I’m curious about using sql scripts for read and update operations on Gnucash data when that data is maintained in such a database. For XML, similar things could be accomplished using XSLT or XQuery.
Has anything along these lines been done? -- Peter West p...@pbw.id.au Moved with pity, he stretched out his hand and touched him and said to him, “I will; be clean.” > On 18 Jan 2020, at 10:33 am, Jon Schewe <jpsch...@mtu.net> wrote: > > On 1/14/20 10:28 PM, Raymond Smith wrote: >> Hi, Gnucash list. >> >> I'm interested in using a script to add and edit prices in my Gnucash file. >> For example, I'd like to >> (a) loop over a file containing historical price data and add prices for >> dates where the price is missing because I didn't do a quote retrieval in >> Gnucash that day >> (b) loop over the prices I have of one security and add prices for call >> options using max(0, security price - strike price). >> I would prefer working in Python if possible, and I'm looking for guidance >> on the right approach. >> >> I've seen there are some Python bindings and also the piecash library, but >> it's not clear to me how well maintained or supported either is right now. >> I found relatively little documentation on the Python bindings ( >> https://wiki.gnucash.org/wiki/Python_Bindings). Piecash looks very nice, >> and I was able to set up a simple example where I added a price using it. >> But, it currently has a very minor issue ( >> https://github.com/sdementen/piecash/issues/126) that prevented it from >> running on my recent gnucash save files without a simple fix. Not a big >> deal to do that, but I'd like to avoid tying myself to a library that >> stalls while Gnucash and my save files continue to evolve. >> >> Another option I've thought about is to parse xml files using something >> like Python's xml library. That seems reasonably straightforward at first >> glance, but perhaps there are some things I should be aware of that I'm >> missing that would make this a bad idea? One question that has already come >> up is how to manage guid's of the prices. Can they be any string of the >> appropriate length as long as each is unique within the file? I tried a >> super simple test file where I copied one <price></price> block and changed >> the date, price, and guid, then re-opened the file, and it seemed to work, >> but I'm not sure if that's dangerous. > Take a look at this post that I put up last month > https://lists.gnucash.org/pipermail/gnucash-user/2019-December/088313.html > This has a reference to a script that I wrote to get my price quotes on a > regular basis when the normal mechanism wasn't working. The python bindings > seem to work fine. > > Jon > > -- > http://mtu.net/~jpschewe > > _______________________________________________ > gnucash-user mailing list > gnucash-user@gnucash.org > To update your subscription preferences or to unsubscribe: > https://lists.gnucash.org/mailman/listinfo/gnucash-user > If you are using Nabble or Gmane, please see > https://wiki.gnucash.org/wiki/Mailing_Lists for more information. > ----- > Please remember to CC this list on all your replies. > You can do this by using Reply-To-List or Reply-All. _______________________________________________ gnucash-user mailing list gnucash-user@gnucash.org To update your subscription preferences or to unsubscribe: https://lists.gnucash.org/mailman/listinfo/gnucash-user If you are using Nabble or Gmane, please see https://wiki.gnucash.org/wiki/Mailing_Lists for more information. ----- Please remember to CC this list on all your replies. You can do this by using Reply-To-List or Reply-All.
