+def check_hashes ():
+ # Make sure we recognise the format of the Files: field
+ format = changes.get("format", "0.0").split(".",1)
+ if len(format) == 2:
+ format = int(format[0]), int(format[1])
+ else:
+ format = int(float(format[0])), 0
+
+ check_hash(".changes", files, "md5sum", apt_pkg.md5sum)
+ check_hash(".dsc", dsc_files, "md5sum", apt_pkg.md5sum)
+
+ if format >= (1,8):
+ hashes = [("sha1", apt_pkg.sha1sum),
+ ("sha256", apt_pkg.sha256sum)]
+ else:
+ hashes = []
+
+ for x in changes:
+ if x.startswith("checksum-"):
+ h = x.split("-",1)[1]
+ if h not in dict(hashes):
+ reject("Unsupported checksum field in .changes" % (h))
+
+ for x in dsc:
+ if x.startswith("checksum-"):
+ h = x.split("-",1)[1]
+ if h not in dict(hashes):
+ reject("Unsupported checksum field in .dsc" % (h))
+
+ for h,f in hashes: