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#!/usr/bin/env python
# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# Copyright (C) 2003, 2004  Chris Larson
# Copyright (C) 2003, 2004  Phil Blundell
# Copyright (C) 2003 - 2005 Michael 'Mickey' Lauer
# Copyright (C) 2005        Holger Hans Peter Freyther
# Copyright (C) 2005        ROAD GmbH
# Copyright (C) 2006        Richard Purdie
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
#
# 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., 59 Temple
# Place, Suite 330, Boston, MA 02111-1307 USA.

import sys, os, getopt, glob, copy, os.path, re, time
sys.path.insert(0,os.path.join(os.path.dirname(os.path.dirname(sys.argv[0])), 'lib'))
import bb
from bb import utils, data, parse, event, cache, providers, taskdata, runqueue
from sets import Set
import itertools, optparse

parsespin = itertools.cycle( r'|/-\\' )

__version__ = "1.7.4"

#============================================================================#
# BBStatistics
#============================================================================#
class BBStatistics:
    """
    Manage build statistics for one run
    """
    def __init__(self ):
        self.attempt = 0
        self.success = 0
        self.fail = 0
        self.deps = 0

    def show( self ):
        print "Build statistics:"
        print "  Attempted builds: %d" % self.attempt
        if self.fail:
            print "  Failed builds: %d" % self.fail
        if self.deps:
            print "  Dependencies not satisfied: %d" % self.deps
        if self.fail or self.deps: return 1
        else: return 0


#============================================================================#
# BBOptions
#============================================================================#
class BBConfiguration( object ):
    """
    Manages build options and configurations for one run
    """
    def __init__( self, options ):
        for key, val in options.__dict__.items():
            setattr( self, key, val )

#============================================================================#
# BBCooker
#============================================================================#
class BBCooker:
    """
    Manages one bitbake build run
    """

    Statistics = BBStatistics           # make it visible from the shell

    def __init__( self ):
        self.build_cache_fail = []
        self.build_cache = []
        self.stats = BBStatistics()
        self.status = None

        self.cache = None
        self.bb_cache = None

    def tryBuildPackage(self, fn, item, task, the_data, build_depends):
        """
        Build one task of a package, optionally build following task depends
        """
        bb.event.fire(bb.event.PkgStarted(item, the_data))
        try:
            self.stats.attempt += 1
            if self.configuration.force:
                bb.data.setVarFlag('do_%s' % task, 'force', 1, the_data)
            if not build_depends:
                bb.data.setVarFlag('do_%s' % task, 'dontrundeps', 1, the_data)
            if not self.configuration.dry_run:
                bb.build.exec_task('do_%s' % task, the_data)
            bb.event.fire(bb.event.PkgSucceeded(item, the_data))
            self.build_cache.append(fn)
            return True
        except bb.build.FuncFailed:
            self.stats.fail += 1
            bb.msg.error(bb.msg.domain.Build, "task stack execution failed")
            bb.event.fire(bb.event.PkgFailed(item, the_data))
            self.build_cache_fail.append(fn)
            raise
        except bb.build.EventException, e:
            self.stats.fail += 1
            event = e.args[1]
            bb.msg.error(bb.msg.domain.Build, "%s event exception, aborting" % bb.event.getName(event))
            bb.event.fire(bb.event.PkgFailed(item, the_data))
            self.build_cache_fail.append(fn)
            raise

    def tryBuild( self, fn, build_depends):
        """
        Build a provider and its dependencies. 
        build_depends is a list of previous build dependencies (not runtime)
        If build_depends is empty, we're dealing with a runtime depends
        """

        the_data = self.bb_cache.loadDataFull(fn, self.configuration.data)

        item = self.status.pkg_fn[fn]

        if bb.build.stamp_is_current('do_%s' % self.configuration.cmd, the_data) and not self.configuration.force:
            self.build_cache.append(fn)
            return True

        return self.tryBuildPackage(fn, item, self.configuration.cmd, the_data, build_depends)

    def showVersions( self ):
        pkg_pn = self.status.pkg_pn
        preferred_versions = {}
        latest_versions = {}

