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 ("linux", re.compile(r"linux-.*")),
85 ("gcc", re.compile(r"gcc-.*")),
86 ("boost", re.compile(r"boost.*")),
87 ("wl_apsta", re.compile(r"wl_apsta.*")),
88 (".fw", re.compile(r".*\.fw")),
89 (".arm", re.compile(r".*\.arm")),
90 (".bin", re.compile(r".*\.bin")),
91 ("rt-firmware", re.compile(r"RT\d+_Firmware.*")),
94 class EntryParseError(Exception): pass
97 def __init__(self, directory, filename):
98 self.directory = directory
99 self.filename = filename
102 for ext in extensions:
103 if filename.endswith(ext):
104 filename = filename[0:0-len(ext)]
108 print "Extension did not match on", filename
109 raise EntryParseError("ext")
110 for (regex, parseVersion) in versionRegex:
111 match = regex.match(filename)
113 (self.progname, self.version) = parseVersion(match)
117 print "Version regex did not match on", filename
118 raise EntryParseError("ver")
120 def deleteFile(self):
121 path = (self.directory + "/" + self.filename).replace("//", "/")
122 print "Deleting", path
127 return self.filename == y.filename
130 return self.version >= y.version
133 print "OpenWRT download directory cleanup utility"
134 print "Usage: " + sys.argv[0] + " [OPTIONS] <path/to/dl>"
136 print " -d|--dry-run Do a dry-run. Don't delete any files"
137 print " -B|--show-blacklist Show the blacklist and exit"
138 print " -w|--whitelist ITEM Remove ITEM from blacklist"
144 (opts, args) = getopt.getopt(argv[1:],
146 [ "help", "dry-run", "show-blacklist", "whitelist=", ])
148 raise getopt.GetoptError()
149 except getopt.GetoptError:
154 if o in ("-h", "--help"):
157 if o in ("-d", "--dry-run"):
159 if o in ("-w", "--whitelist"):
160 for i in range(0, len(blacklist)):
161 (name, regex) = blacklist[i]
166 print "Whitelist error: Item", v,\
167 "is not in blacklist"
169 if o in ("-B", "--show-blacklist"):
170 for (name, regex) in blacklist:
174 # Create a directory listing and parse the file names.
176 for filename in os.listdir(directory):
177 if filename == "." or filename == "..":
179 for (name, regex) in blacklist:
180 if regex.match(filename):
182 print filename, "is blacklisted"
186 entries.append(Entry(directory, filename))
187 except (EntryParseError), e: pass
189 # Create a map of programs
191 for entry in entries:
192 if entry.progname in progmap.keys():
193 progmap[entry.progname].append(entry)
195 progmap[entry.progname] = [entry,]
197 # Traverse the program map and delete everything but the last version
200 versions = progmap[prog]
201 for version in versions:
202 if lastVersion is None or version >= lastVersion:
203 lastVersion = version
205 for version in versions:
206 if version != lastVersion:
209 print "Keeping", lastVersion.filename
213 if __name__ == "__main__":
214 sys.exit(main(sys.argv))