Synnefo

# Copyright 2011 GRNET S.A. All rights reserved.

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"""

Collect static files required by synnefo to a specific location

"""

import os, shutil

from django.utils.importlib import import_module

from optparse import make_option

from django.core.management.base import BaseCommand, CommandError

from django.conf import settings

STATIC_FILES = {

    'synnefo.ui': '',

    'synnefo.admin': 'admin',

}

class Command(BaseCommand):

    help = 'Symlink static files to directory specified'

    option_list = BaseCommand.option_list + (

        make_option('--static-root',

            action='store',

            dest='static_root',

            default=settings.MEDIA_ROOT,

            help='Path to place symlinks (default: `%s`)' % settings.MEDIA_ROOT),

        make_option('--dry-run',

            action='store_true',

            dest='dry',

            default=False,

            help='Do not actually create symlinks'),

        )

    def collect_files(self, target):

        symlinks = []

        dirs_to_create = set()

        for module, ns in STATIC_FILES.iteritems():

            module = import_module(module)

            static_root = os.path.join(os.path.dirname(module.__file__), 'static')

            for f in os.listdir(static_root):

                symlinks.append((os.path.join(static_root, f), os.path.join(target, ns, f)))

                if not os.path.exists(os.path.join(target, ns)):

                    dirs_to_create.add(os.path.join(target, ns))

        return symlinks, dirs_to_create

    def handle(self, *args, **options):

        print "The following synlinks will get created"

        symlinks, dirs_to_create = self.collect_files(options['static_root'])

        for linkfrom, linkto in symlinks:

            print "Symlink '%s' to '%s' will get created." % (linkfrom, linkto)

        if not options['dry']:

            confirm = raw_input("""

Are you soure you want to continue ?

Type 'yes' to continue, or 'no' to cancel: """)

            if confirm == "yes":

                for d in dirs_to_create:

                    os.mkdir(d)

                for linkfrom, linkto in symlinks:

                    print "Creating link from %s to %s" % (linkfrom, linkto)

                    os.symlink(linkfrom, linkto)