summaryrefslogtreecommitdiffstats
path: root/Include/cpython/initconfig.h
blob: 3b6d59389f26b9dcea2f1bbe9ad1116fae4b9588 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
#ifndef Py_PYCORECONFIG_H
#define Py_PYCORECONFIG_H
#ifndef Py_LIMITED_API
#ifdef __cplusplus
extern "C" {
#endif

/* --- PyStatus ----------------------------------------------- */

typedef struct {
    enum {
        _PyStatus_TYPE_OK=0,
        _PyStatus_TYPE_ERROR=1,
        _PyStatus_TYPE_EXIT=2
    } _type;
    const char *func;
    const char *err_msg;
    int exitcode;
} PyStatus;

PyAPI_FUNC(PyStatus) PyStatus_Ok(void);
PyAPI_FUNC(PyStatus) PyStatus_Error(const char *err_msg);
PyAPI_FUNC(PyStatus) PyStatus_NoMemory(void);
PyAPI_FUNC(PyStatus) PyStatus_Exit(int exitcode);
PyAPI_FUNC(int) PyStatus_IsError(PyStatus err);
PyAPI_FUNC(int) PyStatus_IsExit(PyStatus err);
PyAPI_FUNC(int) PyStatus_Exception(PyStatus err);

/* --- PyWideStringList ------------------------------------------------ */

typedef struct {
    /* If length is greater than zero, items must be non-NULL
       and all items strings must be non-NULL */
    Py_ssize_t length;
    wchar_t **items;
} PyWideStringList;

PyAPI_FUNC(PyStatus) PyWideStringList_Append(PyWideStringList *list,
    const wchar_t *item);
PyAPI_FUNC(PyStatus) PyWideStringList_Insert(PyWideStringList *list,
    Py_ssize_t index,
    const wchar_t *item);


/* --- PyPreConfig ----------------------------------------------- */

typedef struct PyPreConfig {
    int _config_init;     /* _PyConfigInitEnum value */

    /* Parse Py_PreInitializeFromBytesArgs() arguments?
       See PyConfig.parse_argv */
    int parse_argv;

    /* If greater than 0, enable isolated mode: sys.path contains
       neither the script's directory nor the user's site-packages directory.

       Set to 1 by the -I command line option. If set to -1 (default), inherit
       Py_IsolatedFlag value. */
    int isolated;

    /* If greater than 0: use environment variables.
       Set to 0 by -E command line option. If set to -1 (default), it is
       set to !Py_IgnoreEnvironmentFlag. */
    int use_environment;

    /* Set the LC_CTYPE locale to the user preferred locale? If equals to 0,
       set coerce_c_locale and coerce_c_locale_warn to 0. */
    int configure_locale;

    /* Coerce the LC_CTYPE locale if it's equal to "C"? (PEP 538)

       Set to 0 by PYTHONCOERCECLOCALE=0. Set to 1 by PYTHONCOERCECLOCALE=1.
       Set to 2 if the user preferred LC_CTYPE locale is "C".

       If it is equal to 1, LC_CTYPE locale is read to decide if it should be
       coerced or not (ex: PYTHONCOERCECLOCALE=1). Internally, it is set to 2
       if the LC_CTYPE locale must be coerced.

       Disable by default (set to 0). Set it to -1 to let Python decide if it
       should be enabled or not. */
    int coerce_c_locale;

    /* Emit a warning if the LC_CTYPE locale is coerced?

       Set to 1 by PYTHONCOERCECLOCALE=warn.

       Disable by default (set to 0). Set it to -1 to let Python decide if it
       should be enabled or not. */
    int coerce_c_locale_warn;

#ifdef MS_WINDOWS
    /* If greater than 1, use the "mbcs" encoding instead of the UTF-8
       encoding for the filesystem encoding.

       Set to 1 if the PYTHONLEGACYWINDOWSFSENCODING environment variable is
       set to a non-empty string. If set to -1 (default), inherit
       Py_LegacyWindowsFSEncodingFlag value.

       See PEP 529 for more details. */
    int legacy_windows_fs_encoding;
#endif

    /* Enable UTF-8 mode? (PEP 540)

       Disabled by default (equals to 0).

       Set to 1 by "-X utf8" and "-X utf8=1" command line options.
       Set to 1 by PYTHONUTF8=1 environment variable.

       Set to 0 by "-X utf8=0" and PYTHONUTF8=0.

       If equals to -1, it is set to 1 if the LC_CTYPE locale is "C" or
       "POSIX", otherwise it is set to 0. Inherit Py_UTF8Mode value value. */
    int utf8_mode;

    /* If non-zero, enable the Python Development Mode.

