-import errno, os, pg, re, sys, md5
-import apt_pkg, apt_inst
-from daklib import database
-from daklib import utils
-
-################################################################################
-
-re_package = re.compile(r"^(.+?)_.*")
-re_doc_directory = re.compile(r".*/doc/([^/]*).*")
-
-re_contrib = re.compile('^contrib/')
-re_nonfree = re.compile('^non\-free/')
-
-re_arch = re.compile("Architecture: .*")
-re_builddep = re.compile("Build-Depends: .*")
-re_builddepind = re.compile("Build-Depends-Indep: .*")
-
-re_localhost = re.compile("localhost\.localdomain")
-re_version = re.compile('^(.*)\((.*)\)')
+# suppress some deprecation warnings in squeeze related to md5 module
+import warnings
+warnings.filterwarnings('ignore', \
+ "the md5 module is deprecated; use hashlib instead", \
+ DeprecationWarning)
+
+import errno
+import os
+import re
+import sys
+import md5
+import apt_pkg
+import apt_inst
+import shutil
+import commands
+import threading