Difference between revisions of "List of external software interfaces"

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This article lists past and present external software interfaces of [[GnuCash]], and suggests possible additional interfaces. In-process extensibility features are not listed (e.g. custom Scheme reports).
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This article lists past and present external software interfaces of [[GnuCash]], and suggests possible additional interfaces. It was started to figure out how one can "plug in" to gnucash.
  
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* [[Wikipedia:remote procedure call|RPC]] (bitrotted [http://lwn.net/Articles/43856/])
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'''This article is just ''descriptive'', and neither ''normative'' nor ''authoritative.'''''
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* [[Wikipedia:Perl|Perl]] bindings (bitrotted [http://lwn.net/Articles/43856/])
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;Warning: Most of this page is still from 2006.
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* [[Wikipedia:Quicken Interchange Format|QIF]]/[[Wikipedia:Open Financial Exchange|OFX]] import
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** from files
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==Current interfaces==
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* [[Wikipedia:Quicken Interchange Format|QIF]]/[[Wikipedia:Open Financial Exchange|OFX]]/[[Wikipedia:HBCI|HBCI]] import ([{{URL:GH}}Gnucash/gnucash/tree/zzzoldreleases/1.8/src/import-export src/import-export (1.8)]; [{{URL:GH}}Gnucash/gnucash/tree/stable/gnucash/import-export src/import-export (current)])
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** From files: There are two different implementations of importing possibilities in gnucash. One is for QIF, the other for OFX and HBCI/AqBanking.
 
*** CSV/TSV/[[Wikipedia:Microsoft Excel|XLS]]/[[Wikipedia:OpenDocument|ODS]] → QIF conversion (see [[FAQ#Q: How do I convert from CSV, TSV, XLS (Excel), or SXC (!OpenOffice.org Calc) to a QIF?]])
 
*** CSV/TSV/[[Wikipedia:Microsoft Excel|XLS]]/[[Wikipedia:OpenDocument|ODS]] → QIF conversion (see [[FAQ#Q: How do I convert from CSV, TSV, XLS (Excel), or SXC (!OpenOffice.org Calc) to a QIF?]])
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*** OFX
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*** See bugs for QIF import: [{{URL:Bugs}}buglist.cgi?product=GnuCash&component=Import - QIF&resolution=---]
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**** [http://libofx.sourceforge.net/ libofx]
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*** OFX import from file
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** [[FAQ#Q:_My_bank_offers_OFX_Direct_Connect.__How_do_I_use_that.3F|OFX Direct Connect]]
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**** bugs for OFX import: [{{URL:Bugs}}buglist.cgi?product=GnuCash&component=Import - OFX&resolution=---]
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**** [{{URL:GH}}libofx/libofx libofx]
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** [[FAQ#Q:_My_bank_offers_OFX_Direct_Connect.__How_do_I_use_that.3F|OFX Direct Connect]] via AqBanking library {{URL:AB}}aqbanking. Aqbanking has also additional import/export facilities which are currently not yet implemented in gnucash, but are almost finished for a MT940 file import. (Note: HBCI and Aqbanking are used interchangeably because the predecessor of Aqbanking only supported the German online banking protocol HBCI, but Aqbanking now supports not only this but additionally other means of online banking protocols plus file importing.)
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** [[HBCI]]
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** Bugs for general import, including HBCI/AqBanking import issues [{{URL:Bugs}}buglist.cgi?product=GnuCash&component=Import - AqBanking&resolution=---]
 
