scripts/build/common.py

   1 # -*- coding: utf-8 -*-
   2
   3 #-------------------------------------------------------------------------
   4 # drawElements Quality Program utilities
   5 # --------------------------------------
   6 #
   7 # Copyright 2015 The Android Open Source Project
   8 #
   9 # Licensed under the Apache License, Version 2.0 (the "License");
  10 # you may not use this file except in compliance with the License.
  11 # You may obtain a copy of the License at
  12 #
  13 #      http://www.apache.org/licenses/LICENSE-2.0
  14 #
  15 # Unless required by applicable law or agreed to in writing, software
  16 # distributed under the License is distributed on an "AS IS" BASIS,
  17 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18 # See the License for the specific language governing permissions and
  19 # limitations under the License.
  20 #
  21 #-------------------------------------------------------------------------
  22
  23 import os
  24 import shlex
  25 import subprocess
  26
  27 DEQP_DIR = os.path.realpath(os.path.normpath(os.path.join(os.path.dirname(__file__), "..", "..")))
  28
  29 def die (msg):
  30         print(msg)
  31         exit(-1)
  32
  33 def shellquote(s):
  34         return '"%s"' % s.replace('\\', '\\\\').replace('"', '\"').replace('$', '\$').replace('`', '\`')
  35
  36 g_workDirStack = []
  37
  38 def pushWorkingDir (path):
  39         oldDir = os.getcwd()
  40         os.chdir(path)
  41         g_workDirStack.append(oldDir)
  42
  43 def popWorkingDir ():
  44         assert len(g_workDirStack) > 0
  45         newDir = g_workDirStack[-1]
  46         g_workDirStack.pop()
  47         os.chdir(newDir)
  48
  49 def execute (args):
  50         retcode = subprocess.call(args)
  51         if retcode != 0:
  52                 raise Exception("Failed to execute '%s', got %d" % (str(args), retcode))
  53
  54 def readFile (filename):
  55         f = open(filename, 'rb')
  56         data = f.read()
  57         f.close()
  58         return data
  59
  60 def writeFile (filename, data):
  61         f = open(filename, 'wb')
  62         f.write(data)
  63         f.close()
  64
  65 def which (binName):
  66         for path in os.environ['PATH'].split(os.pathsep):
  67                 path = path.strip('"')
  68                 fullPath = os.path.join(path, binName)
  69                 if os.path.isfile(fullPath) and os.access(fullPath, os.X_OK):
  70                         return fullPath
  71
  72         return None