# Copyright (C) 2008-2010 Adam Olsen
#
# 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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#
# The developers of the Exaile media player hereby grant permission
# for non-GPL compatible GStreamer and Exaile plugins to be used and
# distributed together with GStreamer and Exaile. This permission is
# above and beyond the permissions granted by the GPL license by which
# Exaile is covered. If you modify this code, you may extend this
# exception to your version of the code, but you are not obligated to
# do so. If you do not wish to do so, delete this exception statement
# from your version.

# script to turn a plugin dir into a .exz file suitable for distribution

# takes one commandline parameter: the name of the plugin to build, which must
# be a subdirectory of the current directory

# outputs the built plugin to the current directory, overwriting any current
# build of that plugin

from optparse import OptionParser
p = OptionParser()
p.add_option("-c", "--compression", dest="compression",
        action="store", choices=("", "gz", "bz2"), default="bz2")
p.add_option("-e", "--ignore-extension", dest="extensions",
        action="append", default=(".pyc", ".pyo"))
p.add_option("-f", "--ignore-file", dest="files",
        action="append", default=("test.py"))
p.add_option("-O", "--output", dest="output",
        action="store", default="")
options, args = p.parse_args()

# allowed values: "", "gz", "bz2"
COMPRESSION = options.compression

# don't add files with these extensions to the archive
IGNORED_EXTENSIONS = options.extensions

# don't add files with this exact name to the archive
IGNORED_FILES = options.files

_ = lambda x: x


import sys, os, tarfile

for dir in args:

    if not os.path.exists(dir):
        print "No such folder %s" % dir
        break

    print "Making plugin %s..." % dir

    if not os.path.exists(os.path.join(dir, "PLUGININFO")):
        print "ERROR: no valid info for %s, skipping..." % dir
        continue

    f = open(os.path.join(dir, "PLUGININFO"))
    info = {}
    for line in f:
        try:
            key, val = line.split("=",1)
        except ValueError:
            continue
        key = key.strip()
        val = eval(val)
        info[key] = val
    f.close()

    if "Version" not in info:
        print "ERROR: couldn't get version for %s, skipping..." % dir
        continue


    tfile = tarfile.open(
            options.output + dir + "-%s.exz"%info["Version"],
            "w:%s"%COMPRESSION)
    tfile.posix = True # we like being standards-compilant

    for fold, subdirs, files in os.walk(dir):
        for file in files:
            stop = False
            for ext in IGNORED_EXTENSIONS:
                if file.endswith(ext):
                    stop = True
                    break
            if stop:
                continue
            for name in IGNORED_FILES:
                if file == name:
                    stop = True
                    break
            if stop:
                continue

            path = os.path.join(fold, file)
            tfile.add(path)

    tfile.close()

print "Done."
