python2/00288-ambiguous-python-version-rpmbuild-warn.patch

54 lines
2.2 KiB
Diff

diff -U3 -r Python-2.7.14.orig/Lib/site.py Python-2.7.14/Lib/site.py
--- Python-2.7.14.orig/Lib/site.py 2018-01-29 15:05:04.517599815 +0100
+++ Python-2.7.14/Lib/site.py 2018-01-30 09:13:17.305270500 +0100
@@ -515,6 +515,41 @@
"'import usercustomize' failed; use -v for traceback"
+def handle_ambiguous_python_version():
+ """Warn or fail if /usr/bin/python is used
+
+ Behavior depends on the value of PYTHON_DISALLOW_AMBIGUOUS_VERSION:
+ - "warn" - print warning to stderr
+ - "1" - print error and exit with positive exit code
+ - otherwise: do nothing
+
+ This is a Fedora modification, see the Change page for details:
+ See https://fedoraproject.org/wiki/Changes/Avoid_usr_bin_python_in_RPM_Build
+ """
+ if sys.executable == "/usr/bin/python":
+ setting = os.environ.get("PYTHON_DISALLOW_AMBIGUOUS_VERSION")
+ if setting == 'warn':
+ print>>sys.stderr, (
+ "DEPRECATION WARNING: python2 invoked with /usr/bin/python.\n"
+ " Use /usr/bin/python3 or /usr/bin/python2\n"
+ " /usr/bin/python will be removed or switched to Python 3"
+ " in the future.\n"
+ " If you cannot make the switch now, please follow"
+ " instructions at"
+ " https://fedoraproject.org/wiki/Changes/"
+ "Avoid_usr_bin_python_in_RPM_Build#Quick_Opt-Out")
+ elif setting == '1':
+ print>>sys.stderr, (
+ "ERROR: python2 invoked with /usr/bin/python.\n"
+ " Use /usr/bin/python3 or /usr/bin/python2\n"
+ " /usr/bin/python will be switched to Python 3"
+ " in the future.\n"
+ " More details are at"
+ " https://fedoraproject.org/wiki/Changes/"
+ "Avoid_usr_bin_python_in_RPM_Build#Quick_Opt-Out")
+ exit(1)
+
+
def main():
global ENABLE_USER_SITE
@@ -543,6 +578,7 @@
# this module is run as a script, because this code is executed twice.
if hasattr(sys, "setdefaultencoding"):
del sys.setdefaultencoding
+ handle_ambiguous_python_version()
main()