sábado, 16 de agosto de 2014

How to install Django and its virtual-env




1.

#sudo apt-get install python-setuptools

2. Instal virtual environment

sudo easy_install virtualenv==1.10.1

(or a more recent version)

3. Create a virtual environment the name of mine is 'dd'

#virtualenv --no-site-packages dd

4. Activate the virtual enviroment, you have to do this everytime you want to start your server.

#source dd/bin/activate

5.

You will see now that at the left of your prompy the virtualenv is activated

(dd)#

7. Go to dd directory which is our root system for the created virtual env

# cd dd

6. It is time to install Django

#easyinstall Django


7. Once installed you can find some django scripts in bin directory:

(dd)alex@tic:~/dd$ pwd
/home/alex/dd
(dd)alex@tic:~/dd$ ls bin/
activate       activate_this.py  easy_install-2.7  python
activate.csh   django-admin.py   pip               python2
activate.fish  easy_install      pip-2.7           python2.7
(dd)alex@tic:~/dd$


8. You can see the djanho help and its options

(dd)alex@tic:~/dd$ django-admin.py 
Usage: django-admin.py subcommand [options] [args]

Options:
  -v VERBOSITY, --verbosity=VERBOSITY
                        Verbosity level; 0=minimal output, 1=normal output,
                        2=verbose output, 3=very verbose output
  --settings=SETTINGS   The Python path to a settings module, e.g.
                        "myproject.settings.main". If this isn't provided, the
                        DJANGO_SETTINGS_MODULE environment variable will be
                        used.
  --pythonpath=PYTHONPATH
                        A directory to add to the Python path, e.g.
                        "/home/djangoprojects/myproject".
  --traceback           Raise on exception
  --version             show program's version number and exit
  -h, --help            show this help message and exit

Type 'django-admin.py help <subcommand>' for help on a specific subcommand.

Available subcommands:

[django]
    check
    cleanup
    compilemessages
    createcachetable
    dbshell
    diffsettings
    dumpdata
    flush
    inspectdb
    loaddata
    makemessages
    runfcgi
    runserver
    shell
    sql
    sqlall
    sqlclear
    sqlcustom
    sqldropindexes
    sqlflush
    sqlindexes
    sqlinitialdata
    sqlsequencereset
    startapp
    startproject
    syncdb
    test
    testserver
    validate
(dd)alex@tic:~/dd$


9. Create a new Django project:

#(dd)alex@tic:~/dd$ django-admin.py startproject first_project
(dd)alex@tic:~/dd$ ls f*
first_project  manage.py
(dd)alex@tic:~/dd$

10. Go to yout new project directory and runserver:

(dd)alex@tic:~/dd$ cd first_project/
(dd)alex@tic:~/dd/first_project$ ls
first_project  manage.py
(dd)alex@tic:~/dd/first_project$ python manage.py runserver
Validating models...

0 errors found
August 17, 2014 - 01:00:09
Django version 1.6.5, using settings 'first_project.settings'
Starting development server at http://127.0.0.1:8000/
Quit the server with CONTROL-C.

11. Go to your web browser and type the address shown above:

http://127.0.0.1:8000/

You will see something like:

It worked!

Congratulations on your first Django-powered page.

Of course, you haven't actually done any work yet. Next, start your first app by running python manage.py startapp [appname].
You're seeing this message because you have DEBUG = True in your Django settings file and you haven't configured any URLs. Get to work!

12. Hit Ctrl+C to stop your server 

13. end your virtual environment session 
#deactivate and you will loose the (dd) environment from step 5


Enjoy!
.Alex

P.S. The first flags were used to assist military co-ordination on battlefields

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