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
))