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"""
@copyright: 2009 Bastian Blank <waldi@debian.org>
@license: GNU GPL-3
"""
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from .volume import Volume
class Media:
def __init__(self, file):
self._file = file
self._sector_size = 2048
def read(self, count):
count_align = (count + self._sector_size - 1) & ~(self._sector_size - 1)
return self._file.read(count_align)
def read_sector(self, offset, count=2048):
offset_bytes = offset * self._sector_size
self._file.seek(offset_bytes)
return self.read(count)
@property
def volume(self):
return Volume(self)
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