import sys
import os
import re
+import getopt
-DEBUG = 0
+# Commandline options
+opt_dryrun = False
-def parseVer_1234(match):
+def parseVer_1234(match, filepath):
progname = match.group(1)
progversion = (int(match.group(2)) << 64) |\
(int(match.group(3)) << 48) |\
(int(match.group(5)) << 16)
return (progname, progversion)
-def parseVer_123(match):
+def parseVer_123(match, filepath):
progname = match.group(1)
- patchlevel = match.group(5)
+ try:
+ patchlevel = match.group(5)
+ except (IndexError), e:
+ patchlevel = None
if patchlevel:
patchlevel = ord(patchlevel[0])
else:
patchlevel
return (progname, progversion)
-def parseVer_12(match):
+def parseVer_12(match, filepath):
progname = match.group(1)
- patchlevel = match.group(4)
+ try:
+ patchlevel = match.group(4)
+ except (IndexError), e:
+ patchlevel = None
if patchlevel:
patchlevel = ord(patchlevel[0])
else:
patchlevel
return (progname, progversion)
-def parseVer_r(match):
+def parseVer_r(match, filepath):
progname = match.group(1)
progversion = (int(match.group(2)) << 64)
return (progname, progversion)
-def parseVer_ymd(match):
+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",
)
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 = (
- 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.*"),
-)
+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
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:
- if DEBUG:
- print "Extension did not match on", filename
+ 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)
+ (self.progname, self.version) = parseVersion(
+ match, directory + "/" + filename + self.fileext)
break
else:
- if DEBUG:
- print "Version regex did not match on", filename
+ 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 DEBUG:
+ if not opt_dryrun:
os.unlink(path)
def __eq__(self, y):
def usage():
print "OpenWRT download directory cleanup utility"
- print "Usage: " + sys.argv[0] + " path/to/dl"
+ 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):
- if len(argv) != 2:
+ 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 = argv[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 black in blacklist:
- if black.match(filename):
- if DEBUG:
+ for (name, regex) in blacklist:
+ if regex.match(filename):
+ if opt_dryrun:
print filename, "is blacklisted"
break
else:
for version in versions:
if version != lastVersion:
version.deleteFile()
- if DEBUG:
+ if opt_dryrun:
print "Keeping", lastVersion.filename
return 0