        # Sort by priority
        for pn in pkg_pn.keys():
            (last_ver,last_file,pref_ver,pref_file) = bb.providers.findBestProvider(pn, self.configuration.data, self.status)
            preferred_versions[pn] = (pref_ver, pref_file)
            latest_versions[pn] = (last_ver, last_file)

        pkg_list = pkg_pn.keys()
        pkg_list.sort()

        for p in pkg_list:
            pref = preferred_versions[p]
            latest = latest_versions[p]

            if pref != latest:
                prefstr = pref[0][0] + "-" + pref[0][1]
            else:
                prefstr = ""

            print "%-30s %20s %20s" % (p, latest[0][0] + "-" + latest[0][1],
                                        prefstr)


    def showEnvironment( self ):
        """Show the outer or per-package environment"""
        if self.configuration.buildfile:
            self.cb = None
            self.bb_cache = bb.cache.init(self)
            try:
                self.configuration.data = self.bb_cache.loadDataFull(self.configuration.buildfile, self.configuration.data)
            except IOError, e:
                bb.msg.fatal(bb.msg.domain.Parsing, "Unable to read %s: %s" % ( self.configuration.buildfile, e ))
            except Exception, e:
                bb.msg.fatal(bb.msg.domain.Parsing, "%s" % e)
        # emit variables and shell functions
        try:
            data.update_data( self.configuration.data )
            data.emit_env(sys.__stdout__, self.configuration.data, True)
        except Exception, e:
            bb.msg.fatal(bb.msg.domain.Parsing, "%s" % e)
        # emit the metadata which isnt valid shell
        data.expandKeys( self.configuration.data )	
        for e in self.configuration.data.keys():
            if data.getVarFlag( e, 'python', self.configuration.data ):
                sys.__stdout__.write("\npython %s () {\n%s}\n" % (e, data.getVar(e, self.configuration.data, 1)))

    def generateDotGraph( self, pkgs_to_build, ignore_deps ):
        """
        Generate a task dependency graph. 

        pkgs_to_build A list of packages that needs to be built
        ignore_deps   A list of names where processing of dependencies
                      should be stopped. e.g. dependencies that get
        """

        for dep in ignore_deps:
            self.status.ignored_dependencies.add(dep)

        localdata = data.createCopy(self.configuration.data)
        bb.data.update_data(localdata)
        bb.data.expandKeys(localdata)
        taskdata = bb.taskdata.TaskData(self.configuration.abort)

        runlist = []
        try:
            for k in pkgs_to_build:
                taskdata.add_provider(localdata, self.status, k)
                runlist.append([k, "do_%s" % self.configuration.cmd])
            taskdata.add_unresolved(localdata, self.status)
        except bb.providers.NoProvider:
            sys.exit(1)
        rq = bb.runqueue.RunQueue()
        rq.prepare_runqueue(self.configuration.data, self.status, taskdata, runlist)

        seen_fnids = []  
        depends_file = file('depends.dot', 'w' )
        tdepends_file = file('task-depends.dot', 'w' )
        print >> depends_file, "digraph depends {"
        print >> tdepends_file, "digraph depends {"
        rq.prio_map.reverse()
        for task1 in range(len(rq.runq_fnid)):
            task = rq.prio_map[task1]
            taskname = rq.runq_task[task]
            fnid = rq.runq_fnid[task]
            fn = taskdata.fn_index[fnid]
            pn = self.status.pkg_fn[fn]
            version  = self.bb_cache.getVar('PV', fn, True ) + '-' + self.bb_cache.getVar('PR', fn, True)
            print >> tdepends_file, '"%s.%s" [label="%s %s\\n%s\\n%s"]' % (pn, taskname, pn, taskname, version, fn)
            for dep in rq.runq_depends[task]:
                depfn = taskdata.fn_index[rq.runq_fnid[dep]]
                deppn = self.status.pkg_fn[depfn]
                print >> tdepends_file, '"%s.%s" -> "%s.%s"' % (pn, rq.runq_task[task], deppn, rq.runq_task[dep])
            if fnid not in seen_fnids:
                seen_fnids.append(fnid)
                packages = []
                print >> depends_file, '"%s" [label="%s %s\\n%s"]' % (pn, pn, version, fn)		
                for depend in self.status.deps[fn]:
                    print >> depends_file, '"%s" -> "%s"' % (pn, depend)
                rdepends = self.status.rundeps[fn]
                for package in rdepends:
                    for rdepend in rdepends[package]:
                        print >> depends_file, '"%s" -> "%s" [style=dashed]' % (package, rdepend)
                    packages.append(package)
                rrecs = self.status.runrecs[fn]
                for package in rrecs:
                    for rdepend in rrecs[package]:
                        print >> depends_file, '"%s" -> "%s" [style=dashed]' % (package, rdepend)
                    if not package in packages:
                        packages.append(package)
                for package in packages:
                    if package != pn:
                        print >> depends_file, '"%s" [label="%s(%s) %s\\n%s"]' % (package, package, pn, version, fn)
                        for depend in self.status.deps[fn]:
                            print >> depends_file, '"%s" -> "%s"' % (package, depend)
                # Prints a flattened form of the above where subpackages of a package are merged into the main pn
                #print >> depends_file, '"%s" [label="%s %s\\n%s\\n%s"]' % (pn, pn, taskname, version, fn)
                #for rdep in taskdata.rdepids[fnid]:
                #    print >> depends_file, '"%s" -> "%s" [style=dashed]' % (pn, taskdata.run_names_index[rdep])
                #for dep in taskdata.depids[fnid]:
                #    print >> depends_file, '"%s" -> "%s"' % (pn, taskdata.build_names_index[dep])
        print >> depends_file,  "}"
        print >> tdepends_file,  "}"
        bb.msg.note(1, bb.msg.domain.Collection, "Dependencies saved to 'depends.dot'")
        bb.msg.note(1, bb.msg.domain.Collection, "Task dependencies saved to 'task-depends.dot'")

