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1 #ifndef Py_PYCORECONFIG_H
2 #define Py_PYCORECONFIG_H
3 #ifndef Py_LIMITED_API
4 #ifdef __cplusplus
5 extern "C" {
6 #endif
7 
8 /* --- PyStatus ----------------------------------------------- */
9 
10 typedef struct {
11     enum {
12         _PyStatus_TYPE_OK=0,
13         _PyStatus_TYPE_ERROR=1,
14         _PyStatus_TYPE_EXIT=2
15     } _type;
16     const char *func;
17     const char *err_msg;
18     int exitcode;
19 } PyStatus;
20 
21 PyAPI_FUNC(PyStatus) PyStatus_Ok(void);
22 PyAPI_FUNC(PyStatus) PyStatus_Error(const char *err_msg);
23 PyAPI_FUNC(PyStatus) PyStatus_NoMemory(void);
24 PyAPI_FUNC(PyStatus) PyStatus_Exit(int exitcode);
25 PyAPI_FUNC(int) PyStatus_IsError(PyStatus err);
26 PyAPI_FUNC(int) PyStatus_IsExit(PyStatus err);
27 PyAPI_FUNC(int) PyStatus_Exception(PyStatus err);
28 
29 /* --- PyWideStringList ------------------------------------------------ */
30 
31 typedef struct {
32     /* If length is greater than zero, items must be non-NULL
33        and all items strings must be non-NULL */
34     Py_ssize_t length;
35     wchar_t **items;
36 } PyWideStringList;
37 
38 PyAPI_FUNC(PyStatus) PyWideStringList_Append(PyWideStringList *list,
39     const wchar_t *item);
40 PyAPI_FUNC(PyStatus) PyWideStringList_Insert(PyWideStringList *list,
41     Py_ssize_t index,
42     const wchar_t *item);
43 
44 
45 /* --- PyPreConfig ----------------------------------------------- */
46 
47 typedef struct PyPreConfig {
48     int _config_init;     /* _PyConfigInitEnum value */
49 
50     /* Parse Py_PreInitializeFromBytesArgs() arguments?
51        See PyConfig.parse_argv */
52     int parse_argv;
53 
54     /* If greater than 0, enable isolated mode: sys.path contains
55        neither the script's directory nor the user's site-packages directory.
56 
57        Set to 1 by the -I command line option. If set to -1 (default), inherit
58        Py_IsolatedFlag value. */
59     int isolated;
60 
61     /* If greater than 0: use environment variables.
62        Set to 0 by -E command line option. If set to -1 (default), it is
63        set to !Py_IgnoreEnvironmentFlag. */
64     int use_environment;
65 
66     /* Set the LC_CTYPE locale to the user preferred locale? If equals to 0,
67        set coerce_c_locale and coerce_c_locale_warn to 0. */
68     int configure_locale;
69 
70     /* Coerce the LC_CTYPE locale if it's equal to "C"? (PEP 538)
71 
72        Set to 0 by PYTHONCOERCECLOCALE=0. Set to 1 by PYTHONCOERCECLOCALE=1.
73        Set to 2 if the user preferred LC_CTYPE locale is "C".
74 
75        If it is equal to 1, LC_CTYPE locale is read to decide if it should be
76        coerced or not (ex: PYTHONCOERCECLOCALE=1). Internally, it is set to 2
77        if the LC_CTYPE locale must be coerced.
78 
79        Disable by default (set to 0). Set it to -1 to let Python decide if it
80        should be enabled or not. */
81     int coerce_c_locale;
82 
83     /* Emit a warning if the LC_CTYPE locale is coerced?
84 
85        Set to 1 by PYTHONCOERCECLOCALE=warn.
86 
87        Disable by default (set to 0). Set it to -1 to let Python decide if it
88        should be enabled or not. */
89     int coerce_c_locale_warn;
90 
91 #ifdef MS_WINDOWS
92     /* If greater than 1, use the "mbcs" encoding instead of the UTF-8
93        encoding for the filesystem encoding.
94 
95        Set to 1 if the PYTHONLEGACYWINDOWSFSENCODING environment variable is
96        set to a non-empty string. If set to -1 (default), inherit
97        Py_LegacyWindowsFSEncodingFlag value.
98 
99        See PEP 529 for more details. */
100     int legacy_windows_fs_encoding;
101 #endif
102 
103     /* Enable UTF-8 mode? (PEP 540)
104 
105        Disabled by default (equals to 0).
106 
107        Set to 1 by "-X utf8" and "-X utf8=1" command line options.
108        Set to 1 by PYTHONUTF8=1 environment variable.
109 
110        Set to 0 by "-X utf8=0" and PYTHONUTF8=0.
111 
112        If equals to -1, it is set to 1 if the LC_CTYPE locale is "C" or
113        "POSIX", otherwise it is set to 0. Inherit Py_UTF8Mode value value. */
114     int utf8_mode;
115 
116     /* If non-zero, enable the Python Development Mode.
