--- a/contrib/check-py3-compat.py	Thu Oct 24 17:35:53 2024 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,92 +0,0 @@
-#!/usr/bin/env python3
-#
-# check-py3-compat - check Python 3 compatibility of Mercurial files
-#
-# Copyright 2015 Gregory Szorc <gregory.szorc@gmail.com>
-#
-# This software may be used and distributed according to the terms of the
-# GNU General Public License version 2 or any later version.
-
-
-import ast
-import importlib
-import os
-import sys
-import traceback
-import warnings
-
-
-def check_compat_py3(f):
-    """Check Python 3 compatibility of a file with Python 3."""
-    with open(f, 'rb') as fh:
-        content = fh.read()
-
-    try:
-        ast.parse(content, filename=f)
-    except SyntaxError as e:
-        print('%s: invalid syntax: %s' % (f, e))
-        return
-
-    # Try to import the module.
-    # For now we only support modules in packages because figuring out module
-    # paths for things not in a package can be confusing.
-    if f.startswith(
-        ('hgdemandimport/', 'hgext/', 'mercurial/')
-    ) and not f.endswith('__init__.py'):
-        assert f.endswith('.py')
-        name = f.replace('/', '.')[:-3]
-        try:
-            importlib.import_module(name)
-        except Exception as e:
-            exc_type, exc_value, tb = sys.exc_info()
-            # We walk the stack and ignore frames from our custom importer,
-            # import mechanisms, and stdlib modules. This kinda/sorta
-            # emulates CPython behavior in import.c while also attempting
-            # to pin blame on a Mercurial file.
-            for frame in reversed(traceback.extract_tb(tb)):
-                if frame.name == '_call_with_frames_removed':
-                    continue
-                if 'importlib' in frame.filename:
-                    continue
-                if 'mercurial/__init__.py' in frame.filename:
-                    continue
-                if frame.filename.startswith(sys.prefix):
-                    continue
-                break
-
-            if frame.filename:
-                filename = os.path.basename(frame.filename)
-                print(
-                    '%s: error importing: <%s> %s (error at %s:%d)'
-                    % (f, type(e).__name__, e, filename, frame.lineno)
-                )
-            else:
-                print(
-                    '%s: error importing module: <%s> %s (line %d)'
-                    % (f, type(e).__name__, e, frame.lineno)
-                )
-
-
-if __name__ == '__main__':
-    # check_compat_py3 will import every filename we specify as long as it
-    # starts with one of a few prefixes. It does this by converting
-    # specified filenames like 'mercurial/foo.py' to 'mercurial.foo' and
-    # importing that. When running standalone (not as part of a test), this
-    # means we actually import the installed versions, not the files we just
-    # specified. When running as test-check-py3-compat.t, we technically
-    # would import the correct paths, but it's cleaner to have both cases
-    # use the same import logic.
-    sys.path.insert(0, os.getcwd())
-
-    for f in sys.argv[1:]:
-        with warnings.catch_warnings(record=True) as warns:
-            check_compat_py3(f)
-
-        for w in warns:
-            print(
-                warnings.formatwarning(
-                    w.message, w.category, w.filename, w.lineno
-                ).rstrip()
-            )
-
-    sys.exit(0)