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python3: Fix .pyc file reproduciblility

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Applies a patch to python that makes the pre-compiled .pyc files
generated during the build reproducible.

(From OE-Core rev: 148d54f91f43147f31b16a7c2cb1ade385832366)

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Joshua Watt
2019-06-27 08:53:17 -05:00
committed by Richard Purdie
parent 275e3c8718
commit f473728b22
2 changed files with 36 additions and 0 deletions
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35
meta/recipes-devtools/python/python3/0001-Use-FLAG_REF-always-for-interned-strings.patch Normal file
View File

@@ -0,0 +1,35 @@
From 6c8ea7c1dacd42f3ba00440231ec0e6b1a38300d Mon Sep 17 00:00:00 2001
From: Inada Naoki <songofacandy@gmail.com>
Date: Sat, 14 Jul 2018 00:46:11 +0900
Subject: [PATCH] Use FLAG_REF always for interned strings
Upstream-status: Submitted [https://github.com/python/cpython/pull/8226]
Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
---
Python/marshal.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/Python/marshal.c b/Python/marshal.c
index 6d06266c6a..51db2e3b2e 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -275,9 +275,14 @@ w_ref(PyObject *v, char *flag, WFILE *p)
if (p->version < 3 || p->hashtable == NULL)
return 0; /* not writing object references */
- /* if it has only one reference, it definitely isn't shared */
- if (Py_REFCNT(v) == 1)
+ /* If it has only one reference, it definitely isn't shared.
+ * But we use TYPE_REF always for interned string, to PYC file stable
+ * as possible.
+ */
+ if (Py_REFCNT(v) == 1 &&
+ !(PyUnicode_CheckExact(v) && PyUnicode_CHECK_INTERNED(v))) {
return 0;
+ }
entry = _Py_HASHTABLE_GET_ENTRY(p->hashtable, v);
if (entry != NULL) {
--
2.21.0