poky/scripts/oe-pkgdata-util

#!/usr/bin/env python

OpenEmbedded pkgdata utility

Written by: Paul Eggleton paul.eggleton@linux.intel.com

Copyright 2012-2013 Intel Corporation

This program is free software; you can redistribute it and/or modify

it under the terms of the GNU General Public License version 2 as

published by the Free Software Foundation.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License along

with this program; if not, write to the Free Software Foundation, Inc.,

51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

import sys import os import os.path import fnmatch import re import optparse from collections import defaultdict

def glob(args, usage, debug=False): if len(args) < 3: usage() sys.exit(1)

pkgdata_dir = args[0]
pkglist_file = args[1]
globs = args[2].split()

if not os.path.exists(pkgdata_dir):
    print('ERROR: Unable to find pkgdata directory %s' % pkgdata_dir)
    sys.exit(1)

if not os.path.exists(pkglist_file):
    print('ERROR: Unable to find package list file %s' % pkglist_file)
    sys.exit(1)

skipregex = re.compile("-locale-|^locale-base-|-dev$|-doc$|-dbg$|-staticdev$|^kernel-module-")

mappedpkgs = set()
with open(pkglist_file, 'r') as f:
    for line in f:
        fields = line.rstrip().split()
        if not fields:
            continue
        pkg = fields[0]
        # We don't care about other args (used to need the package architecture but the
        # new pkgdata structure avoids the need for that)

        # Skip packages for which there is no point applying globs
        if skipregex.search(pkg):
            if debug:
                print("%s -> !!" % pkg)
            continue

        # Skip packages that already match the globs, so if e.g. a dev package
        # is already installed and thus in the list, we don't process it any further
        # Most of these will be caught by skipregex already, but just in case...
        already = False
        for g in globs:
            if fnmatch.fnmatchcase(pkg, g):
                already = True
                break
        if already:
            if debug:
                print("%s -> !" % pkg)
            continue

        # Define some functions
        def revpkgdata(pkgn):
            return os.path.join(pkgdata_dir, "runtime-reverse", pkgn)
        def fwdpkgdata(pkgn):
            return os.path.join(pkgdata_dir, "runtime", pkgn)
        def readpn(pkgdata_file):
            pn = ""
            with open(pkgdata_file, 'r') as f:
                for line in f:
                    if line.startswith("PN:"):
                        pn = line.split(': ')[1].rstrip()
            return pn
        def readrenamed(pkgdata_file):
            renamed = ""
            pn = os.path.basename(pkgdata_file)
            with open(pkgdata_file, 'r') as f:
                for line in f:
                    if line.startswith("PKG_%s:" % pn):
                        renamed = line.split(': ')[1].rstrip()
            return renamed

        # Main processing loop
        for g in globs:
            mappedpkg = ""
            # First just try substitution (i.e. packagename -> packagename-dev)
            newpkg = g.replace("*", pkg)
            revlink = revpkgdata(newpkg)
            if os.path.exists(revlink):
                mappedpkg = os.path.basename(os.readlink(revlink))
                fwdfile = fwdpkgdata(mappedpkg)
                if os.path.exists(fwdfile):
                    mappedpkg = readrenamed(fwdfile)
                if not os.path.exists(fwdfile + ".packaged"):
                    mappedpkg = ""
            else:
                revlink = revpkgdata(pkg)
                if os.path.exists(revlink):
                    # Check if we can map after undoing the package renaming (by resolving the symlink)
                    origpkg = os.path.basename(os.readlink(revlink))
                    newpkg = g.replace("*", origpkg)
                    fwdfile = fwdpkgdata(newpkg)
                    if os.path.exists(fwdfile):
                        mappedpkg = readrenamed(fwdfile)
                    else:
                        # That didn't work, so now get the PN, substitute that, then map in the other direction
                        pn = readpn(revlink)
                        newpkg = g.replace("*", pn)
                        fwdfile = fwdpkgdata(newpkg)
                        if os.path.exists(fwdfile):
                            mappedpkg = readrenamed(fwdfile)
                    if not os.path.exists(fwdfile + ".packaged"):
                        mappedpkg = ""
                else:
                    # Package doesn't even exist...
                    if debug:
                        print "%s is not a valid package!" % (pkg)
                    break

            if mappedpkg:
                if debug:
                    print "%s (%s) -> %s" % (pkg, g, mappedpkg)
                mappedpkgs.add(mappedpkg)
            else:
                if debug:
                    print "%s (%s) -> ?" % (pkg, g)

if debug:
    print "------"

print("\n".join(mappedpkgs))

def read_value(args, usage, debug=False): if len(args) < 3: usage() sys.exit(1)

pkgdata_dir = args[0]
var = args[1]
packages = args[2].split()

if not os.path.exists(pkgdata_dir):
    print('ERROR: Unable to find pkgdata directory %s' % pkgdata_dir)
    sys.exit(1)

def readvar(pkgdata_file, var):
    val = ""
    with open(pkgdata_file, 'r') as f:
        for line in f:
            if line.startswith(var + ":"):
                val = line.split(': ')[1].rstrip()
    return val

