let pcython script parse the main script arguments and pass them on instead of...

let pcython script parse the main script arguments and pass them on instead of incorrectly rejecting them as unknown

bin/pcython

@@ -12,18 +12,17 @@ import subprocess
 
 
 def parse_args(args=None):
-    import argparse
-    parser = argparse.ArgumentParser(description='Run a Python command line with Cython')
-    parser.add_argument('-c', metavar='CODE', dest='command',
+    import optparse  # tried argparse, but it doesn't stop at the first (interspersed) positional argument
+    parser = optparse.OptionParser(description='Run a Python command line with Cython')
+    parser.disable_interspersed_args()
+    parser.add_option('-c', metavar='CODE', dest='command',
                       help='program passed in as string')
-    parser.add_argument('--python', metavar='PYTHON', dest='python', default=sys.executable,
+    parser.add_option('--python', metavar='PYTHON', dest='python', default=sys.executable,
                       help='Python interpreter to use')
-    parser.add_argument('-X', metavar='NAME=VALUE', dest='directives', action='append',
+    parser.add_option('-X', metavar='NAME=VALUE', dest='directives', action='append',
                       help='Compiler directives to set during compilation')
-    parser.add_argument('-V', '--version', action='store_true',
+    parser.add_option('-V', '--version', action='store_true',
                       help='print the Python and Cython version numbers and exit')
-    parser.add_argument('file_args', nargs='*',
-                        help='program read from script file')
 
     return parser.parse_args(args)
 
@@ -86,21 +85,21 @@ def run_python_file(python, file_args, directives=None):
 
 
 def main():
-    args = parse_args()
-    python = args.python
+    options, args = parse_args()
+    python = options.python
 
-    if args.version:
+    if options.version:
         print_versions(python)
         return
 
-    if args.command:
-        run_cython_command(python, args.command, args.file_args)
+    if options.command:
+        run_cython_command(python, options.command, args)
 
-    if args.file_args:
-        if args.file_args[0] == '-':
-            run_python_stdin(python, args.file_args[1:], args.directives)
+    if args:
+        if args[0] == '-':
+            run_python_stdin(python, args[1:], options.directives)
         else:
-            run_python_file(python, args.file_args, args.directives)
+            run_python_file(python, args, options.directives)
 
 
 if __name__ == '__main__':