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log: add local time / utc time selection support (#24268)

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kbkpbot 2025-04-20 08:25:13 +08:00 committed by GitHub
parent 324edc6eab
commit 13645e2456
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2 changed files with 20 additions and 2 deletions
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15
vlib/log/log.v
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@ -38,6 +38,7 @@ mut:
time_format TimeFormat = .tf_rfc3339_micro
custom_time_format string = 'MMMM Do YY N kk:mm:ss A' // timestamp with custom format
short_tag bool
local_time bool // use local time or utc time in log
always_flush bool // flush after every single .fatal(), .error(), .warn(), .info(), .debug() call
output_stream io.Writer = stderr
pub mut:
@ -119,7 +120,7 @@ pub fn (mut l Log) reopen() ! {
// log_file writes log line `s` with `level` to the log file.
fn (mut l Log) log_file(s string, level Level) {
timestamp := l.time_format(time.utc())
timestamp := l.time_format(if l.local_time { time.now() } else { time.utc() })
e := tag_to_file(level, l.short_tag)
unsafe {
@ -142,7 +143,7 @@ fn (mut l Log) log_file(s string, level Level) {
// log_stream writes log line `s` with `level` to stderr or stderr depending on set output stream.
fn (mut l Log) log_stream(s string, level Level) {
timestamp := l.time_format(time.utc())
timestamp := l.time_format(if l.local_time { time.now() } else { time.utc() })
tag := tag_to_console(level, l.short_tag)
msg := '${timestamp} [${tag}] ${s}\n'
arr := msg.bytes()
@ -313,6 +314,16 @@ pub fn (l Log) get_short_tag() bool {
return l.short_tag
}
// set_local_time will set the log using local time
pub fn (mut l Log) set_local_time(enabled bool) {
l.local_time = enabled
}
// get_local_time will get the log using local time state
pub fn (l Log) get_local_time() bool {
return l.local_time
}
// use_stdout will restore the old behaviour of logging to stdout, instead of stderr.
// It will also silence the deprecation note in the transition period.
pub fn use_stdout() {

7
vlib/log/log_test.v
View File

@ -134,6 +134,13 @@ fn test_log_time_format() {
assert TimeFormat.tf_custom_format == l.get_time_format()
l.info('${@FN} custom like January 1st 22 AD 13:45:33 PM')
assert true
l.set_time_format(.tf_default)
l.set_local_time(true)
l.info('${@FN} time log in local time')
assert l.get_local_time()
l.set_local_time(false)
l.info('${@FN} time log in utc time')
assert !l.get_local_time()
println(@FN + ' end')
}