1
2 /* Frozen modules bootstrap
3 *
4 * Limited and restricted Python interpreter to run
5 * "Tools/scripts/deepfreeze.py" on systems with no or older Python
6 * interpreter.
7 */
8
9 #include "Python.h"
10 #include "pycore_import.h"
11
12 /* Includes for frozen modules: */
13 #include "Python/frozen_modules/importlib._bootstrap.h"
14 #include "Python/frozen_modules/importlib._bootstrap_external.h"
15 /* End includes */
16
17 /* Note that a negative size indicates a package. */
18
19 static const struct _frozen bootstrap_modules[] = {
20 {"_frozen_importlib", _Py_M__importlib__bootstrap, (int)sizeof(_Py_M__importlib__bootstrap)},
21 {"_frozen_importlib_external", _Py_M__importlib__bootstrap_external, (int)sizeof(_Py_M__importlib__bootstrap_external)},
22 {0, 0, 0} /* bootstrap sentinel */
23 };
24 static const struct _frozen stdlib_modules[] = {
25 {0, 0, 0} /* stdlib sentinel */
26 };
27 static const struct _frozen test_modules[] = {
28 {0, 0, 0} /* test sentinel */
29 };
30 const struct _frozen *_PyImport_FrozenBootstrap = bootstrap_modules;
31 const struct _frozen *_PyImport_FrozenStdlib = stdlib_modules;
32 const struct _frozen *_PyImport_FrozenTest = test_modules;
33
34 static const struct _module_alias aliases[] = {
35 {"_frozen_importlib", "importlib._bootstrap"},
36 {"_frozen_importlib_external", "importlib._bootstrap_external"},
37 {0, 0} /* aliases sentinel */
38 };
39 const struct _module_alias *_PyImport_FrozenAliases = aliases;
40
41 /* Embedding apps may change this pointer to point to their favorite
42 collection of frozen modules: */
43
44 const struct _frozen *PyImport_FrozenModules = NULL;
45
46 int
47 #ifdef MS_WINDOWS
wmain(int argc,wchar_t ** argv)48 wmain(int argc, wchar_t **argv)
49 #else
50 main(int argc, char **argv)
51 #endif
52 {
53 PyStatus status;
54
55 PyConfig config;
56 PyConfig_InitIsolatedConfig(&config);
57 // don't warn, pybuilddir.txt does not exist yet
58 config.pathconfig_warnings = 0;
59 // parse arguments
60 config.parse_argv = 1;
61 // add current script dir to sys.path
62 config.isolated = 0;
63
64 #ifdef MS_WINDOWS
65 status = PyConfig_SetArgv(&config, argc, argv);
66 #else
67 status = PyConfig_SetBytesArgv(&config, argc, argv);
68 #endif
69 if (PyStatus_Exception(status)) {
70 goto error;
71 }
72
73 status = PyConfig_Read(&config);
74 if (config.run_filename == NULL) {
75 status = PyStatus_Error("Run filename expected");
76 goto error;
77 }
78
79 #define CLEAR(ATTR) \
80 do { \
81 PyMem_RawFree(ATTR); \
82 ATTR = NULL; \
83 } while (0)
84
85 // isolate from system Python
86 CLEAR(config.base_prefix);
87 CLEAR(config.prefix);
88 CLEAR(config.base_exec_prefix);
89 CLEAR(config.exec_prefix);
90
91 status = Py_InitializeFromConfig(&config);
92 if (PyStatus_Exception(status)) {
93 goto error;
94 }
95 PyConfig_Clear(&config);
96
97 return Py_RunMain();
98
99 error:
100 PyConfig_Clear(&config);
101 if (PyStatus_IsExit(status)) {
102 return status.exitcode;
103 }
104 Py_ExitStatusException(status);
105 }
106