+ @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
+
+################################################################################
+
+def deb_extract_control(fh):
+ """extract DEBIAN/control from a binary package"""
+ return apt_inst.DebFile(fh).control.extractdata("control")
+
+################################################################################
+
+def mail_addresses_for_upload(maintainer, changed_by, fingerprint):
+ """Mail addresses to contact for an upload
+
+ Args:
+ maintainer (str): Maintainer field of the changes file
+ changed_by (str): Changed-By field of the changes file
+ fingerprint (str): Fingerprint of the PGP key used to sign the upload
+
+ Returns:
+ List of RFC 2047-encoded mail addresses to contact regarding this upload
+ """
+ addresses = [maintainer]
+ if changed_by != maintainer:
+ addresses.append(changed_by)