set pyc magic number

youknowone · youknowone · commit 9bf4fd409e7d · 2026-01-04T00:39:28.000+09:00
diff --git a/Lib/importlib/_bootstrap_external.py b/Lib/importlib/_bootstrap_external.py
@@ -489,7 +489,7 @@ def _write_atomic(path, data, mode=0o666):
 # Whenever MAGIC_NUMBER is changed, the ranges in the magic_values array
 # in PC/launcher.c must also be updated.
 
-MAGIC_NUMBER = (3571).to_bytes(2, 'little') + b'\r\n'
+MAGIC_NUMBER = (2997).to_bytes(2, 'little') + b'\r\n'
 
 _RAW_MAGIC_NUMBER = int.from_bytes(MAGIC_NUMBER, 'little')  # For import.c
 
diff --git a/Lib/test/test_importlib/test_util.py b/Lib/test/test_importlib/test_util.py
@@ -636,7 +636,7 @@ def test_magic_number(self):
         # stakeholders such as OS package maintainers must be notified
         # in advance. Such exceptional releases will then require an
         # adjustment to this test case.
-        EXPECTED_MAGIC_NUMBER = 3531
+        EXPECTED_MAGIC_NUMBER = 2997
         actual = int.from_bytes(importlib.util.MAGIC_NUMBER[:2], 'little')
 
         msg = (
diff --git a/crates/vm/src/version.rs b/crates/vm/src/version.rs
@@ -129,7 +129,7 @@ pub fn get_git_datetime() -> String {
 }
 
 // Must be aligned to Lib/importlib/_bootstrap_external.py
-pub const PYC_MAGIC_NUMBER: u16 = 3531;
+pub const PYC_MAGIC_NUMBER: u16 = 2997;
 
 // CPython format: magic_number | ('\r' << 16) | ('\n' << 24)
 // This protects against text-mode file reads

Original file line number	Diff line number	Diff line change
`@@ -129,7 +129,7 @@ pub fn get_git_datetime() -> String {`
`129`	`129`	`}`
`130`	`130`
`131`	`131`	`// Must be aligned to Lib/importlib/_bootstrap_external.py`
`132`		`-pub const PYC_MAGIC_NUMBER: u16 = 3531;`
	`132`	`+pub const PYC_MAGIC_NUMBER: u16 = 2997;`
`133`	`133`
`134`	`134`	`// CPython format: magic_number \| ('\r' << 16) \| ('\n' << 24)`
`135`	`135`	`// This protects against text-mode file reads`