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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
commit5c105d9f3fd086aff195d3849dcf847d6b0bd927 (patch)
tree1229a11f725bfa58aa7c57a76898553bb5f6654a /scripts/dl_cleanup.py
downloadopenwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.tar.gz
openwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.zip
branch Attitude Adjustment
git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'scripts/dl_cleanup.py')
-rwxr-xr-xscripts/dl_cleanup.py227
1 files changed, 227 insertions, 0 deletions
diff --git a/scripts/dl_cleanup.py b/scripts/dl_cleanup.py
new file mode 100755
index 000000000..81c69f7aa
--- /dev/null
+++ b/scripts/dl_cleanup.py
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+#!/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
+import getopt
+
+# Commandline options
+opt_dryrun = False
+
+
+def parseVer_1234(match, filepath):
+ 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, filepath):
+ progname = match.group(1)
+ try:
+ patchlevel = match.group(5)
+ except (IndexError), e:
+ patchlevel = None
+ 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, filepath):
+ progname = match.group(1)
+ try:
+ patchlevel = match.group(4)
+ except (IndexError), e:
+ patchlevel = None
+ 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, filepath):
+ progname = match.group(1)
+ progversion = (int(match.group(2)) << 64)
+ return (progname, progversion)
+
+def parseVer_ymd(match, filepath):
+ progname = match.group(1)
+ progversion = (int(match.group(2)) << 64) |\
+ (int(match.group(3)) << 48) |\
+ (int(match.group(4)) << 32)
+ return (progname, progversion)
+
+def parseVer_GIT(match, filepath):
+ progname = match.group(1)
+ st = os.stat(filepath)
+ progversion = int(st.st_mtime) << 64
+ return (progname, progversion)
+
+extensions = (
+ ".tar.gz",
+ ".tar.bz2",
+ ".orig.tar.gz",
+ ".orig.tar.bz2",
+ ".zip",
+ ".tgz",
+ ".tbz",
+)
+
+versionRegex = (
+ (re.compile(r"(.+)[-_]([0-9a-fA-F]{40,40})"), parseVer_GIT), # xxx-GIT_SHASUM
+ (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+)_(\d+)"), parseVer_123), # xxx-1_2_3
+ (re.compile(r"(.+)[-_](\d+)\.(\d+)(\w?)"), parseVer_12), # xxx-1.2a
+ (re.compile(r"(.+)[-_]r?(\d+)"), parseVer_r), # xxx-r1111
+)
+
+blacklist = [
+ ("linux", re.compile(r"linux-.*")),
+ ("gcc", re.compile(r"gcc-.*")),
+ ("wl_apsta", re.compile(r"wl_apsta.*")),
+ (".fw", re.compile(r".*\.fw")),
+ (".arm", re.compile(r".*\.arm")),
+ (".bin", re.compile(r".*\.bin")),
+ ("rt-firmware", re.compile(r"RT[\d\w]+_Firmware.*")),
+]
+
+class EntryParseError(Exception): pass
+
+class Entry:
+ def __init__(self, directory, filename):
+ self.directory = directory
+ self.filename = filename
+ self.progname = ""
+ self.fileext = ""
+
+ for ext in extensions:
+ if filename.endswith(ext):
+ filename = filename[0:0-len(ext)]
+ self.fileext = ext
+ break
+ else:
+ print self.filename, "has an unknown file-extension"
+ raise EntryParseError("ext")
+ for (regex, parseVersion) in versionRegex:
+ match = regex.match(filename)
+ if match:
+ (self.progname, self.version) = parseVersion(
+ match, directory + "/" + filename + self.fileext)
+ break
+ else:
+ print self.filename, "has an unknown version pattern"
+ raise EntryParseError("ver")
+
+ def deleteFile(self):
+ path = (self.directory + "/" + self.filename).replace("//", "/")
+ print "Deleting", path
+ if not opt_dryrun:
+ 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] + " [OPTIONS] <path/to/dl>"
+ print ""
+ print " -d|--dry-run Do a dry-run. Don't delete any files"
+ print " -B|--show-blacklist Show the blacklist and exit"
+ print " -w|--whitelist ITEM Remove ITEM from blacklist"
+
+def main(argv):
+ global opt_dryrun
+
+ try:
+ (opts, args) = getopt.getopt(argv[1:],
+ "hdBw:",
+ [ "help", "dry-run", "show-blacklist", "whitelist=", ])
+ if len(args) != 1:
+ usage()
+ return 1
+ except getopt.GetoptError:
+ usage()
+ return 1
+ directory = args[0]
+ for (o, v) in opts:
+ if o in ("-h", "--help"):
+ usage()
+ return 0
+ if o in ("-d", "--dry-run"):
+ opt_dryrun = True
+ if o in ("-w", "--whitelist"):
+ for i in range(0, len(blacklist)):
+ (name, regex) = blacklist[i]
+ if name == v:
+ del blacklist[i]
+ break
+ else:
+ print "Whitelist error: Item", v,\
+ "is not in blacklist"
+ return 1
+ if o in ("-B", "--show-blacklist"):
+ for (name, regex) in blacklist:
+ print name
+ return 0
+
+ # Create a directory listing and parse the file names.
+ entries = []
+ for filename in os.listdir(directory):
+ if filename == "." or filename == "..":
+ continue
+ for (name, regex) in blacklist:
+ if regex.match(filename):
+ if opt_dryrun:
+ 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 opt_dryrun:
+ print "Keeping", lastVersion.filename
+
+ return 0
+
+if __name__ == "__main__":
+ sys.exit(main(sys.argv))