    def buildDepgraph( self ):
        all_depends = self.status.all_depends
        pn_provides = self.status.pn_provides

        localdata = data.createCopy(self.configuration.data)
        bb.data.update_data(localdata)
        bb.data.expandKeys(localdata)

        def calc_bbfile_priority(filename):
            for (regex, pri) in self.status.bbfile_config_priorities:
                if regex.match(filename):
                    return pri
            return 0

        # Handle PREFERRED_PROVIDERS
        for p in (bb.data.getVar('PREFERRED_PROVIDERS', localdata, 1) or "").split():
            (providee, provider) = p.split(':')
            if providee in self.status.preferred and self.status.preferred[providee] != provider:
                bb.msg.error(bb.msg.domain.Provider, "conflicting preferences for %s: both %s and %s specified" % (providee, provider, self.status.preferred[providee]))
            self.status.preferred[providee] = provider

        # Calculate priorities for each file
        for p in self.status.pkg_fn.keys():
            self.status.bbfile_priority[p] = calc_bbfile_priority(p)

    def buildWorldTargetList(self):
        """
         Build package list for "bitbake world"
        """
        all_depends = self.status.all_depends
        pn_provides = self.status.pn_provides
        bb.msg.debug(1, bb.msg.domain.Parsing, "collating packages for \"world\"")
        for f in self.status.possible_world:
            terminal = True
            pn = self.status.pkg_fn[f]

            for p in pn_provides[pn]:
                if p.startswith('virtual/'):
                    bb.msg.debug(2, bb.msg.domain.Parsing, "World build skipping %s due to %s provider starting with virtual/" % (f, p))
                    terminal = False
                    break
                for pf in self.status.providers[p]:
                    if self.status.pkg_fn[pf] != pn:
                        bb.msg.debug(2, bb.msg.domain.Parsing, "World build skipping %s due to both us and %s providing %s" % (f, pf, p))
                        terminal = False
                        break
            if terminal:
                self.status.world_target.add(pn)

            # drop reference count now
            self.status.possible_world = None
            self.status.all_depends    = None

    def myProgressCallback( self, x, y, f, from_cache ):
        """Update any tty with the progress change"""
        if os.isatty(sys.stdout.fileno()):
            sys.stdout.write("\rNOTE: Handling BitBake files: %s (%04d/%04d) [%2d %%]" % ( parsespin.next(), x, y, x*100/y ) )
            sys.stdout.flush()
        else:
            if x == 1:
                sys.stdout.write("Parsing .bb files, please wait...")
                sys.stdout.flush()
            if x == y:
                sys.stdout.write("done.")
                sys.stdout.flush()

    def interactiveMode( self ):
        """Drop off into a shell"""
        try:
            from bb import shell
        except ImportError, details:
            bb.msg.fatal(bb.msg.domain.Parsing, "Sorry, shell not available (%s)" % details )
        else:
            bb.data.update_data( self.configuration.data )
            bb.data.expandKeys( self.configuration.data )
            shell.start( self )
            sys.exit( 0 )

    def parseConfigurationFile( self, afile ):
        try:
            self.configuration.data = bb.parse.handle( afile, self.configuration.data )

