Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/IPython/utils/process.py: 41%

1# encoding: utf-8 

2""" 

3Utilities for working with external processes. 

4""" 

5 

6# Copyright (c) IPython Development Team. 

7# Distributed under the terms of the Modified BSD License. 

8 

9 

10import os 

11import shutil 

12import sys 

13 

14if sys.platform == 'win32': 

15 from ._process_win32 import system, getoutput, arg_split, check_pid 

16elif sys.platform == 'cli': 

17 from ._process_cli import system, getoutput, arg_split, check_pid 

18elif sys.platform == "emscripten": 

19 from ._process_emscripten import system, getoutput, arg_split, check_pid 

20else: 

21 from ._process_posix import system, getoutput, arg_split, check_pid 

22 

23from ._process_common import ( 

24 arg_split_with_quotes, 

25 getoutputerror, 

26 get_output_error_code, 

27 process_handler, 

28) 

29 

30 

31class FindCmdError(Exception): 

32 pass 

33 

34 

35def find_cmd(cmd): 

36 """Find absolute path to executable cmd in a cross platform manner. 

37 

38 This function tries to determine the full path to a command line program 

39 using `which` on Unix/Linux/OS X and `win32api` on Windows. Most of the 

40 time it will use the version that is first on the users `PATH`. 

41 

42 Warning, don't use this to find IPython command line programs as there 

43 is a risk you will find the wrong one. Instead find those using the 

44 following code and looking for the application itself:: 

45 

46 import sys 

47 argv = [sys.executable, '-m', 'IPython'] 

48 

49 Parameters 

50 ---------- 

51 cmd : str 

52 The command line program to look for. 

53 """ 

54 path = shutil.which(cmd) 

55 if path is None: 

56 raise FindCmdError('command could not be found: %s' % cmd) 

57 return path 

58 

59 

60def abbrev_cwd(): 

61 """ Return abbreviated version of cwd, e.g. d:mydir """ 

62 cwd = os.getcwd().replace('\\','/') 

63 drivepart = '' 

64 tail = cwd 

65 if sys.platform == 'win32': 

66 if len(cwd) < 4: 

67 return cwd 

68 drivepart,tail = os.path.splitdrive(cwd) 

69 

70 

71 parts = tail.split('/') 

72 if len(parts) > 2: 

73 tail = '/'.join(parts[-2:]) 

74 

75 return (drivepart + ( 

76 cwd == '/' and '/' or tail))