Coverage for /usr/local/lib/python3.11/dist-packages/pyrocko/get_terminal_size.py: 58%

1# 

2# This file is NOT part of Pyrocko. 

3# 

4# Code is considered public domain, based on 

5# https://gist.github.com/jtriley/1108174 

6 

7''' 

8Cross platform get terminal size utilities. 

9''' 

10 

11import os 

12import struct 

13import platform 

14import subprocess 

15 

16 

17def get_terminal_size(): 

18 ''' 

19 Get terminal size. 

20 

21 Works on linux,os x,windows,cygwin(windows) 

22 

23 originally retrieved from: 

24 http://stackoverflow.com/questions/566746/how-to-get-console-window-width-in-python 

25 ''' 

26 

27 current_os = platform.system() 

28 tuple_xy = None 

29 if current_os == 'Windows': 

30 tuple_xy = _get_terminal_size_windows() 

31 if tuple_xy is None: 

32 tuple_xy = _get_terminal_size_tput() 

33 # needed for window's python in cygwin's xterm! 

34 

35 if current_os in ['Linux', 'Darwin'] or current_os.startswith('CYGWIN'): 

36 tuple_xy = _get_terminal_size_linux() 

37 

38 if tuple_xy is None: 

39 tuple_xy = (80, 25) # default value 

40 

41 return tuple_xy 

42 

43 

44def _get_terminal_size_windows(): 

45 try: 

46 from ctypes import windll, create_string_buffer 

47 # stdin handle is -10 

48 # stdout handle is -11 

49 # stderr handle is -12 

50 h = windll.kernel32.GetStdHandle(-12) 

51 csbi = create_string_buffer(22) 

52 res = windll.kernel32.GetConsoleScreenBufferInfo(h, csbi) 

53 if res: 

54 (bufx, bufy, curx, cury, wattr, 

55 left, top, right, bottom, 

56 maxx, maxy) = struct.unpack('hhhhHhhhhhh', csbi.raw) 

57 sizex = right - left + 1 

58 sizey = bottom - top + 1 

59 return sizex, sizey 

60 except Exception: 

61 pass 

62 

63 

64def _get_terminal_size_tput(): 

65 # get terminal width 

66 # src: http://stackoverflow.com/questions/263890/how-do-i-find-the-width-height-of-a-terminal-window # noqa 

67 try: 

68 cols = int(subprocess.check_call(['tput' 'cols'])) 

69 rows = int(subprocess.check_call(['tput', 'lines'])) 

70 return (cols, rows) 

71 except Exception: 

72 pass 

73 

74 

75def _get_terminal_size_linux(): 

76 

77 def ioctl_GWINSZ(fd): 

78 try: 

79 import fcntl 

80 import termios 

81 cr = struct.unpack( 

82 'hh', fcntl.ioctl(fd, termios.TIOCGWINSZ, '1234')) 

83 return cr 

84 except Exception: 

85 pass 

86 

87 cr = ioctl_GWINSZ(0) or ioctl_GWINSZ(1) or ioctl_GWINSZ(2) 

88 

89 if not cr: 

90 try: 

91 fd = os.open(os.ctermid(), os.O_RDONLY) 

92 cr = ioctl_GWINSZ(fd) 

93 os.close(fd) 

94 except Exception: 

95 pass 

96 

97 if not cr: 

98 try: 

99 cr = (os.environ['LINES'], os.environ['COLUMNS']) 

100 except Exception: 

101 return None 

102 

103 return int(cr[1]), int(cr[0]) 

104 

105 

106if __name__ == '__main__': 

107 sizex, sizey = get_terminal_size() 

108 print(sizex, sizey)