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16649e0f2f
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Remove the template's HTTP service, database and fx wiring. Add exact arithmetic on go/parser and go/constant, a client that runs simplex-chat as a child process and drives its WebSocket API, and the bot, which keeps an auto-accepting address and replies to each message. The image adds the checksum-pinned simplex-chat v7.0.2 on Ubuntu 22.04. Model: opus-5-5
41 lines
977 B
Go
41 lines
977 B
Go
// Package logger provides structured logging using stdlib log/slog.
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//
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// JSON output always, one format for every environment, TTY or not. A
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// log line is a record to be queried, not prose to be read.
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package logger
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import (
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"fmt"
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"io"
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"log/slog"
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"path/filepath"
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)
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// New returns a JSON logger writing to out, at debug level when debug is
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// set and at info level otherwise.
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func New(out io.Writer, debug bool) *slog.Logger {
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level := slog.LevelInfo
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if debug {
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level = slog.LevelDebug
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}
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// replaceAttr simplifies the source attribute to "file.go:line".
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replaceAttr := func(_ []string, a slog.Attr) slog.Attr {
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if a.Key == slog.SourceKey {
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if src, ok := a.Value.Any().(*slog.Source); ok {
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a.Value = slog.StringValue(
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fmt.Sprintf("%s:%d", filepath.Base(src.File), src.Line),
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)
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}
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}
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return a
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}
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return slog.New(slog.NewJSONHandler(out, &slog.HandlerOptions{
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Level: level,
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AddSource: true,
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ReplaceAttr: replaceAttr,
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}))
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}
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