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bpo-34170: Enhance _PyCoreConfig_Read() (GH-8468)

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* Inline cmdline_get_env_flags() into config_read_env_vars():
  _PyCoreConfig_Read() now reads much more environment variables like
  PYTHONVERBOSE.
* Allow to override faulthandler and allocator even if dev_mode=1.
  PYTHONMALLOC is now the priority over PYTHONDEVMODE.
* Fix _PyCoreConfig_Copy(): copy also install_signal_handlers,
  coerce_c_locale and coerce_c_locale_warn
* _PyCoreConfig.install_signal_handlers default is now 1: install
  signals by default
* Fix also a compiler warning: don't define _PyPathConfig type twice.
This commit is contained in:
Victor Stinner 2018-07-26 02:37:22 +02:00 • committed by GitHub
parent 48ed88a93b
commit ecf411c59e
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 97 additions and 77 deletions
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19
Include/pystate.h
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@ -26,15 +26,23 @@ typedef PyObject* (*_PyFrameEvalFunction)(struct _frame *, int);
typedef struct {
int install_signal_handlers; /* Install signal handlers? -1 means unset */
/* Install signal handlers? Yes by default. */
int install_signal_handlers;
int ignore_environment; /* -E, Py_IgnoreEnvironmentFlag, -1 means unset */
int use_hash_seed; /* PYTHONHASHSEED=x */
unsigned long hash_seed;
const char *allocator; /* Memory allocator: _PyMem_SetupAllocators() */
const char *allocator; /* Memory allocator: PYTHONMALLOC */
int dev_mode; /* PYTHONDEVMODE, -X dev */
int faulthandler; /* PYTHONFAULTHANDLER, -X faulthandler */
int tracemalloc; /* PYTHONTRACEMALLOC, -X tracemalloc=N */
/* Enable faulthandler?
Set to 1 by -X faulthandler and PYTHONFAULTHANDLER. -1 means unset. */
int faulthandler;
/* Enable tracemalloc?
Set by -X tracemalloc=N and PYTHONTRACEMALLOC. -1 means unset */
int tracemalloc;
int import_time; /* PYTHONPROFILEIMPORTTIME, -X importtime */
int show_ref_count; /* -X showrefcount */
int show_alloc_count; /* -X showalloccount */
@ -229,9 +237,10 @@ typedef struct {
#define _PyCoreConfig_INIT \
(_PyCoreConfig){ \
.install_signal_handlers = -1, \
.install_signal_handlers = 1, \
.ignore_environment = -1, \
.use_hash_seed = -1, \
.faulthandler = -1, \
.tracemalloc = -1, \
.coerce_c_locale = -1, \
.utf8_mode = -1, \