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log

log provides functionality for logging messages at various severity levels.

Functions

debug(msg, *misc, **kv)

Logs a message at the debug log level.

Parameters

name type description
msg string The message to log.
misc *args Additional message arguments will be concatenated to the message string separated by a space.
kv **kwargs Key-value pairs to provide additional debug information.

Examples

basic

Log a debug message with additional information.

load("log", "debug")
debug("Fetching data at", "21:40", retry_attempt=1)
{"retry_attempt": 1}

info(msg, *misc, **kv)

Logs a message at the info log level.

Parameters

name type description
msg string The message to log.
misc *args Additional message arguments will be concatenated to the message string separated by a space.
kv **kwargs Key-value pairs to provide additional information.

Examples

basic

Log an info message with additional information.

load("log", "info")
info("Data fetched", response_time=42)

warn(msg, *misc, **kv)

Logs a message at the warn log level.

Parameters

name type description
msg string The message to log.
misc *args Additional message arguments will be concatenated to the message string separated by a space.
kv **kwargs Key-value pairs to provide additional warning information.

Examples

basic

Log a warning message with additional information.

load("log", "warn")
warn("Fetching data took longer than expected", response_time=123)

error(msg, *misc, **kv)

Logs a message at the error log level and returns an error.

Parameters

name type description
msg string The message to log.
misc *args Additional message arguments will be concatenated to the message string separated by a space.
kv **kwargs Key-value pairs to provide additional error information.

Examples

basic

Log an error message with additional information.

load("log", "error")
error("Failed to fetch data", response_time=240)

fatal(msg, *misc, **kv)

Logs a message at the error log level, returns a fail(msg) to halt program execution.

Parameters

name type description
msg string The message to log.
misc *args Additional message arguments will be concatenated to the message string separated by a space.
kv **kwargs Key-value pairs to provide additional fatal error information.

Examples

basic

Log a fatal error message with additional information.

load("log", "fatal")
fatal("Failed to fetch data and cannot recover", retry_attempts=3, response_time=360)