mirror of
https://expo.survex.com/repositories/troggle/.git
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305 lines
10 KiB
Plaintext
305 lines
10 KiB
Plaintext
Troggle is an application for caving expedition data management,
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originally created for use on Cambridge University Caving Club (CUCC)expeditions
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and licensed under the GNU Lesser General Public License.
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Troggle has been forked into two projects. The original one is maintained by Aron Curtis
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and is used for Erebus caves. The CUCC variant uses files as the definitive data,
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not the database and lives at http://expo.survex.com/repositories/troggle/.git/
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Troggle setup
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=============
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1. git clone troggle into correct directory structure
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2. install pip, django & patch django
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3. configure django to recognise troggle
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Setting up directories
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----------------------
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- create a directory in which you also have the loser/, expoweb/ and drawings/ repositories
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- git clone (see below) the current latest troggle from the 'python3' git branch into
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a folder called 'troggle'
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- all the 4 repos should now be siblings, and also siblings with expofiles/
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- if you have those repos elsewhere, set up symlinks in the directory above troggle
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so that troggle thinks they are siblings
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Troggle itself
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-------------
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Choose the directory where you will keep troggle, (which must be named "troggle")
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and git clone troggle into it using the following command:
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git clone git://expo.survex.com/troggle
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or more reliably
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git clone ssh://expo@expo.survex.com/home/expo/troggle
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but you will have to set up the ssh key-exchange with the server to make that work.
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Key-exchange instructions: http://expo.survex.com/handbook/computing/keyexchange.html
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If you want to work on the source code and be able to commit, your account will need to be
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added to the troggle project members list. Contact wookey at wookware dot org to get this set up.
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Next, you need to fill in your local settings. Copy localsettingsWSL.py
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to a new file called localsettings.py and edit it and settings.py to match
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your machine's file locations.
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Follow the instructions contained in the file to fill out your settings.
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{ *TO BE FIXED*
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The localsettings-expo-live.py is the python2.7 settings for the server.
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These are all very out of date and need fixing:
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localsettingsubuntu.py
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localsettingsdocker.py
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localsettingswindows.py
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localsettingspotatohut.py
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}
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Python3, Django, and Database setup
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-----------------------------------
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Troggle with python3 requires Django 1.8.19 (16 June 2019)
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For Django 1.19 see below.
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Read this: https://docs.djangoproject.com/en/3.0/topics/install/
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We are installing with python3.7.7 or 3.8.1
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[ If you want to use python2.7 you presumably can work it out for yourself.
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You should look at past revisions of this file in git to see what is required.
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Also : https://linuxize.com/post/how-to-install-pip-on-ubuntu-20.04/ ]
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Install Django using pip, not with apt.
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Your Linux installation almost certainly already includes python3 and pip3 but
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in case it doesn't install those like this:
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$ sudo apt update
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$ sudo apt dist-upgrade
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$ sudo apt install python3
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$ sudo apt install python3-pip
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Now install django etc.
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$ sudo pip3 install -r requirements.txt
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where requirementsworks1.8.19.txt is:
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Django==1.8.19
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django-extensions==2.2.9
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django-registration==2.0
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Pillow==7.1.2
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six==1.15.0
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sqlparse==0.3.1
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Unidecode==1.1.1
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if you don't use sudo it will install them all in ~/.local/
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and so will only be available for you, not everyone; and
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the paths won't work to find troggle properly.
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six and Unidecode handle some of the python2-3 conversions
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and Pillow is an image handling package used to make
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the prospecting map. tinymce is the wysiwyg in-browser
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editor.
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$ pip3 list -o
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will list all the pip python packages installed.
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[NB we should test whether later verisons of tinymce work.]
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venv option
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-----------
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Or use a python3 virtual environment: (python3.5 not later)
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$ cd troggle
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$ cd ..
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$ python3.5 -m venv pyth35d2
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(creates folder with virtual env)
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$ cd pyth35d2
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$ source bin/activate
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(now install everything )
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$ pip install -r requirements.txt
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This works if you need a specific version of python3
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but doesn't really work with python2.7 as you also need to obtain
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an elderly version of pip that will work and use and older virtual
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environment utility
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Patching the django installation
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--------------------------------
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Since django 1.10 is out of update-support, and since python3 has progressed against
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the 2015 version that django is expecting, you need to patch the django
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installation after installing. In the troggle folder you will find
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django-patch/html_parser.py
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copy this over the installed version of django on your machine:
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$ cd troggle
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$ sudo cp django-patch/html_parser.py /usr/local/lib/python3.7/dist-packages/django/utils/
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or
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$ cp django-patch/html_parser.py ~/.local/lib/python3.7/site-packages/django/utils/
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if you didn't use sudo when installing everything using pip.
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or if you are using a venv, then
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$ cd <venv directory>/troggle
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$ cp django-patch/html_parser.py lib/python3.7/site-packages/django/utils/html_parser.py
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that's it.
