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109 lines
6.0 KiB
HTML
109 lines
6.0 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>Handbook Troggle NOTES</title>
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<link rel="stylesheet" type="text/css" href="../../css/main2.css" />
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</head>
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<body><style>body { background: #fff url(/images/style/bg-system.png) repeat-x 0 0 }</style>
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<h2 id="tophead">CUCC Expedition Handbook</h2>
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<h1>Troggle - programmers' guide</h1>
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<img border="1" class="onright" width="150px" src='tricky-troggle.jpg' alt='git logo'/></a>
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<h2>Programming Guide</h2>
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<p>If you want to roll up your sleves and fix some horrifying annoyance that is bugging the hell out of you then you have come to the right place.
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<h3>you will already have tried all these..</h3>
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<ul>
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<li><a href="../computing/manual.html">the <em>Data</em> Maintenance</a> manual.
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<li><a href="trogmanual.html">Troggle - Maintenance</a> - list of maintenance tasks<br>
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<li><a href="trogarch.html">Troggle - Architecture</a> - diagrams, files, structure<br>
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</ul>
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<p>and you will have dismissed them as too trivial for your needs. You will have skipped over all that nasty confusing Django stuff:
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<ul>
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<a href="trogdjango.html">Troggle and Django</a> - The Django web framework we use<br>
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<a href="trogdjangup.html">Troggle: updating Django</a> - Upgrading troggle to use a later Django version<br>
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</ul>
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and you will also also have merely skimmed as irrelevant or trivial:
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<ul>
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<li><a href="serverconfig.html">Troggle server configuration</a> - troggle running on a new server<br>
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<li><a href="scriptsother.html">Other scripts</a>
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<li><a href="scriptscurrent.html">Additional Scripts</a> - more detail<br>
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<li><a href="../computing/repos.html">Version control</a> - why we have repos<br>
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</ul>
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<p>You want to dive into the real stuff and add missing fields to the core data model:
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<ul>
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<li><a href="datamodel.html">Troggle - Data Model</a> - syntax-coloured list of classes, instance variables and foreign keys<br>
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</ul>
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<p>We admire your drive and enthusiasm. We were like you once.
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<p>First, you need to get the "expoadmin" password from a nerd. Then you will be able to dive into the online
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admin system where you can explore and poke the live system and
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database using the <a href="/admin/">system admin control panel</a>.
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This has a data structure browser for the classes and fields of the system as
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live and in-use: all the foreign keys and relationship cardinalities.
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(This is not the same thing as the <a href="/troggle">troggle control panel</a> which is for deeper data management: bulk uploading and export of data files.)
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<p>And, you may be surprised to discover, we have given a lot of thought into how to make it easier for you
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to <a href="../computing/contribute.html#programming">get involved in the programming</a> while not screwing up this multi-decade software project.
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<h3>Perhaps an external add-on?</h3>
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<p>Perhaps you can program something external to troggle, in JavaScript say, using troggle data?
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<ul>
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<li><a href="exportjson.html">JSON export</a> - how to extract cave and expo data in JSON format.
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<li><a href="exporttgz.html">Compressed data export</a> - how to extract cave and expo data in gzip/tar format.
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</ul>
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<h3 id="devtree">Creating your own system development machine</h3>
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<p>It's a simple sequence whcih steadily builds your expertise:
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<ol>
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<li>Use the online forms and reports.
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<li>Read documentation to get the <a href="trogarch.html">concepts and structures</a> into your head, so that you can see how it all fits together and works.
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<li>Explore the public pages of the <a href="/repositories">4 git repositories</a> including <a href="/repositories/troggle/.git/tree/">all the source code</a>
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<li>Use the online forms and reports together with 'survex' and 'therion' installed on your own laptop.
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<li>Get the 'expoadmin' password and explore the live system online: watch the data change in real time
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<li>Configure <a href="../computing/keyexchange.html">an ssh key</a> and <a href="../computing/fzconfig.html">Filezilla</a> or scp/sFTP.
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<li>Configure a <a href="../computing/basiclaptop.html">basic expo laptop</a>
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<li>Configure a <a href="../computing/yourlaptop.html">more cave software on your laptop</a>
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<li>Configure a <a href="troglaptop.html">troggle development machine</a> - a laptop where you have cloned the repos and installed django. Installing is the same as updating Django. See <a href="trogdjangup.html">Troggle: updating Django</a>.
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</ol>
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<h3>Fixing broken URL dispatch</h3>
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<p>This <em>happens all the time</em>. If ever troggle is crashing on you very mysteriously, it is almost certainly due to a typo in troggle/urls.py . Odd but true.
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<h3>Fixing a broken HTML template</h3>
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<h3>Running databaseReset</h3>
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<ul>
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<li><a href="trogimport.html">Troggle - Data Import</a> - reset and import data<br>
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</ul>
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<h3>Running the test suite</h3>
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<ul>
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<li><a href="unittests.html">Troggle - Page tests and unit tests</a> <br>
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</ul>
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<h3>This manual is very incomplete - notes</h3>
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<p>[Note that /survey_scans/ is a url published by troggle and is not the same thing as the real directory /expofiles/surveyscans/ at all.]
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<p>Only a small part of troggle's original plan was fully implemented and deployed.
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Many of the things it was intended to replace are still operating as a motley collection written by many different people in
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several languages (but mostly perl and python; we won't talk about the person who likes to use OCamL).
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<hr />
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<h3><a id="arch">Archived updates</a></h3>
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<p>Since 2008 we have been keeping detailed records of all data management system updates in the version control system.
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Before then we manually maintained <a href="../computing/update.html">a list of updates</a> which are now only of historical interest.
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<p>A history of the expo website and software was published in Cambridge Underground 1996. A copy of this article <a href="../c21bs.html">Taking Expo Bullshit into the 21st Century</a> is archived here.
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<hr />
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Go on to: <a href="trogarch.html">Troggle architecture</a><br />
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Return to: <a href="trogintro.html">Troggle intro</a><br />
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Troggle index:
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<a href="trogindex.html">Index of all troggle documents</a><br />
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<hr />
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</body>
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</html>
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