diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/doc/python.texi | 9 | ||||
| -rw-r--r-- | gdb/python/python.c | 32 |
2 files changed, 32 insertions, 9 deletions
diff --git a/gdb/doc/python.texi b/gdb/doc/python.texi index eeb847a..cdf7db9 100644 --- a/gdb/doc/python.texi +++ b/gdb/doc/python.texi @@ -134,9 +134,14 @@ initialized early during @value{GDBN}'s startup process, then this option must be placed into the early initialization file (@pxref{Initialization Files}) to have the desired effect. -By default this option is set to @samp{auto}, in this mode Python will -check the environment variable @env{PYTHONDONTWRITEBYTECODE} to see +By default this option is set to @samp{auto}. In this mode, provided +the @code{python ignore-environment} setting is @samp{off}, the +environment variable @env{PYTHONDONTWRITEBYTECODE} is examined to see if it should write out byte-code or not. +@env{PYTHONDONTWRITEBYTECODE} is considered to be off/disabled either +when set to the empty string or when the environment variable doesn't +exist. All other settings, including those which don't seem to make +sense, indicate that it's on/enabled. This option is equivalent to passing @option{-B} to the real @command{python} executable. diff --git a/gdb/python/python.c b/gdb/python/python.c index c7d4157..7997bee 100644 --- a/gdb/python/python.c +++ b/gdb/python/python.c @@ -1866,8 +1866,15 @@ python_write_bytecode () int wbc = 0; if (python_dont_write_bytecode == AUTO_BOOLEAN_AUTO) - wbc = (!python_ignore_environment - && getenv ("PYTHONDONTWRITEBYTECODE") != nullptr) ? 0 : 1; + { + if (python_ignore_environment) + wbc = 1; + else + { + const char *pdwbc = getenv ("PYTHONDONTWRITEBYTECODE"); + wbc = (pdwbc == nullptr || pdwbc[0] == '\0') ? 1 : 0; + } + } else wbc = python_dont_write_bytecode == AUTO_BOOLEAN_TRUE ? 0 : 1; @@ -2346,11 +2353,22 @@ python executable."), 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 whether the Python interpreter should avoid byte-compiling python modules."), _("\ +Show whether the Python interpreter should avoid byte-compiling python modules."), _("\ +When enabled, GDB's embedded Python interpreter won't byte-compile python\n\ +modules. In order to take effect, this setting must be enabled in an early\n\ +initialization file, i.e. those run via the --early-init-eval-command or\n\ +-eix command line options. A 'set python dont-write-bytecode on' command\n\ +can also be issued directly from the GDB command line via the\n\ +--early-init-eval-command or -eiex command line options.\n\ +\n\ +This setting defaults to 'auto'. In this mode, provided the 'python\n\ +ignore-environment' setting is 'off', the environment variable\n\ +PYTHONDONTWRITEBYTECODE is examined to determine whether or not to\n\ +byte-compile python modules. PYTHONDONTWRITEBYTECODE is considered to be\n\ +off/disabled either when set to the empty string or when the\n\ +environment variable doesn't exist. All other settings, including those\n\ +which don't seem to make sense, indicate that it's on/enabled."), set_python_dont_write_bytecode, show_python_dont_write_bytecode, &user_set_python_list, |