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gnu: python-2: Honor 'SOURCE_DATE_EPOCH'. 

* gnu/packages/patches/python-2.7-source-date-epoch.patch: New file.
* gnu/packages/python.scm (python-2)[source]: Use it.
  [arguments]: Set SOURCE_DATE_EPOCH in 'patch-lib-shells' phase.
* guix/build/python-build-system.scm (set-SOURCE-DATE-EPOCH): New
  procedure.
  (%standard-phases): Add it.
* gnu-system.am (dist_patch_DATA): Add patch.
This commit is contained in:
Ludovic Courtès 2015-11-14 00:08:35 +01:00
parent f8e7fdc416
commit dedc832070
4 changed files with 49 additions and 1 deletions
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1
gnu-system.am
View File

@ -670,6 +670,7 @@ dist_patch_DATA = \
gnu/packages/patches/pybugz-stty.patch \
gnu/packages/patches/pyqt-configure.patch \
gnu/packages/patches/python-2.7-search-paths.patch \
gnu/packages/patches/python-2.7-source-date-epoch.patch \
gnu/packages/patches/python-3-search-paths.patch \
gnu/packages/patches/python-disable-ssl-test.patch \
gnu/packages/patches/python-fix-tests.patch \

33
gnu/packages/patches/python-2.7-source-date-epoch.patch Normal file
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@ -0,0 +1,33 @@
Honor the 'SOURCE_DATE_EPOCH' environment variable to allow for
determinitic builds.
--- a/Lib/py_compile.py
+++ b/Lib/py_compile.py
@@ -105,7 +105,10 @@ def compile(file, cfile=None, dfile=None, doraise=False):
"""
with open(file, 'U') as f:
try:
- timestamp = long(os.fstat(f.fileno()).st_mtime)
+ if 'SOURCE_DATE_EPOCH' in os.environ:
+ timestamp = long(os.environ['SOURCE_DATE_EPOCH'])
+ else:
+ timestamp = long(os.fstat(f.fileno()).st_mtime)
except AttributeError:
timestamp = long(os.stat(file).st_mtime)
codestring = f.read()
diff --git a/Python/import.c b/Python/import.c
index e47ce63..7eecf9c 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -945,6 +945,11 @@ write_compiled_module(PyCodeObject *co, char *cpathname, struct stat *srcstat, t
/* Now write the true mtime (as a 32-bit field) */
fseek(fp, 4L, 0);
assert(mtime <= 0xFFFFFFFF);
+ if (Py_GETENV("SOURCE_DATE_EPOCH") != NULL) {
+ const char *epoch = Py_GETENV("SOURCE_DATE_EPOCH");
+ mtime = atoi(epoch);
+ }
+
PyMarshal_WriteLongToFile((long)mtime, fp, Py_MARSHAL_VERSION);
fflush(fp);
fclose(fp);

9
gnu/packages/python.scm
View File

@ -92,7 +92,9 @@
(sha256
(base32
"1h7zbrf9pkj29hlm18b10548ch9757f75m64l47sy75rh43p7lqw"))
(patches (list (search-patch "python-2.7-search-paths.patch")))))
(patches (map search-patch
'("python-2.7-search-paths.patch"
"python-2.7-source-date-epoch.patch")))))
(build-system gnu-build-system)
(arguments
`(#:tests? #f
@ -158,6 +160,11 @@
"Lib/distutils/tests/test_spawn.py"
"Lib/test/test_subprocess.py"))
(("/bin/sh") (which "sh")))
;; Use zero as the timestamp in .pyc files so that builds are
;; deterministic. TODO: Remove it when this variable is set in
;; gnu-build-system.scm.
(setenv "SOURCE_DATE_EPOCH" "0")
#t))
(add-before
'check 'pre-check

7
guix/build/python-build-system.scm
View File

@ -136,11 +136,18 @@ installed with setuptools."
#t))
#t))
(define* (set-SOURCE-DATE-EPOCH #:rest _)
"Set the 'SOURCE_DATE_EPOCH' environment variable."
;; Use zero as the timestamp in .pyc files so that builds are deterministic.
;; TODO: Remove it when this variable is set in GNU:%STANDARD-PHASES.
(setenv "SOURCE_DATE_EPOCH" "0"))
(define %standard-phases
;; 'configure' and 'build' phases are not needed. Everything is done during
;; 'install'.
(modify-phases gnu:%standard-phases
(add-after 'unpack 'ensure-no-mtimes-pre-1980 ensure-no-mtimes-pre-1980)
(add-after 'unpack 'set-SOURCE-DATE-EPOCH set-SOURCE-DATE-EPOCH)
(delete 'configure)
(replace 'install install)
(replace 'check check)