            # Add the handlers we inherited by INHERIT
            # we need to do this manually as it is not guranteed
            # we will pick up these classes... as we only INHERIT
            # on .inc and .bb files but not on .conf
            data = bb.data.createCopy( self.configuration.data )
            inherits  = ["base"] + (bb.data.getVar('INHERIT', data, True ) or "").split()
            for inherit in inherits:
                data = bb.parse.handle( os.path.join('classes', '%s.bbclass' % inherit ), data, True )

            # FIXME: This assumes that we included at least one .inc file
            for var in bb.data.keys(data):
                if bb.data.getVarFlag(var, 'handler', data):
                    bb.event.register(var,bb.data.getVar(var, data))

        except IOError:
            bb.msg.fatal(bb.msg.domain.Parsing, "Unable to open %s" % afile )
        except bb.parse.ParseError, details:
            bb.msg.fatal(bb.msg.domain.Parsing, "Unable to parse %s (%s)" % (afile, details) )

    def handleCollections( self, collections ):
        """Handle collections"""
        if collections:
            collection_list = collections.split()
            for c in collection_list:
                regex = bb.data.getVar("BBFILE_PATTERN_%s" % c, self.configuration.data, 1)
                if regex == None:
                    bb.msg.error(bb.msg.domain.Parsing, "BBFILE_PATTERN_%s not defined" % c)
                    continue
                priority = bb.data.getVar("BBFILE_PRIORITY_%s" % c, self.configuration.data, 1)
                if priority == None:
                    bb.msg.error(bb.msg.domain.Parsing, "BBFILE_PRIORITY_%s not defined" % c)
                    continue
                try:
                    cre = re.compile(regex)
                except re.error:
                    bb.msg.error(bb.msg.domain.Parsing, "BBFILE_PATTERN_%s \"%s\" is not a valid regular expression" % (c, regex))
                    continue
                try:
                    pri = int(priority)
                    self.status.bbfile_config_priorities.append((cre, pri))
                except ValueError:
                    bb.msg.error(bb.msg.domain.Parsing, "invalid value for BBFILE_PRIORITY_%s: \"%s\"" % (c, priority))


    def cook( self, configuration, args ):
        """
        We are building stuff here. We do the building
        from here. By default we try to execute task
        build.
        """

        self.configuration = configuration

        if self.configuration.verbose:
            bb.msg.set_verbose(True)

        if self.configuration.debug:
            bb.msg.set_debug_level(self.configuration.debug)
        else:
            bb.msg.set_debug_level(0)

        if self.configuration.debug_domains:
            bb.msg.set_debug_domains(self.configuration.debug_domains)

        self.configuration.data = bb.data.init()

        for f in self.configuration.file:
            self.parseConfigurationFile( f )

        self.parseConfigurationFile( os.path.join( "conf", "bitbake.conf" ) )

        if not self.configuration.cmd:
            self.configuration.cmd = bb.data.getVar("BB_DEFAULT_TASK", self.configuration.data)

        # For backwards compatibility - REMOVE ME
        if not self.configuration.cmd:
            self.configuration.cmd = "build"

        #
        # Special updated configuration we use for firing events
        #
        self.configuration.event_data = bb.data.createCopy(self.configuration.data)
        bb.data.update_data(self.configuration.event_data)

        if self.configuration.show_environment:
            self.showEnvironment()
            sys.exit( 0 )

