gh-97669: Move difflib examples to Doc/includes/ (#97964)

Remove diff.py and ndiff.py scripts of Tools/scripts/: move them to
Doc/includes/.

* diff.py and ndiff.py files are no longer executable. Remove also
  their shebang ("#!/usr/bin/env python3").
* Remove the -profile command from ndiff.py to simply the code.
* Remove ndiff.py copyright and history command. The Python
  documentation examples are distributed under the "Zero Clause BSD
  License".

1 files changed, 0 insertions, 60 deletions

diff --git a/Tools/scripts/diff.py b/Tools/scripts/diff.py
deleted file mode 100755
index 96199b8511..0000000000
--- a/Tools/scripts/diff.py
+++ /dev/null
@@ -1,60 +0,0 @@
-#!/usr/bin/env python3
-""" Command line interface to difflib.py providing diffs in four formats:
-
-* ndiff:    lists every line and highlights interline changes.
-* context:  highlights clusters of changes in a before/after format.
-* unified:  highlights clusters of changes in an inline format.
-* html:     generates side by side comparison with change highlights.
-
-"""
-
-import sys, os, difflib, argparse
-from datetime import datetime, timezone
-
-def file_mtime(path):
-    t = datetime.fromtimestamp(os.stat(path).st_mtime,
-                               timezone.utc)
-    return t.astimezone().isoformat()
-
-def main():
-
-    parser = argparse.ArgumentParser()
-    parser.add_argument('-c', action='store_true', default=False,
-                        help='Produce a context format diff (default)')
-    parser.add_argument('-u', action='store_true', default=False,
-                        help='Produce a unified format diff')
-    parser.add_argument('-m', action='store_true', default=False,
-                        help='Produce HTML side by side diff '
-                             '(can use -c and -l in conjunction)')
-    parser.add_argument('-n', action='store_true', default=False,
-                        help='Produce a ndiff format diff')
-    parser.add_argument('-l', '--lines', type=int, default=3,
-                        help='Set number of context lines (default 3)')
-    parser.add_argument('fromfile')
-    parser.add_argument('tofile')
-    options = parser.parse_args()
-
-    n = options.lines
-    fromfile = options.fromfile
-    tofile = options.tofile
-
-    fromdate = file_mtime(fromfile)
-    todate = file_mtime(tofile)
-    with open(fromfile) as ff:
-        fromlines = ff.readlines()
-    with open(tofile) as tf:
-        tolines = tf.readlines()
-
-    if options.u:
-        diff = difflib.unified_diff(fromlines, tolines, fromfile, tofile, fromdate, todate, n=n)
-    elif options.n:
-        diff = difflib.ndiff(fromlines, tolines)
-    elif options.m:
-        diff = difflib.HtmlDiff().make_file(fromlines,tolines,fromfile,tofile,context=options.c,numlines=n)
-    else:
-        diff = difflib.context_diff(fromlines, tolines, fromfile, tofile, fromdate, todate, n=n)
-
-    sys.stdout.writelines(diff)
-
-if __name__ == '__main__':
-    main()