if os.path.exists(filename):
with open(filename, 'wb') as f:
f.write(b'buffer write line.\n')
f.write(b'buffer1 write line.')
buf = read_into_buffer(filename)
buf[0:5] = b'hell '
with open(newfilename, 'wb') as f:
f.write(buf)
with open(newfilename, 'rb') as f:
print('all info:', f.readlines())
bufsize = 32
bufs = bytearray(bufsize)
with open(filename, 'rb') as f:
while True:
n = f.readinto(bufs)
if n < bufsize:
break
print('bufs is ', bufs)
print("============list file============")
print(os.path.abspath(os.path.join(directname, os.path.pardir)))
names = os.listdir(
os.path.abspath(os.path.join(directname, os.path.pardir)))
fnames = [name for name in names if name.endswith('.py')]
for name in fnames:
print('pyfile result', name)
from fnmatch import fnmatch
fnamesp = [name for name in names if not fnmatch(name, '*.py')]
for name in fnamesp:
