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>
16 def parseVer_1234(match):
17 progname = match.group(1)
18 progversion = (int(match.group(2)) << 64) |\
19 (int(match.group(3)) << 48) |\
20 (int(match.group(4)) << 32) |\
21 (int(match.group(5)) << 16)
22 return (progname, progversion)
24 def parseVer_123(match):
25 progname = match.group(1)
26 patchlevel = match.group(5)
28 patchlevel = ord(patchlevel[0])
31 progversion = (int(match.group(2)) << 64) |\
32 (int(match.group(3)) << 48) |\
33 (int(match.group(4)) << 32) |\
35 return (progname, progversion)
37 def parseVer_12(match):
38 progname = match.group(1)
39 patchlevel = match.group(4)
41 patchlevel = ord(patchlevel[0])
44 progversion = (int(match.group(2)) << 64) |\
45 (int(match.group(3)) << 48) |\
47 return (progname, progversion)
49 def parseVer_r(match):
50 progname = match.group(1)
51 progversion = (int(match.group(2)) << 64)
52 return (progname, progversion)
54 def parseVer_ymd(match):
55 progname = match.group(1)
56 progversion = (int(match.group(2)) << 64) |\
57 (int(match.group(3)) << 48) |\
58 (int(match.group(4)) << 32)
59 return (progname, progversion)
72 (re.compile(r"(.+)[-_](\d+)\.(\d+)\.(\d+)\.(\d+)"), parseVer_1234), # xxx-1.2.3.4
73 (re.compile(r"(.+)[-_](\d\d\d\d)-?(\d\d)-?(\d\d)"), parseVer_ymd), # xxx-YYYY-MM-DD
74 (re.compile(r"(.+)[-_](\d+)\.(\d+)\.(\d+)(\w?)"), parseVer_123), # xxx-1.2.3a
75 (re.compile(r"(.+)[-_](\d+)\.(\d+)(\w?)"), parseVer_12), # xxx-1.2a
76 (re.compile(r"(.+)[-_]r?(\d+)"), parseVer_r), # xxx-r1111
80 re.compile(r"wl_apsta.*"),
81 re.compile(r"boost.*"),
82 re.compile(r".*\.fw"),
83 re.compile(r".*\.arm"),
84 re.compile(r".*\.bin"),
85 re.compile(r"RT\d+_Firmware.*"),
88 class EntryParseError(Exception): pass
91 def __init__(self, directory, filename):
92 self.directory = directory
93 self.filename = filename
96 for ext in extensions:
97 if filename.endswith(ext):
98 filename = filename[0:0-len(ext)]
102 print "Extension did not match on", filename
103 raise EntryParseError("ext")
104 for (regex, parseVersion) in versionRegex:
105 match = regex.match(filename)
107 (self.progname, self.version) = parseVersion(match)
111 print "Version regex did not match on", filename
112 raise EntryParseError("ver")
114 def deleteFile(self):
115 path = (self.directory + "/" + self.filename).replace("//", "/")
116 print "Deleting", path
121 return self.filename == y.filename
124 return self.version >= y.version
127 print "OpenWRT download directory cleanup utility"
128 print "Usage: " + sys.argv[0] + " path/to/dl"
136 # Create a directory listing and parse the file names.
138 for filename in os.listdir(directory):
139 if filename == "." or filename == "..":
141 for black in blacklist:
142 if black.match(filename):
144 print filename, "is blacklisted"
148 entries.append(Entry(directory, filename))
149 except (EntryParseError), e: pass
151 # Create a map of programs
153 for entry in entries:
154 if entry.progname in progmap.keys():
155 progmap[entry.progname].append(entry)
157 progmap[entry.progname] = [entry,]
159 # Traverse the program map and delete everything but the last version
162 versions = progmap[prog]
163 for version in versions:
164 if lastVersion is None or version >= lastVersion:
165 lastVersion = version
167 for version in versions:
168 if version != lastVersion:
171 print "Keeping", lastVersion.filename
175 if __name__ == "__main__":
176 sys.exit(main(sys.argv))