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. 

Patch by Bernhard M. Wiedemann

Upstream-Status: Backport

Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>

Fri Feb 24 17:08:25 UTC 2017 - bwiedemann@suse.com

- Add reproducible.patch to allow reproducible builds of various
  python packages like python-amqp
  Upstream: https://github.com/python/cpython/pull/296


@@ -0,0 +1,15 @@
Index: Python-2.7.13/Lib/py_compile.py
===================================================================
--- Python-2.7.13.orig/Lib/py_compile.py
+++ Python-2.7.13/Lib/py_compile.py
@@ -108,6 +108,10 @@ def compile(file, cfile=None, dfile=None
             timestamp = long(os.fstat(f.fileno()).st_mtime)
         except AttributeError:
             timestamp = long(os.stat(file).st_mtime)
+        sde = os.environ.get('SOURCE_DATE_EPOCH')
+        if sde and timestamp > int(sde):
+            timestamp = int(sde)
+            os.utime(file, (timestamp, timestamp))
         codestring = f.read()
     try:
         codeobject = __builtin__.compile(codestring, dfile or file,'exec')