From 98501a1fbe3f6e39b4ebc5c0b4d07309e7b2df5c Mon Sep 17 00:00:00 2001
From: mb <mb@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Sun, 3 Jan 2010 13:26:30 +0000
Subject: dl_cleanup: Utility to delete all but the very last version of the
tarballs in the download directory. The tool does currently have a few false
positives (probably below 1%), but this is harmless, because buildroot will
just redownload them.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19018 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
scripts/dl_cleanup.py | 176 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 176 insertions(+)
create mode 100755 scripts/dl_cleanup.py
(limited to 'scripts')
diff --git a/scripts/dl_cleanup.py b/scripts/dl_cleanup.py
new file mode 100755
index 000000000..e83c82ac2
--- /dev/null
+++ b/scripts/dl_cleanup.py
@@ -0,0 +1,176 @@
+#!/usr/bin/env python
+"""
+# OpenWRT download directory cleanup utility.
+# Delete all but the very last version of the program tarballs.
+#
+# Copyright (c) 2010 Michael Buesch <mb@bu3sch.de>
+"""
+
+import sys
+import os
+import re
+
+DEBUG = 0
+
+
+def parseVer_1234(match):
+ progname = match.group(1)
+ progversion = (int(match.group(2)) << 64) |\
+ (int(match.group(3)) << 48) |\
+ (int(match.group(4)) << 32) |\
+ (int(match.group(5)) << 16)
+ return (progname, progversion)
+
+def parseVer_123(match):
+ progname = match.group(1)
+ patchlevel = match.group(5)
+ if patchlevel:
+ patchlevel = ord(patchlevel[0])
+ else:
+ patchlevel = 0
+ progversion = (int(match.group(2)) << 64) |\
+ (int(match.group(3)) << 48) |\
+ (int(match.group(4)) << 32) |\
+ patchlevel
+ return (progname, progversion)
+
+def parseVer_12(match):
+ progname = match.group(1)
+ patchlevel = match.group(4)
+ if patchlevel:
+ patchlevel = ord(patchlevel[0])
+ else:
+ patchlevel = 0
+ progversion = (int(match.group(2)) << 64) |\
+ (int(match.group(3)) << 48) |\
+ patchlevel
+ return (progname, progversion)
+
+def parseVer_r(match):
+ progname = match.group(1)
+ progversion = (int(match.group(2)) << 64)
+ return (progname, progversion)
+
+def parseVer_ymd(match):
+ progname = match.group(1)
+ progversion = (int(match.group(2)) << 64) |\
+ (int(match.group(3)) << 48) |\
+ (int(match.group(4)) << 32)
+ return (progname, progversion)
+
+extensions = (
+ ".tar.gz",
+ ".tar.bz2",
+ ".orig.tar.gz",
+ ".orig.tar.bz2",
+ ".zip",
+ ".tgz",
+ ".tbz",
+)
+
+versionRegex = (
+ (re.compile(r"(.+)[-_](\d+)\.(\d+)\.(\d+)\.(\d+)"), parseVer_1234), # xxx-1.2.3.4
+ (re.compile(r"(.+)[-_](\d\d\d\d)-?(\d\d)-?(\d\d)"), parseVer_ymd), # xxx-YYYY-MM-DD
+ (re.compile(r"(.+)[-_](\d+)\.(\d+)\.(\d+)(\w?)"), parseVer_123), # xxx-1.2.3a
+ (re.compile(r"(.+)[-_](\d+)\.(\d+)(\w?)"), parseVer_12), # xxx-1.2a
+ (re.compile(r"(.+)[-_]r?(\d+)"), parseVer_r), # xxx-r1111
+)
+
+blacklist = (
+ re.compile(r"wl_apsta.*"),
+ re.compile(r"boost.*"),
+ re.compile(r".*\.fw"),
+ re.compile(r".*\.arm"),
+ re.compile(r".*\.bin"),
+ re.compile(r"RT\d+_Firmware.*"),
+)
+
+class EntryParseError(Exception): pass
+
+class Entry:
+ def __init__(self, directory, filename):
+ self.directory = directory
+ self.filename = filename
+ self.progname = ""
+
+ for ext in extensions:
+ if filename.endswith(ext):
+ filename = filename[0:0-len(ext)]
+ break
+ else:
+ if DEBUG:
+ print "Extension did not match on", filename
+ raise EntryParseError("ext")
+ for (regex, parseVersion) in versionRegex:
+ match = regex.match(filename)
+ if match:
+ (self.progname, self.version) = parseVersion(match)
+ break
+ else:
+ if DEBUG:
+ print "Version regex did not match on", filename
+ raise EntryParseError("ver")
+
+ def deleteFile(self):
+ path = (self.directory + "/" + self.filename).replace("//", "/")
+ print "Deleting", path
+ if not DEBUG:
+ os.unlink(path)
+
+ def __eq__(self, y):
+ return self.filename == y.filename
+
+ def __ge__(self, y):
+ return self.version >= y.version
+
+def usage():
+ print "OpenWRT download directory cleanup utility"
+ print "Usage: " + sys.argv[0] + " path/to/dl"
+
+def main(argv):
+ if len(argv) != 2:
+ usage()
+ return 1
+ directory = argv[1]
+
+ # Create a directory listing and parse the file names.
+ entries = []
+ for filename in os.listdir(directory):
+ if filename == "." or filename == "..":
+ continue
+ for black in blacklist:
+ if black.match(filename):
+ if DEBUG:
+ print filename, "is blacklisted"
+ break
+ else:
+ try:
+ entries.append(Entry(directory, filename))
+ except (EntryParseError), e: pass
+
+ # Create a map of programs
+ progmap = {}
+ for entry in entries:
+ if entry.progname in progmap.keys():
+ progmap[entry.progname].append(entry)
+ else:
+ progmap[entry.progname] = [entry,]
+
+ # Traverse the program map and delete everything but the last version
+ for prog in progmap:
+ lastVersion = None
+ versions = progmap[prog]
+ for version in versions:
+ if lastVersion is None or version >= lastVersion:
+ lastVersion = version
+ if lastVersion:
+ for version in versions:
+ if version != lastVersion:
+ version.deleteFile()
+ if DEBUG:
+ print "Keeping", lastVersion.filename
+
+ return 0
+
+if __name__ == "__main__":
+ sys.exit(main(sys.argv))
--
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