X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/6df771b5f7e744c650b73f8548ab41152c0185eb..4c1d3d2f5cf39f72bf85041a6ba6665350ea742e:/lib/python/Components/Task.py

diff --git a/lib/python/Components/Task.py b/lib/python/Components/Task.py
index 04e5c938..86bd233e 100644
--- a/lib/python/Components/Task.py
+++ b/lib/python/Components/Task.py
@@ -131,6 +131,7 @@ class Task(object):
 		self.task_progress_changed = None
 		self.output_line = ""
 		job.addTask(self)
+		self.container = None
 
 	def setCommandline(self, cmd, args):
 		self.cmd = cmd
@@ -211,7 +212,8 @@ class Task(object):
 		self.finish()
 
 	def abort(self):
-		self.container.kill()
+		if self.container:
+			self.container.kill()
 		self.finish(aborted = True)
 
 	def finish(self, aborted = False):
@@ -368,12 +370,14 @@ class DiskspacePrecondition(Condition):
 class ToolExistsPrecondition(Condition):
 	def check(self, task):
 		import os
-		if task.cmd[0]=='/':
-			realpath = task.cmd
-		else:
-			realpath = task.cwd + '/' + task.cmd
-		self.realpath = realpath
-		return os.access(realpath, os.X_OK)
+		
+		self.realpath = task.cmd
+		path = os.environ.get('PATH', '').split(os.pathsep)
+		absolutes = filter(lambda file: os.access(file, os.X_OK), map(lambda directory, file = task.cmd: os.path.join(directory, file), path))
+		if len(absolutes) > 0:
+			self.realpath = task.cmd[0]
+			return True
+		return False 
 
 	def getErrorMessage(self, task):
 		return _("A required tool (%s) was not found.") % (self.realpath)