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for frames in iter(functools.partial(wavefile.readframes, WAVE_READ_SIZE), ''):

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    while True:
        frames = wavefile.readframes(WAVE_READ_SIZE)
        if not frames:
            break

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for value in array.array(typecode, frames):

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        frame_count = len(frames) / samplewidth
        frames = struct.unpack(struct_unpack_str % frame_count, frames)
        for frame in frames:

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In [2]: a = array.array('i')

In [3]: a.itemsize
Out[3]: 4

In [4]: a = array.array('l')

In [5]: a.itemsize
Out[5]: 4

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data = (0x1e,0x1a,0x0,0x1,0x87,0x20,0x22,0x4c,0x49,0x4e,0x45,0x20,0x4e,0x55,0x4d,0x42,0x45,0x52,0x20,0x54,0x45,0x53,0x54,0x22,0x0,0x1e,0x23,0x0,0xa,0x87,0x20,0x31,0x30,0x0,0x1e,0x2d,0x0,0x64,0x87,0x20,0x31,0x30,0x30,0x0,0x1e,0x38,0x3,0xe8,0x87,0x20,0x31,0x30,0x30,0x30,0x0,0x1e,0x44,0x27,0x10,0x87,0x20,0x31,0x30,0x30,0x30,0x30,0x0,0x1e,0x50,0x80,0x0,0x87,0x20,0x33,0x32,0x37,0x36,0x38,0x0,0x1e,0x62,0xf9,0xff,0x87,0x20,0x22,0x45,0x4e,0x44,0x22,0x3b,0x36,0x33,0x39,0x39,0x39,0x0,0x0,0x0)

def to16bit(values):
    return (values[0]<<8) | values[1]

def list2generator(l):
    for item in l:
        yield item

def get_from_generator(g, count):
    result = []
    for i in xrange(count):
        try:
            result.append(g.next())
        except StopIteration:
            break
    return result

def get_until(g, until):
    result = []
    while True:
        try:
            item = g.next()
        except StopIteration:
            return result
        result.append(item)
        if item == until:
            return result

def debug_with_ascii(data):
    char_list = []
    txt = ""
    for no in data:
        if no in (32,34) or (no>=48 and no<=90):
            txt += chr(no)
        else:
            if txt:
                char_list.append(txt)
                txt = ""
            char_list.append(str(hex(no)))
    print ",".join(char_list)

g = list2generator(data)
while True:
    line_pointer = get_from_generator(g, 2)
    if line_pointer == [0x00, 0x00]:
        print "---EOF---"
        break

    line_pointer = to16bit(line_pointer)
    print "line Pointer:", line_pointer

    line_number = get_from_generator(g, 2)
    line_number = to16bit(line_number)
    print "line number:", line_number

    line_code = get_until(g, 0x00)
    debug_with_ascii(line_code)

    print "---------"

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line Pointer: 7706
line number: 1
0x87, "LINE NUMBER TEST",0x0
---------
line Pointer: 7715
line number: 10
0x87, 10,0x0
---------
line Pointer: 7725
line number: 100
0x87, 100,0x0
---------
line Pointer: 7736
line number: 1000
0x87, 1000,0x0
---------
line Pointer: 7748
line number: 10000
0x87, 10000,0x0
---------
line Pointer: 7760
line number: 32768
0x87, 32768,0x0
---------
line Pointer: 7778
line number: 63999
0x87, "END";63999,0x0
---------
---EOF---

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1 PRINT "LINE NUMBER TEST"
10 PRINT 10
100 PRINT 100
1000 PRINT 10000
32768 PRINT 32768
63999 PRINT "END";63999

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import itertools


def to16bit(values):
    return (values[0]<<8) | values[1]


def get_until(g, until):
    while True:
        item = g.next()
        if item == until:
            raise StopIteration()
        yield item


def get_16bit_char(g):
    values = itertools.islice(g, 2)
    values = list(values)
    return (values[0]<<8) | values[1]


class CodeLine(object):
    def __init__(self, line_pointer, line_no, code):
        assert isinstance(line_no, int), "Line number not integer, it's: %s" % repr(line_no)
        self.line_pointer = line_pointer
        self.line_no = line_no
        self.code = code

    def __repr__(self):
        return "<CodeLine pointer: %s line no: %s code: %s>" % (
            repr(self.line_pointer), repr(self.line_no), repr(self.code)
        )


class CodeLines(object):
    def __init__(self,data):
        self.code_lines = []

        while True:
            line_pointer = list(itertools.islice(data, 2))
            if line_pointer == [0x00, 0x00]:
                # end of block
                break
            line_pointer = to16bit(line_pointer)

            line_number = get_16bit_char(data)

            code = list(get_until(data, 0x00))

            self.code_lines.append(
                CodeLine(line_pointer, line_number, code)
            )

data = iter(
    (0x1e,0x1a,0x0,0x1,0x87,0x20,0x22,0x4c,0x49,0x4e,0x45,0x20,0x4e,0x55,0x4d,0x42,0x45,0x52,0x20,0x54,0x45,0x53,0x54,0x22,0x0,
    0x1e,0x23,0x0,0xa,0x87,0x20,0x31,0x30,0x0,
    0x1e,0x2d,0x0,0x64,0x87,0x20,0x31,0x30,0x30,0x0,
    0x1e,0x38,0x3,0xe8,0x87,0x20,0x31,0x30,0x30,0x30,0x0,
    0x1e,0x44,0x27,0x10,0x87,0x20,0x31,0x30,0x30,0x30,0x30,0x0,
    0x1e,0x50,0x80,0x0,0x87,0x20,0x33,0x32,0x37,0x36,0x38,0x0,
    0x1e,0x62,0xf9,0xff,0x87,0x20,0x22,0x45,0x4e,0x44,0x22,0x3b,0x36,0x33,0x39,0x39,0x39,0x0,
    0x0,0x0)
)

code_lines = CodeLines(data)
for line in code_lines.code_lines:
    print repr(line)

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1 PRINT "LINE NUMBER TEST"
10 PRINT 10
100 PRINT 100
1000 PRINT 1000
10000 PRINT 10000
32768 PRINT 32768
63999 PRINT "END";63999

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>>> for i in itertools.takewhile(lambda x: x!=4, xrange(1000)):
...     print i                                                                                                                       
...                                                                                                                                   
0
1
2
3

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>>> for i in iter(iter(xrange(1000)).next, 4):
...     print i
... 
0
1
2
3

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def get_word(byte_iterator):
    return (next(byte_iterator) << 8) | next(byte_iterator)

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class CodeLines(object):
    def __init__(self, data):
        self.code_lines = list()
        while True:
            line_pointer = get_word(data)
            if not line_pointer:
                break
            line_number = get_word(data)
            code = list(iter(data.next, 0))
            self.code_lines.append(
                CodeLine(line_pointer, line_number, code)
            )