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[#116] Add :context key to appender data (@mikesperber)

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Peter Taoussanis 2015-07-17 19:01:01 +07:00
parent b37ace035e
commit 02531eb01f
2 changed files with 10 additions and 8 deletions
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3
README.md
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@ -125,10 +125,9 @@ This is the biggest win over Java logging IMO. Here's `timbre/example-config` (a
:output-fn ; (fn [data]) -> formatted output string
; (see `default-output-fn` for details)
:context ; *context* value at log time (see `with-context`)
:profile-stats ; From `profile` macro
Also incl. any `*context*` keys (see `with-context`).
MIDDLEWARE
Middleware are simple (fn [data]) -> ?data fns (applied left->right) that
transform the data map dispatched to appender fns. If any middleware returns

15
src/taoensso/timbre.cljx
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@ -96,10 +96,9 @@
:output-fn ; (fn [data]) -> formatted output string
; (see `default-output-fn` for details)
:context ; *context* value at log time (see `with-context`)
:profile-stats ; From `profile` macro
Also incl. any `*context*` keys (see `with-context`).
MIDDLEWARE
Middleware are simple (fn [data]) -> ?data fns (applied left->right) that
transform the data map dispatched to appender fns. If any middleware returns
@ -298,8 +297,8 @@
)
(def ^:dynamic *context*
"General-purpose dynamic logging context. Context will be merged into
appender data map at logging time." nil)
"General-purpose dynamic logging context. Context will be included in appender
data map at logging time." nil)
(defmacro with-context [context & body] `(binding [*context* ~context] ~@body))
(declare get-hostname)
@ -327,9 +326,13 @@
vargs*_ (delay (vsplit-err1 (force vargs_)))
?err_ (delay (get @vargs*_ 0))
vargs_ (delay (get @vargs*_ 1))
data (merge ?base-data *context*
context *context*
data (merge ?base-data
;; No, better nest than merge (appenders may want to pass
;; along arb context w/o knowing context keys, etc.):
(when (map? context) context) ; DEPRECATED, for back compat
{:config config ; Entire config!
;; :context *context* ; Extra destructure's a nuisance
:context context
:instant instant
:level level
:?ns-str ?ns-str