/usr/lib/python3/dist-packages/lfm/compress.py is in lfm 3.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 | # -*- coding: utf-8 -*-
from os.path import dirname, basename, join, isfile, isdir
from utils import delete_bulk
from common import *
######################################################################
def get_compressed_file_engine(filename):
for p in packagers: # Note: tbz2 must be before bz2
for e in p.exts:
if filename.endswith(e):
return p(filename)
else:
return None
def get_compressed_file_type(filename):
c = get_compressed_file_engine(filename)
return c.type if c else None
def check_compressed_vfs(filename):
c = get_compressed_file_engine(filename)
return c.can_vfs if c else False
class PackagerBase:
def __init__(self, filename):
self.path = filename
self.dirname = dirname(self.path)
self.filename = basename(self.path)
@property
def cmd_uncompress(self):
return self.uncompress_cmd % self.path
@property
def cmd_compress(self):
newfile = self.filename + self.exts[0]
if isfile(self.path):
if self.type in ('bz2', 'gz', 'xz', 'lz', 'lz4'):
return self.compress_cmd % self.filename
elif self.type in ('tbz2', 'tgz', 'txz', 'tlz', 'tlz4, ''tar'):
return # Don't use tar, it's a file
else:
return self.compress_cmd % (self.filename, newfile)
elif isdir(self.path):
if self.type in ('bz2', 'gz', 'xz', 'lz', 'lz4'):
return # Don't compress without tar, it's a dir
if self.need_tar:
return self.compress_cmd % (self.filename, newfile)
else:
return self.compress_cmd % (newfile, self.filename)
def cmd_compress2(self, src, dest):
if not dest.endswith(self.exts[0]):
dest += self.exts[0]
if self.need_tar:
return self.compress2_cmd % (src, dest)
else:
return self.compress2_cmd % (dest, src)
def delete_temp(self, path, from_compress, is_tmp=False):
if is_tmp:
tmpfile = path
else:
if from_compress:
for e in self.exts:
if self.filename.endswith(e):
dirname = self.filename[:-len(e)]
break
else:
return
tmpfile = join(path, dirname)
else: # from uncompress
tmpfile = join(path, self.filename+self.exts[0])
delete_bulk(str(tmpfile), ignore_errors=True)
class PackagerTBZ2(PackagerBase):
type = 'tbz2'
exts = ('.tar.bz2', '.tbz2')
need_tar = True
can_vfs = True
uncompress_prog = compress_prog = SYSPROGS['bzip2']
uncompress_cmd = uncompress_prog + ' -d \"%s\" -c | ' + SYSPROGS['tar'] + ' xfi -'
compress_cmd = SYSPROGS['tar'] + ' cf - \"%s\" | ' + compress_prog + ' > \"%s\"'
compress2_cmd = SYSPROGS['tar'] + ' cf - %s | ' + compress_prog + ' > \"%s\"'
class PackagerBZ2(PackagerBase):
type = 'bz2'
exts = ('.bz2', )
need_tar = False
can_vfs = False
uncompress_prog = compress_prog = SYSPROGS['bzip2']
uncompress_cmd = uncompress_prog + ' -d \"%s\"'
compress_cmd = compress_prog + ' \"%s\"'
compress2_cmd = compress_prog + ' %s'
class PackagerTGZ(PackagerBase):
type = 'tgz'
exts = ('.tar.gz', '.tgz', '.tar.Z')
need_tar = True
can_vfs = True
uncompress_prog = compress_prog = SYSPROGS['gzip']
uncompress_cmd = uncompress_prog + ' -d \"%s\" -c | ' + SYSPROGS['tar'] + ' xfi -'
compress_cmd = SYSPROGS['tar'] + ' cf - \"%s\" | ' + compress_prog + ' > \"%s\"'
compress2_cmd = SYSPROGS['tar'] + ' cf - %s | ' + compress_prog + ' > \"%s\"'
class PackagerGZ(PackagerBase):
type = 'gz'
exts = ('.gz', )
need_tar = False
can_vfs = False
uncompress_prog = compress_prog = SYSPROGS['gzip']
uncompress_cmd = uncompress_prog + ' -d \"%s\"'
compress_cmd = compress_prog + ' \"%s\"'
compress2_cmd = compress_prog + ' %s'
class PackagerTXZ(PackagerBase):
type = 'txz'
exts = ('.tar.xz', '.txz')
need_tar = True
can_vfs = True
uncompress_prog = compress_prog = SYSPROGS['xz']
uncompress_cmd = uncompress_prog + ' -d \"%s\" -c | ' + SYSPROGS['tar'] + ' xfi -'
