old_contents: # Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  import re
  
  
  def escape(input):
      o = input.replace("\n", "")
      o = o.replace("\r", "")
      return o
  
  
  def main():
      logfile = sys.argv[1]
      started = set()
      passed = set()
      with open(logfile, "r") as fn:
          for l in fn.readlines():
              if l.find("Test ") != -1 and \
                  l.find("Passed") != -1:
                  m = re.search("Test\s+#[0-9]*\:\s([a-z0-9_]+)", escape(l))
                  passed.add(m.group(1))
              if l.find("Start ") != -1:
                  start_parts = escape(l).split(" ")
                  m = re.search("Start\s+[0-9]+\:\s([a-z0-9_]+)", escape(l))
                  started.add(m.group(1))
      print "Diff: ", started - passed
  
  
  if __name__ == "__main__":
      main()
  
new_contents: # Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  import re
  
  
  def escape(input):
      o = input.replace("\n", "")
      o = o.replace("\r", "")
      return o
  
  
  def main():
      usage = """Usage:
  1. Download the Paddle_PR_CI_*.log from TeamCity
  2. run: python check_ctest_hung.py Paddle_PR_CI_*.log
  3. If there is hung ctest, the result likes:
  Diff:  set(['test_parallel_executor_crf'])
      """
      if len(sys.argv) < 2:
          print(usage)
          exit(0)
  
      logfile = sys.argv[1]
      started = set()
      passed = set()
      with open(logfile, "r") as fn:
          for l in fn.readlines():
              if l.find("Test ") != -1 and \
                  l.find("Passed") != -1:
                  m = re.search("Test\s+#[0-9]*\:\s([a-z0-9_]+)", escape(l))
                  passed.add(m.group(1))
              if l.find("Start ") != -1:
                  start_parts = escape(l).split(" ")
                  m = re.search("Start\s+[0-9]+\:\s([a-z0-9_]+)", escape(l))
                  started.add(m.group(1))
      print "Diff: ", started - passed
  
  
  if __name__ == "__main__":
      main()
  
subject: add usage