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#!/usr/bin/python
# Author: Krzysztof Pawlik <nelchael@gentoo.org>
# This is released as-is. I'm not responsible if it cooks your cat or dog.
# You are using it without support, and on your own!
WHITE_LIST = []
import sys, os, portage
import portage.output as output
if '--help' in sys.argv:
print """
unneded_distfiles.py [options]
Options are:
--script - silent, just prints the file names
--remove - removes found files
--download - list all downloadable files (not fetch RESTRICed)
--help - this screen
"""
sys.exit(0)
def formatSize(x):
x = int(x)
if x < 1024:
return str(x) + ' B'
if x < 1024 * 1024:
return '%.2f KB' % (float(x) / 1024)
return '%.2f MB' % (float(x) / (1024.0 * 1024.0))
# spinner code from emerge - great work!
spinpos = 0
spinner = "/-\\|/-\\|/-\\|/-\\|\\-/|\\-/|\\-/|\\-/|"
def update_spinner():
global spinner, spinpos
spinpos = (spinpos+1) % len(spinner)
sys.stdout.write("\b\b "+spinner[spinpos])
sys.stdout.flush()
silent = False
remove = False
downloadable = False
if '--script' in sys.argv:
silent = True
if '--remove' in sys.argv:
remove = True
if '--download' in sys.argv:
downloadable = True
portdir = portage.settings['PORTDIR']
distdir = portage.settings['DISTDIR']
DBPATHS = [
'/var/db/pkg/'
]
try:
f = open('/etc/portage/pkgs-db', 'r')
pkgs = f.readlines()
f.close()
for i in pkgs:
i = i.strip()
if i[-1:] != '/':
DBPATHS.append(i + '/')
else:
DBPATHS.append(i)
except:
pass
try:
f = open('/etc/portage/distfiles.whitelist', 'r')
for i in f.readlines():
WHITE_LIST.append(i.strip())
f.close()
except:
pass
def echo(x):
if not silent:
print x
echo(output.green('Using portage tree: ') + portdir)
echo(output.green('Using distfiles directory: ') + distdir)
echo(output.green('Using DB directories: '))
for i in DBPATHS:
echo(output.blue(' * ') + i)
db = portage.portdbapi(mysettings=portage.settings)
if not silent:
print output.green('Gathering files... '),
update_spinner()
required_files = []
counter = 0
for dbpkg in DBPATHS:
try:
for category in sorted(os.listdir(dbpkg)):
if (os.path.isdir(dbpkg + category)):
for package in sorted(os.listdir(dbpkg + category)):
if downloadable:
try:
isRestricted = db.aux_get(category + '/' + package, [ 'RESTRICT' ])[0]
isRestricted = isRestricted.split()
if not ('fetch' in isRestricted):
continue
except:
continue
try:
src_uri = db.aux_get(category + '/' + package, [ 'SRC_URI' ])[0]
except:
continue
elements = src_uri.split(' ')
for elem in elements:
if elem == '(' or elem == ')':
continue
if elem[-1:] == '?':
continue
counter += 1
if counter % 10 == 0 and not silent:
update_spinner()
elem = os.path.basename(elem)
if not elem in required_files:
required_files += [ elem ]
except:
pass
if not silent:
print '\b '
total_size = 0
count = 0
for file in sorted(os.listdir(distdir)):
if file == 'metadata.dtd':
continue
fullpath = os.path.normpath(distdir + '/' + file)
if not os.path.isfile(fullpath):
continue
isInWhiteList = False
for wl in WHITE_LIST:
if file.find(wl) != -1:
isInWhiteList = True
break
if isInWhiteList:
continue
if not file in required_files:
total_size += os.path.getsize(fullpath)
count += 1
echo(output.yellow(' *') + ' Stale file: ' + fullpath + output.blue(' [' + formatSize(os.path.getsize(fullpath)) + ']'))
if silent:
print fullpath
if remove:
try:
os.unlink(fullpath)
except:
if silent:
sys.stderr.write(' *** Error removing file "' + fullpath + '"\n')
else:
echo(output.red(' * ') + ' Error removing file.')
echo(output.green('Total unneded files: ') + str(count))
echo(output.green('Total size: ') + formatSize(total_size))
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