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

native_client_sdk/src/tools/decode_dump.py

Index: native_client_sdk/src/tools/decode_dump.py
diff --git a/native_client_sdk/src/tools/decode_dump.py b/native_client_sdk/src/tools/decode_dump.py
index 74d07a03fb6699d059d7cd36c4d8a114ee23eeb9..1adc0a5854014c76513cd31047080f63748dbdd7 100755
--- a/native_client_sdk/src/tools/decode_dump.py
+++ b/native_client_sdk/src/tools/decode_dump.py
@@ -9,7 +9,7 @@ Currently this produces a simple stack trace.
 """
 
 import json
-import optparse
+import argparse

[binji, 2014/11/13 23:57:03]

sort

[Sam Clegg, 2014/11/30 17:55:12]

Done.

 import os
 import posixpath
 import subprocess
@@ -177,18 +177,18 @@ class CoreDecoder(object):
 
 
 def Main(args):
-  parser = optparse.OptionParser(
+  parser = argparse.ArgumentParser(
       usage='USAGE: %prog [options] <core.json>')

[binji, 2014/11/13 23:57:03]

remove usage

[Sam Clegg, 2014/11/30 17:55:12]

Done.

-  parser.add_option('-m', '--main-nexe', dest='main_nexe',
+  parser.add_argument('-m', '--main-nexe', dest='main_nexe',
                     help='nexe to resolve NaClMain references from')
-  parser.add_option('-n', '--nmf', dest='nmf_filename', default='-',
+  parser.add_argument('-n', '--nmf', dest='nmf_filename', default='-',
                     help='nmf to resolve references from')
-  parser.add_option('-a', '--addr2line', dest='addr2line',
+  parser.add_argument('-a', '--addr2line', dest='addr2line',
                     help='path to appropriate addr2line')
-  parser.add_option('-L', '--library-path', dest='library_paths',
+  parser.add_argument('-L', '--library-path', dest='library_paths',
                     action='append', default=[],
                     help='path to search for shared libraries')
-  parser.add_option('-p', '--platform', dest='platform',
+  parser.add_argument('-p', '--platform', dest='platform',
                     help='platform in a style match nmf files')
   options, args = parser.parse_args(args)

[binji, 2014/11/13 23:57:03]

options = ...

[Sam Clegg, 2014/11/30 17:55:12]

Done.

   if len(args) != 1:

[binji, 2014/11/13 23:57:03]

add positional arg

[Sam Clegg, 2014/11/30 17:55:12]

Done.