Use argparse for bin/doctest

bin/doctest

@@ -15,48 +15,51 @@ blacklist = []
 
 import sys
 import os
-from optparse import OptionParser
+from argparse import ArgumentParser
 import re
 
 from get_sympy import path_hack
 path_hack()
 
-parser = OptionParser()
-parser.add_option("-v", "--verbose", action="store_true", dest="verbose",
-        default=False)
 
-# if you don't see a -n `default=False`;
-# if you do see a -n `store_true` means to store a True value for it;
-# dest is where in options to put it, options.normal will hold the bool;
-# when the user enters -h or --help, print the `help` text
-parser.add_option("-n", "--normal", action="store_true", dest="normal",
-        help="run normal doctests; do not require explicit imports", default=False)
-parser.add_option('-t', '--types', dest='types', action='store',
-        default=None, choices=['gmpy', 'gmpy1', 'python'],
-        help='setup ground types: gmpy | gmpy1 | python')
-parser.add_option("--no-colors", action="store_false", dest="colors",
-        default=True, help="Do not report colored [OK] and [FAIL]")
-parser.add_option("--force-colors", action="store_true", dest="force_colors",
-        default=False, help="Always use colors, even if the output is not to a terminal.")
-parser.add_option('-C', '--no-cache', dest='cache', action='store_false',
-        default=True, help='disable caching mechanism')
-parser.add_option("--no-subprocess", action="store_false", dest="subprocess",
-                  default=True, help="Don't run the tests in a separate "
-                  "subprocess.  This may prevent hash randomization from being enabled.")
-parser.add_option('--split', action="store", type='str', default=None,
-    help="Only run part of the doctests. Should be of the form a/b, e.g., 1/2")
-parser.add_option('--rerun', action="store", dest="rerun",
-                  default=0, help="Number of times to rerun the specified tests",
-                  type='int')
-parser.set_usage("test [options ...] [files ...]")
-parser.epilog = """\
-"options" are any of the options above. "files" are 0 or more glob strings of \
-files to run doctests on. If no file arguments are given, all doctests will be \
-run. This program runs both doctests in the source and doctests in the Sphinx \
-documentation (doc/src/ directory).\
+epilog = """
+"options" are any of the options above.
+"files" are 0 or more glob strings of files to run doctests on.
+If no file arguments are given, all doctests will be run.
+This program runs both doctests in the source and doctests in the Sphinx
+documentation (doc/src/ directory).
 """
 
-options, args = parser.parse_args()
+parser = ArgumentParser(epilog=epilog)
+parser.add_argument(
+    "-v", "--verbose", action="store_true", dest="verbose", default=False)
+parser.add_argument(
+    "-n", "--normal", action="store_true", dest="normal", default=False,
+    help="run normal doctests; do not require explicit imports")
+parser.add_argument(
+    '-t', '--types', dest='types', action='store', default=None,
+    choices=['gmpy', 'gmpy1', 'python'],
+    help='Setup ground types')
+parser.add_argument(
+    "--no-colors", action="store_false", dest="colors", default=True,
+    help="Do not report colored [OK] and [FAIL]")
+parser.add_argument(
+    "--force-colors", action="store_true", dest="force_colors", default=False,
+    help="Always use colors, even if the output is not to a terminal.")
+parser.add_argument(
+    '-C', '--no-cache', dest='cache', action='store_false', default=True,
+    help='Disable caching mechanism.')
+parser.add_argument(
+    "--no-subprocess", action="store_false", dest="subprocess", default=True,
+    help="Don't run the tests in a separate subprocess. "
+        "This may prevent hash randomization from being enabled.")
+parser.add_argument(
+    '--split', action="store", type=str, default=None,
+    help="Only run part of the doctests. Should be of the form a/b, e.g., 1/2")
+parser.add_argument(
+    '--rerun', action="store", dest="rerun", default=0,
+    help="Number of times to rerun the specified tests", type=int)
+options, args = parser.parse_known_args()
 
 # Check this again here to give a better error message
 if options.split: