On Thu, Aug 10, 2023 at 12:50 AM Eric Altendorf <ericaltend...@gmail.com> wrote:
> On Wed, Aug 9, 2023 at 5:48 AM Martin Blais <bl...@furius.ca> wrote: > >> The original goal of bean-price is >> >> - load the ledger and figure out which price entries are missing, say, at >> transaction times and at regular intervals while positions are held >> - fetch/scrape rates from some external sites >> - print out the missing Price directives in Beancount format so you can >> insert them into your file. >> That's all. >> > > OK, that's what I thought. It doesn't seem to be doing this for me, not > sure if there's a bug or if my test cases (e.g. earlier this thread) don't > match the patterns it looks for. Although I'm strongly biased against > forking/duplicating code, this may be a case where I'm better off managing > price fetching myself...I'll dig inside the library to see if I can at > least reuse the fetching infra, even if I drive it with my own triggers. > Code rots. I haven't been using this regularly myself. It's possibly broken. There is not much to reuse here; roll out your own is a fine alternative. > > In v3/master, moved it to its own repo so I could focus on just the core. >> I admit it needs a bit more love. >> > > No problem. Don't construe any of my questions as complaints. :) I'm > just trying to understand the state of the world so I can plan in ways that > meet my own goals and hopefully also advance the Beancount platform at the > same time. > No worries. I'm sorry I haven't been able to follow / respond to the flurry of emails. On Wed, Aug 9, 2023, 13:11 Eric Altendorf <ericaltend...@gmail.com> wrote: >> >>> Here's another example: >>> >>> 2020-06-02 * "Mining reward of 0.05 BTC" >>> Assets:Ledger:BTC 0.05 BTC >>> Income:Mining:USD >>> >>> $ bean-price -vn price-fetch-test.beancount >>> INFO : Using price cache at "/tmp/bean-price.cache" (with indefinite >>> expiration) >>> INFO : Processing at date: 2023-08-08 >>> INFO : Loading "price-fetch-test.beancount" >>> BTC /USD @ latest [ >>> beanprice.sources.yahoo(BTC-USD) ] >>> >>> None of the transactions I enter seem to cause bean-price to fetch >>> anything but @latest. >>> >>> Is there some annotation I need to be putting on my transactions to say >>> "hey, price is needed here" ? >>> >>> >>> >>> On Tue, Aug 8, 2023 at 9:07 PM Eric Altendorf <ericaltend...@gmail.com> >>> wrote: >>> >>>> Thanks, William. >>>> >>>> On Tue, Aug 8, 2023 at 4:04 PM William Bean <wbea...@gmail.com> wrote: >>>> >>>>> Hey Eric, >>>>> >>>>> Check out the repo for this that is located here: >>>>> https://github.com/beancount/beanprice >>>>> >>>>> There is a little documentation there that you can take a look at, but >>>>> basically you'll want to use: >>>>> >>>> >>>> I have read that too. >>>> >>>> >>>>> bean-price --update ledger.beancount >>>>> >>>>> That will fetch all historical prices (as needed by your ledger) up to >>>>> the current day. >>>>> >>>> >>>> Thanks for confirming that it is supposed to fetch historical prices. >>>> >>>> Do you know what beancount considers "needed by the ledger"? I can't >>>> seem to make sense of it; as I reported in my original post, it's not >>>> fetching the prices that it seems to *me* the ledger would need. >>>> >>>> I'm assuming bean-price is designed for a different use case than mine >>>> and offers different behavior, but I can't quite figure out what that use >>>> case or behavior is, and without understanding that I can't figure out >>>> whether I can adapt bean-price for my case... >>>> >>>> >>>> >>>> >>>>> >>>>> On Monday, August 7, 2023 at 7:39:31 PM UTC-4 erical...@gmail.com >>>>> wrote: >>>>> >>>>>> Let me ask a more basic question. What is bean-price actually >>>>>> supposed to do? >>>>>> >>>>>> Re-reading >>>>>> https://beancount.github.io/docs/fetching_prices_in_beancount.html , >>>>>> I'm piecing together that perhaps the only thing bean-price does is >>>>>> value your assets as of a certain date. Is that true? TBH it's not >>>>>> clear >>>>>> from the docs. >>>>>> >>>>>> There are other uses for prices, e.g., establishing cost basis for a >>>>>> purchase, or establishing the value of the transfer of an asset at a >>>>>> particular point in time be that for income or expenses. Are there >>>>>> existing plugins that can look up historical prices and annotate >>>>>> transactions with them where they're missing? >>>>>> >>>>>> On Tue, Aug 1, 2023 at 5:54 PM Eric Altendorf <erical...