def encode(self, outstream):
encoded_block = io.BytesIO()
self._encode(encoded_block)
encoded_block = encoded_block.getvalue()
subblock_length = len(encoded_block)
block_length = 12 + subblock_length
if subblock_length % 4 != 0:
block_length += (4 - (subblock_length % 4))
write_int(self.magic_number, outstream, 32)
write_int(block_length, outstream, 32)
write_bytes_padded(outstream, encoded_block)
write_int(block_length, outstream, 32)
def write(self, outstream):
"""Writes this block into the given output stream"""
encoded_block = six.BytesIO()
self._encode(encoded_block)
encoded_block = encoded_block.getvalue()
subblock_length = len(encoded_block)
block_length = 12 + subblock_length
if subblock_length % 4 != 0:
block_length += (4 - (subblock_length % 4))
write_int(self.magic_number, outstream, 32)
write_int(block_length, outstream, 32)
write_bytes_padded(outstream, encoded_block)
write_int(block_length, outstream, 32)
def _write(self, outstream):
"""Writes this block into the given output stream"""
encoded_block = io.BytesIO()
self._encode(encoded_block)
encoded_block = encoded_block.getvalue()
subblock_length = len(encoded_block)
if subblock_length == 0:
return
block_length = 12 + subblock_length
if subblock_length % 4 != 0:
block_length += 4 - (subblock_length % 4)
write_int(self.magic_number,
outstream,
32,
endianness=self.section.endianness)
write_int(block_length,
outstream,
32,
endianness=self.section.endianness)
write_bytes_padded(outstream, encoded_block)
write_int(block_length,
outstream,
32,
endianness=self.section.endianness)
def _encode(self, outstream):
write_int(0x1A2B3C4D, outstream, 32, endianness=self.endianness)
super(SectionHeader, self)._encode(outstream)
def _encode(self, outstream):
write_int(0x1A2B3C4D, outstream, 32)
struct_encode(self.schema, self, outstream, endianness=self.endianness)