# cerbero - a multi-platform build system for Open Source software
# Copyright (C) 2013 Andoni Morales Alastruey <ylatuya@gmail.com>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import os

from cerbero.config import Platform
from cerbero.utils import shell


class ObjdumpLister():

    def list_deps():
        pass


class OtoolLister():

    def list_deps(path):
        pass


class LddLister():

    def list_deps(self, prefix,  path):
        files = shell.check_call('ldd %s' % path).split('\n')
        return [x.split(' ')[2] for x in files if prefix in x]


class DepsTracker():

    BACKENDS = {
        Platform.WINDOWS: ObjdumpLister,
        Platform.LINUX: LddLister,
        Platform.DARWIN: OtoolLister}

    def __init__(self, platform, prefix):
        self.libs_deps = {}
        self.prefix = prefix
        if self.prefix[:-1] != '/':
            self.prefix += '/'
        self.lister = self.BACKENDS[platform]()

    def list_deps(self, path):
        deps = self.lister.list_deps(self.prefix, path)
        rdeps = []
        for d in deps:
            if os.path.islink(d):
                rdeps.append(os.path.realpath(d))
        return [x.replace(self.prefix, '') for x in deps + rdeps]

Add a new tool to list libraries deps
Add a new tool to list libraries deps
