def test_binarydataspec(self):
from mutagen.id3 import BinaryDataSpec
s = BinaryDataSpec("name")
self.assertEquals(("abcdefg", ""), s.read(None, "abcdefg"))
self.assertEquals("None", s.write(None, None))
self.assertEquals("43", s.write(None, 43))
def test_binarydataspec(self):
from mutagen.id3 import BinaryDataSpec
s = BinaryDataSpec('name')
self.assertEqual(s.validate(None, None), None)
self.assertEqual(s.validate(None, b"abc"), b"abc")
if PY3:
self.assertRaises(TypeError, s.validate, None, "abc")
else:
self.assertEqual(s.validate(None, u"abc"), b"abc")
self.assertRaises(ValueError, s.validate, None, u"\xf6\xe4\xfc")
def test_binarydataspec(self):
from mutagen.id3 import BinaryDataSpec
s = BinaryDataSpec('name')
self.assertEquals((b'abcdefg', b''), s.read(None, b'abcdefg'))
self.assertEquals(b'', s.write(None, None))
self.assertEquals(b'43', s.write(None, 43))
self.assertEquals(b'abc', s.write(None, b'abc'))
class CTOC(Frame):
"""
The table of contents frame specified in
http://www.id3.org/id3v2-chapters-1.0
"""
_framespec = [StringSpec('element_id', 8), BinaryDataSpec('flags')]
def __init__(self,
element_id,
has_parent,
ordered,
child_element_ids,
embeded_frames=[]):
self.has_parent = has_parent
self.ordered = ordered
self.child_element_ids = child_element_ids
flags = []
for i in (self.has_parent, self.ordered):
if i:
flags.append('1')
else:
flags.append('0')
flags = int(''.join(flags))
flags = pack('>H', flags)
self.embeded_frames = embeded_frames
super(CTOC, self).__init__(element_id, flags)
def _writeData(self):
def save_frame(frame):
#Copied from mutagen.id3.ID3
flags = 0
framedata = frame._writeData()
datasize = BitPaddedInt.to_str(len(framedata), width=4)
header = pack('>4s4sH', type(frame).__name__, datasize, flags)
return header + framedata
data = super(CTOC, self)._writeData()
for frame in self.embeded_frames:
frame = save_frame(frame)
data += frame
return data
