expoweb/handbook/troggle/trognotes.html

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<h2 id="tophead">CUCC Expedition Handbook</h2>
<h1>Troggle - programmers' guide</h1>
<img  border="1" class="onright" width="150px" src='tricky-troggle.jpg' alt='git logo'/></a>

<h2>Programming Guide</h2>
<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.
<h3>you will already have tried all these..</h3>
<ul>
<li><a href="../computing/manual.html">the <em>Data</em> Maintenance</a> manual.
<li><a href="trogmanual.html">Troggle - Maintenance</a> - list of maintenance tasks<br>
<li><a href="trogarch.html">Troggle - Architecture</a> - diagrams, files, structure<br>
</ul>

<p>and you will have dismissed them as too trivial for your needs. You will have skipped over all that nasty confusing Django stuff:
<ul>
<a href="trogdjango.html">Troggle and Django</a> - The Django web framework we use<br>
<a href="trogdjangup.html">Troggle: updating Django</a> - Upgrading troggle to use a later Django version<br>
</ul>

and you will also also have merely skimmed as irrelevant or trivial:
<ul>
<li><a href="serverconfig.html">Troggle server configuration</a> - troggle running on a new machine<br>
<li><a href="scriptsother.html">Other scripts</a>
<li><a href="scriptscurrent.html">Additional Scripts</a> - more detail<br>
<li><a href="../computing/repos.html">Version control</a> - why we have repos<br>
</ul>

<p>You want to dive into the real stuff and add missing fields to the core data model:
<ul>
<li><a href="datamodel.html">Troggle - Data Model</a> - syntax-coloured list of classes, instance variables and foreign keys<br>
</ul>
<p>We admire your drive and enthusiasm. We were like you once.

<p>First, you need to get the "expoadmin" password from a nerd. Then you will be able to dive into the online 
admin system where you can explore and poke the live system and 
database using the <a href="/admin/">system admin control panel</a>. 
This has a data structure browser for the classes and fields of the system as 
live and in-use: all the foreign keys and relationship cardinalities. 
(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.)

<p>And, you may be surprised to discover, we have given a lot of thought into how to make it easier for you 
to <a href="../computing/contribute.html#programming">get involved in the programming</a> while not screwing up this multi-decade software project.

<h3>Perhaps an external add-on?</h3>
<p>Perhaps you can program something external to troggle, in JavaScript say, using troggle data?
<ul>
<li><a href="exportjson.html">JSON export</a> - how to extract cave and expo data in JSON format.
<li><a href="exporttgz.html">Compressed data export</a> - how to extract cave and expo data in gzip/tar format.
</ul>

<h3>Creating your own system development machine</h3>
<p>It's a simple sequence:
<ol>
<li>Use the online forms and reports. 
<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>
<li>Use the online forms and reports together with 'survex' and 'therion' installed on your own laptop.
<li>Get the 'expoadmin' password and explore the live system online: watch the data change in real time
<li>Configure <a href="../computing/keyexchange.html">an ssh key</a> and <a href="../computing/fzconfig.html">Filezilla</a> or scp/sFTP.
<li>Configure  a <a href="../computing/basiclaptop.html">basic expo laptop</a>
<li>Configure a <a href="../computing/yourlaptop.html">more cave software on your laptop</a>
<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>.
</ol>

<h3>Fixing broken URL dispatch</h3>
<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.

<h3>Fixing a broken HTML template</h3>


<h3>Running databaseReset</h3>
<ul>
<li><a href="trogimport.html">Troggle - Data Import</a> - reset and import data<br>
</ul>
<h3>Running the test suite</h3>
<ul>
<li><a href="unittests.html">Troggle - Page tests and unit tests</a> <br>
</ul>

<h3>This manual is very incomplete - notes</h3>
<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.]
<p>Only a small part of troggle's original plan was fully implemented and deployed. 
Many of the things it was intended to replace are still operating as a motley collection written by many different people in
several languages (but mostly perl and python; we won't talk about the person who likes to use OCamL).

