Source Code for Module Products.ZenUtils.Skins

  1  ########################################################################### 
  2  # 
  3  # This program is part of Zenoss Core, an open source monitoring platform. 
  4  # Copyright (C) 2007, Zenoss Inc. 
  5  # 
  6  # This program is free software; you can redistribute it and/or modify it 
  7  # under the terms of the GNU General Public License version 2 as published by 
  8  # the Free Software Foundation. 
  9  # 
 10  # For complete information please visit: http://www.zenoss.com/oss/ 
 11  # 
 12  ########################################################################### 
 13  import os 
 14  import string  
 15  import warnings 
 16   
 17  warnings.filterwarnings('ignore', '.*non-existing path.*', 
 18                          UserWarning, 
 19                          '.*DirectoryView.*') 
 20   
 21 -def findZenPackRoot(base): 
 22      """ 
 23      Search upwards for the root of a ZenPack. 
 24      """ 
 25      p = d = os.path.realpath(base) 
 26      while d: 
 27          if os.path.isdir(os.path.join(p, 'ZenPacks')): 
 28              # Ditch version and extension if an egg 
 29              if p.endswith('.egg'): 
 30                  p = p.split('-')[0] 
 31              return p 
 32          p, d = os.path.split(p) 
 33      return None 
 34   
 35   
 36 -def skinDirs(base): 
 37      layers = [] 
 38      for p, ds, fs in os.walk(os.path.join(base, 'skins')): 
 39          for d in ds: 
 40              if not d.startswith('.'): 
 41                  layers.append(d) 
 42          # stop at one level 
 43          break 
 44      return layers 
 45   
 46   
 47 -def registerSkin(self, base, positionAfter='custom'): 
 48      """setup the skins in a product""" 
 49      layers = skinDirs(base) 
 50      try: 
 51          from Products.CMFCore.utils import getToolByName 
 52          from Products.CMFCore.DirectoryView import addDirectoryViews 
 53          skinstool = getToolByName(self, 'portal_skins') 
 54          for layer in layers: 
 55              if layer not in skinstool.objectIds(): 
 56                  path = os.path.join(base, 'skins') 
 57                  if not os.path.exists(path): os.mkdir(path, mode=0755) 
 58                  root = findZenPackRoot(path).split('/')[-1] 
 59                  addDirectoryViews(skinstool, path, dict(__name__=root)) 
 60          skins = skinstool.getSkinSelections() 
 61          for skin in skins: 
 62              path = skinstool.getSkinPath(skin) 
 63              path = map(string.strip, string.split(path,',')) 
 64              for layer in layers: 
 65                  if layer not in path: 
 66                      try: 
 67                          path.insert(path.index(positionAfter)+1, layer) 
 68                      except ValueError: 
 69                          path.append(layer) 
 70              path = ','.join(path) 
 71              skinstool.addSkinSelection(skin, path) 
 72      except ImportError, e: 
 73          if "Products.CMFCore.utils" in e.args: pass 
 74          else: raise 
 75      except AttributeError, e: 
 76          if "portal_skin" in e.args: pass 
 77          else: raise 
 78   
 79 -def unregisterSkin(self, base, positionAfter='custom'): 
 80      """setup the skins in a product""" 
 81      from Products.ZenUtils.Utils import unused 
 82      unused(positionAfter) 
 83      layers = skinDirs(base) 
 84      if layers is None: return 
 85      try: 
 86          from Products.CMFCore.utils import getToolByName 
 87          skinstool = getToolByName(self, 'portal_skins') 
 88          for layer in layers: 
 89              if layer in skinstool.objectIds(): 
 90                  try: 
 91                      skinstool._delOb(layer) 
 92                  except AttributeError: 
 93                      pass 
 94          obs = skinstool._objects 
 95          goodlayers = filter(lambda x:getattr(skinstool, x['id'], False), obs) 
 96          skinstool._objects = tuple(goodlayers) 
 97      except ImportError, e: 
 98          if "Products.CMFCore.utils" in e.args: pass 
 99          else: raise 
100      except AttributeError, e: 
101          if "portal_skin" in e.args: pass 
102          else: raise 
103