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python: Unset Python environment variables

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This will prevent the user's environment variables from affecting host
Python, removing the need to manually override these variables.

It is also not necessary to set PYTHONPATH (when not working on target
Python packages) because the given directories are already included in
Python's search path by default.

Signed-off-by: Jeffery To <jeffery.to@gmail.com>
This commit is contained in:
Jeffery To 2023-03-02 23:35:00 +08:00
parent c7331194cb
commit 6ef46bb919
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GPG key ID: C616D9E719E868E4
2 changed files with 46 additions and 5 deletions
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50
lang/python/python3-host.mk
View file

@ -12,6 +12,51 @@
python3_mk_path:=$(dir $(lastword $(MAKEFILE_LIST)))
include $(python3_mk_path)python3-version.mk
# Unset environment variables
# https://docs.python.org/3/using/cmdline.html#environment-variables
unexport \
PYTHONHOME \
PYTHONPATH \
PYTHONSAFEPATH \
PYTHONPLATLIBDIR \
PYTHONSTARTUP \
PYTHONOPTIMIZE \
PYTHONBREAKPOINT \
PYTHONDEBUG \
PYTHONINSPECT \
PYTHONUNBUFFERED \
PYTHONVERBOSE \
PYTHONCASEOK \
PYTHONDONTWRITEBYTECODE \
PYTHONPYCACHEPREFIX \
PYTHONHASHSEED \
PYTHONINTMAXSTRDIGITS \
PYTHONIOENCODING \
PYTHONNOUSERSITE \
PYTHONUSERBASE \
PYTHONEXECUTABLE \
PYTHONWARNINGS \
PYTHONFAULTHANDLER \
PYTHONTRACEMALLOC \
PYTHONPROFILEIMPORTTIME \
PYTHONASYNCIODEBUG \
PYTHONMALLOC \
PYTHONMALLOCSTATS \
PYTHONLEGACYWINDOWSFSENCODING \
PYTHONLEGACYWINDOWSSTDIO \
PYTHONCOERCECLOCALE \
PYTHONDEVMODE \
PYTHONUTF8 \
PYTHONWARNDEFAULTENCODING \
PYTHONNODEBUGRANGES
# https://docs.python.org/3/using/cmdline.html#debug-mode-variables
unexport \
PYTHONTHREADDEBUG \
PYTHONDUMPREFS \
PYTHONDUMPREFSFILE
HOST_PYTHON3_DIR:=$(STAGING_DIR_HOSTPKG)
HOST_PYTHON3_INC_DIR:=$(HOST_PYTHON3_DIR)/include/python$(PYTHON3_VERSION)
HOST_PYTHON3_LIB_DIR:=$(HOST_PYTHON3_DIR)/lib/python$(PYTHON3_VERSION)
@ -31,10 +76,7 @@ HOST_PYTHON3_VARS = \
LDSHARED="$(HOSTCC) -shared" \
CFLAGS="$(HOST_CFLAGS)" \
CPPFLAGS="$(HOST_CPPFLAGS) -I$(HOST_PYTHON3_INC_DIR)" \
LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON3_VERSION) -Wl$(comma)-rpath$(comma)$(STAGING_DIR_HOSTPKG)/lib" \
PYTHONPATH="$(HOST_PYTHON3PATH)" \
PYTHONDONTWRITEBYTECODE=0 \
PYTHONOPTIMIZE=""
LDFLAGS="$(HOST_LDFLAGS) -lpython$(PYTHON3_VERSION) -Wl$(comma)-rpath$(comma)$(STAGING_DIR_HOSTPKG)/lib"
# $(1) => directory of python script
# $(2) => python script and its arguments

1
lang/python/python3-package.mk
View file

@ -42,7 +42,6 @@ PYTHON3_VARS = \
__PYVENV_LAUNCHER__="/usr/bin/$(PYTHON3)" \
PYTHONPATH="$(PYTHON3PATH)" \
PYTHONDONTWRITEBYTECODE=1 \
PYTHONOPTIMIZE="" \
_python_sysroot="$(STAGING_DIR)" \
_python_prefix="/usr" \
_python_exec_prefix="/usr"