Script to remerge affected packages

bug256953d.py (text/plain), 1.38 KB, created by Martin von Gagern on 2009-02-10 09:07:13 UTC

#!/usr/bin/python

from __future__ import with_statement

import struct
import re
import imp
from os import listdir, stat, execvp
from os.path import join, isdir, isfile
from sys import argv

contpy = re.compile(r"obj (.*\.py) ")

def needRecompile():
    with open(cpath, "r") as cont:
        for entry in cont:
            match = contpy.match(entry)
            if match is None: continue
            py = match.group(1)
            if not isfile(py): continue
            mtime = stat(py).st_mtime
            expect = struct.pack('<4sl', imp.get_magic(), mtime)
            for ext in ["c", "o"]:
                pyc = py + ext
                if not isfile(pyc): continue
                with open(pyc, "rb") as chandle:
                    actual = chandle.read(8)
                if expect == actual: continue
                return True
    return False

print "Looking for packages that need to be recompiled"
toRecompile = []
dbdir = "/var/db/pkg";
for grp in listdir(dbdir):
    gdir = join(dbdir, grp)
    if not isdir(gdir): continue
    for pkg in listdir(gdir):
        if pkg == "python" and grp == "dev-lang": continue
        cpath = join(gdir, pkg, "CONTENTS")
        if not isfile(cpath): continue
        if needRecompile():
            toRecompile.append("=%s/%s" % (grp, pkg))
            print "%s/%s" % (grp, pkg)

execvp("emerge", ["emerge", "--oneshot"] + argv[1:] + toRecompile)