summaryrefslogtreecommitdiffstats
path: root/Modules/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'Modules/main.c')
-rw-r--r--Modules/main.c170
1 files changed, 113 insertions, 57 deletions
diff --git a/Modules/main.c b/Modules/main.c
index e2ca72c..6d53c56 100644
--- a/Modules/main.c
+++ b/Modules/main.c
@@ -162,8 +162,8 @@ pymain_get_env_var(const char *name)
static void
pymain_run_startup(PyCompilerFlags *cf)
{
- char *startup = Py_GETENV("PYTHONSTARTUP");
- if (startup == NULL || startup[0] == '\0') {
+ char *startup = pymain_get_env_var("PYTHONSTARTUP");
+ if (startup == NULL) {
return;
}
@@ -377,23 +377,28 @@ typedef struct {
wchar_t *command; /* -c argument */
wchar_t *module; /* -m argument */
_Py_OptList warning_options; /* -W options */
- PyObject *extra_options; /* -X options */
int print_help; /* -h, -? options */
int print_version; /* -V option */
- int bytes_warning; /* Py_BytesWarningFlag */
- int debug; /* Py_DebugFlag */
- int inspect; /* Py_InspectFlag */
- int interactive; /* Py_InteractiveFlag */
- int isolated; /* Py_IsolatedFlag */
- int optimization_level; /* Py_OptimizeFlag */
- int dont_write_bytecode; /* Py_DontWriteBytecodeFlag */
- int no_user_site_directory; /* Py_NoUserSiteDirectory */
- int no_site_import; /* Py_NoSiteFlag */
- int use_unbuffered_io; /* Py_UnbufferedStdioFlag */
- int verbosity; /* Py_VerboseFlag */
- int quiet_flag; /* Py_QuietFlag */
+ int bytes_warning; /* Py_BytesWarningFlag, -b */
+ int debug; /* Py_DebugFlag, -b, PYTHONDEBUG */
+ int inspect; /* Py_InspectFlag, -i, PYTHONINSPECT */
+ int interactive; /* Py_InteractiveFlag, -i */
+ int isolated; /* Py_IsolatedFlag, -I */
+ int optimization_level; /* Py_OptimizeFlag, -O, PYTHONOPTIMIZE */
+ int dont_write_bytecode; /* Py_DontWriteBytecodeFlag, -B, PYTHONDONTWRITEBYTECODE */
+ int no_user_site_directory; /* Py_NoUserSiteDirectory, -I, -s, PYTHONNOUSERSITE */
+ int no_site_import; /* Py_NoSiteFlag, -S */
+ int use_unbuffered_io; /* Py_UnbufferedStdioFlag, -u, PYTHONUNBUFFERED */
+ int verbosity; /* Py_VerboseFlag, -v, PYTHONVERBOSE */
+ int quiet_flag; /* Py_QuietFlag, -q */
int skip_first_line; /* -x option */
_Py_OptList xoptions; /* -X options */
+#ifdef MS_WINDOWS
+ int legacy_windows_fs_encoding; /* Py_LegacyWindowsFSEncodingFlag,
+ PYTHONLEGACYWINDOWSFSENCODING */
+ int legacy_windows_stdio; /* Py_LegacyWindowsStdioFlag,
+ PYTHONLEGACYWINDOWSSTDIO */
+#endif
} _Py_CommandLineDetails;
/* Structure used by Py_Main() to pass data to subfunctions */
@@ -695,19 +700,6 @@ pymain_parse_cmdline_impl(_PyMain *pymain)
}
-static void
-maybe_set_flag(int *flag, int value)
-{
- /* Helper to set flag variables from command line options
- * - uses the higher of the two values if they're both set
- * - otherwise leaves the flag unset
- */
- if (*flag < value) {
- *flag = value;
- }
-}
-
-
static int
pymain_add_xoptions(_PyMain *pymain)
{
@@ -790,9 +782,8 @@ pymain_warnings_envvar(_PyMain *pymain)
PyMem_RawFree(buf);
}
#else
- char *p;
-
- if ((p = Py_GETENV("PYTHONWARNINGS")) && *p != '\0') {
+ char *p = pymain_get_env_var("PYTHONWARNINGS");
+ if (p != NULL) {
char *buf, *oldloc;
/* settle for strtok here as there's no one standard
@@ -885,7 +876,6 @@ config_get_program_name(_PyMainInterpreterConfig *config)
}
#ifdef __APPLE__
- char *p;
/* On MacOS X, when the Python interpreter is embedded in an
application bundle, it gets executed by a bootstrapping script
that does os.execve() with an argv[0] that's different from the
@@ -895,7 +885,8 @@ config_get_program_name(_PyMainInterpreterConfig *config)
so the actual executable path is passed in an environment variable.
