[NaCl SDK] Convert python scripts from optparse to argparse.

native_client_sdk/src/build_tools/dsc2gyp.py

Index: native_client_sdk/src/build_tools/dsc2gyp.py
diff --git a/native_client_sdk/src/build_tools/dsc2gyp.py b/native_client_sdk/src/build_tools/dsc2gyp.py
index 387ecbcddafde5e1db880a1a291aa24ccbc6e76c..51271fc29da688e787132a480634be857559d979 100755
--- a/native_client_sdk/src/build_tools/dsc2gyp.py
+++ b/native_client_sdk/src/build_tools/dsc2gyp.py
@@ -5,7 +5,7 @@
 import StringIO
 import sys
 import os
-import optparse
+import argparse

[binji, 2014/11/13 23:57:01]

sort

[Sam Clegg, 2014/11/30 17:55:11]

Done.

 
 SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
 sys.path.append(os.path.join(os.path.dirname(SCRIPT_DIR), 'tools'))
@@ -359,20 +359,19 @@ def ProcessDSC(filename, outfile=None):
 
 
 def main(args):
-  parser = optparse.OptionParser()
-  parser.add_option('-o', help='Set output filename.', dest='output')
-  options, args = parser.parse_args(args)
-  if not args:
-    Error('No .dsc file specified.')
+  parser = argparse.ArgumentParser()
+  parser.add_argument('-o', help='Set output filename.', dest='output')
+  parser.add_argument('dsc', help='dsc to convert')
+  options = parser.parse_args(args)
 
   if options.output:
     outdir = os.path.dirname(options.output)
     if not os.path.exists(outdir):
       os.makedirs(outdir)
 
-  assert len(args) == 1
-  ProcessDSC(args[0], options.output)
+  ProcessDSC(options.dsc, options.output)
+  return 0
 
 
 if __name__ == '__main__':
-  main(sys.argv[1:])
+  sys.exit(main(sys.argv[1:]))