qiskit.ignis.logging.IgnisLogReader¶

class IgnisLogReader[source]¶

Class to read from Ignis log files

Reads and constructs tabular representation of logged data based on date/time and key criteria

__init__()¶: Initialize self. See help(type(self)) for accurate signature.

Methods

`__init__`()	Initialize self.
`get_log_files`()	Get Names of all log files (several may be present due to logging file rotation).
`read_values`([log_files, keys, …])	Retrieve log lines using key and date/time filtering criteria

get_log_files()[source]¶

Get Names of all log files (several may be present due to logging file rotation). File names are sorted by modification time.

Returns: list of all log file names
Return type: list

read_values(log_files=None, keys=None, from_datetime=None, from_datetime_format=None, to_datetime=None, to_datetime_format=None)[source]¶

Retrieve log lines using key and date/time filtering criteria

Params:

log_files: List of log files to read from keys: Retrieve only key value pairs of corresponding to keys A row with no matching keys will not be retrieved. If not specified, all keys are retrieved (optional)

from_datetime(None): Retrieve only rows newer than the given date and time

from_datetime_format(None): datetime format string. If not specified will assume “%Y/%m/%d %H:%M:%S”

to_datetime(None): Retrieve only rows older than the given date and time

to_datetime_format(None): datetime format string. If not specified will assume “%Y/%m/%d %H:%M:%S”

Returns: A list containing the retrieved rows of key pair values
Return type: list