MAINT: replace optparse usage with argparse (scipy#19030)

[skip ci]

scipy/sparse/_generate_sparsetools.py

@@ -18,7 +18,7 @@
 See sparsetools.cxx for more details.
 
 """
-import optparse
+import argparse
 import os
 from stat import ST_MTIME
 
@@ -352,12 +352,13 @@ def get_arglist(I_type, T_type):
 
 
 def main():
-    p = optparse.OptionParser(usage=(__doc__ or '').strip())
-    p.add_option("--no-force", action="store_false",
-                 dest="force", default=True)
-    p.add_option("-o", "--outdir", type=str,
-                 help="Relative path to the output directory")
-    options, args = p.parse_args()
+    p = argparse.ArgumentParser(usage=(__doc__ or '').strip())
+
+    p.add_argument("--no-force", action="store_false",
+                   dest="force", default=True)
+    p.add_argument("-o", "--outdir", type=str,
+                   help="Relative path to the output directory")
+    options = p.parse_args()
 
     names = []
 

tools/authors.py

@@ -13,7 +13,7 @@
 """
 # Author: Pauli Virtanen <pav@iki.fi>. This script is in the public domain.
 
-import optparse
+import argparse
 import re
 import sys
 import os
@@ -26,18 +26,16 @@
 
 
 def main():
-    p = optparse.OptionParser(__doc__.strip())
-    p.add_option("-d", "--debug", action="store_true",
-                 help="print debug output")
-    p.add_option("-n", "--new", action="store_true",
-                 help="print debug output")
-    options, args = p.parse_args()
-
-    if len(args) != 1:
-        p.error("invalid number of arguments")
+    p = argparse.ArgumentParser(__doc__.strip())
+    p.add_argument("range", help=argparse.SUPPRESS)
+    p.add_argument("-d", "--debug", action="store_true",
+                   help="print debug output")
+    p.add_argument("-n", "--new", action="store_true",
+                   help="print debug output")
+    options = p.parse_args()
 
     try:
-        rev1, rev2 = args[0].split('..')
+        rev1, rev2 = options.range.split('..')
     except ValueError:
         p.error("argument is not a revision range")
 

tools/ninjatracing.py

@@ -27,7 +27,7 @@
 
 import json
 import os
-import optparse
+import argparse
 import re
 import sys
 
@@ -158,29 +158,25 @@ def log_to_dicts(log, pid, options):
 
 def main(argv):
     usage = __doc__
-    parser = optparse.OptionParser(usage)
-    parser.add_option('-a', '--showall', action='store_true', dest='showall',
-                      default=False,
-                      help='report on last build step for all outputs. Default '
-                      'is to report just on the last (possibly incremental) '
-                      'build')
-    parser.add_option('-g', '--granularity', type='int', default=50000,
-                      dest='granularity',
-                      help='minimum length time-trace event to embed in '
-                      'microseconds. Default: %default')
-    parser.add_option('-e', '--embed-time-trace', action='store_true',
-                      default=False, dest='embed_time_trace',
-                      help='embed clang -ftime-trace json file found adjacent '
-                      'to a target file')
-    (options, args) = parser.parse_args()
-
-    if len(args) == 0:
-      print('Must specify at least one .ninja_log file')
-      parser.print_help()
-      return 1
+    parser = argparse.ArgumentParser(usage)
+    parser.add_argument("logfiles", nargs="*", help=argparse.SUPPRESS)
+    parser.add_argument('-a', '--showall', action='store_true',
+                        dest='showall', default=False,
+                        help='report on last build step for all outputs. '
+                              'Default is to report just on the last '
+                              '(possibly incremental) build')
+    parser.add_argument('-g', '--granularity', type=int, default=50000,
+                        dest='granularity',
+                        help='minimum length time-trace event to embed in '
+                             'microseconds. Default: 50000')
+    parser.add_argument('-e', '--embed-time-trace', action='store_true',
+                        default=False, dest='embed_time_trace',
+                        help='embed clang -ftime-trace json file found '
+                             'adjacent to a target file')
+    options = parser.parse_args()
 
     entries = []
-    for pid, log_file in enumerate(args):
+    for pid, log_file in enumerate(options.logfiles):
         with open(log_file, 'r') as log:
             entries += list(log_to_dicts(log, pid, vars(options)))
     json.dump(entries, sys.stdout)