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Testing the django installation
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-------------------------------
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Test things by running these commands:
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$ django-admin --version
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$ django-admin
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It should show a list of commands and complain:
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"..only Django core commands are listed as settings are not properly configured"
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If you get an error when running
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$ django-admin
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Then run django-admin like this:
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python /usr/local/lib/python3.8/dist-packages/django/bin/django-admin.py
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which should fix the paths. From now on you should be able to run
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$ django-admin
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from within any folder on your machine.
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Now do
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$ cd troggle
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$ python manage.py
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You should see the same list of commands that you saw with django-admin but wth
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a lot of extra ones and no complaints. This means it is reading at least some of your
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settings correctly.
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If you get an error your python sys.path is probably not set correctly yet. Do
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$ python -m site
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when you are in your troggle directory to see the list of paths python looks
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for when it is searching for packages (both django and troggle).
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Ensure that the path to the troggle/ directory is in the list.
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It should be at the top, which is where the current working directory is.
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Now:
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python manage.py check -v 3 --deploy
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which will give security warnings for deployment.
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python manage.py check -Wall
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Gives warnings of deprecated Django which should be fixed asap.
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Registering troggle as a django application
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-------------------------------------------
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In your troggle directory run
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$ django-admin
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and check you got the same output as before.
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Then try
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$ python manage.py
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It may not work. But if it does it will
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now show a superset of the previous output: the [django] commands
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available but also other options. Run
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$ python manage.py check
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$ python manage.py diffsettings
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This last one shows everything set in global settings, settings and localsettings.
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Anything different from global settings (django built-in) has '###' appended.
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$ python manage.py test -v 2
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Tests that it can create a database from all the model files.
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$ python manage.py migrate
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Tests the uptodateness of your sqlite database.
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$ python manage.py help migrate
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explains what this does and gives extra command line options.
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If you got an error traceback with
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$ python manage.py
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then the settings registration of troggle with django is incomplete.
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Delete all your cached .pyc files and try again.
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You probably have a mistake in your settings.py or localsettings.py files.
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CSS and media files
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-------------------
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Temporarily we are not using the STATICFILES capability but are instead
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serving css files from troggle/media/.. (see urls.py) using
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view_surveys.cssfilessingle
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i.e.
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cssfilessingle() in core/view_surveys.py
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Setting up survex
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-----------------
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You need to have survex installed as the command line tools 'cavern' and '3dtopos' are
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used as part of the survex import process.
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$ sudo apt install survex
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Setting up tables and importing survey data
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-------------------------------------------
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Run
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$ sudo python databaseReset.py
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from the troggle directory will give you instructions.
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[ NB Adding a new year/expedition requires adding a column to the
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folk/folk.csv table - a year doesn't exist until that is done.]
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Database
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--------
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If you want to use MySQL or Postgresql, download and install them.
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However, you can also use Django with sqlite3, which is included in Python and thus requires no extra installation.
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MariaDB database
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----------------
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Start it up with
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$ sudo mysql -u -p
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when it will prompt you to type in the password. Get this by reading the settings.py file in use on the server.
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then
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> CREATE DATABASE troggle;
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> use troggle;
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> exit;
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Note the semicolons.
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You can check the status of the db service:
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$ sudo systemctl status mysql
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You can start and stop the db service with
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$ sudo systemctl restart mysql.service
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$ sudo systemctl stop mysql.service
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$ sudo systemctl start mysql.service
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Running a Troggle server
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------------------------
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For high volume use, Troggle should be run using a web server like apache.
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However, a quick way to get started is to use the development server built into Django.
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This is limited though: directory redirection needs apache.
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To do this, run
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$ python manage.py runserver 8000 -v 3
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from the troggle directory. This runs it on port 8000 so you see the website
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at http://localhost:8000/
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Running a Troggle server with Apache
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------------------------------------
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Troggle also needs these aliases to be configured. These are set in
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/home/expo/config/apache/expo.conf
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on the expo server.
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At least these need setting:
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DocumentRoot /home/expo/expoweb
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WSGIScriptAlias / /home/expo/troggle/wsgi.py
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<Directory /home/expo/troggle>
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<Files wsgi.py>
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Require all granted
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</Files>
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</Directory>
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Alias /expofiles /home/expo/expofiles
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Alias /photos /home/expo/webphotos
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Alias /map /home/expo/expoweb/map
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Alias /javascript /usr/share/javascript
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Alias /static/ /home/expo/static/
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ScriptAlias /repositories /home/expo/config/apache/services/hgweb/hgweb.cgi
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(The last is just for mercurial which will be remoived during 2020).
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These two are not necessary as Django will serve these (see urls.py), but
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it may be very slightly faster for apache to serve them first:
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Alias /expofiles /home/expo/expofiles
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Alias /static/ /home/expo/static/
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Unlike the "runserver" method, apache requires a restart before it will use
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any changed files:
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apache2ctl stop
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apache2ctl start
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Experimental additions
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----------------------
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These are modern tools which help us document how troggle works.
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pip install pygraphviz
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pip install pyparsing pydot # installs fine
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django extension graph_models # https://django-extensions.readthedocs.io/en/latest/graph_models.html |