See Lib/plat-mac/bundlebuiler.py for details about the bootstrap
script. */
- if ((p = Py_GETENV("PYTHONEXECUTABLE")) && *p != '\0') {
+ char *p = pymain_get_env_var("PYTHONEXECUTABLE");
+ if (p != NULL) {
size_t len;
wchar_t* program_name = Py_DecodeLocale(p, &len);
if (program_name == NULL) {
@@ -1015,25 +1006,76 @@ pymain_set_argv(_PyMain *pymain)
}
+static void
+pymain_get_flag(int flag, int *value)
+{
+ if (flag) {
+ *value = flag;
+ }
+}
+
+static void
+pymain_set_flag(int *flag, int value)
+{
+ /* Helper to set flag variables from command line options
+ * - uses the higher of the two values if they're both set
+ * - otherwise leaves the flag unset
+ */
+ if (*flag < value) {
+ *flag = value;
+ }
+}
+
+
+/* Get Py_xxx global configuration variables */
+static void
+pymain_get_global_config(_PyMain *pymain)
+{
+ _Py_CommandLineDetails *cmdline = &pymain->cmdline;
+ pymain_get_flag(Py_BytesWarningFlag, &cmdline->bytes_warning);
+ pymain_get_flag(Py_DebugFlag, &cmdline->debug);
+ pymain_get_flag(Py_InspectFlag, &cmdline->inspect);
+ pymain_get_flag(Py_InteractiveFlag, &cmdline->interactive);
+ pymain_get_flag(Py_IsolatedFlag, &cmdline->isolated);
+ pymain_get_flag(Py_OptimizeFlag, &cmdline->optimization_level);
+ pymain_get_flag(Py_DontWriteBytecodeFlag, &cmdline->dont_write_bytecode);
+ pymain_get_flag(Py_NoUserSiteDirectory, &cmdline->no_user_site_directory);
+ pymain_get_flag(Py_NoSiteFlag, &cmdline->no_site_import);
+ pymain_get_flag(Py_UnbufferedStdioFlag, &cmdline->use_unbuffered_io);
+ pymain_get_flag(Py_VerboseFlag, &cmdline->verbosity);
+ pymain_get_flag(Py_QuietFlag, &cmdline->quiet_flag);
+#ifdef MS_WINDOWS
+ pymain_get_flag(Py_LegacyWindowsFSEncodingFlag, &cmdline->legacy_windows_fs_encoding);
+ pymain_get_flag(Py_LegacyWindowsStdioFlag, &cmdline->legacy_windows_stdio);
+#endif
+
+ pymain_get_flag(Py_IgnoreEnvironmentFlag, &pymain->core_config.ignore_environment);
+}
+
+
/* Set Py_XXX global configuration variables */
static void
pymain_set_global_config(_PyMain *pymain)
{
_Py_CommandLineDetails *cmdline = &pymain->cmdline;
- maybe_set_flag(&Py_BytesWarningFlag, cmdline->bytes_warning);
- maybe_set_flag(&Py_DebugFlag, cmdline->debug);
- maybe_set_flag(&Py_InspectFlag, cmdline->inspect);
- maybe_set_flag(&Py_InteractiveFlag, cmdline->interactive);
- maybe_set_flag(&Py_IsolatedFlag, cmdline->isolated);
- maybe_set_flag(&Py_OptimizeFlag, cmdline->optimization_level);
- maybe_set_flag(&Py_DontWriteBytecodeFlag, cmdline->dont_write_bytecode);
- maybe_set_flag(&Py_NoUserSiteDirectory, cmdline->no_user_site_directory);
- maybe_set_flag(&Py_NoSiteFlag, cmdline->no_site_import);
- maybe_set_flag(&Py_UnbufferedStdioFlag, cmdline->use_unbuffered_io);
- maybe_set_flag(&Py_VerboseFlag, cmdline->verbosity);
- maybe_set_flag(&Py_QuietFlag, cmdline->quiet_flag);
-
- maybe_set_flag(&Py_IgnoreEnvironmentFlag, pymain->core_config.ignore_environment);
+ pymain_set_flag(&Py_BytesWarningFlag, cmdline->bytes_warning);
+ pymain_set_flag(&Py_DebugFlag, cmdline->debug);
+ pymain_set_flag(&Py_InspectFlag, cmdline->inspect);
+ pymain_set_flag(&Py_InteractiveFlag, cmdline->interactive);
+ pymain_set_flag(&Py_IsolatedFlag, cmdline->isolated);
+ pymain_set_flag(&Py_OptimizeFlag, cmdline->optimization_level);
