[oe-commits] [openembedded-core] 17/25: python3: Fix .pyc file reproduciblility

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rpurdie pushed a commit to branch warrior
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commit c2c6f30554f96e551b71b3d66fb599a5d28a10bb
Author: Joshua Watt <jpewhacker at gmail.com>
AuthorDate: Thu Jun 27 08:53:17 2019 -0500

    python3: Fix .pyc file reproduciblility
    
    Applies a patch to python that makes the pre-compiled .pyc files
    generated during the build reproducible.
    
    Signed-off-by: Joshua Watt <JPEWhacker at gmail.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
    Signed-off-by: Armin Kuster <akuster808 at gmail.com>
---
 ...-Use-FLAG_REF-always-for-interned-strings.patch | 35 ++++++++++++++++++++++
 meta/recipes-devtools/python/python3_3.7.4.bb      |  1 +
 2 files changed, 36 insertions(+)

diff --git a/meta/recipes-devtools/python/python3/0001-Use-FLAG_REF-always-for-interned-strings.patch b/meta/recipes-devtools/python/python3/0001-Use-FLAG_REF-always-for-interned-strings.patch
new file mode 100644
index 0000000..8fcb344
--- /dev/null
+++ b/meta/recipes-devtools/python/python3/0001-Use-FLAG_REF-always-for-interned-strings.patch
@@ -0,0 +1,35 @@
+From 6c8ea7c1dacd42f3ba00440231ec0e6b1a38300d Mon Sep 17 00:00:00 2001
+From: Inada Naoki <songofacandy at 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 at 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
+
diff --git a/meta/recipes-devtools/python/python3_3.7.4.bb b/meta/recipes-devtools/python/python3_3.7.4.bb
index e9ec604..bd86d51 100644
--- a/meta/recipes-devtools/python/python3_3.7.4.bb
+++ b/meta/recipes-devtools/python/python3_3.7.4.bb
@@ -26,6 +26,7 @@ SRC_URI = "http://www.python.org/ftp/python/${PV}/Python-${PV}.tar.xz \
 	   file://0001-bpo-36852-proper-detection-of-mips-architecture-for-.patch \
 	   file://crosspythonpath.patch \
            file://reformat_sysconfig.py \
+           file://0001-Use-FLAG_REF-always-for-interned-strings.patch \
            "
 
 SRC_URI_append_class-native = " \

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