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Patch #602345 by Neal Norwitz and me: add -B option and PYTHONDONTWRITEBYTECODE envvar to skip writing bytecode.

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This commit is contained in:
Georg Brandl 2008-01-07 17:09:35 +00:00
parent b3255ed8c9
commit 2da0fceba7
8 changed files with 56 additions and 8 deletions
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7
Python/import.c
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@ -950,8 +950,11 @@ load_source_module(char *name, char *pathname, FILE *fp)
if (Py_VerboseFlag)
PySys_WriteStderr("import %s # from %s\n",
name, pathname);
if (cpathname)
write_compiled_module(co, cpathname, mtime);
if (cpathname) {
PyObject *ro = PySys_GetObject("dont_write_bytecode");
if (ro == NULL || !PyObject_IsTrue(ro))
write_compiled_module(co, cpathname, mtime);
}
}
m = PyImport_ExecCodeModuleEx(name, (PyObject *)co, pathname);
Py_DECREF(co);

3
Python/pythonrun.c
View file

@ -72,6 +72,7 @@ int Py_VerboseFlag; /* Needed by import.c */
int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */
int Py_InspectFlag; /* Needed to determine whether to exit at SystemError */
int Py_NoSiteFlag; /* Suppress 'import site' */
int Py_DontWriteBytecodeFlag; /* Suppress writing bytecode files (*.py[co]) */
int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c: deprecated */
int Py_FrozenFlag; /* Needed by getpath.c */
int Py_UnicodeFlag = 0; /* Needed by compile.c */
@ -172,6 +173,8 @@ Py_InitializeEx(int install_sigs)
Py_VerboseFlag = add_flag(Py_VerboseFlag, p);
if ((p = Py_GETENV("PYTHONOPTIMIZE")) && *p != '\0')
Py_OptimizeFlag = add_flag(Py_OptimizeFlag, p);
if ((p = Py_GETENV("PYTHONDONTWRITEBYTECODE")) && *p != '\0')
Py_DontWriteBytecodeFlag = add_flag(Py_DontWriteBytecodeFlag, p);
interp = PyInterpreterState_New();
if (interp == NULL)

3
Python/sysmodule.c
View file

@ -1128,6 +1128,9 @@ _PySys_Init(void)
v = Py_BuildValue("(ssz)", "CPython", branch, svn_revision);
PyDict_SetItemString(sysdict, "subversion", v);
Py_XDECREF(v);
PyDict_SetItemString(sysdict, "dont_write_bytecode",
v = PyBool_FromLong(Py_DontWriteBytecodeFlag));
Py_XDECREF(v);
/*
* These release level checks are mutually exclusive and cover
* the field, so don't get too fancy with the pre-processor!