Mercurial Repositories > eric / file comparison
comparison: src/eric7/DebugClients/Python/SubprocessExtension.py
src/eric7/DebugClients/Python/SubprocessExtension.py
- branch
- eric7-maintenance
- changeset 9264
- 18a7312cfdb3
- parent 9221
- bf71ee032bb4
- child 9473
- 3f23dbf37dbe
equal
deleted
inserted
replaced
| 9241:d23e9854aea4 | 9264:18a7312cfdb3 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2020 - 2022 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a function to patch subprocess.Popen to support debugging | |
| 8 of the process. | |
| 9 """ | |
| 10 | |
| 11 import os | |
| 12 import shlex | |
| 13 | |
| 14 from DebugUtilities import ( | |
| 15 isPythonProgram, | |
| 16 patchArguments, | |
| 17 stringToArgumentsWindows, | |
| 18 isWindowsPlatform, | |
| 19 ) | |
| 20 | |
| 21 _debugClient = None | |
| 22 | |
| 23 | |
| 24 def patchSubprocess(module, debugClient): | |
| 25 """ | |
| 26 Function to patch the subprocess module. | |
| 27 | |
| 28 @param module reference to the imported module to be patched | |
| 29 @type module | |
| 30 @param debugClient reference to the debug client object | |
| 31 @type DebugClient | |
| 32 """ # __IGNORE_WARNING_D234__ | |
| 33 global _debugClient | |
| 34 | |
| 35 class PopenWrapper(module.Popen): | |
| 36 """ | |
| 37 Wrapper class for subprocess.Popen. | |
| 38 """ | |
| 39 | |
| 40 def __init__(self, arguments, *args, **kwargs): | |
| 41 """ | |
| 42 Constructor | |
| 43 | |
| 44 @param arguments command line arguments for the new process | |
| 45 @type list of str or str | |
| 46 @param args constructor arguments of Popen | |
| 47 @type list | |
| 48 @param kwargs constructor keyword only arguments of Popen | |
| 49 @type dict | |
| 50 """ | |
| 51 if ( | |
| 52 _debugClient.debugging | |
| 53 and _debugClient.multiprocessSupport | |
| 54 and isinstance(arguments, (str, list)) | |
| 55 ): | |
| 56 if isinstance(arguments, str): | |
| 57 # convert to arguments list | |
| 58 arguments = ( | |
| 59 stringToArgumentsWindows(arguments) | |
| 60 if isWindowsPlatform() | |
| 61 else shlex.split(arguments) | |
| 62 ) | |
| 63 else: | |
| 64 # create a copy of the arguments | |
| 65 arguments = arguments[:] | |
| 66 ok = isPythonProgram(arguments[0]) | |
| 67 if ok: | |
| 68 scriptName = os.path.basename(arguments[0]) | |
| 69 if not _debugClient.skipMultiProcessDebugging(scriptName): | |
| 70 arguments = patchArguments( | |
| 71 _debugClient, arguments, noRedirect=True | |
| 72 ) | |
| 73 | |
| 74 super().__init__(arguments, *args, **kwargs) | |
| 75 | |
| 76 _debugClient = debugClient | |
| 77 module.Popen = PopenWrapper |