compress_cmd = SYSPROGS['tar'] + ' cf - \"%s\" | ' + compress_prog + ' > \"%s\"'
compress2_cmd = SYSPROGS['tar'] + ' cf - %s | ' + compress_prog + ' > \"%s\"'
class PackagerXZ(PackagerBase):
type = 'xz'
exts = ('.xz', )
need_tar = False
can_vfs = False
uncompress_prog = compress_prog = SYSPROGS['xz']
uncompress_cmd = uncompress_prog + ' -d \"%s\"'
compress_cmd = compress_prog + ' \"%s\"'
compress2_cmd = compress_prog + ' %s'
class PackagerTLZ(PackagerBase):
type = 'tlz'
exts = ('.tar.lz', '.tlz')
need_tar = True
can_vfs = True
uncompress_prog = compress_prog = SYSPROGS['lzip']
uncompress_cmd = uncompress_prog + ' -d \"%s\" -c | ' + SYSPROGS['tar'] + ' xfi -'
compress_cmd = SYSPROGS['tar'] + ' cf - \"%s\" | ' + compress_prog + ' > \"%s\"'
compress2_cmd = SYSPROGS['tar'] + ' cf - %s | ' + compress_prog + ' > \"%s\"'
class PackagerLZ(PackagerBase):
type = 'lz'
exts = ('.lz', )
need_tar = False
can_vfs = False
uncompress_prog = compress_prog = SYSPROGS['lzip']
uncompress_cmd = uncompress_prog + ' -d \"%s\"'
compress_cmd = compress_prog + ' \"%s\"'
compress2_cmd = compress_prog + ' %s'
class PackagerTLZ4(PackagerBase):
type = 'tlz4'
exts = ('.tar.lz4', '.tlz4')
need_tar = True
can_vfs = True
uncompress_prog = compress_prog = SYSPROGS['lz4']
uncompress_cmd = uncompress_prog + ' -q -d \"%s\" -c | ' + SYSPROGS['tar'] + ' xfi -'
compress_cmd = SYSPROGS['tar'] + ' cf - \"%s\" | ' + compress_prog + ' -9 -q > \"%s\"'
compress2_cmd = SYSPROGS['tar'] + ' cf - %s | ' + compress_prog + ' -9 -q > \"%s\"'
class PackagerLZ4(PackagerBase):
type = 'lz4'
exts = ('.lz4', )
need_tar = False
can_vfs = False
uncompress_prog = compress_prog = SYSPROGS['lz4']
uncompress_cmd = uncompress_prog + ' --rm -m -q -d \"%s\"'
compress_cmd = compress_prog + ' --rm -m -q \"%s\"'
compress2_cmd = compress_prog + ' --rm -m -q %s'
class PackagerTAR(PackagerBase):
type = 'tar'
exts = ('.tar', )
need_tar = False
can_vfs = True
uncompress_prog = compress_prog = SYSPROGS['tar']
uncompress_cmd = uncompress_prog + ' xf \"%s\"'
compress_cmd = compress_prog + ' cf \"%s\" \"%s\"'
compress2_cmd = compress_prog + ' cf \"%s\" %s'
class PackagerZIP(PackagerBase):
type = 'zip'
exts = ('.zip', '.jar', '.apk')
need_tar = False
can_vfs = True
uncompress_prog = SYSPROGS['unzip']
uncompress_cmd = uncompress_prog + ' -o -q \"%s\"'
compress_prog = SYSPROGS['zip']
compress_cmd = compress_prog + ' -qr \"%s\" \"%s\"'
compress2_cmd = compress_prog + ' -qr \"%s\" %s'
class PackagerRAR(PackagerBase):
type = 'rar'
exts = ('.rar', )
need_tar = False
can_vfs = True
uncompress_prog = compress_prog = SYSPROGS['rar']
uncompress_cmd = uncompress_prog + ' x \"%s\"'
compress_cmd = compress_prog + ' a \"%s\" \"%s\"'
compress2_cmd = compress_prog + ' a \"%s\" %s'
class Packager7Z(PackagerBase):
type = '7z'
exts = ('.7z', )
need_tar = False
can_vfs = True
uncompress_prog = SYSPROGS['7z']
uncompress_cmd = uncompress_prog + ' x \"%s\"'
compress_prog = SYSPROGS['7z']
compress_cmd = compress_prog + ' a \"%s\" \"%s\"'
compress2_cmd = compress_prog + ' a \"%s\" %s'
######################################################################
packagers = (PackagerTBZ2, PackagerBZ2,
PackagerTGZ, PackagerGZ,
PackagerTXZ, PackagerXZ,
PackagerTLZ, PackagerLZ,
PackagerTLZ4, PackagerLZ4,
PackagerTAR, PackagerZIP,
PackagerRAR, Packager7Z)
packagers_by_type = {'tbz2': PackagerTBZ2,
'bz2': PackagerBZ2,
'tgz': PackagerTGZ,
'gz': PackagerGZ,
'txz': PackagerTXZ,
'xz': PackagerXZ,
'tlz': PackagerTLZ,
'lz': PackagerLZ,
'tlz4': PackagerTLZ4,
'lz4': PackagerLZ4,
'tar': PackagerTAR,
'zip': PackagerZIP,
'rar': PackagerRAR,
'7z': Packager7Z}
######################################################################
|