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>
18 def parseVer_1234(match):
19 progname = match.group(1)
20 progversion = (int(match.group(2)) << 64) |\
21 (int(match.group(3)) << 48) |\
22 (int(match.group(4)) << 32) |\
23 (int(match.group(5)) << 16)
24 return (progname, progversion)
26 def parseVer_123(match):
27 progname = match.group(1)
29 patchlevel = match.group(5)
30 except (IndexError), e:
33 patchlevel = ord(patchlevel[0])
36 progversion = (int(match.group(2)) << 64) |\
37 (int(match.group(3)) << 48) |\
38 (int(match.group(4)) << 32) |\
40 return (progname, progversion)
42 def parseVer_12(match):
43 progname = match.group(1)
45 patchlevel = match.group(4)
46 except (IndexError), e:
49 patchlevel = ord(patchlevel[0])
52 progversion = (int(match.group(2)) << 64) |\
53 (int(match.group(3)) << 48) |\
55 return (progname, progversion)
57 def parseVer_r(match):
58 progname = match.group(1)
59 progversion = (int(match.group(2)) << 64)
60 return (progname, progversion)
62 def parseVer_ymd(match):
63 progname = match.group(1)
64 progversion = (int(match.group(2)) << 64) |\
65 (int(match.group(3)) << 48) |\
66 (int(match.group(4)) << 32)
67 return (progname, progversion)
80 (re.compile(r"(.+)[-_](\d+)\.(\d+)\.(\d+)\.(\d+)"), parseVer_1234), # xxx-1.2.3.4
81 (re.compile(r"(.+)[-_](\d\d\d\d)-?(\d\d)-?(\d\d)"), parseVer_ymd), # xxx-YYYY-MM-DD
82 (re.compile(r"(.+)[-_](\d+)\.(\d+)\.(\d+)(\w?)"), parseVer_123), # xxx-1.2.3a
83 (re.compile(r"(.+)[-_](\d+)_(\d+)_(\d+)"), parseVer_123), # xxx-1_2_3
84 (re.compile(r"(.+)[-_](\d+)\.(\d+)(\w?)"), parseVer_12), # xxx-1.2a
85 (re.compile(r"(.+)[-_]r?(\d+)"), parseVer_r), # xxx-r1111
89 ("linux", re.compile(r"linux-.*")),
90 ("gcc", re.compile(r"gcc-.*")),
91 ("wl_apsta", re.compile(r"wl_apsta.*")),
92 (".fw", re.compile(r".*\.fw")),
93 (".arm", re.compile(r".*\.arm")),
94 (".bin", re.compile(r".*\.bin")),
95 ("rt-firmware", re.compile(r"RT[\d\w]+_Firmware.*")),
98 class EntryParseError(Exception): pass
101 def __init__(self, directory, filename):
102 self.directory = directory
103 self.filename = filename
106 for ext in extensions:
107 if filename.endswith(ext):
108 filename = filename[0:0-len(ext)]
111 print self.filename, "has an unknown file-extension"
112 raise EntryParseError("ext")
113 for (regex, parseVersion) in versionRegex:
114 match = regex.match(filename)
116 (self.progname, self.version) = parseVersion(match)
119 print self.filename, "has an unknown version pattern"
120 raise EntryParseError("ver")
122 def deleteFile(self):
123 path = (self.directory + "/" + self.filename).replace("//", "/")
124 print "Deleting", path
129 return self.filename == y.filename
132 return self.version >= y.version
135 print "OpenWRT download directory cleanup utility"
136 print "Usage: " + sys.argv[0] + " [OPTIONS] <path/to/dl>"
138 print " -d|--dry-run Do a dry-run. Don't delete any files"
139 print " -B|--show-blacklist Show the blacklist and exit"
140 print " -w|--whitelist ITEM Remove ITEM from blacklist"
146 (opts, args) = getopt.getopt(argv[1:],
148 [ "help", "dry-run", "show-blacklist", "whitelist=", ])
152 except getopt.GetoptError:
157 if o in ("-h", "--help"):
160 if o in ("-d", "--dry-run"):
162 if o in ("-w", "--whitelist"):
163 for i in range(0, len(blacklist)):
164 (name, regex) = blacklist[i]
169 print "Whitelist error: Item", v,\
170 "is not in blacklist"
172 if o in ("-B", "--show-blacklist"):
173 for (name, regex) in blacklist:
177 # Create a directory listing and parse the file names.
179 for filename in os.listdir(directory):
180 if filename == "." or filename == "..":
182 for (name, regex) in blacklist:
183 if regex.match(filename):
185 print filename, "is blacklisted"
189 entries.append(Entry(directory, filename))
190 except (EntryParseError), e: pass
192 # Create a map of programs
194 for entry in entries:
195 if entry.progname in progmap.keys():
196 progmap[entry.progname].append(entry)
198 progmap[entry.progname] = [entry,]
200 # Traverse the program map and delete everything but the last version
203 versions = progmap[prog]
204 for version in versions:
205 if lastVersion is None or version >= lastVersion:
206 lastVersion = version
208 for version in versions:
209 if version != lastVersion:
212 print "Keeping", lastVersion.filename
216 if __name__ == "__main__":
217 sys.exit(main(sys.argv))