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

Author: scoder

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',
-                        help='program passed in as string')
-    parser.add_argument('--python', metavar='PYTHON', dest='python', default=sys.executable,
-                        help='Python interpreter to use')
-    parser.add_argument('-X', metavar='NAME=VALUE', dest='directives', action='append',
-                        help='Compiler directives to set during compilation')
-    parser.add_argument('-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')
+    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_option('--python', metavar='PYTHON', dest='python', default=sys.executable,
+                      help='Python interpreter to use')
+    parser.add_option('-X', metavar='NAME=VALUE', dest='directives', action='append',
+                      help='Compiler directives to set during compilation')
+    parser.add_option('-V', '--version', action='store_true',
+                      help='print the Python and Cython version numbers and exit')
 
     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__':