Fix CONFIG_LINUX_ for linux 3.0
[openwrt/svn-archive/archive.git] / scripts / dl_cleanup.py
1 #!/usr/bin/env python
2 """
3 # OpenWRT download directory cleanup utility.
4 # Delete all but the very last version of the program tarballs.
5 #
6 # Copyright (c) 2010 Michael Buesch <mb@bu3sch.de>
7 """
8
9 import sys
10 import os
11 import re
12 import getopt
13
14 # Commandline options
15 opt_dryrun = False
16
17
18 def parseVer_1234(match, filepath):
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)
25
26 def parseVer_123(match, filepath):
27 progname = match.group(1)
28 try:
29 patchlevel = match.group(5)
30 except (IndexError), e:
31 patchlevel = None
32 if patchlevel:
33 patchlevel = ord(patchlevel[0])
34 else:
35 patchlevel = 0
36 progversion = (int(match.group(2)) << 64) |\
37 (int(match.group(3)) << 48) |\
38 (int(match.group(4)) << 32) |\
39 patchlevel
40 return (progname, progversion)
41
42 def parseVer_12(match, filepath):
43 progname = match.group(1)
44 try:
45 patchlevel = match.group(4)
46 except (IndexError), e:
47 patchlevel = None
48 if patchlevel:
49 patchlevel = ord(patchlevel[0])
50 else:
51 patchlevel = 0
52 progversion = (int(match.group(2)) << 64) |\
53 (int(match.group(3)) << 48) |\
54 patchlevel
55 return (progname, progversion)
56
57 def parseVer_r(match, filepath):
58 progname = match.group(1)
59 progversion = (int(match.group(2)) << 64)
60 return (progname, progversion)
61
62 def parseVer_ymd(match, filepath):
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)
68
69 def parseVer_GIT(match, filepath):
70 progname = match.group(1)
71 st = os.stat(filepath)
72 progversion = int(st.st_mtime) << 64
73 return (progname, progversion)
74
75 extensions = (
76 ".tar.gz",
77 ".tar.bz2",
78 ".orig.tar.gz",
79 ".orig.tar.bz2",
80 ".zip",
81 ".tgz",
82 ".tbz",
83 )
84
85 versionRegex = (
86 (re.compile(r"(.+)[-_]([0-9a-fA-F]{40,40})"), parseVer_GIT), # xxx-GIT_SHASUM
87 (re.compile(r"(.+)[-_](\d+)\.(\d+)\.(\d+)\.(\d+)"), parseVer_1234), # xxx-1.2.3.4
88 (re.compile(r"(.+)[-_](\d\d\d\d)-?(\d\d)-?(\d\d)"), parseVer_ymd), # xxx-YYYY-MM-DD
89 (re.compile(r"(.+)[-_](\d+)\.(\d+)\.(\d+)(\w?)"), parseVer_123), # xxx-1.2.3a
90 (re.compile(r"(.+)[-_](\d+)_(\d+)_(\d+)"), parseVer_123), # xxx-1_2_3
91 (re.compile(r"(.+)[-_](\d+)\.(\d+)(\w?)"), parseVer_12), # xxx-1.2a
92 (re.compile(r"(.+)[-_]r?(\d+)"), parseVer_r), # xxx-r1111
93 )
94
95 blacklist = [
96 ("linux", re.compile(r"linux-.*")),
97 ("gcc", re.compile(r"gcc-.*")),
98 ("wl_apsta", re.compile(r"wl_apsta.*")),
99 (".fw", re.compile(r".*\.fw")),
100 (".arm", re.compile(r".*\.arm")),
101 (".bin", re.compile(r".*\.bin")),
102 ("rt-firmware", re.compile(r"RT[\d\w]+_Firmware.*")),
103 ]
104
105 class EntryParseError(Exception): pass
106
107 class Entry:
108 def __init__(self, directory, filename):
109 self.directory = directory
110 self.filename = filename
111 self.progname = ""
112 self.fileext = ""
113
114 for ext in extensions:
115 if filename.endswith(ext):
116 filename = filename[0:0-len(ext)]
117 self.fileext = ext
118 break
119 else:
120 print self.filename, "has an unknown file-extension"
121 raise EntryParseError("ext")
122 for (regex, parseVersion) in versionRegex:
123 match = regex.match(filename)
124 if match:
125 (self.progname, self.version) = parseVersion(
126 match, directory + "/" + filename + self.fileext)
127 break
128 else:
129 print self.filename, "has an unknown version pattern"
130 raise EntryParseError("ver")
131
132 def deleteFile(self):
133 path = (self.directory + "/" + self.filename).replace("//", "/")
134 print "Deleting", path
135 if not opt_dryrun:
136 os.unlink(path)
137
138 def __eq__(self, y):
139 return self.filename == y.filename
140
141 def __ge__(self, y):
142 return self.version >= y.version
143
144 def usage():
145 print "OpenWRT download directory cleanup utility"
146 print "Usage: " + sys.argv[0] + " [OPTIONS] <path/to/dl>"
147 print ""
148 print " -d|--dry-run Do a dry-run. Don't delete any files"
149 print " -B|--show-blacklist Show the blacklist and exit"
150 print " -w|--whitelist ITEM Remove ITEM from blacklist"
151
152 def main(argv):
153 global opt_dryrun
154
155 try:
156 (opts, args) = getopt.getopt(argv[1:],
157 "hdBw:",
158 [ "help", "dry-run", "show-blacklist", "whitelist=", ])
159 if len(args) != 1:
160 usage()
161 return 1
162 except getopt.GetoptError:
163 usage()
164 return 1
165 directory = args[0]
166 for (o, v) in opts:
167 if o in ("-h", "--help"):
168 usage()
169 return 0
170 if o in ("-d", "--dry-run"):
171 opt_dryrun = True
172 if o in ("-w", "--whitelist"):
173 for i in range(0, len(blacklist)):
174 (name, regex) = blacklist[i]
175 if name == v:
176 del blacklist[i]
177 break
178 else:
179 print "Whitelist error: Item", v,\
180 "is not in blacklist"
181 return 1
182 if o in ("-B", "--show-blacklist"):
183 for (name, regex) in blacklist:
184 print name
185 return 0
186
187 # Create a directory listing and parse the file names.
188 entries = []
189 for filename in os.listdir(directory):
190 if filename == "." or filename == "..":
191 continue
192 for (name, regex) in blacklist:
193 if regex.match(filename):
194 if opt_dryrun:
195 print filename, "is blacklisted"
196 break
197 else:
198 try:
199 entries.append(Entry(directory, filename))
200 except (EntryParseError), e: pass
201
202 # Create a map of programs
203 progmap = {}
204 for entry in entries:
205 if entry.progname in progmap.keys():
206 progmap[entry.progname].append(entry)
207 else:
208 progmap[entry.progname] = [entry,]
209
210 # Traverse the program map and delete everything but the last version
211 for prog in progmap:
212 lastVersion = None
213 versions = progmap[prog]
214 for version in versions:
215 if lastVersion is None or version >= lastVersion:
216 lastVersion = version
217 if lastVersion:
218 for version in versions:
219 if version != lastVersion:
220 version.deleteFile()
221 if opt_dryrun:
222 print "Keeping", lastVersion.filename
223
224 return 0
225
226 if __name__ == "__main__":
227 sys.exit(main(sys.argv))