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-rw-r--r--Doc/c-api/init_config.rst9
-rw-r--r--Doc/using/cmdline.rst8
-rw-r--r--Include/cpython/initconfig.h1
-rw-r--r--Lib/test/test_embed.py22
-rw-r--r--Makefile.pre.in5
-rw-r--r--Misc/NEWS.d/next/Core and Builtins/2020-06-03-13-53-24.bpo-40854.O6vfQU.rst1
-rw-r--r--Misc/python.man2
-rw-r--r--Modules/getpath.c16
-rw-r--r--Programs/_testembed.c8
-rw-r--r--Python/initconfig.c26
-rw-r--r--Python/sysmodule.c8
11 files changed, 82 insertions, 24 deletions
diff --git a/Doc/c-api/init_config.rst b/Doc/c-api/init_config.rst
index fc82c3eb59..7b8e894fe2 100644
--- a/Doc/c-api/init_config.rst
+++ b/Doc/c-api/init_config.rst
@@ -436,6 +436,14 @@ PyConfig
:data:`sys.base_prefix`.
+ .. c:member:: wchar_t* platlibdir
+
+ :data:`sys.platlibdir`: platform library directory name, set at configure time
+ by ``--with-platlibdir``, overrideable by the ``PYTHONPLATLIBDIR``
+ environment variable.
+
+ .. versionadded:: 3.10
+
.. c:member:: int buffered_stdio
If equals to 0, enable unbuffered mode, making the stdout and stderr
@@ -884,6 +892,7 @@ Path Configuration
* Path configuration inputs:
* :c:member:`PyConfig.home`
+ * :c:member:`PyConfig.platlibdir`
* :c:member:`PyConfig.pathconfig_warnings`
* :c:member:`PyConfig.program_name`
* :c:member:`PyConfig.pythonpath_env`
diff --git a/Doc/using/cmdline.rst b/Doc/using/cmdline.rst
index b0911956a9..3e0797279d 100644
--- a/Doc/using/cmdline.rst
+++ b/Doc/using/cmdline.rst
@@ -538,6 +538,14 @@ conflict.
within a Python program as the variable :data:`sys.path`.
+.. envvar:: PYTHONPLATLIBDIR
+
+ If this is set to a non-empty string, it overrides the :data:`sys.platlibdir`
+ value.
+
+ .. versionadded:: 3.10
+
+
.. envvar:: PYTHONSTARTUP
If this is the name of a readable file, the Python commands in that file are
diff --git a/Include/cpython/initconfig.h b/Include/cpython/initconfig.h
index e9c2e6bec3..563c2bacfa 100644
--- a/Include/cpython/initconfig.h
+++ b/Include/cpython/initconfig.h
@@ -385,6 +385,7 @@ typedef struct {
wchar_t *base_prefix; /* sys.base_prefix */
wchar_t *exec_prefix; /* sys.exec_prefix */
wchar_t *base_exec_prefix; /* sys.base_exec_prefix */
+ wchar_t *platlibdir; /* sys.platlibdir */
/* --- Parameter only used by Py_Main() ---------- */
diff --git a/Lib/test/test_embed.py b/Lib/test/test_embed.py
index 3d60b2f330..f1371db866 100644
--- a/Lib/test/test_embed.py
+++ b/Lib/test/test_embed.py
@@ -380,6 +380,7 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'exec_prefix': GET_DEFAULT_CONFIG,
'base_exec_prefix': GET_DEFAULT_CONFIG,
'module_search_paths': GET_DEFAULT_CONFIG,
+ 'platlibdir': sys.platlibdir,
'site_import': 1,
'bytes_warning': 0,
@@ -585,13 +586,14 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
if value is self.GET_DEFAULT_CONFIG:
expected[key] = config[key]
- pythonpath_env = expected['pythonpath_env']
- if pythonpath_env is not None:
