def clear(self, bitno):
'''clear bit number bitno - set it to false'''
byteno, bit_within_byteno = divmod(bitno, 8)
mask = 1 << bit_within_byteno
os.lseek(self.file_, byteno, os.SEEK_SET)
char = os.read(self.file_, 1)
if isinstance(char, str):
byte = ord(char)
was_char = True
else:
byte = int(char)
was_char = False
byte &= File_seek_backend.effs - mask
os.lseek(self.file_, byteno, os.SEEK_SET)
if was_char:
os.write(chr(byte))
else:
char = python2x3.intlist_to_binary([byte])
os.write(char)
def clear(self, bitno):
"""clear bit number bitno - set it to false"""
byteno, bit_within_byteno = divmod(bitno, 8)
mask = 1 << bit_within_byteno
os.lseek(self.file_, byteno, os.SEEK_SET)
char = os.read(self.file_, 1)
if isinstance(char, str):
byte = ord(char)
was_char = True
else:
byte = int(char)
was_char = False
byte &= File_seek_backend.effs - mask
os.lseek(self.file_, byteno, os.SEEK_SET)
if was_char:
os.write(chr(byte))
else:
char = python2x3.intlist_to_binary([byte])
os.write(char)
def set(self, bitno):
'''set bit number bitno to true'''
byteno, bit_within_byteno = divmod(bitno, 8)
mask = 1 << bit_within_byteno
os.lseek(self.file_, byteno, os.SEEK_SET)
char = os.read(self.file_, 1)
if isinstance(char, str):
byte = ord(char)
was_char = True
else:
byte = char[0]
was_char = False
byte |= mask
os.lseek(self.file_, byteno, os.SEEK_SET)
if was_char:
os.write(self.file_, chr(byte))
else:
char = python2x3.intlist_to_binary([byte])
os.write(self.file_, char)
def set(self, bitno):
"""set bit number bitno to true"""
byteno, bit_within_byteno = divmod(bitno, 8)
mask = 1 << bit_within_byteno
os.lseek(self.file_, byteno, os.SEEK_SET)
char = os.read(self.file_, 1)
if isinstance(char, str):
byte = ord(char)
was_char = True
else:
byte = char[0]
was_char = False
byte |= mask
os.lseek(self.file_, byteno, os.SEEK_SET)
if was_char:
os.write(self.file_, chr(byte))
else:
char = python2x3.intlist_to_binary([byte])
os.write(self.file_, char)