"Generate the lines of file in reverse order."
part = ''
for block in reversed_blocks(file):
for c in reversed(block):
if c == '\n' and part:
yield part[::-1]
part = ''
part += c
if part: yield part[::-1]
def reversed_blocks(file, blocksize=4096):
"Generate blocks of file's contents in reverse order."
file.seek(0, os.SEEK_END)
here = file.tell()
while 0 < here:
delta = min(blocksize, here)
here -= delta
file.seek(here, os.SEEK_SET)
yield file.read(delta)
if __name__ == '__main__':
df = {} #llections.OrderedDict()
coinNames = common.getCoinName()
for coinNm in coinNames:
coinpath = 't/' + coinNm + '.csv'
with open(coinpath, 'r') as textfile:
for row in csv.reader(reversed_lines(textfile)):
print(', '.join(row))
count = 0
while is_continue and count < 2:
history = get_history(sdate, edate, coin)
history_length = len(history)
print('history_length', history_length)
if not history_length:
is_continue = False
else:
count += 1
history.reverse()
first_history = history[0] # 첫 번째 데이터
last_history = history[history_length - 1] # 마지막 데이터터
print(time.ctime(first_history[0] / SECONDS_CONVERT_RATE))
print(time.ctime(last_history[0] / SECONDS_CONVERT_RATE))
save(history, coin)
print('===================')
edate = sdate
sdate = edate - get_day_micro_seconds()
if __name__ == '__main__':
for coin in common.getCoinName():
run(coin)