paula.ploneexamples/src/paula/ploneexamples/Extensions/Install.py

   1 # Copyright (c) 2008 by Florian Friesdorf
   2 #
   3 # GNU Affero General Public License (AGPL)
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU Affero General Public License as
   7 # published by the Free Software Foundation; either version 3 of the
   8 # License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13 # GNU Affero General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU Affero General Public
  16 # License along with this program.  If not, see
  17 # <http://www.gnu.org/licenses/>.
  18 """
  19 """
  20 __author__ = "Florian Friesdorf <flo@chaoflow.net>"
  21 __docformat__ = "plaintext"
  22
  23 import transaction
  24 from Products.CMFCore.utils import getToolByName
  25
  26 PRODUCT_DEPENDENCIES = ()
  27
  28 EXTENSION_PROFILES = (
  29         'paula.ploneexamples:default',
  30         )
  31
  32 def install(self, reinstall=False):
  33     """Install a set of products (which themselves may either use Install.py
  34     or GenericSetup extension profiles for their configuration) and then
  35     install a set of extension profiles.
  36
  37     One of the extension profiles we install is that of this product. This
  38     works because an Install.py installation script (such as this one) takes
  39     precedence over extension profiles for the same product in
  40     portal_quickinstaller.
  41
  42     We do this because it is not possible to install other products during
  43     the execution of an extension profile (i.e. we cannot do this during
  44     the importVarious step for this profile).
  45     """
  46
  47     portal_quickinstaller = getToolByName(self, 'portal_quickinstaller')
  48     portal_setup = getToolByName(self, 'portal_setup')
  49
  50     for product in PRODUCT_DEPENDENCIES:
  51         if reinstall and portal_quickinstaller.isProductInstalled(product):
  52             portal_quickinstaller.reinstallProducts([product])
  53             transaction.savepoint()
  54         elif not portal_quickinstaller.isProductInstalled(product):
  55             portal_quickinstaller.installProduct(product)
  56             transaction.savepoint()
  57
  58     for extension_id in EXTENSION_PROFILES:
  59         portal_setup.runAllImportStepsFromProfile('profile-%s' % extension_id, purge_old=False)
  60         product_name = extension_id.split(':')[0]
  61         portal_quickinstaller.notifyInstalled(product_name)
  62         transaction.savepoint()