@gmail.com> >>>>>> wrote: >>>>>> >>>>>>> I'm having trouble understanding how automatic price fetching works, >>>>>>> and I think it's being additionally complicated by questions of price >>>>>>> imputation and maybe PnL accounts. Let's start with the simplest case. >>>>>>> Consider (commodity declarations omitted for brevity): >>>>>>> >>>>>>> 2020-01-01 * "Buy BTC (from USD)" >>>>>>> Assets:Coinbase:BTC 0.50000000 BTC >>>>>>> Assets:Coinbase:USD -4750.00000000 USD >>>>>>> >>>>>>> I would have expected bean-price to fetch a price for BTC for >>>>>>> 2020-01-01, but instead it fails, saying the transaction doesn't >>>>>>> balance. >>>>>>> Now, if I supply a price >>>>>>> >>>>>>> 2020-01-01 * "Buy BTC (from USD)" >>>>>>> Assets:Coinbase:BTC 0.50000000 BTC @ 9500.0 USD >>>>>>> Assets:Coinbase:USD -4750.00000000 USD >>>>>>> >>>>>>> or supply a price spec with no number: >>>>>>> >>>>>>> 2020-01-01 * "Buy BTC (from USD)" >>>>>>> Assets:Coinbase:BTC 0.50000000 BTC @ USD >>>>>>> Assets:Coinbase:USDT -4750.00000000 USD >>>>>>> >>>>>>> then there is no error, but bean-price fetches *today's* price. >>>>>>> >>>>>>> Now let's consider a more complex example: >>>>>>> >>>>>>> 2020-02-01 * "Buy BTC (from USDT)" >>>>>>> Assets:Coinbase:BTC 0.50000000 BTC >>>>>>> Assets:Coinbase:USDT -4750.00000000 USDT >>>>>>> Income:PnL >>>>>>> >>>>>>> Here, I'd like to fetch the USD prices of both BTC and USDT, which >>>>>>> would allow PnL to be computed, but bean-price fetches nothing. Now, >>>>>>> if I >>>>>>> put "@ USD" at the end of the BTC posting (as above), instead of getting >>>>>>> the price on 2020-01-01 (as I desire), or the price today (as in the >>>>>>> earlier example), I get "Too many missing numbers for currency group >>>>>>> 'USD'". >>>>>>> >>>>>>> I can't quite figure out what bean-price is doing, or square it >>>>>>> against the documentation >>>>>>> <https://docs.google.com/document/d/1thYRAMell_QT1Da1F_laprSs6BlROZjyK_h3V8qHW9c/edit>. >>>>>>> Any tips to get me unblocked? >>>>>>> >>>>>>> thanks, >>>>>>> eric >>>>>>> >>>>>> -- >>>>> You received this message because you are subscribed to the Google >>>>> Groups "Beancount" group. >>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>> an email to beancount+unsubscr...@googlegroups.com. >>>>> To view this discussion on the web visit >>>>> https://groups.google.com/d/msgid/beancount/ede58116-e234-4ffb-8d69-4188304af919n%40googlegroups.com >>>>> <https://groups.google.com/d/msgid/beancount/ede58116-e234-4ffb-8d69-4188304af919n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>> . >>>>> >>>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Beancount" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to beancount+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/beancount/CAFXPr0v-PtEhQP5q511k9xpkV_L8cpiVQBsyYhzGK%2BLaTd-oZQ%40mail.gmail.com >>> <https://groups.google.com/d/msgid/beancount/CAFXPr0v-PtEhQP5q511k9xpkV_L8cpiVQBsyYhzGK%2BLaTd-oZQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Beancount" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to beancount+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/beancount/CAK21%2BhPgjxmwB-3p%2BxhVKyAXbU8dOxhc59-P9E8b4%3DuZeXv67w%40mail.gmail.com >> <https://groups.google.com/d/msgid/beancount/CAK21%2BhPgjxmwB-3p%2BxhVKyAXbU8dOxhc59-P9E8b4%3DuZeXv67w%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- > You received this message because you are subscribed to the Google Groups > "Beancount" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beancount+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/beancount/CAFXPr0tGDUdsznC-9HXEwXUBqUbW3MvKX1G5GzDFU1M6EvEccw%40mail.gmail.com > <https://groups.google.com/d/msgid/beancount/CAFXPr0tGDUdsznC-9HXEwXUBqUbW3MvKX1G5GzDFU1M6EvEccw%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Beancount" group. 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