diff -r bf6be3cff6cf -r a0b6acee2c20 eric6/DebugClients/Python/QProcessExtension.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/DebugClients/Python/QProcessExtension.py Mon Feb 10 18:49:49 2020 +0100
@@ -0,0 +1,114 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2020 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a function to patch QProcess to support debugging of the
+process.
+"""
+
+import os
+
+_startOptions = []
+
+
+def patchQProcess(module, startOptions):
+ """
+ Function to patch the QtCore module's QProcess.
+
+ @param module reference to the imported module to be patched
+ @type module
+ @param startOptions reference to the saved start options
+ @type tuple
+ """ # __IGNORE_WARNING_D234__
+ global _startOptions
+
+ class QProcessWrapper(module.QProcess):
+ """
+ Wrapper class for *.QProcess.
+ """
+ def __init__(self, parent=None):
+ """
+ Constructor
+ """
+ super(QProcessWrapper, self).__init__(parent)
+
+ def __modifyArgs(self, arguments):
+ """
+ Private method to modify the arguments given to the start method.
+
+ @param arguments list of program arguments
+ @type list of str
+ @return modified argument list
+ @rtype list of str
+ """
+ (wd, host, port, exceptions, tracePython, redirect,
+ noencoding) = _startOptions[:7]
+ modifiedArguments = [
+ os.path.join(os.path.dirname(__file__), "DebugClient.py"),
+ "-h", host,
+ "-p", str(port),
+ "--no-passive"
+ ]
+
+ if wd:
+ modifiedArguments.extend(["-w", wd])
+ if not exceptions:
+ modifiedArguments.append("-e")
+ if tracePython:
+ modifiedArguments.append("-t")
+ if not redirect:
+ modifiedArguments.append("-n")
+ if noencoding:
+ modifiedArguments.append("--no-encoding")
+ modifiedArguments.append("--")
+ # end the arguments for DebugClient
+ modifiedArguments.extend(arguments)
+
+ return modifiedArguments
+
+ def start(self, *args, **kwargs):
+ """
+ Public method to start the process.
+
+ This method patches the arguments such, that a debug client is
+ started for the Python script. A Python script is assumed, if the
+ program to be started contains the string 'python'.
+
+ @param args arguments of the start call
+ @type list
+ @param kwargs keyword arguments of the start call
+ @type dict
+ """
+ if (
+ (len(args) >= 2 and isinstance(args[1], list)) or
+ (len(args) == 1 and not isinstance(args[0], str)) or
+ len(args) == 0
+ ):
+ # TODO: implement this
+ if len(args) >= 2:
+ program = args[0]
+ arguments = args[1]
+ if len(args) > 2:
+ mode = args[2]
+ else:
+ mode = module.QIODevice.ReadWrite
+ else:
+ program = self.program()
+ arguments = self.arguments()
+ if len(args) == 1:
+ mode = args[0]
+ else:
+ mode = module.QIODevice.ReadWrite
+ if "python" in program.lower():
+ # assume a Python script is to be started
+ newArgs = self.__modifyArgs(arguments)
+ super(QProcessWrapper, self).start(program, newArgs, mode)
+ else:
+ super(QProcessWrapper, self).start(*args, **kwargs)
+ else:
+ super(QProcessWrapper, self).start(*args, **kwargs)
+
+ _startOptions = startOptions[:]
+ module.QProcess = QProcessWrapper
