3 # OpenWRT download directory cleanup utility.
4 # Delete all but the very last version of the program tarballs.
6 # Copyright (c) 2010 Michael Buesch <mb@bu3sch.de>
20 def parseVer_1234(match):
21 progname = match.group(1)
22 progversion = (int(match.group(2)) << 64) |\
23 (int(match.group(3)) << 48) |\
24 (int(match.group(4)) << 32) |\
25 (int(match.group(5)) << 16)
26 return (progname, progversion)
28 def parseVer_123(match):
29 progname = match.group(1)
30 patchlevel = match.group(5)
32 patchlevel = ord(patchlevel[0])
35 progversion = (int(match.group(2)) << 64) |\
36 (int(match.group(3)) << 48) |\
37 (int(match.group(4)) << 32) |\
39 return (progname, progversion)
41 def parseVer_12(match):
42 progname = match.group(1)
43 patchlevel = match.group(4)
45 patchlevel = ord(patchlevel[0])
48 progversion = (int(match.group(2)) << 64) |\
49 (int(match.group(3)) << 48) |\
51 return (progname, progversion)
53 def parseVer_r(match):
54 progname = match.group(1)
55 progversion = (int(match.group(2)) << 64)
56 return (progname, progversion)
58 def parseVer_ymd(match):
59 progname = match.group(1)
60 progversion = (int(match.group(2)) << 64) |\
61 (int(match.group(3)) << 48) |\
62 (int(match.group(4)) << 32)
63 return (progname, progversion)
76 (re.compile(r"(.+)[-_](\d+)\.(\d+)\.(\d+)\.(\d+)"), parseVer_1234), # xxx-1.2.3.4
77 (re.compile(r"(.+)[-_](\d\d\d\d)-?(\d\d)-?(\d\d)"), parseVer_ymd), # xxx-YYYY-MM-DD
78 (re.compile(r"(.+)[-_](\d+)\.(\d+)\.(\d+)(\w?)"), parseVer_123), # xxx-1.2.3a
79 (re.compile(r"(.+)[-_](\d+)\.(\d+)(\w?)"), parseVer_12), # xxx-1.2a
80 (re.compile(r"(.+)[-_]r?(\d+)"), parseVer_r), # xxx-r1111
84 re.compile(r"wl_apsta.*"),
85 re.compile(r"boost.*"),
86 re.compile(r".*\.fw"),
87 re.compile(r".*\.arm"),
88 re.compile(r".*\.bin"),
89 re.compile(r"RT\d+_Firmware.*"),
92 class EntryParseError(Exception): pass
95 def __init__(self, directory, filename):
96 self.directory = directory
97 self.filename = filename
100 for ext in extensions:
101 if filename.endswith(ext):
102 filename = filename[0:0-len(ext)]
106 print "Extension did not match on", filename
107 raise EntryParseError("ext")
108 for (regex, parseVersion) in versionRegex:
109 match = regex.match(filename)
111 (self.progname, self.version) = parseVersion(match)
115 print "Version regex did not match on", filename
116 raise EntryParseError("ver")
118 def deleteFile(self):
119 path = (self.directory + "/" + self.filename).replace("//", "/")
120 print "Deleting", path
125 return self.filename == y.filename
128 return self.version >= y.version
131 print "OpenWRT download directory cleanup utility"
132 print "Usage: " + sys.argv[0] + " [OPTIONS] <path/to/dl>"
134 print " -d|--dry-run Do a dry-run. Don't delete any files"
140 (opts, args) = getopt.getopt(argv[1:],
142 [ "help", "dry-run", ])
144 raise getopt.GetoptError()
145 except getopt.GetoptError:
150 if o in ("-h", "--help"):
153 if o in ("-d", "--dry-run"):
156 # Create a directory listing and parse the file names.
158 for filename in os.listdir(directory):
159 if filename == "." or filename == "..":
161 for black in blacklist:
162 if black.match(filename):
164 print filename, "is blacklisted"
168 entries.append(Entry(directory, filename))
169 except (EntryParseError), e: pass
171 # Create a map of programs
173 for entry in entries:
174 if entry.progname in progmap.keys():
175 progmap[entry.progname].append(entry)
177 progmap[entry.progname] = [entry,]
179 # Traverse the program map and delete everything but the last version
182 versions = progmap[prog]
183 for version in versions:
184 if lastVersion is None or version >= lastVersion:
185 lastVersion = version
187 for version in versions:
188 if version != lastVersion:
191 print "Keeping", lastVersion.filename
195 if __name__ == "__main__":
196 sys.exit(main(sys.argv))