- paths = pythonpath_env.split(os.path.pathsep)
- expected['module_search_paths'] = [*paths, *expected['module_search_paths']]
- if modify_path_cb is not None:
- expected['module_search_paths'] = expected['module_search_paths'].copy()
- modify_path_cb(expected['module_search_paths'])
+ if expected['module_search_paths'] is not self.IGNORE_CONFIG:
+ pythonpath_env = expected['pythonpath_env']
+ if pythonpath_env is not None:
+ paths = pythonpath_env.split(os.path.pathsep)
+ expected['module_search_paths'] = [*paths, *expected['module_search_paths']]
+ if modify_path_cb is not None:
+ expected['module_search_paths'] = expected['module_search_paths'].copy()
+ modify_path_cb(expected['module_search_paths'])
for key in self.COPY_PRE_CONFIG:
if key not in expected_preconfig:
@@ -764,6 +766,8 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'buffered_stdio': 0,
'user_site_directory': 0,
'faulthandler': 1,
+ 'platlibdir': 'my_platlibdir',
+ 'module_search_paths': self.IGNORE_CONFIG,
'check_hash_pycs_mode': 'always',
'pathconfig_warnings': 0,
@@ -795,6 +799,8 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'user_site_directory': 0,
'faulthandler': 1,
'warnoptions': ['EnvVar'],
+ 'platlibdir': 'env_platlibdir',
+ 'module_search_paths': self.IGNORE_CONFIG,
'_use_peg_parser': 0,
}
self.check_all_configs("test_init_compat_env", config, preconfig,
@@ -823,6 +829,8 @@ class InitConfigTests(EmbeddingTestsMixin, unittest.TestCase):
'user_site_directory': 0,
'faulthandler': 1,
'warnoptions': ['EnvVar'],
+ 'platlibdir': 'env_platlibdir',
+ 'module_search_paths': self.IGNORE_CONFIG,
'_use_peg_parser': 0,
}
self.check_all_configs("test_init_python_env", config, preconfig,
diff --git a/Makefile.pre.in b/Makefile.pre.in
index b115e7fc01..9cb7a23eea 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -811,6 +811,11 @@ Python/sysmodule.o: $(srcdir)/Python/sysmodule.c Makefile $(srcdir)/Include/pydt
$(MULTIARCH_CPPFLAGS) \
-o $@ $(srcdir)/Python/sysmodule.c
+Python/initconfig.o: $(srcdir)/Python/initconfig.c
+ $(CC) -c $(PY_CORE_CFLAGS) \
+ -DPLATLIBDIR='"$(PLATLIBDIR)"' \
+ -o $@ $(srcdir)/Python/initconfig.c
+
$(IO_OBJS): $(IO_H)
.PHONY: regen-grammar
diff --git a/Misc/NEWS.d/next/Core and Builtins/2020-06-03-13-53-24.bpo-40854.O6vfQU.rst b/Misc/NEWS.d/next/Core and Builtins/2020-06-03-13-53-24.bpo-40854.O6vfQU.rst
new file mode 100644
index 0000000000..6ef4ed5af7
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2020-06-03-13-53-24.bpo-40854.O6vfQU.rst
@@ -0,0 +1 @@
+Allow overriding :data:`sys.platlibdir` via a new :envvar:`PYTHONPLATLIBDIR` environment variable.
diff --git a/Misc/python.man b/Misc/python.man
index 89a15a5e7b..74b2d72939 100644
--- a/Misc/python.man
+++ b/Misc/python.man
@@ -413,6 +413,8 @@ inserted in the path in front of $PYTHONPATH.
The search path can be manipulated from within a Python program as the
variable
.IR sys.path .
+.IP PYTHONPLATLIBDIR
+Override sys.platlibdir.
