diff options
Diffstat (limited to 'meta/recipes-devtools/python/python3/support_SOURCE_DATE_EPOCH_in_py_compile.patch')
| -rw-r--r-- | meta/recipes-devtools/python/python3/support_SOURCE_DATE_EPOCH_in_py_compile.patch | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/meta/recipes-devtools/python/python3/support_SOURCE_DATE_EPOCH_in_py_compile.patch b/meta/recipes-devtools/python/python3/support_SOURCE_DATE_EPOCH_in_py_compile.patch deleted file mode 100644 index 32ecab9fec..0000000000 --- a/meta/recipes-devtools/python/python3/support_SOURCE_DATE_EPOCH_in_py_compile.patch +++ /dev/null @@ -1,97 +0,0 @@ -The compiled .pyc files contain time stamp corresponding to the compile time. -This prevents binary reproducibility. This patch allows to achieve binary -reproducibility by overriding the build time stamp by the value -exported via SOURCE_DATE_EPOCH. - -Upstream-Status: Backport - -Signed-off-by: Juro Bystricky <juro.bystricky@intel.com> - - -From aeab488630fdb1b56a8d0b0c13fa88706b2afe9b Mon Sep 17 00:00:00 2001 -From: "Bernhard M. Wiedemann" <bwiedemann@suse.de> -Date: Sat, 25 Feb 2017 06:42:28 +0100 -Subject: [PATCH] bpo-29708: support SOURCE_DATE_EPOCH env var in py_compile - -to allow for reproducible builds of python packages - -See https://reproducible-builds.org/ for why this is good -and https://reproducible-builds.org/specs/source-date-epoch/ -for the definition of this variable. - -Background: -In some distributions like openSUSE, binary rpms contain precompiled .pyc files. - -And packages like amqp or twisted dynamically generate .py files at build time -so those have the current time and that timestamp gets embedded -into the .pyc file header. -When we then adapt file timestamps in rpms to be constant, -the timestamp in the .pyc header will no more match -the .py timestamp in the filesystem. -The software will still work, but it will not use the .pyc file as it should. ---- - Doc/library/py_compile.rst | 4 ++++ - Lib/py_compile.py | 4 ++++ - Lib/test/test_py_compile.py | 19 +++++++++++++++++++ - 3 files changed, 27 insertions(+) - -diff --git a/Doc/library/py_compile.rst b/Doc/library/py_compile.rst -index 0af8fb1..841f3e8 100644 ---- a/Doc/library/py_compile.rst -+++ b/Doc/library/py_compile.rst -@@ -53,6 +53,10 @@ byte-code cache files in the directory containing the source code. - :func:`compile` function. The default of ``-1`` selects the optimization - level of the current interpreter. - -+ If the SOURCE_DATE_EPOCH environment variable is set, the .py file mtime -+ and timestamp entry in .pyc file header, will be limited to this value. -+ See https://reproducible-builds.org/specs/source-date-epoch/ for more info. -+ - .. versionchanged:: 3.2 - Changed default value of *cfile* to be :PEP:`3147`-compliant. Previous - default was *file* + ``'c'`` (``'o'`` if optimization was enabled). -diff --git a/Lib/py_compile.py b/Lib/py_compile.py -index 11c5b50..62dcdc7 100644 ---- a/Lib/py_compile.py -+++ b/Lib/py_compile.py -@@ -137,6 +137,10 @@ def compile(file, cfile=None, dfile=None, doraise=False, optimize=-1): - except FileExistsError: - pass - source_stats = loader.path_stats(file) -+ sde = os.environ.get('SOURCE_DATE_EPOCH') -+ if sde and source_stats['mtime'] > int(sde): -+ source_stats['mtime'] = int(sde) -+ os.utime(file, (source_stats['mtime'], source_stats['mtime'])) - bytecode = importlib._bootstrap_external._code_to_bytecode( - code, source_stats['mtime'], source_stats['size']) - mode = importlib._bootstrap_external._calc_mode(file) -diff --git a/Lib/test/test_py_compile.py b/Lib/test/test_py_compile.py -index 4a6caa5..3d09963 100644 ---- a/Lib/test/test_py_compile.py -+++ b/Lib/test/test_py_compile.py -@@ -98,6 +98,25 @@ def test_bad_coding(self): - self.assertFalse(os.path.exists( - importlib.util.cache_from_source(bad_coding))) - -+ def test_source_date_epoch(self): -+ testtime = 123456789 -+ orig_sde = os.getenv("SOURCE_DATE_EPOCH") -+ os.environ["SOURCE_DATE_EPOCH"] = str(testtime) -+ py_compile.compile(self.source_path, self.pyc_path) -+ if orig_sde: -+ os.environ["SOURCE_DATE_EPOCH"] = orig_sde -+ else: -+ del os.environ["SOURCE_DATE_EPOCH"] -+ self.assertTrue(os.path.exists(self.pyc_path)) -+ self.assertFalse(os.path.exists(self.cache_path)) -+ statinfo = os.stat(self.source_path) -+ self.assertEqual(statinfo.st_mtime, testtime) -+ f = open(self.pyc_path, "rb") -+ f.read(4) -+ timebytes = f.read(4) # read timestamp from pyc header -+ f.close() -+ self.assertEqual(timebytes, (testtime).to_bytes(4, 'little')) -+ - @unittest.skipIf(sys.flags.optimize > 0, 'test does not work with -O') - def test_double_dot_no_clobber(self): - # http://bugs.python.org/issue22966 |