applied the except and raise fixers to the master branch to close the gap with py3
[nepi.git] / src / nepi / resources / linux / ccn / ccncontent.py
index 9d531de..da8c2ab 100644 (file)
@@ -3,9 +3,8 @@
 #    Copyright (C) 2013 INRIA
 #
 #    This program 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 under the terms of the GNU General Public License version 2 as
+#    published by the Free Software Foundation;
 #
 #    This program is distributed in the hope that it will be useful,
 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -19,7 +18,7 @@
 
 from nepi.execution.attribute import Attribute, Flags, Types
 from nepi.execution.resource import clsinit_copy, ResourceState, \
-    ResourceAction, reschedule_delay
+    ResourceAction
 from nepi.resources.linux.application import LinuxApplication
 from nepi.resources.linux.ccn.ccnr import LinuxCCNR
 from nepi.util.timefuncs import tnow
@@ -28,17 +27,17 @@ import os
 
 @clsinit_copy
 class LinuxCCNContent(LinuxApplication):
-    _rtype = "LinuxCCNContent"
+    _rtype = "linux::CCNContent"
 
     @classmethod
     def _register_attributes(cls):
         content_name = Attribute("contentName",
                 "The name of the content to publish (e.g. ccn:/VIDEO) ",
-                flags = Flags.ExecReadOnly)
+                flags = Flags.Design)
 
         content = Attribute("content",
                 "The content to publish. It can be a path to a file or plain text ",
-                flags = Flags.ExecReadOnly)
+                flags = Flags.Design)
 
         scope = Attribute("scope",
                 "Use the given scope on the start-write request (if -r specified). "
@@ -46,7 +45,7 @@ class LinuxCCNContent(LinuxApplication):
                 "Note that a scope of 3 is encoded as the absence of any scope in the interest. ",
                 type = Types.Integer,
                 default = 1,
-                flags = Flags.ExecReadOnly)
+                flags = Flags.Design)
 
         cls._register_attribute(content_name)
         cls._register_attribute(content)
@@ -58,7 +57,7 @@ class LinuxCCNContent(LinuxApplication):
         
     @property
     def ccnr(self):
-        ccnr = self.get_connected(LinuxCCNR.rtype())
+        ccnr = self.get_connected(LinuxCCNR.get_rtype())
         if ccnr: return ccnr[0]
         return None
 
@@ -72,37 +71,31 @@ class LinuxCCNContent(LinuxApplication):
         if self.ccnr: return self.ccnr.node
         return None
 
-    def deploy(self):
+    def do_deploy(self):
         if not self.ccnr or self.ccnr.state < ResourceState.READY:
             self.debug("---- RESCHEDULING DEPLOY ---- node state %s " % self.node.state )
             
             # ccnr needs to wait until ccnd is deployed and running
-            self.ec.schedule(reschedule_delay, self.deploy)
+            self.ec.schedule(self.reschedule_delay, self.deploy)
         else:
-            try:
-                if not self.get("command"):
-                    self.set("command", self._start_command)
+            if not self.get("command"):
+                self.set("command", self._start_command)
 
-                if not self.get("env"):
-                    self.set("env", self._environment)
+            if not self.get("env"):
+                self.set("env", self._environment)
 
-                # set content to stdin, so the content will be
-                # uploaded during provision
-                self.set("stdin", self.get("content"))
+            # set content to stdin, so the content will be
+            # uploaded during provision
+            self.set("stdin", self.get("content"))
 
-                command = self.get("command")
+            command = self.get("command")
+
+            self.info("Deploying command '%s' " % command)
 
-                self.info("Deploying command '%s' " % command)
+            self.do_discover()
+            self.do_provision()
 
-                self.discover()
-                self.provision()
-            except:
-                self.fail()
-                raise
-            self.debug("----- READY ---- ")
-            self._ready_time = tnow()
-            self._state = ResourceState.READY
+            self.set_ready()
 
     def upload_start_command(self):
         command = self.get("command")
@@ -118,31 +111,24 @@ class LinuxCCNContent(LinuxApplication):
         env = self.replace_paths(env)
         command = self.replace_paths(command)
 
-        (out, err), proc = self.execute_command(command, env, 
-                blocking = True)
+        (out, err), proc = self.execute_command(command, 
+                env, blocking = True)
 
         if proc.poll():
-            self.fail()
             msg = "Failed to execute command"
             self.error(msg, out, err)
-            raise RuntimeError, msg
+            raise RuntimeError(msg)
 
-    def start(self):
-        if self._state == ResourceState.READY:
+    def do_start(self):
+        if self.state == ResourceState.READY:
             command = self.get("command")
             self.info("Starting command '%s'" % command)
 
-            self._start_time = tnow()
-            self._state = ResourceState.STARTED
+            self.set_started()
         else:
             msg = " Failed to execute command '%s'" % command
             self.error(msg, out, err)
-            self._state = ResourceState.FAILED
-            raise RuntimeError, msg
-
-    @property
-    def state(self):
-        return self._state
+            raise RuntimeError(msg)
 
     @property
     def _start_command(self):