.IP PYTHONSTARTUP
If this is the name of a readable file, the Python commands in that
file are executed before the first prompt is displayed in interactive
diff --git a/Modules/getpath.c b/Modules/getpath.c
index d9829f8ad3..469c9ca010 100644
--- a/Modules/getpath.c
+++ b/Modules/getpath.c
@@ -105,8 +105,8 @@ extern "C" {
#if (!defined(PREFIX) || !defined(EXEC_PREFIX) \
- || !defined(VERSION) || !defined(VPATH) || !defined(PLATLIBDIR))
-#error "PREFIX, EXEC_PREFIX, VERSION, VPATH and PLATLIBDIR macros must be defined"
+ || !defined(VERSION) || !defined(VPATH))
+#error "PREFIX, EXEC_PREFIX, VERSION and VPATH macros must be defined"
#endif
#ifndef LANDMARK
@@ -128,7 +128,6 @@ typedef struct {
wchar_t *pythonpath_macro; /* PYTHONPATH macro */
wchar_t *prefix_macro; /* PREFIX macro */
wchar_t *exec_prefix_macro; /* EXEC_PREFIX macro */
- wchar_t *platlibdir_macro; /* PLATLIBDIR macro */
wchar_t *vpath_macro; /* VPATH macro */
wchar_t *lib_python; /* "lib/pythonX.Y" */
@@ -138,6 +137,7 @@ typedef struct {
int warnings;
const wchar_t *pythonpath_env;
+ const wchar_t *platlibdir;
wchar_t *argv0_path;
wchar_t *zip_path;
@@ -811,7 +811,7 @@ calculate_exec_prefix(PyCalculatePath *calculate, _PyPathConfig *pathconfig)
}
/* <PLATLIBDIR> / "lib-dynload" */
- wchar_t *lib_dynload = joinpath2(calculate->platlibdir_macro,
+ wchar_t *lib_dynload = joinpath2(calculate->platlibdir,
L"lib-dynload");
if (lib_dynload == NULL) {
return _PyStatus_NO_MEMORY();
@@ -1297,7 +1297,7 @@ calculate_zip_path(PyCalculatePath *calculate)
PyStatus res;
/* Path: <PLATLIBDIR> / "pythonXY.zip" */
- wchar_t *path = joinpath2(calculate->platlibdir_macro, L"python" Py_STRINGIFY(PY_MAJOR_VERSION) Py_STRINGIFY(PY_MINOR_VERSION) L".zip");
+ wchar_t *path = joinpath2(calculate->platlibdir, L"python" Py_STRINGIFY(PY_MAJOR_VERSION) Py_STRINGIFY(PY_MINOR_VERSION) L".zip");
if (path == NULL) {
return _PyStatus_NO_MEMORY();
}
@@ -1451,10 +1451,6 @@ calculate_init(PyCalculatePath *calculate, const PyConfig *config)
if (!calculate->vpath_macro) {
return DECODE_LOCALE_ERR("VPATH macro", len);
}
- calculate->platlibdir_macro = Py_DecodeLocale(PLATLIBDIR, &len);
- if (!calculate->platlibdir_macro) {
- return DECODE_LOCALE_ERR("PLATLIBDIR macro", len);
- }
calculate->lib_python = Py_DecodeLocale(PLATLIBDIR "/python" VERSION, &len);
if (!calculate->lib_python) {
@@ -1463,6 +1459,7 @@ calculate_init(PyCalculatePath *calculate, const PyConfig *config)
calculate->warnings = config->pathconfig_warnings;
calculate->pythonpath_env = config->pythonpath_env;
+ calculate->platlibdir = config->platlibdir;
return _PyStatus_OK();
}
@@ -1475,7 +1472,6 @@ calculate_free(PyCalculatePath *calculate)
PyMem_RawFree(calculate->prefix_macro);
PyMem_RawFree(calculate->exec_prefix_macro);
PyMem_RawFree(calculate->vpath_macro);
- PyMem_RawFree(calculate->platlibdir_macro);
PyMem_RawFree(calculate->lib_python);
PyMem_RawFree(calculate->path_env);
PyMem_RawFree(calculate->zip_path);
diff --git a/Programs/_testembed.c b/Programs/_testembed.c
index 5c83678f65..11524dfbc0 100644
--- a/Programs/_testembed.c
+++ b/Programs/_testembed.c
@@ -548,6 +548,13 @@ static int test_init_from_config(void)
/* FIXME: test home */
/* FIXME: test path config: module_search_path .. dll_path */
+ putenv("PYTHONPLATLIBDIR=env_platlibdir");
+ status = PyConfig_SetBytesString(&config, &config.platlibdir, "my_platlibdir");
+ if (PyStatus_Exception(status)) {
+ PyConfig_Clear(&config);
+ Py_ExitStatusException(status);
+ }
+
putenv("PYTHONVERBOSE=0");
Py_VerboseFlag = 0;
config.verbose = 1;
@@ -668,6 +675,7 @@ static void set_most_env_vars(void)
