def _get_tail_from_path(path, count=DEFAULT_LINE_COUNT):
log_path = open(path, 'rb')
rliter = reverse_iter_lines(log_path)
lines = []
for i, line in enumerate(rliter):
if i > count:
break
lines.append(line)
lines.reverse()
return lines
def _last_logging(self, args, response):
"""
Get the first message by a user from a log file.
@type response: firefly.containers.Response
"""
try:
with self.logger.read(response.channel.raw) as log:
line = self._iterate_logfile(args.nick, reverse_iter_lines(log))
except KeyError:
return None
# Make sure we got a result
if not line:
return None
# Parse the datetime string
date, name, message = line
date = arrow.get(date, 'YYYY-MM-DD HH:mm:ss')
return date, name, message
def _test_reverse_iter_lines(filename, blocksize=DEFAULT_BLOCKSIZE):
fo = open(filename)
reference = fo.read()
fo.seek(0, os.SEEK_END)
rev_lines = list(reverse_iter_lines(fo, blocksize))
assert '\n'.join(rev_lines[::-1]) == reference
def _test_reverse_iter_lines(filename, blocksize=DEFAULT_BLOCKSIZE):
fo = open(filename)
reference = fo.read()
fo.seek(0, os.SEEK_END)
rev_lines = list(reverse_iter_lines(fo, blocksize))
assert '\n'.join(rev_lines[::-1]) == reference
def _test_reverse_iter_lines_bytes(filename, blocksize=DEFAULT_BLOCKSIZE):
fo = open(filename, 'rb')
reference = fo.read()
fo.seek(0, os.SEEK_SET)
rev_lines = list(reverse_iter_lines(fo, blocksize))
assert os.linesep.encode('ascii').join(rev_lines[::-1]) == reference