Import upstream CPython branch '3.14'

Summary:
Python `3.14.0rc1+` (`3.14`) was **published** on 2025-08-06 15:39:52+00:00.

# Commit Info

Base: (`3.14.0rc1+`) - `3a1e5824dd7d78dca57162880d365cf13778ac59` (commit date: 2025-08-05 20:38:48+00:00)

Imported: (`3.14.0rc1+`) - `3.14` (commit date: 2025-08-06 15:39:52+00:00)

# Files added

```javascript
Misc/NEWS.d/next/Windows/2025-07-27-02-16-53.gh-issue-137134.W0WpDF.rst
Misc/NEWS.d/next/macOS/2025-07-27-02-17-40.gh-issue-137134.pjgITs.rst
```

# Files removed

```javascript
Doc/library/tulip_coro.dia
Doc/library/tulip_coro.png
```

Reviewed By: zsol, itamaro

Differential Revision: D79801605

fbshipit-source-id: 1ea917413a1918a6dab1f4c658387818018c46ec

Author: generatedunixname1734921407115435

Android/android.py

@@ -187,7 +187,7 @@ def unpack_deps(host, prefix_dir):
     os.chdir(prefix_dir)
     deps_url = "https://github.com/beeware/cpython-android-source-deps/releases/download"
     for name_ver in ["bzip2-1.0.8-3", "libffi-3.4.4-3", "openssl-3.0.15-4",
-                     "sqlite-3.49.1-0", "xz-5.4.6-1", "zstd-1.5.7-1"]:
+                     "sqlite-3.50.4-0", "xz-5.4.6-1", "zstd-1.5.7-1"]:
         filename = f"{name_ver}-{host}.tar.gz"
         download(f"{deps_url}/{name_ver}/{filename}")
         shutil.unpack_archive(filename)

Doc/glossary.rst

@@ -435,6 +435,11 @@ Glossary
       with :term:`abstract base classes <abstract base class>`.)  Instead, it
       typically employs :func:`hasattr` tests or :term:`EAFP` programming.
 
+   dunder
+      An informal short-hand for "double underscore", used when talking about a
+      :term:`special method`. For example, ``__init__`` is often pronounced
+      "dunder init".
+
    EAFP
       Easier to ask for forgiveness than permission.  This common Python coding
       style assumes the existence of valid keys or attributes and catches
@@ -1472,6 +1477,11 @@ Glossary
       A computer defined entirely in software.  Python's virtual machine
       executes the :term:`bytecode` emitted by the bytecode compiler.
 
+   walrus operator
+      A light-hearted way to refer to the :ref:`assignment expression
+      <assignment-expressions>` operator ``:=`` because it looks a bit like a
+      walrus if you turn your head.
+
    Zen of Python
       Listing of Python design principles and philosophies that are helpful in
       understanding and using the language.  The listing can be found by typing

Doc/library/tulip_coro.dia

@@ -359,9 +359,9 @@ def library_recipes():
                   ),
           ),
           dict(
-              name="SQLite 3.49.1",
-              url="https://sqlite.org/2025/sqlite-autoconf-3490100.tar.gz",
-              checksum="106642d8ccb36c5f7323b64e4152e9b719f7c0215acf5bfeac3d5e7f97b59254",
+              name="SQLite 3.50.4",
+              url="https://www.sqlite.org/2025/sqlite-autoconf-3500400.tar.gz",
+              checksum="a3db587a1b92ee5ddac2f66b3edb41b26f9c867275782d46c3a088977d6a5b18",
               extra_cflags=('-Os '
                             '-DSQLITE_ENABLE_FTS5 '
                             '-DSQLITE_ENABLE_FTS4 '

Doc/library/tulip_coro.png

@@ -0,0 +1 @@
+Update Windows installer to ship with SQLite 3.50.4.

Mac/BuildScript/build-installer.py

@@ -0,0 +1 @@
+Update macOS installer to ship with SQLite version 3.50.4.

Misc/NEWS.d/next/Windows/2025-07-27-02-16-53.gh-issue-137134.W0WpDF.rst

@@ -91,21 +91,21 @@
       "checksums": [
         {
           "algorithm": "SHA256",
-          "checksumValue": "e335aeb44fa36cde60ecbb6a9f8be6f5d449d645ce9b0199ee53a7e6728d19d2"
+          "checksumValue": "fb5ab81f27612b0a7b4861ba655906c76dc85ee969e7a4905d2075aff931e8d0"
         }
       ],
-      "downloadLocation": "https://github.com/python/cpython-source-deps/archive/refs/tags/sqlite-3.49.1.0.tar.gz",
+      "downloadLocation": "https://github.com/python/cpython-source-deps/archive/refs/tags/sqlite-3.50.4.0.tar.gz",
       "externalRefs": [
         {
           "referenceCategory": "SECURITY",
-          "referenceLocator": "cpe:2.3:a:sqlite:sqlite:3.49.1.0:*:*:*:*:*:*:*",
+          "referenceLocator": "cpe:2.3:a:sqlite:sqlite:3.50.4.0:*:*:*:*:*:*:*",
           "referenceType": "cpe23Type"
         }
       ],
       "licenseConcluded": "NOASSERTION",
       "name": "sqlite",
       "primaryPackagePurpose": "SOURCE",
-      "versionInfo": "3.49.1.0"
+      "versionInfo": "3.50.4.0"
     },
     {
       "SPDXID": "SPDXRef-PACKAGE-tcl-core",

Misc/NEWS.d/next/macOS/2025-07-27-02-17-40.gh-issue-137134.pjgITs.rst

@@ -56,7 +56,7 @@ set libraries=%libraries%                                       bzip2-1.0.8
 if NOT "%IncludeLibffiSrc%"=="false" set libraries=%libraries%  libffi-3.4.4
 if NOT "%IncludeSSLSrc%"=="false" set libraries=%libraries%     openssl-3.0.16
 set libraries=%libraries%                                       mpdecimal-4.0.0
-set libraries=%libraries%                                       sqlite-3.49.1.0
+set libraries=%libraries%                                       sqlite-3.50.4.0
 if NOT "%IncludeTkinterSrc%"=="false" set libraries=%libraries% tcl-core-8.6.15.0
 if NOT "%IncludeTkinterSrc%"=="false" set libraries=%libraries% tk-8.6.15.0
 set libraries=%libraries%                                       xz-5.2.5

Misc/externals.spdx.json

@@ -74,7 +74,7 @@
   <Import Project="$(ExternalProps)" Condition="$(ExternalProps) != '' and Exists('$(ExternalProps)')" />
 
   <PropertyGroup>
-    <sqlite3Dir Condition="$(sqlite3Dir) == ''">$(ExternalsDir)sqlite-3.49.1.0\</sqlite3Dir>
+    <sqlite3Dir Condition="$(sqlite3Dir) == ''">$(ExternalsDir)sqlite-3.50.4.0\</sqlite3Dir>
     <bz2Dir Condition="$(bz2Dir) == ''">$(ExternalsDir)bzip2-1.0.8\</bz2Dir>
     <lzmaDir Condition="$(lzmaDir) == ''">$(ExternalsDir)xz-5.2.5\</lzmaDir>
     <libffiDir Condition="$(libffiDir) == ''">$(ExternalsDir)libffi-3.4.4\</libffiDir>