putenv("PYTHONFAULTHANDLER=1");
putenv("PYTHONIOENCODING=iso8859-1:replace");
putenv("PYTHONOLDPARSER=1");
+ putenv("PYTHONPLATLIBDIR=env_platlibdir");
}
diff --git a/Python/initconfig.c b/Python/initconfig.c
index 185935c05f..834b8ed943 100644
--- a/Python/initconfig.c
+++ b/Python/initconfig.c
@@ -24,6 +24,10 @@
# endif
#endif
+#ifndef PLATLIBDIR
+# error "PLATLIBDIR macro must be defined"
+#endif
+
/* --- Command line options --------------------------------------- */
@@ -110,6 +114,7 @@ PYTHONPATH : '%lc'-separated list of directories prefixed to the\n\
static const char usage_5[] =
"PYTHONHOME : alternate <prefix> directory (or <prefix>%lc<exec_prefix>).\n"
" The default module search path uses %s.\n"
+"PYTHONPLATLIBDIR : override sys.platlibdir.\n"
"PYTHONCASEOK : ignore case in 'import' statements (Windows).\n"
"PYTHONUTF8: if set to 1, enable the UTF-8 mode.\n"
"PYTHONIOENCODING: Encoding[:errors] used for stdin/stdout/stderr.\n"
@@ -588,6 +593,7 @@ PyConfig_Clear(PyConfig *config)
CLEAR(config->base_prefix);
CLEAR(config->exec_prefix);
CLEAR(config->base_exec_prefix);
+ CLEAR(config->platlibdir);
CLEAR(config->filesystem_encoding);
CLEAR(config->filesystem_errors);
@@ -824,6 +830,7 @@ _PyConfig_Copy(PyConfig *config, const PyConfig *config2)
COPY_WSTR_ATTR(base_prefix);
COPY_WSTR_ATTR(exec_prefix);
COPY_WSTR_ATTR(base_exec_prefix);
+ COPY_WSTR_ATTR(platlibdir);
COPY_ATTR(site_import);
COPY_ATTR(bytes_warning);
@@ -926,6 +933,7 @@ config_as_dict(const PyConfig *config)
SET_ITEM_WSTR(base_prefix);
SET_ITEM_WSTR(exec_prefix);
SET_ITEM_WSTR(base_exec_prefix);
+ SET_ITEM_WSTR(platlibdir);
SET_ITEM_INT(site_import);
SET_ITEM_INT(bytes_warning);
SET_ITEM_INT(inspect);
@@ -1336,6 +1344,14 @@ config_read_env_vars(PyConfig *config)
}
}
+ if(config->platlibdir == NULL) {
+ status = CONFIG_GET_ENV_DUP(config, &config->platlibdir,
+ L"PYTHONPLATLIBDIR", "PYTHONPLATLIBDIR");
+ if (_PyStatus_EXCEPTION(status)) {
+ return status;
+ }
+ }
+
if (config->use_hash_seed < 0) {
status = config_init_hash_seed(config);
if (_PyStatus_EXCEPTION(status)) {
@@ -1731,6 +1747,14 @@ config_read(PyConfig *config)
}
}
+ if(config->platlibdir == NULL) {
+ status = CONFIG_SET_BYTES_STR(config, &config->platlibdir, PLATLIBDIR,
+ "PLATLIBDIR macro");
+ if (_PyStatus_EXCEPTION(status)) {
+ return status;
+ }
+ }
+
if (config->_install_importlib) {
status = _PyConfig_InitPathConfig(config);
if (_PyStatus_EXCEPTION(status)) {
@@ -2554,6 +2578,7 @@ PyConfig_Read(PyConfig *config)
assert(config->exec_prefix != NULL);
assert(config->base_exec_prefix != NULL);
}
+ assert(config->platlibdir != NULL);
assert(config->filesystem_encoding != NULL);
assert(config->filesystem_errors != NULL);
assert(config->stdio_encoding != NULL);
@@ -2704,6 +2729,7 @@ _Py_DumpPathConfig(PyThreadState *tstate)
DUMP_SYS(_base_executable);
DUMP_SYS(base_prefix);
DUMP_SYS(base_exec_prefix);
+ DUMP_SYS(platlibdir);
DUMP_SYS(executable);
DUMP_SYS(prefix);
DUMP_SYS(exec_prefix);
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index e3fe143614..3e4115fe8e 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -2922,13 +2922,7 @@ _PySys_InitMain(PyThreadState *tstate)
SET_SYS_FROM_WSTR("base_prefix", config->base_prefix);
SET_SYS_FROM_WSTR("exec_prefix", config->exec_prefix);
SET_SYS_FROM_WSTR("base_exec_prefix", config->base_exec_prefix);
- {
- PyObject *str = PyUnicode_FromString(PLATLIBDIR);
- if (str == NULL) {
- return -1;
- }
- SET_SYS_FROM_STRING("platlibdir", str);
- }
+ SET_SYS_FROM_WSTR("platlibdir", config->platlibdir);
if (config->pycache_prefix != NULL) {
SET_SYS_FROM_WSTR("pycache_prefix", config->pycache_prefix);