        # inject custom variables
        if not bb.data.getVar("BUILDNAME", self.configuration.data):
            bb.data.setVar("BUILDNAME", os.popen('date +%Y%m%d%H%M').readline().strip(), self.configuration.data)
        bb.data.setVar("BUILDSTART", time.strftime('%m/%d/%Y %H:%M:%S',time.gmtime()),self.configuration.data)

        buildname = bb.data.getVar("BUILDNAME", self.configuration.data)

        if self.configuration.interactive:
            self.interactiveMode()

        if self.configuration.buildfile is not None:
            bf = os.path.abspath( self.configuration.buildfile )
            try:
                os.stat(bf)
            except OSError:
                (filelist, masked) = self.collect_bbfiles()
                regexp = re.compile(self.configuration.buildfile)
                matches = []
                for f in filelist:
                    if regexp.search(f) and os.path.isfile(f):
                        bf = f
                        matches.append(f)
                if len(matches) != 1:
                    bb.msg.error(bb.msg.domain.Parsing, "Unable to match %s (%s matches found):" % (self.configuration.buildfile, len(matches)))
                    for f in matches:
                        bb.msg.error(bb.msg.domain.Parsing, "    %s" % f)
                    sys.exit(1)
                bf = matches[0]		    

            bbfile_data = bb.parse.handle(bf, self.configuration.data)

            item = bb.data.getVar('PN', bbfile_data, 1)
            try:
                self.tryBuildPackage(bf, item, self.configuration.cmd, bbfile_data, True)
            except bb.build.EventException:
                bb.msg.error(bb.msg.domain.Build,  "Build of '%s' failed" % item )

            sys.exit( self.stats.show() )

        # initialise the parsing status now we know we will need deps
        self.status = bb.cache.CacheData()

        ignore = bb.data.getVar("ASSUME_PROVIDED", self.configuration.data, 1) or ""
        self.status.ignored_dependencies = Set( ignore.split() )

        self.handleCollections( bb.data.getVar("BBFILE_COLLECTIONS", self.configuration.data, 1) )

        pkgs_to_build = None
        if args:
            if not pkgs_to_build:
                pkgs_to_build = []
            pkgs_to_build.extend(args)
        if not pkgs_to_build:
                bbpkgs = bb.data.getVar('BBPKGS', self.configuration.data, 1)
                if bbpkgs:
                        pkgs_to_build = bbpkgs.split()
        if not pkgs_to_build and not self.configuration.show_versions \
                             and not self.configuration.interactive \
                             and not self.configuration.show_environment:
                print "Nothing to do.  Use 'bitbake world' to build everything, or run 'bitbake --help'"
                print "for usage information."
                sys.exit(0)

        # Import Psyco if available and not disabled
        if not self.configuration.disable_psyco:
            try:
                import psyco
            except ImportError:
                bb.msg.note(1, bb.msg.domain.Collection, "Psyco JIT Compiler (http://psyco.sf.net) not available. Install it to increase performance.")
            else:
                psyco.bind( self.parse_bbfiles )
        else:
            bb.msg.note(1, bb.msg.domain.Collection, "You have disabled Psyco. This decreases performance.")

        try:
            bb.msg.debug(1, bb.msg.domain.Collection, "collecting .bb files")
            (filelist, masked) = self.collect_bbfiles()
            self.parse_bbfiles(filelist, masked, self.myProgressCallback)
            bb.msg.debug(1, bb.msg.domain.Collection, "parsing complete")
            print
            if self.configuration.parse_only:
                bb.msg.note(1, bb.msg.domain.Collection, "Requested parsing .bb files only.  Exiting.")
                return


            self.buildDepgraph()

            if self.configuration.show_versions:
                self.showVersions()
                sys.exit( 0 )
            if 'world' in pkgs_to_build:
                self.buildWorldTargetList()
                pkgs_to_build.remove('world')
                for t in self.status.world_target:
                    pkgs_to_build.append(t)

            if self.configuration.dot_graph:
                self.generateDotGraph( pkgs_to_build, self.configuration.ignored_dot_deps )
                sys.exit( 0 )

            bb.event.fire(bb.event.BuildStarted(buildname, pkgs_to_build, self.configuration.event_data))

            localdata = data.createCopy(self.configuration.data)
            bb.data.update_data(localdata)
            bb.data.expandKeys(localdata)

            taskdata = bb.taskdata.TaskData(self.configuration.abort)

            runlist = []
            try:
                for k in pkgs_to_build:
                    taskdata.add_provider(localdata, self.status, k)
                    runlist.append([k, "do_%s" % self.configuration.cmd])
                taskdata.add_unresolved(localdata, self.status)
            except bb.providers.NoProvider:
                sys.exit(1)

