@staticmethod<EOL><INDENT>def timestamp_to_datetime(timestamp):<DEDENT>
if isinstance(timestamp, (int, float, str)):<EOL><INDENT>try:<EOL><INDENT>timestamp = float(timestamp)<EOL>if timestamp.is_integer():<EOL><INDENT>timestamp = int(timestamp)<EOL><DEDENT><DEDENT>except:<EOL><INDENT>return None<EOL><DEDENT>temp = str(timestamp).split('<STR_LIT:.>')[<NUM_LIT:0>]<EOL>if len(temp) == <NUM_LIT>:<EOL><INDENT>timestamp = timestamp / <NUM_LIT><EOL><DEDENT>if len(temp) < <NUM_LIT:10>:<EOL><INDENT>return None<EOL><DEDENT><DEDENT>else:<EOL><INDENT>return None<EOL><DEDENT>return datetime.fromtimestamp(timestamp)<EOL>
1514736000 --> datetime object

:param int timestamp: unix timestamp (int)
:return: datetime object or None
:rtype: datetime or None