99 lines
3.1 KiB
Text
99 lines
3.1 KiB
Text
;; A valuation function receives three arguments:
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;;
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;; 'source' A string identifying the commodity whose price
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;; is being asked for (example: "EUR")
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;;
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;; 'date' The reference date the price should be relative.
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;;
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;; 'target' A string identifying the "target" commodity, or
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;; the commodity the returned price should be in.
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;; This argument is null if -V was used instead of -X.
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;;
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;; The valuation function should return an amount. If you've written your
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;; function in Python, you can return something like Amount("$100"). If the
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;; function returns an explicit value, that value is always used, regardless
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;; of the commodity, the date, or the desired target commodity.
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define myfunc_seven(s, d, t) = 7 EUR
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;; In order to specific a fixed price, but still valuate that price into the
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;; target commodity, use something like this:
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define myfunc_five(s, d, t) = market(5 EUR, d, t)
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;; The 'value' directive sets the valuation used for all commodities used in
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;; the rest of the daat stream. This is the fallback, if nothing more
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;; specific is found.
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value myfunc_seven
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;; You can set a specific valuation function on a per-commodity basis.
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;; Instead of defining a function, you can also pass a lambda.
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commodity $
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value s, d, t -> 6 EUR
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;; Each account can also provide a default valuation function for any
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;; commodities transferred to that account.
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account Expenses:Food5
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value myfunc_five
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;; The metadata field "Value", if found, overrides the valuation function on a
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;; transaction-wide or per-posting basis.
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= @XACT and Food
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; Value:: 8 EUR
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(Equity) $1
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= @POST and Dining
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(Expenses:Food9) $1
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; Value:: 9 EUR
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;; Lastly, you can specify the valuation function/value for any specific
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;; amount using the (( )) commodity annotation.
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2012-03-02 KFC
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Expenses:Food2 $1 ((2 EUR))
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Assets:Cash2
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2012-03-03 KFC
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Expenses:Food3 $1
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; Value:: 3 EUR
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Assets:Cash3
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2012-03-04 KFC
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; Value:: 4 EUR
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Expenses:Food4 $1
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Assets:Cash4
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2012-03-05 KFC
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Expenses:Food5 $1
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Assets:Cash5
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2012-03-06 KFC
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Expenses:Food6 $1
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Assets:Cash6
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2012-03-07 KFC
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Expenses:Food7 1 CAD
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Assets:Cash7
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2012-03-08 XACT
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Expenses:Food8 $1
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Assets:Cash8
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2012-03-09 POST
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Expenses:Dining9 $1
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Assets:Cash9
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test reg -V food
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12-Mar-02 KFC Expenses:Food2 2 EUR 2 EUR
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12-Mar-03 KFC Expenses:Food3 3 EUR 5 EUR
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12-Mar-04 KFC Expenses:Food4 4 EUR 9 EUR
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12-Mar-05 KFC Expenses:Food5 5 EUR 14 EUR
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12-Mar-06 KFC Expenses:Food6 6 EUR 20 EUR
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12-Mar-07 KFC Expenses:Food7 7 EUR 27 EUR
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12-Mar-08 XACT Expenses:Food8 8 EUR 35 EUR
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12-Mar-09 POST (Expenses:Food9) 9 EUR 44 EUR
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end test
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