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 getoutputerror, get_output_error_code, process_handler 

24 

25 

26class FindCmdError(Exception): 

27 pass 

28 

29 

30def find_cmd(cmd): 

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

32 

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

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

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

36 

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

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

39 following code and looking for the application itself:: 

40 

41 import sys 

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

43 

44 Parameters 

45 ---------- 

46 cmd : str 

47 The command line program to look for. 

48 """ 

49 path = shutil.which(cmd) 

50 if path is None: 

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

52 return path 

53 

54 

55def abbrev_cwd(): 

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

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

58 drivepart = '' 

59 tail = cwd 

60 if sys.platform == 'win32': 

61 if len(cwd) < 4: 

62 return cwd 

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

64 

65 

66 parts = tail.split('/') 

67 if len(parts) > 2: 

68 tail = '/'.join(parts[-2:]) 

69 

70 return (drivepart + ( 

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