1 files changed, 70 insertions, 0 deletions
diff --git a/src/backend/VentooModule.py b/src/backend/VentooModule.py
new file mode 100644
index 0000000..77a81ea
--- /dev/null
+++ b/src/backend/VentooModule.py
@@ -0,0 +1,70 @@
+"""
+
+    This file is part of the Ventoo program.
+
+    This is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    It is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this software.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2010 Christopher Harvey
+
+"""
+
+import os.path as osp
+from lxml import etree
+
+_ventoo_search_paths_ = ['../modules', '../../modules']
+
+class VentooModule:
+    def __init__(self, moduleName):
+        #see if we can find the module files
+        found = False;
+        for p in _ventoo_search_paths_:
+            thisPath = osp.join(p,moduleName,"main.xml")
+            if osp.isfile(thisPath):
+                self.pathFound = thisPath
+                found = True
+                break
+        if not found:
+            raise RuntimeError('Could not find '+moduleName+' Module')
+        self.xmlTree = etree.parse(self.pathFound)
+        #validate the module main.xml file.
+        #make sure it starts with <VentooModule>
+        self.xmlRoot = self.xmlTree.getroot()
+        if self.xmlRoot.tag != "VentooModule":
+            raise RuntimeError('Ventoo modules need to start with <VentooModule>')
+        
+        
+    def getChildrenOf(self, xPath):
+        children = self.xmlTree.xpath(osp.join(xPath, '*'))
+        ret = []
+        for i in range(len(children)):
+            if not children[i].tag.startswith('ventoo_'):
+                ret.extend([children[i]])
+        return ret
+
+    def getMultOf(self, xPath):
+        elem = self.xmlTree.xpath(osp.join(xPath))
+        if len(elem) >= 1:
+            return elem[0].get("mult")
+        else:
+            return '0'
+
+    def getDocURLOf(self, xPath):
+        try:
+            elem = self.xmlTree.xpath(osp.join(xPath))
+            if len(elem) >= 1:
+                return elem[0].get("docurl")
+        except etree.XPathEvalError:
+            pass
+        return None
+