From bfb830480c10606e48819733e0b37dd37e9c4992 Mon Sep 17 00:00:00 2001
From: Dan Halbert <halbert@halwitz.org>
Date: Tue, 7 Nov 2023 16:19:53 -0500
Subject: [PATCH] fix busio example; update some scripts for Python 3.12

---
 docs/shared_bindings_matrix.py   | 6 +++---
 shared-bindings/busio/__init__.c | 9 ++++++---
 tools/build_release_files.py     | 2 +-
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/docs/shared_bindings_matrix.py b/docs/shared_bindings_matrix.py
index 4cc9409325..d865f6963d 100644
--- a/docs/shared_bindings_matrix.py
+++ b/docs/shared_bindings_matrix.py
@@ -170,7 +170,7 @@ def build_module_map():
             search_identifier = ADDITIONAL_MODULES[module]
         else:
             search_identifier = "CIRCUITPY_" + module.lstrip("_").upper()
-        re_pattern = f"{re.escape(search_identifier)}\s*\??=\s*(.+)"
+        re_pattern = fr"{re.escape(search_identifier)}\s*\??=\s*(.+)"
         find_config = re.findall(re_pattern, configs)
         if not find_config:
             continue
@@ -242,12 +242,12 @@ def get_repository_url(directory):
         with open(readme, "r") as fp:
             for line in fp.readlines():
                 if m := re.match(
-                    "\s+:target:\s+(http\S+(docs.circuitpython|readthedocs)\S+)\s*",
+                    r"\s+:target:\s+(http\S+(docs.circuitpython|readthedocs)\S+)\s*",
                     line,
                 ):
                     path = m.group(1)
                     break
-                if m := re.search("<(http[^>]+)>", line):
+                if m := re.search(r"<(http[^>]+)>", line):
                     path = m.group(1)
                     break
     if path is None:
diff --git a/shared-bindings/busio/__init__.c b/shared-bindings/busio/__init__.c
index 776920385e..a0b5f687b5 100644
--- a/shared-bindings/busio/__init__.c
+++ b/shared-bindings/busio/__init__.c
@@ -59,12 +59,15 @@
 //|   from board import *
 //|
 //|   i2c = busio.I2C(SCL, SDA)
+//|   i2c.try_lock()
 //|   print(i2c.scan())
+//|   i2c.unlock()
 //|   i2c.deinit()
 //|
-//| This example will initialize the the device, run
-//| :py:meth:`~busio.I2C.scan` and then :py:meth:`~busio.I2C.deinit` the
-//| hardware. The last step is optional because CircuitPython automatically
+//| This example will initialize the the device, lock the I2C bus, run
+//| :py:meth:`~busio.I2C.scan`, unlock the bus,
+//| and then :py:meth:`~busio.I2C.deinit` the hardware.
+//| The last step is optional because CircuitPython automatically
 //| resets hardware after a program finishes.
 //|
 //| Note that drivers will typically handle communication if provided the bus
diff --git a/tools/build_release_files.py b/tools/build_release_files.py
index 341ae2d67f..ce23f57e88 100755
--- a/tools/build_release_files.py
+++ b/tools/build_release_files.py
@@ -139,7 +139,7 @@ for board in build_boards:
         # Flush so we will see something before 10 minutes has passed.
         print(flush=True)
 
-        if (not build_all) and (language is LANGUAGE_FIRST) and (exit_status is 0):
+        if (not build_all) and (language == LANGUAGE_FIRST) and (exit_status == 0):
             try:
                 with open(
                     f"../ports/{board_info['port']}/{build_dir}/firmware.size.json", "r"