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#!/usr/bin/env python
# OpenEmbedded pkgdata utility
#
# Written by: Paul Eggleton <paul.eggleton@linux.intel.com>
#
# Copyright 2012 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.
#
#
# Currently only has two functions:
# 1) glob - mapping of packages to their dev/dbg/doc/locale etc. counterparts.
# 2) read-value - mapping of packagenames to their location in
# pkgdata and then returns value of selected variable (e.g. PKGSIZE)
# Could be extended in future to perform other useful querying functions on the
# pkgdata though.
#
import sys
import os
import os.path
import fnmatch
import re
def usage():
print("syntax: oe-pkgdata-util glob [-d] <pkgdatadir> <vendor-os> <pkglist> \"<globs>\"\n \
read-value [-d] <pkgdatadir> <vendor-os> <value-name> \"<package-name>_<package_architecture>\"");
def glob(args):
if len(args) < 3:
usage()
sys.exit(1)
pkgdata_dir = args[0]
pkglist_file = args[1]
globs = args[2].split()
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 len(fields) < 2:
continue
pkg = fields[0]
arch = fields[1]
# 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):
if len(args) < 3:
usage()
sys.exit(1)
pkgdata_dir = args[0]
var = args[1]
packages = args[2].split()
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]
pkg_arch = '_'.join(pkg_split[1:])
if debug:
print "package: name: '%s', arch: '%s'" % (pkg_name, pkg_arch)
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)
print(readvar(revlink, qvar))
# Too lazy to use getopt
debug = False
noopt = False
args = []
for arg in sys.argv[1:]:
if arg == "--":
noopt = True
else:
if not noopt:
if arg == "-d":
debug = True
continue
args.append(arg)
if len(args) < 1:
usage()
sys.exit(1)
if args[0] == "glob":
glob(args[1:])
elif args[0] == "read-value":
read_value(args[1:])
else:
usage()
sys.exit(1)
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