def actionConsoleLogRead(self,
to,
filter=None,
read_size=32 * 1024,
limit=500):
log_file_path = "%s/debug.log" % config.log_dir
log_file = open(log_file_path, encoding="utf-8")
log_file.seek(0, 2)
end_pos = log_file.tell()
log_file.seek(max(0, end_pos - read_size))
if log_file.tell() != 0:
log_file.readline() # Partial line junk
pos_start = log_file.tell()
lines = []
if filter:
assert SafeRe.isSafePattern(filter)
filter_re = re.compile(".*" + filter)
for line in log_file:
if filter and not filter_re.match(line):
continue
lines.append(line)
num_found = len(lines)
lines = lines[-limit:]
return {
"lines": lines,
"pos_end": log_file.tell(),
"pos_start": pos_start,
"num_found": num_found
}
def __init__(self, stream_id, ui_websocket, filter):
self.stream_id = stream_id
self.ui_websocket = ui_websocket
if filter:
if not SafeRe.isSafePattern(filter):
raise Exception("Not a safe prex pattern")
self.filter_re = re.compile(".*" + filter)
else:
self.filter_re = None
return super(WsLogStreamer, self).__init__()