57 lines
1.6 KiB
Scheme
57 lines
1.6 KiB
Scheme
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(define-module (importers battery)
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#:use-module (ice-9 popen)
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#:use-module (ice-9 rdelim)
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#:use-module (ice-9 textual-ports)
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;; #:use-module (ice-9 format)
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#:use-module (srfi srfi-19) ; string/date
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#:use-module (org format)
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#:use-module (srfi srfi-1)
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#:export (*battery-path*
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get-battery
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battery->org))
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;; Depends on ubattery
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;; use "ubattery --enumerate" to list batteries
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(define *battery-path* "")
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(define (get-battery battery-path)
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(let* ((port
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(open-input-pipe
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(string-join `("upower" "--dump" ,battery-path) " ")))
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(str (get-string-all port)))
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(close-pipe port)
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str))
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(define (battery-props battery-path)
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(filter!
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(lambda (x) (not (unspecified? x)))
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(map
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(lambda (x) (when (= 2 (length x))
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`(,(string-trim-both (car x)) .
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,(string-trim-both (cadr x)))))
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(map
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(lambda (x) (string-split x #\:))
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(string-split (get-battery battery-path) #\nl)))))
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(define (get-battery-prop battery-path prop)
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(cdr (assoc prop (battery-props battery-path))))
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(define (battery->org-props btr)
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(org-properties
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`(("STATUS" ,(get-battery-prop btr "state"))
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("CAPACITY" ,(get-battery-prop btr "capacity"))
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("PERCENTAGE" ,(get-battery-prop btr "percentage"))
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("LID-CLOSED" ,(get-battery-prop btr "lid-is-closed"))
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("CONSUMPTION" ,(get-battery-prop btr "energy-rate"))
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)))
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(define (battery->org battery)
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(string-concatenate
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`("* "
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,(date->org (current-date) #t #t) " "
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"Battery "
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,(get-battery-prop *battery-path* "native-path")
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"\n"
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,(battery->org-props battery)
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"\n")))
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