[telemetry] Script for finding all Telemetry dependencies.

tools/telemetry/telemetry/core/util.py

 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 import inspect
 import logging
 import os
 import socket
 import sys
 import time
 
 
 class TimeoutException(Exception):
   pass
 
 
 def GetBaseDir():
   main_module = sys.modules['__main__']
   if hasattr(main_module, '__file__'):
-    return os.path.dirname(os.path.abspath(main_module.__file__))
+    return os.path.dirname(os.path.realpath(main_module.__file__))
   else:
     return os.getcwd()
 
 
 def GetTelemetryDir():
   return os.path.normpath(os.path.join(
-      __file__, os.pardir, os.pardir, os.pardir))
+      os.path.realpath(__file__), os.pardir, os.pardir, os.pardir))
 
 
 def GetUnittestDataDir():
   return os.path.join(GetTelemetryDir(), 'unittest_data')
 
 
 def GetChromiumSrcDir():
   return os.path.normpath(os.path.join(GetTelemetryDir(), os.pardir, os.pardir))
 
 
@@ skipping 114 matching lines @@
   chrome_root = GetChromiumSrcDir()
   for build_dir, build_type in GetBuildDirectories():
     candidate = os.path.join(chrome_root, build_dir, build_type, binary_name)
     if os.path.isfile(candidate) and os.access(candidate, required_mode):
       candidate_mtime = os.stat(candidate).st_mtime
       if candidate_mtime > command_mtime:
         command = candidate
         command_mtime = candidate_mtime
 
   return command