#

# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

# All rights reserved.

# This component and the accompanying materials are made available

# under the terms of "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Nokia Corporation - initial contribution.

#

# Contributors:

#

# Description: 

#

# Script for generating the egg-info directories for all needed plug-ins.

#

# This is needed, because running some of the tests from Eclipse or

# command line requires the egg-info dirs to be present for the plug-ins

# to be found.

import sys, os, subprocess, shutil

ROOT_PATH = os.path.dirname(os.path.abspath(__file__))

DEBUG = False

def generate_egg_info(path):

    """Generate egg-info for the given plug-in path if possible and necessary."""

    if not os.path.isdir(path) or "setup.py" not in os.listdir(path):

        return

    # Check if egg-info has already been generated

    for name in os.listdir(path):

        egg_info_path = os.path.join(path, name)

        if os.path.isdir(egg_info_path) and name.endswith('.egg-info'):

            # xxx.egg-info is present in the directory, check if it is old

            setup_py_path = os.path.join(path, 'setup.py')

            if os.stat(setup_py_path).st_mtime < os.stat(egg_info_path).st_mtime:

                if DEBUG: print "No need to generate egg-info for '%s'" % path

                return

            else:

                if DEBUG: print "egg-info for '%s' is out of date, removing old and generating new" % path

                shutil.rmtree(egg_info_path)

    # Run the egg-info generation command

    orig_workdir = os.getcwd()

    try:

        if DEBUG: print "Generating egg-info for '%s'..." % path

        os.chdir(path)

        p = subprocess.Popen("python setup.py egg_info", shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

        out, err = p.communicate()

        if p.returncode != 0:

            print >>sys.stderr, "Could not generate egg-info for '%s'!" % path

            print >>sys.stderr, "Command stdout output:"

            print >>sys.stderr, out

            print >>sys.stderr, "Command stderr output:"

            print >>sys.stderr, err

        else:

            if DEBUG:

                print "Done"

                print "Command output:"

                print out

    finally:

        os.chdir(orig_workdir)