diff options
Diffstat (limited to 'Programs/_freeze_importlib.c')
-rw-r--r-- | Programs/_freeze_importlib.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/Programs/_freeze_importlib.c b/Programs/_freeze_importlib.c deleted file mode 100644 index 2e4ccbb..0000000 --- a/Programs/_freeze_importlib.c +++ /dev/null @@ -1,167 +0,0 @@ -/* This is built as a stand-alone executable by the Makefile, and helps turn - Lib/importlib/_bootstrap.py into a frozen module in Python/importlib.h -*/ - -#include <Python.h> -#include <marshal.h> - -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#ifndef MS_WINDOWS -#include <unistd.h> -#endif - -/* To avoid a circular dependency on frozen.o, we create our own structure - of frozen modules instead, left deliberately blank so as to avoid - unintentional import of a stale version of _frozen_importlib. */ - -static const struct _frozen _PyImport_FrozenModules[] = { - {0, 0, 0} /* sentinel */ -}; - -#ifndef MS_WINDOWS -/* On Windows, this links with the regular pythonXY.dll, so this variable comes - from frozen.obj. In the Makefile, frozen.o is not linked into this executable, - so we define the variable here. */ -const struct _frozen *PyImport_FrozenModules; -#endif - -static const char header[] = - "/* Auto-generated by Programs/_freeze_importlib.c */"; - -int -main(int argc, char *argv[]) -{ - const char *name, *inpath, *outpath; - char buf[100]; - FILE *infile = NULL, *outfile = NULL; - struct _Py_stat_struct stat; - size_t text_size, data_size, i, n; - char *text = NULL; - unsigned char *data; - PyObject *code = NULL, *marshalled = NULL; - - PyImport_FrozenModules = _PyImport_FrozenModules; - - if (argc != 4) { - fprintf(stderr, "need to specify the name, input and output paths\n"); - return 2; - } - name = argv[1]; - inpath = argv[2]; - outpath = argv[3]; - infile = fopen(inpath, "rb"); - if (infile == NULL) { - fprintf(stderr, "cannot open '%s' for reading\n", inpath); - goto error; - } - if (_Py_fstat_noraise(fileno(infile), &stat)) { - fprintf(stderr, "cannot fstat '%s'\n", inpath); - goto error; - } - text_size = (size_t)stat.st_size; - text = (char *) malloc(text_size + 1); - if (text == NULL) { - fprintf(stderr, "could not allocate %ld bytes\n", (long) text_size); - goto error; - } - n = fread(text, 1, text_size, infile); - fclose(infile); - infile = NULL; - if (n < text_size) { - fprintf(stderr, "read too short: got %ld instead of %ld bytes\n", - (long) n, (long) text_size); - goto error; - } - text[text_size] = '\0'; - - PyConfig config; - PyConfig_InitIsolatedConfig(&config); - - config.site_import = 0; - - PyStatus status; - status = PyConfig_SetString(&config, &config.program_name, - L"./_freeze_importlib"); - if (PyStatus_Exception(status)) { - PyConfig_Clear(&config); - Py_ExitStatusException(status); - } - - /* Don't install importlib, since it could execute outdated bytecode. */ - config._install_importlib = 0; - config._init_main = 0; - - status = Py_InitializeFromConfig(&config); - PyConfig_Clear(&config); - if (PyStatus_Exception(status)) { - Py_ExitStatusException(status); - } - - sprintf(buf, "<frozen %s>", name); - code = Py_CompileStringExFlags(text, buf, Py_file_input, NULL, 0); - if (code == NULL) - goto error; - free(text); - text = NULL; - - marshalled = PyMarshal_WriteObjectToString(code, Py_MARSHAL_VERSION); - Py_CLEAR(code); - if (marshalled == NULL) - goto error; - - assert(PyBytes_CheckExact(marshalled)); - data = (unsigned char *) PyBytes_AS_STRING(marshalled); - data_size = PyBytes_GET_SIZE(marshalled); - - /* Open the file in text mode. The hg checkout should be using the eol extension, - which in turn should cause the EOL style match the C library's text mode */ - outfile = fopen(outpath, "w"); - if (outfile == NULL) { - fprintf(stderr, "cannot open '%s' for writing\n", outpath); - goto error; - } - fprintf(outfile, "%s\n", header); - for (i = n = 0; name[i] != '\0'; i++) { - if (name[i] != '.') { - buf[n++] = name[i]; - } - } - buf[n] = '\0'; - fprintf(outfile, "const unsigned char _Py_M__%s[] = {\n", buf); - for (n = 0; n < data_size; n += 16) { - size_t i, end = Py_MIN(n + 16, data_size); - fprintf(outfile, " "); - for (i = n; i < end; i++) { - fprintf(outfile, "%u,", (unsigned int) data[i]); - } - fprintf(outfile, "\n"); - } - fprintf(outfile, "};\n"); - - Py_CLEAR(marshalled); - - Py_Finalize(); - if (outfile) { - if (ferror(outfile)) { - fprintf(stderr, "error when writing to '%s'\n", outpath); - goto error; - } - fclose(outfile); - } - return 0; - -error: - PyErr_Print(); - Py_Finalize(); - if (infile) - fclose(infile); - if (outfile) - fclose(outfile); - if (text) - free(text); - if (marshalled) - Py_DECREF(marshalled); - return 1; -} |