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

from django.utils.importlib import import_module

from optparse import make_option

from django.core.management.base import BaseCommand

from django.conf import settings

STATIC_FILES = getattr(settings, "STATIC_FILES", {})

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 = []

        for module, ns in STATIC_FILES.iteritems():

            module = import_module(module)

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

                                       'static')

            # no nested dir exists for the app

            if ns == '':

                for f in os.listdir(static_root):

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

                                     os.path.join(target, ns, f)))

            # symlink whole app directory

            else:

                symlinks.append((os.path.join(static_root),

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

        return symlinks

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

        self.stderr.write("The following synlinks will get created")

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

        for linkfrom, linkto in symlinks:

            self.stderr.write("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 linkfrom, linkto in symlinks:

                    self.stderr.write("Creating link from %s to %s"

                                      % (linkfrom, linkto))

                    if os.path.exists(linkto):

                        self.stderr.write("Skippig %s" % linkto)

                        continue

                    os.symlink(linkfrom, linkto)