gh-97669: Create Tools/build/ directory (#97963)

Create Tools/build/ directory. Move the following scripts from
Tools/scripts/ to Tools/build/:

* check_extension_modules.py
* deepfreeze.py
* freeze_modules.py
* generate_global_objects.py
* generate_levenshtein_examples.py
* generate_opcode_h.py
* generate_re_casefix.py
* generate_sre_constants.py
* generate_stdlib_module_names.py
* generate_token.py
* parse_html5_entities.py
* smelly.py
* stable_abi.py
* umarshal.py
* update_file.py
* verify_ensurepip_wheels.py

Update references to these scripts.

Author: vstinner

.github/CODEOWNERS

@@ -55,7 +55,7 @@ Python/traceback.c            @iritkatriel
 /Lib/html/                    @ezio-melotti
 /Lib/_markupbase.py           @ezio-melotti
 /Lib/test/test_html*.py       @ezio-melotti
-/Tools/scripts/*html5*        @ezio-melotti
+/Tools/build/parse_html5_entities.py   @ezio-melotti
 
 # Import (including importlib).
 # Ignoring importlib.h so as to not get flagged on

.github/workflows/verify-ensurepip-wheels.yml

@@ -6,12 +6,12 @@ on:
     paths:
       - 'Lib/ensurepip/_bundled/**'
       - '.github/workflows/verify-ensurepip-wheels.yml'
-      - 'Tools/scripts/verify_ensurepip_wheels.py'
+      - 'Tools/build/verify_ensurepip_wheels.py'
   pull_request:
     paths:
       - 'Lib/ensurepip/_bundled/**'
       - '.github/workflows/verify-ensurepip-wheels.yml'
-      - 'Tools/scripts/verify_ensurepip_wheels.py'
+      - 'Tools/build/verify_ensurepip_wheels.py'
 
 permissions:
   contents: read
@@ -29,4 +29,4 @@ jobs:
         with:
           python-version: '3'
       - name: Compare checksums of bundled pip and setuptools to ones published on PyPI
-        run: ./Tools/scripts/verify_ensurepip_wheels.py
+        run: ./Tools/build/verify_ensurepip_wheels.py

.gitignore

@@ -143,7 +143,7 @@ Tools/ssl/win32
 Tools/freeze/test/outdir
 
 # The frozen modules are always generated by the build so we don't
-# keep them in the repo.  Also see Tools/scripts/freeze_modules.py.
+# keep them in the repo.  Also see Tools/build/freeze_modules.py.
 Python/frozen_modules/*.h
 # The manifest can be generated at any time with "make regen-frozen".
 Python/frozen_modules/MANIFEST

Doc/library/token-list.inc

@@ -8,7 +8,7 @@ extern "C" {
 #  error "this header requires Py_BUILD_CORE define"
 #endif
 
-// The data structure & init here are inspired by Tools/scripts/deepfreeze.py.
+// The data structure & init here are inspired by Tools/build/deepfreeze.py.
 
 // All field names generated by ASCII_STR() have a common prefix,
 // to help avoid collisions with keywords, etc.
@@ -25,7 +25,7 @@ extern "C" {
 
 // XXX Order by frequency of use?
 
-/* The following is auto-generated by Tools/scripts/generate_global_objects.py. */
+/* The following is auto-generated by Tools/build/generate_global_objects.py. */
 struct _Py_global_strings {
     struct {
         STRUCT_FOR_STR(anon_dictcomp, "<dictcomp>")

Include/internal/pycore_global_strings.h

@@ -1,4 +1,4 @@
-/* Auto-generated by Tools/scripts/generate_token.py */
+/* Auto-generated by Tools/build/generate_token.py */
 
 /* Token types */
 #ifndef Py_INTERNAL_TOKEN_H

Include/internal/pycore_opcode.h

@@ -261,7 +261,7 @@
 
 
 # HTML5 named character references
-# Generated by 'Tools/scripts/parse_html5_entities.py'
+# Generated by Tools/build/parse_html5_entities.py
 # from https://html.spec.whatwg.org/entities.json and
 # https://html.spec.whatwg.org/multipage/named-characters.html.
 # Map HTML5 named character references to the equivalent Unicode character(s).