       Set to 1 by the -X dev command line option. Set by the PYTHONDEVMODE
       environment variable. */
    int dev_mode;

    /* Memory allocator: PYTHONMALLOC env var.
       See PyMemAllocatorName for valid values. */
    int allocator;
} PyPreConfig;

PyAPI_FUNC(void) PyPreConfig_InitPythonConfig(PyPreConfig *config);
PyAPI_FUNC(void) PyPreConfig_InitIsolatedConfig(PyPreConfig *config);


/* --- PyConfig ---------------------------------------------- */

/* This structure is best documented in the Doc/c-api/init_config.rst file. */
typedef struct PyConfig {
    int _config_init;     /* _PyConfigInitEnum value */

    int isolated;
    int use_environment;
    int dev_mode;
    int install_signal_handlers;
    int use_hash_seed;
    unsigned long hash_seed;
    int faulthandler;
    int tracemalloc;
    int import_time;
    int code_debug_ranges;
    int show_ref_count;
    int dump_refs;
    wchar_t *dump_refs_file;
    int malloc_stats;
    wchar_t *filesystem_encoding;
    wchar_t *filesystem_errors;
    wchar_t *pycache_prefix;
    int parse_argv;
    PyWideStringList orig_argv;
    PyWideStringList argv;
    PyWideStringList xoptions;
    PyWideStringList warnoptions;
    int site_import;
    int bytes_warning;
    int warn_default_encoding;
    int inspect;
    int interactive;
    int optimization_level;
    int parser_debug;
    int write_bytecode;
    int verbose;
    int quiet;
    int user_site_directory;
    int configure_c_stdio;
    int buffered_stdio;
    wchar_t *stdio_encoding;
    wchar_t *stdio_errors;
#ifdef MS_WINDOWS
    int legacy_windows_stdio;
#endif
    wchar_t *check_hash_pycs_mode;
    int use_frozen_modules;
    int safe_path;

    /* --- Path configuration inputs ------------ */
    int pathconfig_warnings;
    wchar_t *program_name;
    wchar_t *pythonpath_env;
    wchar_t *home;
    wchar_t *platlibdir;

    /* --- Path configuration outputs ----------- */
    int module_search_paths_set;
    PyWideStringList module_search_paths;
    wchar_t *stdlib_dir;
    wchar_t *executable;
    wchar_t *base_executable;
    wchar_t *prefix;
    wchar_t *base_prefix;
    wchar_t *exec_prefix;
    wchar_t *base_exec_prefix;

    /* --- Parameter only used by Py_Main() ---------- */
    int skip_source_first_line;
    wchar_t *run_command;
    wchar_t *run_module;
    wchar_t *run_filename;

    /* --- Private fields ---------------------------- */

    // Install importlib? If equals to 0, importlib is not initialized at all.
    // Needed by freeze_importlib.
    int _install_importlib;

    // If equal to 0, stop Python initialization before the "main" phase.
    int _init_main;

    // If non-zero, disallow threads, subprocesses, and fork.
    // Default: 0.
    int _isolated_interpreter;

    // If non-zero, we believe we're running from a source tree.
    int _is_python_build;
} PyConfig;

PyAPI_FUNC(void) PyConfig_InitPythonConfig(PyConfig *config);
PyAPI_FUNC(void) PyConfig_InitIsolatedConfig(PyConfig *config);
PyAPI_FUNC(void) PyConfig_Clear(PyConfig *);
PyAPI_FUNC(PyStatus) PyConfig_SetString(
    PyConfig *config,
    wchar_t **config_str,
    const wchar_t *str);
PyAPI_FUNC(PyStatus) PyConfig_SetBytesString(
    PyConfig *config,
    wchar_t **config_str,
    const char *str);
PyAPI_FUNC(PyStatus) PyConfig_Read(PyConfig *config);
PyAPI_FUNC(PyStatus) PyConfig_SetBytesArgv(
    PyConfig *config,
    Py_ssize_t argc,
    char * const *argv);
PyAPI_FUNC(PyStatus) PyConfig_SetArgv(PyConfig *config,
    Py_ssize_t argc,
    wchar_t * const *argv);
PyAPI_FUNC(PyStatus) PyConfig_SetWideStringList(PyConfig *config,
    PyWideStringList *list,
    Py_ssize_t length, wchar_t **items);


/* --- Helper functions --------------------------------------- */

/* Get the original command line arguments, before Python modified them.

   See also PyConfig.orig_argv. */
PyAPI_FUNC(void) Py_GetArgcArgv(int *argc, wchar_t ***argv);

#ifdef __cplusplus
}
#endif
#endif /* !Py_LIMITED_API */
#endif /* !Py_PYCORECONFIG_H */