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Added log custom command & exported log levels (#9055)

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# Description
- Log levels are now exported members of `std log`, e.g. `std log
CRITICAL_LEVEL`
- Added `std log custom` command that allows to declare custom message
format (actual message replaces `%MSG%` in the template) with
user-defined log level.


# User-Facing Changes
New possibilities included in description

# Tests + Formatting
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> from `nushell` you can also use the `toolkit` as follows
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> use toolkit.nu # or use an `env_change` hook to activate it
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<!-- If your PR had any user-facing changes, update [the
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This commit is contained in:
Kamil 2023-05-04 18:30:15 +02:00 committed by GitHub
parent b82e279f9d
commit 155de9f6fc
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 106 additions and 24 deletions
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92
crates/nu-std/lib/log.nu
View File

@ -1,24 +1,49 @@
def CRITICAL_LEVEL [] { 50 }
def ERROR_LEVEL [] { 40 }
def WARNING_LEVEL [] { 30 }
def INFO_LEVEL [] { 20 }
def DEBUG_LEVEL [] { 10 }
export def "log CRITICAL_LEVEL" [] { 50 }
export def "log ERROR_LEVEL" [] { 40 }
export def "log WARNING_LEVEL" [] { 30 }
export def "log INFO_LEVEL" [] { 20 }
export def "log DEBUG_LEVEL" [] { 10 }
export def "log CRITICAL_LEVEL_PREFIX" [] { "CRT" }
export def "log ERROR_LEVEL_PREFIX" [] { "ERR" }
export def "log WARNING_LEVEL_PREFIX" [] { "WRN" }
export def "log INFO_LEVEL_PREFIX" [] { "INF" }
export def "log DEBUG_LEVEL_PREFIX" [] { "DBG" }
def parse-string-level [level: string] {
(
if $level == "CRITICAL" { (CRITICAL_LEVEL)}
else if $level == "CRIT" { (CRITICAL_LEVEL)}
else if $level == "ERROR" { (ERROR_LEVEL) }
else if $level == "WARNING" { (WARNING_LEVEL) }
else if $level == "WARN" { (WARNING_LEVEL) }
else if $level == "INFO" { (INFO_LEVEL) }
else if $level == "DEBUG" { (DEBUG_LEVEL) }
else { (INFO_LEVEL) }
if ($level in [(log CRITICAL_LEVEL_PREFIX) "CRIT" "CRITICAL"]) {
log CRITICAL_LEVEL
} else if ($level in [(log ERROR_LEVEL_PREFIX) "ERROR" ]) {
log ERROR_LEVEL
} else if ($level in [(log WARNING_LEVEL_PREFIX) "WARN" "WARNING"]) {
log WARNING_LEVEL
} else if ($level in [(log DEBUG_LEVEL_PREFIX) "DEBUG"]) {
log DEBUG_LEVEL
} else {
log INFO_LEVEL
}
)
}
def parse-int-level [level: int] {
(
if ($level >= (log CRITICAL_LEVEL)) {
log CRITICAL_LEVEL_PREFIX
} else if ($level >= (log ERROR_LEVEL)) {
log ERROR_LEVEL_PREFIX
} else if ($level >= (log WARNING_LEVEL)) {
log WARNING_LEVEL_PREFIX
} else if ($level >= (log INFO_LEVEL)) {
log INFO_LEVEL_PREFIX
} else {
log DEBUG_LEVEL_PREFIX
}
)
}
def current-log-level [] {
let env_level = ($env | get -i NU_LOG_LEVEL | default (INFO_LEVEL))
let env_level = ($env | get -i NU_LOG_LEVEL | default (log INFO_LEVEL))
try {
($env_level | into int)
@ -33,31 +58,50 @@ def now [] {
# Log critical message
export def "log critical" [message: string] {
if (current-log-level) > (CRITICAL_LEVEL) { return }
if (current-log-level) > (log CRITICAL_LEVEL) { return }
print --stderr $"(ansi red_bold)CRT|(now)|($message)(ansi reset)"
print --stderr $"(ansi red_bold)(log CRITICAL_LEVEL_PREFIX)|(now)|($message)(ansi reset)"
}
# Log error message
export def "log error" [message: string] {
if (current-log-level) > (ERROR_LEVEL) { return }
if (current-log-level) > (log ERROR_LEVEL) { return }
print --stderr $"(ansi red)ERR|(now)|($message)(ansi reset)"
print --stderr $"(ansi red)(log ERROR_LEVEL_PREFIX)|(now)|($message)(ansi reset)"
}
# Log warning message
export def "log warning" [message: string] {
if (current-log-level) > (WARNING_LEVEL) { return }
if (current-log-level) > (log WARNING_LEVEL) { return }
print --stderr $"(ansi yellow)WRN|(now)|($message)(ansi reset)"
print --stderr $"(ansi yellow)(log WARNING_LEVEL_PREFIX)|(now)|($message)(ansi reset)"
}
# Log info message
export def "log info" [message: string] {
if (current-log-level) > (INFO_LEVEL) { return }
if (current-log-level) > (log INFO_LEVEL) { return }
print --stderr $"(ansi default)INF|(now)|($message)(ansi reset)"
print --stderr $"(ansi default)(log INFO_LEVEL_PREFIX)|(now)|($message)(ansi reset)"
}
# Log debug message
export def "log debug" [message: string] {
if (current-log-level) > (DEBUG_LEVEL) { return }
if (current-log-level) > (log DEBUG_LEVEL) { return }
print --stderr $"(ansi default_dimmed)DBG|(now)|($message)(ansi reset)"
print --stderr $"(ansi default_dimmed)(log DEBUG_LEVEL_PREFIX)|(now)|($message)(ansi reset)"
}
# Log with custom message format and verbosity level
#
# Format reference:
# > %MSG% will be replaced by $message
# > %DATE% will be replaced by the timestamp of log in standard Nushell's log format: "%Y-%m-%dT%H:%M:%S%.3f"
# > %LEVEL% will be replaced by the standard Nushell's log verbosity prefixes, e.g. "CRT"
#
# Examples:
# > std log custom "my message" $"(ansi yellow)[%LEVEL%]MY MESSAGE: %MSG% [%DATE%](ansi reset)" (std log WARNING_LEVEL)
export def "log custom" [
message: string, # Message inserted into the log template
format: string, # A string to be printed into stderr.
log_level: int # Log's verbosity level
] {
if (current-log-level) > ($log_level) { return }
print --stderr ($format | str replace "%MSG%" $message | str replace "%DATE%" (now) | str replace "%LEVEL%" (parse-int-level $log_level | into string))
}