<hr />
<h3><a id="arch">Archived updates</a></h3>
<p>Since 2008 we have been keeping detailed records of all data management system updates in the version control system. 
Before then we manually maintained <a href="../computing/update.html">a list of updates</a> which are now only of historical interest.
<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.
	<hr />
	Go on to: <a href="trogarch.html">Troggle architecture</a><br />

    Return to: <a href="trogintro.html">Troggle intro</a><br />
Troggle index: 
<a href="trogindex.html">Index of all troggle documents</a><br />

	<hr />
	</body>
</html>
fix and moving a few pages into the handbook snf fixing internal links. Soft links probably not working when created with Windows. Will fix later. 2019-12-23 16:29:50 +00:00			`<!DOCTYPE html>`
Adding a page of consolidated troggle notes and hopes 2019-02-25 20:54:07 +00:00			`<html>`
			`<head>`
fix and moving a few pages into the handbook snf fixing internal links. Soft links probably not working when created with Windows. Will fix later. 2019-12-23 16:29:50 +00:00			`<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />`
Restructuring troggle notes and creation of troggle documentation directory in the handbook 2020-04-02 14:25:58 +01:00			`<title>Handbook Troggle NOTES</title>`
moved files to handbook, fixing out-links 2019-12-30 01:23:56 +00:00			`<link rel="stylesheet" type="text/css" href="../../css/main2.css" />`
Adding a page of consolidated troggle notes and hopes 2019-02-25 20:54:07 +00:00			`</head>`
grey banner and lots of to-do fixes, to do items all updated from scribbled notes on printout 2020-04-22 19:37:10 +01:00			`<body><style>body { background: #fff url(/images/style/bg-system.png) repeat-x 0 0 }</style>`
Adding a page of consolidated troggle notes and hopes 2019-02-25 20:54:07 +00:00			`<h2 id="tophead">CUCC Expedition Handbook</h2>`
Troggle programmers guide - beginnings 2021-04-29 17:52:28 +01:00			`<h1>Troggle - programmers' guide</h1>`
Tidying and extending troggle documentation 2020-07-10 02:51:53 +01:00			`<img border="1" class="onright" width="150px" src='tricky-troggle.jpg' alt='git logo'/></a>`
Troggle programmers guide - beginnings 2021-04-29 17:52:28 +01:00
			`<h2>Programming Guide</h2>`
			`<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.`
			`<h3>you will already have tried all these..</h3>`
More links to historical stuff and troggle docm to do list 2019-02-26 18:19:16 +00:00			`<ul>`
Troggle programmers guide - beginnings 2021-04-29 17:52:28 +01:00			`<li><a href="../computing/manual.html">the <em>Data</em> Maintenance</a> manual.`
			`<li><a href="trogmanual.html">Troggle - Maintenance</a> - list of maintenance tasks<br>`
			`<li><a href="trogarch.html">Troggle - Architecture</a> - diagrams, files, structure<br>`
More links to historical stuff and troggle docm to do list 2019-02-26 18:19:16 +00:00			`</ul>`

Troggle programmers guide - beginnings 2021-04-29 17:52:28 +01:00			`<p>and you will have dismissed them as too trivial for your needs. You will have skipped over all that nasty confusing Django stuff:`
			`<ul>`
			`<a href="trogdjango.html">Troggle and Django</a> - The Django web framework we use<br>`
			`<a href="trogdjangup.html">Troggle: updating Django</a> - Upgrading troggle to use a later Django version<br>`
			`</ul>`
More links to historical stuff and troggle docm to do list 2019-02-26 18:19:16 +00:00
Troggle programmers guide - beginnings 2021-04-29 17:52:28 +01:00			`and you will also also have merely skimmed as irrelevant or trivial:`
			`<ul>`
			`<li><a href="serverconfig.html">Troggle server configuration</a> - troggle running on a new machine<br>`
			`<li><a href="scriptsother.html">Other scripts</a>`
			`<li><a href="scriptscurrent.html">Additional Scripts</a> - more detail<br>`
			`<li><a href="../computing/repos.html">Version control</a> - why we have repos<br>`
			`</ul>`

			`<p>You want to dive into the real stuff and add missing fields to the core data model:`
			`<ul>`
			`<li><a href="datamodel.html">Troggle - Data Model</a> - syntax-coloured list of classes, instance variables and foreign keys<br>`
			`</ul>`
			`<p>We admire your drive and enthusiasm. We were like you once.`

			`<p>First, you need to get the "expoadmin" password from a nerd. Then you will be able to dive into the online`
			`admin system where you can explore and poke the live system and`
			`database using the <a href="/admin/">system admin control panel</a>.`
			`This has a data structure browser for the classes and fields of the system as`
			`live and in-use: all the foreign keys and relationship cardinalities.`
			`(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.)`