if debug:
    print "read-value('%s', '%s' '%s'" % (pkgdata_dir, var, packages)
for package in packages:
    pkg_split = package.split('_')
    pkg_name = pkg_split[0]
    if debug:
        print "package: '%s'" % pkg_name
    revlink = os.path.join(pkgdata_dir, "runtime-reverse", pkg_name)
    if debug:
        print(revlink)
    if os.path.exists(revlink):
        mappedpkg = os.path.basename(os.readlink(revlink))
        qvar = var
        if qvar == "PKGSIZE":
            # append packagename
            qvar = "%s_%s" % (var, mappedpkg)
            # PKGSIZE is now in bytes, but we we want it in KB
            pkgsize = (int(readvar(revlink, qvar)) + 1024 // 2) // 1024
            print("%d" % pkgsize)
        else:
            print(readvar(revlink, qvar))

def lookup_pkg(args, usage, debug=False): if len(args) < 2: usage() sys.exit(1)

pkgdata_dir = args[0]
pkgs = args[1].split()

if not os.path.exists(pkgdata_dir):
    print('ERROR: Unable to find pkgdata directory %s' % pkgdata_dir)
    sys.exit(1)

mappings = defaultdict(list)
for pkg in pkgs:
    pkgfile = os.path.join(pkgdata_dir, 'runtime', pkg)
    if os.path.exists(pkgfile):
        with open(pkgfile, 'r') as f:
            for line in f:
                fields = line.rstrip().split(': ')
                if fields[0] == 'PKG_%s' % pkg:
                    mappings[pkg].append(fields[1])
                    break
if len(mappings) < len(pkgs):
    missing = list(set(pkgs) - set(mappings.keys()))
    sys.stderr.write("ERROR: the following packages could not be found: %s\n" % ', '.join(missing))
    sys.exit(1)

items = []
for pkg in pkgs:
    items.extend(mappings.get(pkg, []))
print '\n'.join(items)

def lookup_recipe(args, usage, debug=False): if len(args) < 2: usage() sys.exit(1)

pkgdata_dir = args[0]
pkgs = args[1].split()

if not os.path.exists(pkgdata_dir):
    print('ERROR: Unable to find pkgdata directory %s' % pkgdata_dir)
    sys.exit(1)

mappings = defaultdict(list)
for pkg in pkgs:
    pkgfile = os.path.join(pkgdata_dir, 'runtime-reverse', pkg)
    if os.path.exists(pkgfile):
        with open(pkgfile, 'r') as f:
            for line in f:
                fields = line.rstrip().split(': ')
                if fields[0] == 'PN':
                    mappings[pkg].append(fields[1])
                    break
if len(mappings) < len(pkgs):
    missing = list(set(pkgs) - set(mappings.keys()))
    sys.stderr.write("ERROR: the following packages could not be found: %s\n" % ', '.join(missing))
    sys.exit(1)

items = []
for pkg in pkgs:
    items.extend(mappings.get(pkg, []))
print '\n'.join(items)

def find_path(args, usage, debug=False): if len(args) < 2: usage() sys.exit(1)

pkgdata_dir = args[0]
targetpath = args[1]

if not os.path.exists(pkgdata_dir):
    print('ERROR: Unable to find pkgdata directory %s' % pkgdata_dir)
    sys.exit(1)

import json
import fnmatch

for root, dirs, files in os.walk(os.path.join(pkgdata_dir, 'runtime')):
    for fn in files:
        with open(os.path.join(root,fn)) as f:
            for line in f:
                if line.startswith('FILES_INFO:'):
                    val = line.split(':', 1)[1].strip()
                    dictval = json.loads(val)
                    for fullpth in dictval.keys():
                        if fnmatch.fnmatchcase(fullpth, targetpath):
                            print("%s: %s" % (fn, fullpth))
                    break

def main(): parser = optparse.OptionParser( usage = '''%prog [options]

Available commands: glob "" expand one or more glob expressions over the packages listed in pkglistfile (one package per line) lookup-pkg "" look up the specified recipe-space package name(s) to see what the final runtime package name is (e.g. eglibc becomes libc6) lookup-recipe "" look up the specified package(s) to see which recipe they were produced by find-path find the package providing the specified path (wildcards * ? allowed) read-value "" read the named value from the pkgdata files for the specified packages''')

parser.add_option("-d", "--debug",
        help = "Enable debug output",
        action="store_true", dest="debug", default=False)

options, args = parser.parse_args(sys.argv)
args = args[1:]

if len(args) < 1:
    parser.print_help()
    sys.exit(1)

if args[0] == "glob":
    glob(args[1:], parser.print_help, options.debug)
elif args[0] == "lookup-pkg":
    lookup_pkg(args[1:], parser.print_help, options.debug)
elif args[0] == "lookup-recipe":
    lookup_recipe(args[1:], parser.print_help, options.debug)
elif args[0] == "find-path":
    find_path(args[1:], parser.print_help, options.debug)
elif args[0] == "read-value":
    read_value(args[1:], parser.print_help, options.debug)
else:
    parser.print_help()
    sys.exit(1)

if name == "main": main()