This generates an arbitrary-depth fizz-buzz-generator and is also a quine.

QuineFizzBuzz.py

#!/usr/bin/python
import sys

code = """#!/usr/bin/python
import sys

code = {0}{1}{0}


def initial_solution():
    result = []
    for i in range(1, 101):
        if i % 5 == 0 and i % 3 == 0:
            result.append("%d fizz buzz" % (i,))
        elif i % 5 == 0:
            result.append("%d fizz" % (i,))
        elif i % 3 == 0:
            result.append("%d buzz" % (i,))
        else:
            result.append("%d" % (i,))
    return result

def add_troll_layer_to(solution):
    new_solution = []

    new_solution.append("public static void main(String... args) {{")
    for line in solution:
        new_solution.append('\\tSystem.out.println("%s");' % (escape(line),))
    new_solution.append("}}")
    return new_solution

def escape(line):
    result = ""
    for character in line:
        if character == '\\t': result += "\\\\t"
        elif character in ['"', '\\\\']: result += "\\\\" + character
        else: result += character
    return result

def escape_code(code):
    result = ""
    for character in code:
        if character == '\\t': result += "\\\\t"
        elif character == '\\\\': result += "\\\\\\\\"
        else: result += character
    return result

def troll_at_level(level):
    current_solution = initial_solution()

    for i in range(0, level):
        current_solution = add_troll_layer_to(current_solution)

    return "\\n".join(current_solution)

def print_self():
    print code.format('{0}', escape_code(code))

def main():
    if len(sys.argv) == 2:
        argument = sys.argv[1]
        if argument == "Q" or argument == "q":
            print_self()
        else:
            print troll_at_level(int(argument))
    else:
        print "USAGE: %s INTEGER or Q" % (sys.argv[0],)

if __name__ == "__main__":
    main()"""


def initial_solution():
    result = []
    for i in range(1, 101):
        if i % 5 == 0 and i % 3 == 0:
            result.append("%d fizz buzz" % (i,))
        elif i % 5 == 0:
            result.append("%d fizz" % (i,))
        elif i % 3 == 0:
            result.append("%d buzz" % (i,))
        else:
            result.append("%d" % (i,))
    return result

def add_troll_layer_to(solution):
    new_solution = []

    new_solution.append("public static void main(String... args) {")
    for line in solution:
        new_solution.append('\tSystem.out.println("%s");' % (escape(line),))
    new_solution.append("}")
    return new_solution

def escape(line):
    result = ""
    for character in line:
        if character == '\t': result += "\\t"
        elif character in ['"', '\\']: result += "\\" + character
        else: result += character
    return result

def escape_code(code):
    result = ""
    for character in code:
        if character == '\t': result += "\\t"
        elif character == '\\': result += "\\\\"
        else: result += character
    return result

def troll_at_level(level):
    current_solution = initial_solution()

    for i in range(0, level):
        current_solution = add_troll_layer_to(current_solution)

    return "\n".join(current_solution)

def print_self():
    print code.format('"""', escape_code(code))

def main():
    if len(sys.argv) == 2:
        argument = sys.argv[1]
        if argument == "Q" or argument == "q":
            print_self()
        else:
            print troll_at_level(int(argument))
    else:
        print "USAGE: %s INTEGER or Q" % (sys.argv[0],)

if __name__ == "__main__":
    main()