Beancount Example & Tutorial

[Martin Blais]

Hi,

I've implemented an example generator script for Beancount:

https://bitbucket.org/blais/beancount/src/tip/src/python/beancount/scripts/example.py

This script can be used to generate several years of a realistic person's financial transaction history. The characteristics of the ledger produced by the script is described in the new basic tutorial I just wrote:

http://furius.ca/beancount/doc/tutorial

A run of the example generator outputs something like this:

https://bitbucket.org/blais/beancount/src/tip/examples/tutorial/example.beancount

I'll be using this script...

- In examples, to make illustrative queries on a realistic anonymous input file, to explain things;

- As the example file for Beancount's tutorial commands;

- As a basis for a converter to Ledger syntax, so that we can compare report outputs. You can convert Beancount input to Ledger input with "bean-query filename.beancount ledger > filename.lgr";

- For stress testing (eventually).

If anyone finds this useful, let me know.

Cheers,

[Simon Michael]

On 10/12/14 4:33 PM, Martin Blais wrote:
> I've implemented an example generator script for Beancount:
> https://bitbucket.org/blais/beancount/src/tip/src/python/beancount/scripts/example.py

...

> A run of the example generator outputs something like this:
> https://bitbucket.org/blais/beancount/src/tip/examples/tutorial/example.beancount

Very cool Martin!

I look forward to making hledger work with this and catching up on your
recent docs.

[Simon Michael]

FWIW, I went ahead and commented the syntax hledger doesn't support yet
- beancount directives, org-mode nodes (what a good idea!) - and
converted {PRICE} to @ PRICE, after which hledger balance gives the same
results as ledger, except for the capital gain/lost accounts and some
whitespace.

[Martin Blais]

Awesome stuff! :-)

I will adapt my converter.

Can you send me the modified file that is grokked by HLedger? 

I'll diff it and make sure the converter is able to replicate it.

Thanks,

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[Martin Blais]

I made the necessary changes.

Basically it's just like Ledger but without the {cost} syntax.

So I replaced all these values by the price syntax.

So now Beancount is able to convert to HLedger's syntax variant as well as Ledger's.

mandarine [default]:~/p/beancount$ bean-query examples/tutorial/example.beancount hledger > /tmp/test.lgr && hledger -f /tmp/test.lgr bal                                                                                                                                                                                      

           70.00 GLD  

          17.00 ITOT  

489.957000000000 RGAGX  

         5716.53 USD  

        337.26 VACHR  

309.950000000000 VBMPX  

           36.00 VEA  

          294.00 VHT  Assets:US

          596.05 USD    BofA:Checking

           70.00 GLD    

          17.00 ITOT    

....

On Thu, Oct 16, 2014 at 1:15 PM, Simon Michael <si...@joyful.com> wrote:

On 10/13/14 10:18 PM, Martin Blais wrote:

Awesome stuff! :-)
I will adapt my converter.
Can you send me the modified file that is grokked by HLedger?
I'll diff it and make sure the converter is able to replicate it.

It's example.beancount.hledger at http://hledger.org/static/ .

Best - Simon


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[Simon Michael]

On 10/18/14 9:07 AM, Martin Blais wrote:
> I made the necessary changes.
> Basically it's just like Ledger but without the {cost} syntax.
> So I replaced all these values by the price syntax.
> So now Beancount is able to convert to HLedger's syntax variant as well
> as Ledger's.
>
>
> mandarine [default]:~/p/beancount$ bean-query
> examples/tutorial/example.beancount hledger > /tmp/test.lgr && hledger
> -f /tmp/test.lgr bal
> 70.00 GLD
> 17.00 ITOT
> 489.957000000000 RGAGX
> 5716.53 USD
> 337.26 VACHR
> 309.950000000000 VBMPX
> 36.00 VEA
> 294.00 VHT Assets:US
> 596.05 USD BofA:Checking
> 70.00 GLD
> 17.00 ITOT
> ....

I think you've added a "hledger" subcommand to bean-query, which prints
out a beancount journal in hledger-compatible format - is that right ?

[Martin Blais]

Yes

[Simon Michael]

On 10/18/14 2:53 PM, Martin Blais wrote:
> I think you've added a "hledger" subcommand to bean-query, which
> prints out a beancount journal in hledger-compatible format - is
> that right ?
>
> Yes

Nice!