+ pymain_set_flag(&Py_DontWriteBytecodeFlag, cmdline->dont_write_bytecode);
+ pymain_set_flag(&Py_NoUserSiteDirectory, cmdline->no_user_site_directory);
+ pymain_set_flag(&Py_NoSiteFlag, cmdline->no_site_import);
+ pymain_set_flag(&Py_UnbufferedStdioFlag, cmdline->use_unbuffered_io);
+ pymain_set_flag(&Py_VerboseFlag, cmdline->verbosity);
+ pymain_set_flag(&Py_QuietFlag, cmdline->quiet_flag);
+#ifdef MS_WINDOWS
+ pymain_set_flag(&Py_LegacyWindowsFSEncodingFlag, cmdline->legacy_windows_fs_encoding);
+ pymain_set_flag(&Py_LegacyWindowsStdioFlag, cmdline->legacy_windows_stdio);
+#endif
+
+ pymain_set_flag(&Py_IgnoreEnvironmentFlag, pymain->core_config.ignore_environment);
}
@@ -1330,24 +1372,25 @@ pymain_set_flag_from_env(int *flag, const char *name)
static void
pymain_set_flags_from_env(_PyMain *pymain)
{
- pymain_set_flag_from_env(&Py_DebugFlag,
+ _Py_CommandLineDetails *cmdline = &pymain->cmdline;
+ pymain_set_flag_from_env(&cmdline->debug,
"PYTHONDEBUG");
- pymain_set_flag_from_env(&Py_VerboseFlag,
+ pymain_set_flag_from_env(&cmdline->verbosity,
"PYTHONVERBOSE");
- pymain_set_flag_from_env(&Py_OptimizeFlag,
+ pymain_set_flag_from_env(&cmdline->optimization_level,
"PYTHONOPTIMIZE");
- pymain_set_flag_from_env(&Py_InspectFlag,
+ pymain_set_flag_from_env(&cmdline->inspect,
"PYTHONINSPECT");
- pymain_set_flag_from_env(&Py_DontWriteBytecodeFlag,
+ pymain_set_flag_from_env(&cmdline->dont_write_bytecode,
"PYTHONDONTWRITEBYTECODE");
- pymain_set_flag_from_env(&Py_NoUserSiteDirectory,
+ pymain_set_flag_from_env(&cmdline->no_user_site_directory,
"PYTHONNOUSERSITE");
- pymain_set_flag_from_env(&Py_UnbufferedStdioFlag,
+ pymain_set_flag_from_env(&cmdline->use_unbuffered_io,
"PYTHONUNBUFFERED");
#ifdef MS_WINDOWS
- pymain_set_flag_from_env(&Py_LegacyWindowsFSEncodingFlag,
+ pymain_set_flag_from_env(&cmdline->legacy_windows_fs_encoding,
"PYTHONLEGACYWINDOWSFSENCODING");
- pymain_set_flag_from_env(&Py_LegacyWindowsStdioFlag,
+ pymain_set_flag_from_env(&cmdline->legacy_windows_stdio,
"PYTHONLEGACYWINDOWSSTDIO");
#endif
}
@@ -1485,7 +1528,7 @@ pymain_parse_envvars(_PyMain *pymain)
return -1;
}
- core_config->allocator = Py_GETENV("PYTHONMALLOC");
+ core_config->allocator = pymain_get_env_var("PYTHONMALLOC");
/* -X options */
if (pymain_get_xoption(pymain, L"showrefcount")) {
@@ -1514,6 +1557,14 @@ pymain_parse_envvars(_PyMain *pymain)
core_config->faulthandler = 1;
core_config->allocator = "debug";
}
+ if (pymain_get_env_var("PYTHONDUMPREFS")) {
+ pymain->core_config.dump_refs = 1;
+ }
+ if (pymain_get_env_var("PYTHONMALLOCSTATS")) {
+ pymain->core_config.malloc_stats = 1;
+ }
+
+
return 0;
}
@@ -1535,6 +1586,7 @@ pymain_parse_cmdline_envvars_impl(_PyMain *pymain)
return 1;
}
+ /* Set Py_IgnoreEnvironmentFlag needed by Py_GETENV() */
pymain_set_global_config(pymain);
if (pymain_parse_envvars(pymain) < 0) {
@@ -1568,6 +1620,8 @@ pymain_parse_cmdline_envvars(_PyMain *pymain)
static int
pymain_init_python(_PyMain *pymain)
{
+ pymain_set_global_config(pymain);
+
pymain_init_stdio(pymain);
pymain->err = _Py_InitializeCore(&pymain->core_config);
@@ -1641,6 +1695,8 @@ pymain_impl(_PyMain *pymain)
return -1;
}
+ pymain_get_global_config(pymain);
+
res = pymain_parse_cmdline_envvars(pymain);
if (res < 0) {
return -1;