def test_read_line_bad_data(self):
linesep, new_line_pos = find_eol(b"", 0)
self.assertEqual(linesep, -1)
self.assertEqual(new_line_pos, 0)
linesep, new_line_pos = find_eol(b'\n', 0)
self.assertEqual(linesep, 0)
self.assertEqual(new_line_pos, 1)
linesep, new_line_pos = find_eol(b'\r\n', 0)
self.assertEqual(linesep, 0)
self.assertEqual(new_line_pos, 2)
linesep, new_line_pos = find_eol(b'\r', 0)
self.assertEqual(linesep, -1)
self.assertEqual(new_line_pos, 0)
def _read_output_buffer(self, _buffer, timeout=None):
timer = GTimeout(seconds=timeout, exception=Timeout)
remainder = b""
remainder_len = 0
timer.start()
try:
for data in _buffer:
pos = 0
size = len(data)
while pos < size:
linesep, new_line_pos = find_eol(data, pos)
if linesep == -1:
remainder += data[pos:]
remainder_len = len(remainder)
break
end_of_line = pos+linesep
if remainder_len > 0:
line = remainder + data[pos:end_of_line]
remainder = b""
remainder_len = 0
else:
line = data[pos:end_of_line]
yield line
pos += linesep + new_line_pos
if remainder_len > 0:
# Finished reading without finding ending linesep
yield remainder
finally:
timer.close()
def _read_output(self, read_func, timeout=None):
remainder = b""
remainder_len = 0
size, data = read_func()
t = GTimeout(seconds=timeout, exception=Timeout)
t.start()
try:
while size == LIBSSH2_ERROR_EAGAIN or size > 0:
while size == LIBSSH2_ERROR_EAGAIN:
self.poll(timeout=timeout)
size, data = read_func()
while size > 0:
pos = 0
while pos < size:
linesep, new_line_pos = find_eol(data, pos)
if linesep == -1:
remainder += data[pos:]
remainder_len = len(remainder)
break
end_of_line = pos + linesep
if remainder_len > 0:
line = remainder + data[pos:end_of_line]
remainder = b""
remainder_len = 0
else:
line = data[pos:end_of_line]
yield line
pos += linesep + new_line_pos
size, data = read_func()
if remainder_len > 0:
# Finished reading without finding ending linesep
yield remainder
finally:
t.close()
def test_read_line_crnl(self):
lines = [b'a line', b'another line', b'third']
buf = b"\r\n".join(lines)
pos = 0
line_num = 0
linesep, new_line_pos = find_eol(buf, 0)
self.assertTrue(linesep > 0)
self.assertTrue(linesep < len(buf))
while pos < len(buf):
if linesep < 0:
break
end_of_line = pos + linesep
line = buf[pos:end_of_line]
self.assertEqual(lines[line_num], line)
pos += linesep + new_line_pos
line_num += 1
linesep, new_line_pos = find_eol(buf, pos)
line = buf[pos:]
self.assertEqual(lines[line_num], line)
def test_find_eol_no_lines(self):
buf = b"a buffer"
linepos, new_line_pos = find_eol(buf, 0)
self.assertEqual(linepos, -1)
self.assertEqual(new_line_pos, 0)
def test_read_line_cr_only(self):
lines = [b'a line', b'another line', b'third']
buf = b"\r".join(lines)
linesep, new_line_pos = find_eol(buf, 0)
self.assertEqual(linesep, -1)