Add create urandom device (IssueID #435)

pym/cl_builder.py

@@ -280,12 +280,39 @@ class cl_builder(color_print):
             updateMeta = self.runChroot(builderPath,"emerge --sync")
             self.printByResult(updateMeta.success())
 
+    def createUrandom(self,devPath):
+        """
+        Create urandom and other needed devices
+        """
+        createdDev = []
+        for node,mode,dmode,major,minor in [("urandom",0666,stat.S_IFCHR,1,9)]:
+            try:
+                nodePath = path.join(devPath,node)
+                if not path.exists(nodePath):
+                    os.mknod(nodePath,mode|dmode,os.makedev(major,minor))
+                    os.chmod(nodePath,mode)
+                    createdDev.append(node)
+            except:
+                pass
+
+    def removeUrandom(self,devPath,createdDev):
+        """
+        Remove urandom and other created devices
+        """
+        for dev in createdDev:
+            try:
+                os.unlink(path.join(devPath,'dev',dev)
+            except:
+                pass
+
     def prepareSourceDistributive(self,distr):
         """Unmount all bind,proc mount points from source distribute"""
         mp = self.clVars.Get('cl_builder_path')
+        createdDev = self.createUrandom(mp)
         self.dispatchConf(mp)
         self.updatePortage(mp)
         self.updateMan(mp)
+        self.removeUrandom(mp,createdDev)
 
         # unmount all from source distribute
         mps = filter(lambda x:x!=mp,map(lambda x:x[1],childMounts(mp)))