third_party/WebKit/Source/devtools/scripts/compiler-runner/build_compiler_runner_jar.py

   1 #!/usr/bin/python
   2
   3 import os
   4 import shutil
   5 import subprocess
   6 import sys
   7 import tempfile
   8
   9
  10 def rel_to_abs(rel_path):
  11     return os.path.join(script_path, rel_path)
  12
  13
  14 java_bin_path = os.getenv('JAVA_HOME', '')
  15 if java_bin_path:
  16     java_bin_path = os.path.join(java_bin_path, 'bin')
  17
  18 main_class = 'org.chromium.devtools.compiler.Runner'
  19 jar_name = 'closure-runner.jar'
  20 src_dir = 'src'
  21 script_path = os.path.dirname(os.path.abspath(__file__))
  22 closure_jar_relpath = os.path.join('..', 'closure', 'compiler.jar')
  23 src_path = rel_to_abs(src_dir)
  24
  25
  26 def run_and_communicate(command, error_template):
  27     proc = subprocess.Popen(command, stdout=subprocess.PIPE, shell=True)
  28     proc.communicate()
  29     if proc.returncode:
  30         print >> sys.stderr, error_template % proc.returncode
  31         sys.exit(proc.returncode)
  32
  33
  34 def build_artifacts():
  35     print 'Compiling...'
  36     java_files = []
  37     for root, dirs, files in sorted(os.walk(src_path)):
  38         for file_name in files:
  39             java_files.append(os.path.join(root, file_name))
  40
  41     bin_path = tempfile.mkdtemp()
  42     manifest_file = tempfile.NamedTemporaryFile(mode='wt', delete=False)
  43     try:
  44         manifest_file.write('Class-Path: %s\n' % closure_jar_relpath)
  45         manifest_file.close()
  46         javac_path = os.path.join(java_bin_path, 'javac')
  47         javac_command = '%s -d %s -cp %s %s' % (javac_path, bin_path, rel_to_abs(closure_jar_relpath), ' '.join(java_files))
  48         run_and_communicate(javac_command, 'Error: javac returned %d')
  49
  50         print 'Building jar...'
  51         artifact_path = rel_to_abs(jar_name)
  52         jar_path = os.path.join(java_bin_path, 'jar')
  53         jar_command = '%s cvfme %s %s %s -C %s .' % (jar_path, artifact_path, manifest_file.name, main_class, bin_path)
  54         run_and_communicate(jar_command, 'Error: jar returned %d')
  55     finally:
  56         os.remove(manifest_file.name)
  57         shutil.rmtree(bin_path, True)
  58
  59
  60 def help():
  61     print 'usage: %s' % os.path.basename(__file__)
  62     print 'Builds compiler-runner.jar from the %s directory contents' % src_dir
  63
  64
  65 def main():
  66     if len(sys.argv) > 1:
  67         help()
  68         return
  69     build_artifacts()
  70     print 'Done.'
  71
  72 if __name__ == '__main__':
  73     main()