38
crates/nu-std/tests/test_logger.nu
View File

@ -36,3 +36,41 @@ export def test_debug [] {
assert no message INFO debug
assert message DEBUG debug DBG
}
def "run custom" [system_level, format, message_level] {
do {
^$nu.current-exe -c $'use std; NU_LOG_LEVEL=($system_level) std log custom "test message" "($format)" ($message_level)'
} | complete | get -i stderr
}
def "assert custom message" [system_level, format, message_level] {
let output = (run custom $system_level $format $message_level)
assert equal ($output | str trim -r) ($format | str replace "%MSG%" "test message")
}
def "assert custom message contains" [system_level, format, message_level, tested_str] {
let output = (run custom $system_level $format $message_level)
assert ($output | str contains $tested_str)
assert ($output | str contains "test message")
}
def "assert custom message not contains" [system_level, format, message_level, tested_str] {
let output = (run custom $system_level $format $message_level)
assert (not ($output | str contains $tested_str))
assert ($output | str contains "test message")
}
def "assert no custom message" [system_level, format, message_level] {
let output = (run custom $system_level $format $message_level)
assert equal ($output | str trim -r) ""
}
export def test_custom [] {
assert no custom message (log ERROR_LEVEL) "%MSG%" (log DEBUG_LEVEL)
assert custom message (log DEBUG_LEVEL) "%MSG%" (log INFO_LEVEL)
assert custom message (log WARNING_LEVEL) $"my_msg: %MSG%" (log CRITICAL_LEVEL)
assert custom message contains (log DEBUG_LEVEL) $"(ansi yellow)[%LEVEL%]MY MESSAGE: %MSG% [%DATE%](ansi reset)" (log WARNING_LEVEL) (log WARNING_LEVEL_PREFIX)
assert custom message not contains (log DEBUG_LEVEL) $"(ansi yellow)MY MESSAGE: %MSG% [%DATE%](ansi reset)" (log WARNING_LEVEL) (log WARNING_LEVEL_PREFIX)
}