            rq = bb.runqueue.RunQueue()
            rq.prepare_runqueue(self.configuration.data, self.status, taskdata, runlist)
            try:
                failures = rq.execute_runqueue(self, self.configuration.data, self.status, taskdata, runlist)
            except runqueue.TaskFailure, fnids:
                for fnid in fnids:
                    bb.msg.error(bb.msg.domain.Build, "'%s' failed" % taskdata.fn_index[fnid])
                sys.exit(1)
            bb.event.fire(bb.event.BuildCompleted(buildname, pkgs_to_build, self.configuration.event_data, failures))

            sys.exit( self.stats.show() )

        except KeyboardInterrupt:
            bb.msg.note(1, bb.msg.domain.Collection, "KeyboardInterrupt - Build not completed.")
            sys.exit(1)

    def get_bbfiles( self, path = os.getcwd() ):
        """Get list of default .bb files by reading out the current directory"""
        contents = os.listdir(path)
        bbfiles = []
        for f in contents:
            (root, ext) = os.path.splitext(f)
            if ext == ".bb":
                bbfiles.append(os.path.abspath(os.path.join(os.getcwd(),f)))
        return bbfiles

    def find_bbfiles( self, path ):
        """Find all the .bb files in a directory (uses find)"""
        findcmd = 'find ' + path + ' -name *.bb | grep -v SCCS/'
        try:
            finddata = os.popen(findcmd)
        except OSError:
            return []
        return finddata.readlines()

    def collect_bbfiles( self ):
        """Collect all available .bb build files"""
        parsed, cached, skipped, masked = 0, 0, 0, 0
        self.bb_cache = bb.cache.init(self)

        files = (data.getVar( "BBFILES", self.configuration.data, 1 ) or "").split()
        data.setVar("BBFILES", " ".join(files), self.configuration.data)

        if not len(files):
            files = self.get_bbfiles()

        if not len(files):
            bb.msg.error(bb.msg.domain.Collection, "no files to build.")

        newfiles = []
        for f in files:
            if os.path.isdir(f):
                dirfiles = self.find_bbfiles(f)
                if dirfiles:
                    newfiles += dirfiles
                    continue
            newfiles += glob.glob(f) or [ f ]

        bbmask = bb.data.getVar('BBMASK', self.configuration.data, 1)

        if not bbmask:
            return (newfiles, 0)

        try:
            bbmask_compiled = re.compile(bbmask)
        except sre_constants.error:
            bb.msg.fatal(bb.msg.domain.Collection, "BBMASK is not a valid regular expression.")

        finalfiles = []
        for i in xrange( len( newfiles ) ):
            f = newfiles[i]
            if bbmask and bbmask_compiled.search(f):
                bb.msg.debug(1, bb.msg.domain.Collection, "skipping masked file %s" % f)
                masked += 1
                continue
            finalfiles.append(f)

        return (finalfiles, masked)

    def parse_bbfiles(self, filelist, masked, progressCallback = None):
        parsed, cached, skipped = 0, 0, 0
        for i in xrange( len( filelist ) ):
            f = filelist[i]

            bb.msg.debug(1, bb.msg.domain.Collection, "parsing %s" % f)

            # read a file's metadata
            try:
                fromCache, skip = self.bb_cache.loadData(f, self.configuration.data)
                if skip:
                    skipped += 1
                    bb.msg.debug(2, bb.msg.domain.Collection, "skipping %s" % f)
                    self.bb_cache.skip(f)
                    continue
                elif fromCache: cached += 1
                else: parsed += 1
                deps = None

                # Disabled by RP as was no longer functional
                # allow metadata files to add items to BBFILES
                #data.update_data(self.pkgdata[f])
                #addbbfiles = self.bb_cache.getVar('BBFILES', f, False) or None
                #if addbbfiles:
                #    for aof in addbbfiles.split():
                #        if not files.count(aof):
                #            if not os.path.isabs(aof):
                #                aof = os.path.join(os.path.dirname(f),aof)
                #            files.append(aof)

                self.bb_cache.handle_data(f, self.status)

