diff options
Diffstat (limited to 'Tools/Scripts/webkitpy/common/system/platforminfo.py')
| -rw-r--r-- | Tools/Scripts/webkitpy/common/system/platforminfo.py | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Tools/Scripts/webkitpy/common/system/platforminfo.py b/Tools/Scripts/webkitpy/common/system/platforminfo.py index a9717cc84..b2451f5f9 100644 --- a/Tools/Scripts/webkitpy/common/system/platforminfo.py +++ b/Tools/Scripts/webkitpy/common/system/platforminfo.py @@ -27,6 +27,7 @@ # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. import re +import sys class PlatformInfo(object): @@ -86,6 +87,31 @@ class PlatformInfo(object): return long(self._executive.run_command(["sysctl", "-n", "hw.memsize"])) return None + def terminal_width(self): + """Returns sys.maxint if the width cannot be determined.""" + try: + if self.is_win(): + # From http://code.activestate.com/recipes/440694-determine-size-of-console-window-on-windows/ + from ctypes import windll, create_string_buffer + handle = windll.kernel32.GetStdHandle(-12) # -12 == stderr + console_screen_buffer_info = create_string_buffer(22) # 22 == sizeof(console_screen_buffer_info) + if windll.kernel32.GetConsoleScreenBufferInfo(handle, console_screen_buffer_info): + import struct + _, _, _, _, _, left, _, right, _, _, _ = struct.unpack("hhhhHhhhhhh", console_screen_buffer_info.raw) + # Note that we return 1 less than the width since writing into the rightmost column + # automatically performs a line feed. + return right - left + return sys.maxint + else: + import fcntl + import struct + import termios + packed = fcntl.ioctl(sys.stderr.fileno(), termios.TIOCGWINSZ, '\0' * 8) + _, columns, _, _ = struct.unpack('HHHH', packed) + return columns + except: + return sys.maxint + def _determine_os_name(self, sys_platform): if sys_platform == 'darwin': return 'mac' |