			`<p>And, you may be surprised to discover, we have given a lot of thought into how to make it easier for you`
			`to <a href="../computing/contribute.html#programming">get involved in the programming</a> while not screwing up this multi-decade software project.`

			`<h3>Perhaps an external add-on?</h3>`
			`<p>Perhaps you can program something external to troggle, in JavaScript say, using troggle data?`
			`<ul>`
			`<li><a href="exportjson.html">JSON export</a> - how to extract cave and expo data in JSON format.`
			`<li><a href="exporttgz.html">Compressed data export</a> - how to extract cave and expo data in gzip/tar format.`
			`</ul>`

			`<h3>Creating your own system development machine</h3>`
			`<p>It's a simple sequence:`
adding missing link to troggle-ish 2019-02-25 20:59:50 +00:00			`<ol>`
Troggle programmers guide - beginnings 2021-04-29 17:52:28 +01:00			`<li>Use the online forms and reports.`
			`<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>`
			`<li>Use the online forms and reports together with 'survex' and 'therion' installed on your own laptop.`
			`<li>Get the 'expoadmin' password and explore the live system online: watch the data change in real time`
			`<li>Configure <a href="../computing/keyexchange.html">an ssh key</a> and <a href="../computing/fzconfig.html">Filezilla</a> or scp/sFTP.`
fixing mismatches in laptop setup docm 2021-10-22 21:43:02 +01:00			`<li>Configure a <a href="../computing/basiclaptop.html">basic expo laptop</a>`
			`<li>Configure a <a href="../computing/yourlaptop.html">more cave software on your laptop</a>`
New troggle development laptop config page 2021-10-22 14:18:09 +01:00			`<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>.`
Troggle programmers guide - beginnings 2021-04-29 17:52:28 +01:00			`</ol>`
Adding a page of consolidated troggle notes and hopes 2019-02-25 20:54:07 +00:00
Troggle programmers guide - beginnings 2021-04-29 17:52:28 +01:00			`<h3>Fixing broken URL dispatch</h3>`
			`<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.`
Restructuring troggle notes and creation of troggle documentation directory in the handbook 2020-04-02 14:25:58 +01:00
Troggle programmers guide - beginnings 2021-04-29 17:52:28 +01:00			`<h3>Fixing a broken HTML template</h3>`
Restructuring troggle notes and creation of troggle documentation directory in the handbook 2020-04-02 14:25:58 +01:00
Troggle programmers guide - beginnings 2021-04-29 17:52:28 +01:00
			`<h3>Running databaseReset</h3>`
			`<ul>`
			`<li><a href="trogimport.html">Troggle - Data Import</a> - reset and import data<br>`
			`</ul>`
			`<h3>Running the test suite</h3>`
			`<ul>`
			`<li><a href="unittests.html">Troggle - Page tests and unit tests</a> <br>`
			`</ul>`

			`<h3>This manual is very incomplete - notes</h3>`
			`<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.]`
Restructuring troggle notes and creation of troggle documentation directory in the handbook 2020-04-02 14:25:58 +01:00			`<p>Only a small part of troggle's original plan was fully implemented and deployed.`
			`Many of the things it was intended to replace are still operating as a motley collection written by many different people in`
			`several languages (but mostly perl and python; we won't talk about the person who likes to use OCamL).`
Adding a page of consolidated troggle notes and hopes 2019-02-25 20:54:07 +00:00
			`<hr />`
enlarging future troggle notes 2020-05-11 00:56:04 +01:00			`<h3><a id="arch">Archived updates</a></h3>`
			`<p>Since 2008 we have been keeping detailed records of all data management system updates in the version control system.`
			`Before then we manually maintained <a href="../computing/update.html">a list of updates</a> which are now only of historical interest.`
Sorting out troggle design docum. 2020-06-04 02:12:54 +01:00			`<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.`
new troggle discussions 2020-05-12 15:53:37 +01:00			`<hr />`
			`Go on to: <a href="trogarch.html">Troggle architecture</a><br />`
New index to all troggle pages 2020-07-27 01:42:09 +01:00
			`Return to: <a href="trogintro.html">Troggle intro</a><br />`
			`Troggle index:`
			`<a href="trogindex.html">Index of all troggle documents</a><br />`

new troggle discussions 2020-05-12 15:53:37 +01:00			`<hr />`
			`</body>`
Adding a page of consolidated troggle notes and hopes 2019-02-25 20:54:07 +00:00			`</html>`