117 
118        Set to 1 by the -X dev command line option. Set by the PYTHONDEVMODE
119        environment variable. */
120     int dev_mode;
121 
122     /* Memory allocator: PYTHONMALLOC env var.
123        See PyMemAllocatorName for valid values. */
124     int allocator;
125 } PyPreConfig;
126 
127 PyAPI_FUNC(void) PyPreConfig_InitPythonConfig(PyPreConfig *config);
128 PyAPI_FUNC(void) PyPreConfig_InitIsolatedConfig(PyPreConfig *config);
129 
130 
131 /* --- PyConfig ---------------------------------------------- */
132 
133 /* This structure is best documented in the Doc/c-api/init_config.rst file. */
134 typedef struct PyConfig {
135     int _config_init;     /* _PyConfigInitEnum value */
136 
137     int isolated;
138     int use_environment;
139     int dev_mode;
140     int install_signal_handlers;
141     int use_hash_seed;
142     unsigned long hash_seed;
143     int faulthandler;
144     int tracemalloc;
145     int import_time;
146     int show_ref_count;
147     int dump_refs;
148     int malloc_stats;
149     wchar_t *filesystem_encoding;
150     wchar_t *filesystem_errors;
151     wchar_t *pycache_prefix;
152     int parse_argv;
153     PyWideStringList orig_argv;
154     PyWideStringList argv;
155     PyWideStringList xoptions;
156     PyWideStringList warnoptions;
157     int site_import;
158     int bytes_warning;
159     int warn_default_encoding;
160     int inspect;
161     int interactive;
162     int optimization_level;
163     int parser_debug;
164     int write_bytecode;
165     int verbose;
166     int quiet;
167     int user_site_directory;
168     int configure_c_stdio;
169     int buffered_stdio;
170     wchar_t *stdio_encoding;
171     wchar_t *stdio_errors;
172 #ifdef MS_WINDOWS
173     int legacy_windows_stdio;
174 #endif
175     wchar_t *check_hash_pycs_mode;
176 
177     /* --- Path configuration inputs ------------ */
178     int pathconfig_warnings;
179     wchar_t *program_name;
180     wchar_t *pythonpath_env;
181     wchar_t *home;
182     wchar_t *platlibdir;
183 
184     /* --- Path configuration outputs ----------- */
185     int module_search_paths_set;
186     PyWideStringList module_search_paths;
187     wchar_t *executable;
188     wchar_t *base_executable;
189     wchar_t *prefix;
190     wchar_t *base_prefix;
191     wchar_t *exec_prefix;
192     wchar_t *base_exec_prefix;
193 
194     /* --- Parameter only used by Py_Main() ---------- */
195     int skip_source_first_line;
196     wchar_t *run_command;
197     wchar_t *run_module;
198     wchar_t *run_filename;
199 
200     /* --- Private fields ---------------------------- */
201 
202     // Install importlib? If equals to 0, importlib is not initialized at all.
203     // Needed by freeze_importlib.
204     int _install_importlib;
205 
206     // If equal to 0, stop Python initialization before the "main" phase.
207     int _init_main;
208 
209     // If non-zero, disallow threads, subprocesses, and fork.
210     // Default: 0.
211     int _isolated_interpreter;
212 } PyConfig;
213 
214 PyAPI_FUNC(void) PyConfig_InitPythonConfig(PyConfig *config);
215 PyAPI_FUNC(void) PyConfig_InitIsolatedConfig(PyConfig *config);
216 PyAPI_FUNC(void) PyConfig_Clear(PyConfig *);
217 PyAPI_FUNC(PyStatus) PyConfig_SetString(
218     PyConfig *config,
219     wchar_t **config_str,
220     const wchar_t *str);
221 PyAPI_FUNC(PyStatus) PyConfig_SetBytesString(
222     PyConfig *config,
223     wchar_t **config_str,
224     const char *str);
225 PyAPI_FUNC(PyStatus) PyConfig_Read(PyConfig *config);
226 PyAPI_FUNC(PyStatus) PyConfig_SetBytesArgv(
227     PyConfig *config,
228     Py_ssize_t argc,
229     char * const *argv);
230 PyAPI_FUNC(PyStatus) PyConfig_SetArgv(PyConfig *config,
231     Py_ssize_t argc,
232     wchar_t * const *argv);
233 PyAPI_FUNC(PyStatus) PyConfig_SetWideStringList(PyConfig *config,
234     PyWideStringList *list,
235     Py_ssize_t length, wchar_t **items);
236 
237 
238 /* --- Helper functions --------------------------------------- */
239 
240 /* Get the original command line arguments, before Python modified them.
241 
242    See also PyConfig.orig_argv. */
243 PyAPI_FUNC(void) Py_GetArgcArgv(int *argc, wchar_t ***argv);
244 
245 #ifdef __cplusplus
246 }
247 #endif
248 #endif /* !Py_LIMITED_API */
249 #endif /* !Py_PYCORECONFIG_H */
250