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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def getsource(classorfunc):
 """ Return the source code for a class or function. Notes: Returned source will not include any decorators for the object. This will only return the explicit declaration of the object, not any dependencies Args: classorfunc (type or function):
 the object to get the source code for Returns: str: text of source code (without any decorators). Note: in python 2, this returns unicode """

    if _isbuiltin(classorfunc):
        return ''

    try:
        source = inspect.getsource(classorfunc)
    except TypeError:  # raised if defined in __main__ - use fallback to get the source instead
        source = getsourcefallback(classorfunc)

    declaration = []

    lines = source.splitlines()
    if PY2 and not isinstance(source, unicode):
        encoding = detect_encoding(iter(lines).next)[0]
        sourcelines = (s.decode(encoding) for s in lines)
    else:
        sourcelines = iter(lines)

    # First, get the declaration
    found_keyword = False
    for line in sourcelines:
        words = line.split()
        if not words:
            continue
        if words[0] in ('def', 'class'):
            found_keyword = True
        if found_keyword:
            cind = line.find(':')
            if cind > 0:
                declaration.append(line[:cind + 1])
                after_decl = line[cind + 1:].strip()
                break
            else:
                declaration.append(line)

    bodylines = list(sourcelines)  # the rest of the lines are body

    # If it's a class, make sure we import its superclasses
    # Unfortunately, we need to modify the code to make sure the
    # parent classes have the correct names
    # TODO: find a better way to do this without having to parse code
    if type(classorfunc) == type:
        cls = classorfunc
        base_imports = {}
        for base in cls.__bases__:
            if base.__name__ == 'object' and base.__module__ == 'builtins':  # don't import `object`
                continue
            if base in base_imports:
                continue
            if base.__module__ == '__main__':
                continue
            base_imports[base] = 'from %s import %s' % (base.__module__, base.__name__)
        cind = declaration[0].index('class ')

        declstring = declaration[0][:cind] + 'class %s(%s):%s' % (
            cls.__name__,
            ','.join([base.__name__ for base in cls.__bases__]),
            after_decl)
        declaration = [impstring for c, impstring in base_imports.items()
                       if c.__module__ != '__builtin__']
        declaration.append(declstring)

    else:
        declaration[-1] += after_decl

    return '\n'.join(declaration + bodylines)