Untitled

string = '''
def testFunction(a, b):
    print("hello world")

def _privateFunc(a):
    pass
def __protectedFunc(a):
    pass
'''

# string = re.sub(r"(?P<blockIndent>[ ]*)def[ ]*__(?P<functionName>[a-zA-Z0-9_])(?P<funcParams>[\s\S]+)[ ]*:[\r\n]+(?P<body>(?P<indent>[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)",
#         r'\g<blockIndent>protected void \g<functionName>\g<funcParams>{\n\g<body>\g<blockIndent>}\n', string)
# string = re.sub(r"(?P<blockIndent>[ ]*)def[ ]*_(?P<functionName>[a-zA-Z0-9_])(?P<funcParams>[\s\S]+)[ ]*:[\r\n]+(?P<body>(?P<indent>[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)",
#         r'\g<blockIndent>private void \g<functionName>\g<funcParams>{\n\g<body>\g<blockIndent>}\n', string)
string = re.sub(r"(?P<blockIndent>[ ]*)def[ ]*(?P<functionName>[a-zA-Z0-9_]+)\((?P<firstParam>[\s\S]+)(?P<other>[\s\S]+)\)[ ]*:",
        r"\g<blockIndent>def \g<functionName>(Object \g<firstParam>, \g<other>):", string)
string = re.sub(r"(?P<blockIndent>[ ]*)def[ ]*(?P<functionName>[a-zA-Z0-9_]+)\((?P<firstParam>(?<!Object)[^,][\s\S]+)(?P<other>[\s\S]+)\)[ ]*:",
        r"\g<blockIndent>def \g<functionName>(Object \g<firstParam>, \g<other>):", string)
# string = re.sub(r"(?P<blockIndent>[ ]*)def[ ]*(?P<functionName>[a-zA-Z0-9_])(?P<funcParams>[\s\S]+)[ ]*:[\r\n]+(?P<body>(?P<indent>[ ]+)[^\r\n]+[\r\n]+((?P=indent)[^\r\n]+[\r\n]+)*)",
#         r'\g<blockIndent>public void \g<functionName>\g<funcParams>{\n\g<body>\g<blockIndent>}\n', string)
print(string)