                # now inform the caller
                if progressCallback is not None:
                    progressCallback( i + 1, len( filelist ), f, fromCache )

            except IOError, e:
                self.bb_cache.remove(f)
                bb.msg.error(bb.msg.domain.Collection, "opening %s: %s" % (f, e))
                pass
            except KeyboardInterrupt:
                self.bb_cache.sync()
                raise
            except Exception, e:
                self.bb_cache.remove(f)
                bb.msg.error(bb.msg.domain.Collection, "%s while parsing %s" % (e, f))
            except:
                self.bb_cache.remove(f)
                raise

        if progressCallback is not None:
            print "\r" # need newline after Handling Bitbake files message
            bb.msg.note(1, bb.msg.domain.Collection, "Parsing finished. %d cached, %d parsed, %d skipped, %d masked." % ( cached, parsed, skipped, masked ))

        self.bb_cache.sync()

#============================================================================#
# main
#============================================================================#

def main():
    parser = optparse.OptionParser( version = "BitBake Build Tool Core version %s, %%prog version %s" % ( bb.__version__, __version__ ),
    usage = """%prog [options] [package ...]

Executes the specified task (default is 'build') for a given set of BitBake files.
It expects that BBFILES is defined, which is a space seperated list of files to
be executed.  BBFILES does support wildcards.
Default BBFILES are the .bb files in the current directory.""" )

    parser.add_option( "-b", "--buildfile", help = "execute the task against this .bb file, rather than a package from BBFILES.",
               action = "store", dest = "buildfile", default = None )

    parser.add_option( "-k", "--continue", help = "continue as much as possible after an error. While the target that failed, and those that depend on it, cannot be remade, the other dependencies of these targets can be processed all the same.",
               action = "store_false", dest = "abort", default = True )

    parser.add_option( "-f", "--force", help = "force run of specified cmd, regardless of stamp status",
               action = "store_true", dest = "force", default = False )

    parser.add_option( "-i", "--interactive", help = "drop into the interactive mode also called the BitBake shell.",
               action = "store_true", dest = "interactive", default = False )

    parser.add_option( "-c", "--cmd", help = "Specify task to execute. Note that this only executes the specified task for the providee and the packages it depends on, i.e. 'compile' does not implicitly call stage for the dependencies (IOW: use only if you know what you are doing). Depending on the base.bbclass a listtasks tasks is defined and will show available tasks",
               action = "store", dest = "cmd" )

    parser.add_option( "-r", "--read", help = "read the specified file before bitbake.conf",
               action = "append", dest = "file", default = [] )

    parser.add_option( "-v", "--verbose", help = "output more chit-chat to the terminal",
               action = "store_true", dest = "verbose", default = False )

    parser.add_option( "-D", "--debug", help = "Increase the debug level. You can specify this more than once.",
               action = "count", dest="debug", default = 0)

    parser.add_option( "-n", "--dry-run", help = "don't execute, just go through the motions",
               action = "store_true", dest = "dry_run", default = False )

    parser.add_option( "-p", "--parse-only", help = "quit after parsing the BB files (developers only)",
               action = "store_true", dest = "parse_only", default = False )

    parser.add_option( "-d", "--disable-psyco", help = "disable using the psyco just-in-time compiler (not recommended)",
               action = "store_true", dest = "disable_psyco", default = False )

    parser.add_option( "-s", "--show-versions", help = "show current and preferred versions of all packages",
               action = "store_true", dest = "show_versions", default = False )

    parser.add_option( "-e", "--environment", help = "show the global or per-package environment (this is what used to be bbread)",
               action = "store_true", dest = "show_environment", default = False )

    parser.add_option( "-g", "--graphviz", help = "emit the dependency trees of the specified packages in the dot syntax",
                action = "store_true", dest = "dot_graph", default = False )

    parser.add_option( "-I", "--ignore-deps", help = """Stop processing at the given list of dependencies when generating dependency graphs. This can help to make the graph more appealing""",
                action = "append", dest = "ignored_dot_deps", default = [] )

    parser.add_option( "-l", "--log-domains", help = """Show debug logging for the specified logging domains""",
                action = "append", dest = "debug_domains", default = [] )


    options, args = parser.parse_args( sys.argv )

    cooker = BBCooker()
    cooker.cook( BBConfiguration( options ), args[1:] )



if __name__ == "__main__":
    main()
    sys.exit(0)
    import profile
    profile.run('main()', "profile.log")
    import pstats
    p = pstats.Stats('profile.log')
    p.print_stats()