* direct data manipulation
 
* direct data manipulation
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** XML, "risky and not recommended" (see [[FAQ#Q: Is there a way to merge two accounts into one? That is, move all transactions from one account into another? That would save a lot of time compaired to moving each transaction!|FAQ]])
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** XML ([[GnuCash XML format]])
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** PostgreSQL
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*** "The new <nowiki>[1.6]</nowiki> version uses XML (making it much easier to write independent tools to manipulate GnuCash files) …" [[{{URL:www}}/docs/v1.6/C/t2780.html#AEN2783 GnuCash 1.6 User Manual]]
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*** "[''modifying'' the XML is] risky and not recommended" (see [[FAQ#Q: Is there a way to merge two accounts into one? That is, move all transactions from one account into another? That would save a lot of time compaired to moving each transaction!|FAQ]])
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==Wish list==
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** [[SQL]]: A generalized backend that supports [https://www.sqlite.org/ SQLite3], [https://www.mysql.com/ MySQL], and [https://www.postgresql.org/ PostgresQL]. This still has some issues with not saving all data in a few corner cases, largely due to flaws in GnuCash's data layer design. Directly querying the database is difficult for anything but the simplest queries, and correctly updating the database without using the GnuCash API is nearly impossible.
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* [[Wikipedia:CORBA|CORBA]], to communicate with a running GnuCash instance.  E.g., a running GnuCash incarnates a CORBA object of type:
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* custom reports (in the programming language [[Wikipedia:Scheme|Scheme]])
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<pre>interface GnuCash // simplified
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* <code>Finance::Quote</code> <!-- maybe this doesn't belong in this list.. is it intended to be extensible? Yes it is -->
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{
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* [http://www.parit.ca/projects/pythongnucash/ python-gnucash], a set of Python bindings to the GnuCash libraries
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  exception GnuCashException
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* [{{URL:GH}}goblin/gnucash-perl gnucash-perl], experimental Perl modules to interface the GnuCash file
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* [{{URL:GH}}DenissLarka/jgnucashlib jgnucashlib], Java library for manipulating the GnuCash file
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  typedef string Guid;
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* [{{URL:GH}}tdf/pygnclib PyGncLib], python xml bindings and scripts for manipulating the GnuCash xml file
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  struct Split
 
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  {
 
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    Guid id;
 
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    boolean reconciledState;
 
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    string value;
 
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    string quantity;
 
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    Guid account;
 
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  };
 
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  typedef sequence<Split> SplitSeq;
 
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  struct Transaction
 
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  {
 
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    Guid id;
 
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    string datePosted;
 
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    string dateEntered;
 
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    string description;
 
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    SplitSeq splits;
 
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  };
 
  
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  void submitTransaction(in Transaction t)
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==Legacy/unsupported interfaces==
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    raises (GnuCashException);
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These interfaces were supported in prior versions of GnuCash.
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};</pre>
 
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* linkable [[Wikipedia:library (computer science)|library]]
 
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** for communicating with a running GnuCash instance
 
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** for manipulation of GnuCash database or XML file directly
 
  
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==See also==
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* [{{URL:SF}}projects/jgnucashlib/ jgnucashlib], Original version of jgnucashlib by Marcus Wolschon, last update in 2013
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* [[WishList#Connecting with PalmOS]]
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* [[Wikipedia:remote procedure call|RPC]] ([{{URL:GH}}Gnucash/gnucash/tree/zzzoldreleases/1.8/src/backend/rpc back-end source (1.8)]) - bitrotted [https://lwn.net/Articles/43856/]
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* [[Wikipedia:Perl|Perl]] bindings (bitrotted [https://lwn.net/Articles/43856/])

Latest revision as of 13:27, 28 January 2024

This article lists past and present external software interfaces of GnuCash, and suggests possible additional interfaces. It was started to figure out how one can "plug in" to gnucash.

This article is just descriptive, and neither normative nor authoritative.

Warning
Most of this page is still from 2006.

Current interfaces

  • QIF/OFX/HBCI import (src/import-export (1.8); src/import-export (current))
  • direct data manipulation
    • XML (GnuCash XML format)
      • "The new [1.6] version uses XML (making it much easier to write independent tools to manipulate GnuCash files) …" [GnuCash 1.6 User Manual]
      • "[modifying the XML is] risky and not recommended" (see FAQ)
    • SQL: A generalized backend that supports SQLite3, MySQL, and PostgresQL. This still has some issues with not saving all data in a few corner cases, largely due to flaws in GnuCash's data layer design. Directly querying the database is difficult for anything but the simplest queries, and correctly updating the database without using the GnuCash API is nearly impossible.
  • custom reports (in the programming language Scheme)
  • Finance::Quote
  • python-gnucash, a set of Python bindings to the GnuCash libraries
  • gnucash-perl, experimental Perl modules to interface the GnuCash file
  • jgnucashlib, Java library for manipulating the GnuCash file
  • PyGncLib, python xml bindings and scripts for manipulating the GnuCash xml file

Legacy/unsupported interfaces

These interfaces were supported in prior versions of GnuCash.

Retrieved from "https://wiki.gnucash.org/wiki/index.php?title=List_of_external_software_interfaces&oldid=21998"