 @@ def parse_wnpp_bug_file(file = "/srv/ftp-master.debian.org/scripts/masterfiles/w
                 bugs.append(bug_no)
         wnpp[source] = bugs
     return wnpp
+
+################################################################################
+
+def get_packages_from_ftp(root, suite, component, architecture):
+    """
+    Returns an object containing apt_pkg-parseable data collected by
+    aggregating Packages.gz files gathered for each architecture.
+
+    @type root: string
+    @param root: path to ftp archive root directory
+
+    @type suite: string
+    @param suite: suite to extract files from
+
+    @type component: string
+    @param component: component to extract files from
+
+    @type architecture: string
+    @param architecture: architecture to extract files from
+
+    @rtype: TagFile
+    @return: apt_pkg class containing package data
+
+    """
+    filename = "%s/dists/%s/%s/binary-%s/Packages.gz" % (root, suite, component, architecture)
+    (fd, temp_file) = temp_filename()
+    (result, output) = commands.getstatusoutput("gunzip -c %s > %s" % (filename, temp_file))
+    if (result != 0):
+        fubar("Gunzip invocation failed!\n%s\n" % (output), result)
+    filename = "%s/dists/%s/%s/debian-installer/binary-%s/Packages.gz" % (root, suite, component, architecture)
+    if os.path.exists(filename):
+        (result, output) = commands.getstatusoutput("gunzip -c %s >> %s" % (filename, temp_file))
+        if (result != 0):
+            fubar("Gunzip invocation failed!\n%s\n" % (output), result)
+    packages = open_file(temp_file)
+    Packages = apt_pkg.ParseTagFile(packages)
+    os.unlink(temp_file)
+    return Packages