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-rw-r--r--package/python3/016-distutils-no-pep3147.patch36
1 files changed, 36 insertions, 0 deletions
diff --git a/package/python3/016-distutils-no-pep3147.patch b/package/python3/016-distutils-no-pep3147.patch
new file mode 100644
index 0000000000..0fdfeb24ca
--- /dev/null
+++ b/package/python3/016-distutils-no-pep3147.patch
@@ -0,0 +1,36 @@
+Add distutils fix for PEP 3147 issue
+
+Python 3 has a new standard for installing .pyc file, called PEP
+3147. Unfortunately, this standard requires both the .py and .pyc
+files to be installed for a Python module to be found. This is quite
+annoying on space-constrained embedded systems, since the .py file is
+technically not required for execution.
+
+For the Python standard library, our Python 3 package already contains
+a patch named python3-004-old-stdlib-cache.patch, which allows to
+disable the PEP 3147 installation.
+
+But that lives the distutils/setuptools package an unsolved
+problem. This patch therefore adds a new patch to Python, which makes
+distutils package use the traditional installation path when byte
+compiling, rather than the PEP 3147 installation path. Since
+setuptools relies on distutils internally, it also fixes setuptools
+based packages.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+
+Index: b/Lib/distutils/util.py
+===================================================================
+--- a/Lib/distutils/util.py
++++ b/Lib/distutils/util.py
+@@ -437,7 +437,9 @@
+ # Terminology from the py_compile module:
+ # cfile - byte-compiled file
+ # dfile - purported source filename (same as 'file' by default)
+- if optimize >= 0:
++ if "_python_sysroot" in os.environ:
++ cfile = file + (__debug__ and "c" or "o")
++ elif optimize >= 0:
+ cfile = importlib.util.cache_from_source(
+ file, debug_override=not optimize)
+ else:
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