#!/usr/bin/env python2.4

import sys
import os
import site
import optparse

if sys.version_info < (2, 4):
    print >> sys.stderr, '%s: need Python 2.4 or later.' % sys.argv[0]
    print >> sys.stderr, 'Your python is %s' % sys.version
    sys.exit(1)

# Parse Options
parser = optparse.OptionParser(usage="usage: %prog [options]")
parser.add_option("-i", "--install", dest="INSTALL", action="store_true",
                  default=False, help=("Automatically enable new plugins.\n"
                                       "(Use --force to avoid prompts)"))
parser.add_option("-f", "--force", dest="FORCE", action="store_true",
                  default=False, help=("Automatically enable newly installed plugins\n"
                                       "without prompting.  (Use with --install)"))
(options, args) = parser.parse_args()

here = os.path.dirname(os.path.realpath(__file__))
plugins_available = os.path.join(here, 'plugins_available')
plugins_enabled = os.path.join(here, 'plugins_enabled')
eggs = os.path.join(here, 'eggs')
src = os.path.join(here, 'src')

egg_files = filter(lambda x: x.endswith('.egg'), sys.argv) 
for egg in egg_files:
    cmd = 'PYTHONPATH=%s:%s easy_install-2.4 -S %s --install-dir=%s %s' % (eggs, src,
                                                                 eggs, eggs, egg)
    print cmd
    os.system(cmd)

print """
*********************************
**                             **
**      PLUGINS AVAILABLE      **
**                             **
*********************************

The following plugins are now available:
"""
for egg in filter(lambda x: x.endswith('.egg'), sys.argv):
    print "   ", os.path.split(egg)[-1]

if not options.INSTALL:
    print """
These plugins must now be enabled.  To enable them, create
a symbolic link to the appropriate *-configure.zcml
in the plugins_available directory and put it into the
plugins_enabled directory.
"""

print ""

for egg in [os.path.split(f)[-1] for f in egg_files]:
    for root, dirs, files in os.walk(os.path.join(eggs, egg)):
        slugs = filter(lambda x: x.endswith("-configure.zcml"), files)
        for slug in slugs:
            cmd = 'cp %s %s' % (os.path.join(root, slug), os.path.join(plugins_available, slug))
            os.system(cmd)
            if options.INSTALL:
                if not options.FORCE:
                    install = raw_input("\n\nShould I enable the %s package (y/n): " % slug[:-15])
                    print
                else:
                    install = 'y'
                if install.lower() == 'y':
                    cmd = 'cp %s %s' % (os.path.join(plugins_available, slug),
                                        os.path.join(plugins_enabled, slug))
                    print cmd
                    os.system(cmd)