diff options
Diffstat (limited to 'gdb/python/python.c')
| -rw-r--r-- | gdb/python/python.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/gdb/python/python.c b/gdb/python/python.c index 1d0d86d..c46d68b 100644 --- a/gdb/python/python.c +++ b/gdb/python/python.c @@ -1578,6 +1578,80 @@ python_command (const char *arg, int from_tty) #endif /* HAVE_PYTHON */ +/* When this is turned on before Python is initialised then Python will + ignore any environment variables related to Python. This is equivalent + to passing `-E' to the python program. */ +static bool python_ignore_environment = false; + +/* Implement 'show python ignore-environment'. */ + +static void +show_python_ignore_environment (struct ui_file *file, int from_tty, + struct cmd_list_element *c, const char *value) +{ + fprintf_filtered (file, _("Python's ignore-environment setting is %s.\n"), + value); +} + +/* Implement 'set python ignore-environment'. This sets Python's internal + flag no matter when the command is issued, however, if this is used + after Py_Initialize has been called then most of the environment will + already have been read. */ + +static void +set_python_ignore_environment (const char *args, int from_tty, + struct cmd_list_element *c) +{ +#ifdef HAVE_PYTHON + Py_IgnoreEnvironmentFlag = python_ignore_environment ? 1 : 0; +#endif +} + +/* When this is turned on before Python is initialised then Python will + not write `.pyc' files on import of a module. */ +static enum auto_boolean python_dont_write_bytecode = AUTO_BOOLEAN_AUTO; + +/* Implement 'show python dont-write-bytecode'. */ + +static void +show_python_dont_write_bytecode (struct ui_file *file, int from_tty, + struct cmd_list_element *c, const char *value) +{ + if (python_dont_write_bytecode == AUTO_BOOLEAN_AUTO) + { + const char *auto_string + = (python_ignore_environment + || getenv ("PYTHONDONTWRITEBYTECODE") == nullptr) ? "off" : "on"; + + fprintf_filtered (file, + _("Python's dont-write-bytecode setting is %s (currently %s).\n"), + value, auto_string); + } + else + fprintf_filtered (file, _("Python's dont-write-bytecode setting is %s.\n"), + value); +} + +/* Implement 'set python dont-write-bytecode'. This sets Python's internal + flag no matter when the command is issued, however, if this is used + after Py_Initialize has been called then many modules could already + have been imported and their byte code written out. */ + +static void +set_python_dont_write_bytecode (const char *args, int from_tty, + struct cmd_list_element *c) +{ +#ifdef HAVE_PYTHON + if (python_dont_write_bytecode == AUTO_BOOLEAN_AUTO) + Py_DontWriteBytecodeFlag + = (!python_ignore_environment + && getenv ("PYTHONDONTWRITEBYTECODE") != nullptr) ? 1 : 0; + else + Py_DontWriteBytecodeFlag + = python_dont_write_bytecode == AUTO_BOOLEAN_TRUE ? 1 : 0; +#endif /* HAVE_PYTHON */ +} + /* Lists for 'set python' commands. */ @@ -1880,6 +1954,30 @@ message == an error message without a stack will be printed."), NULL, NULL, &user_set_python_list, &user_show_python_list); + + add_setshow_boolean_cmd ("ignore-environment", no_class, + &python_ignore_environment, _("\ +Set whether the Python interpreter should ignore environment variables."), _(" \ +Show whether the Python interpreter showlist ignore environment variables."), _(" \ +When enabled GDB's Python interpreter will ignore any Python related\n \ +flags in the environment. This is equivalent to passing `-E' to a\n \ +python executable."), + set_python_ignore_environment, + show_python_ignore_environment, + &user_set_python_list, + &user_show_python_list); + + add_setshow_auto_boolean_cmd ("dont-write-bytecode", no_class, + &python_dont_write_bytecode, _("\ +Set whether the Python interpreter should ignore environment variables."), _(" \ +Show whether the Python interpreter showlist ignore environment variables."), _(" \ +When enabled GDB's Python interpreter will ignore any Python related\n \ +flags in the environment. This is equivalent to passing `-E' to a\n \ +python executable."), + set_python_dont_write_bytecode, + show_python_dont_write_bytecode, + &user_set_python_list, + &user_show_python_list); } #ifdef HAVE_PYTHON |