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scieloorg / scielobooks

http://books.scielo.org
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===================================== How to install a SciELOBooks instance

Install pre-requisites

Before installing the SciELO-Books application, install the software listed below.


Server software

 +-------------------------------------+-----------------------------------+-------------------------+--------------------------+
 |**software**                         |**product URL**                    |**installation method**  |**Ubuntu Package name**   |
 +=====================================+===================================+=========================+==========================+
 | Python 2.7                          | http://www.python.org/            | OS package manager      | python2.7                |
 +-------------------------------------+-----------------------------------+-------------------------+--------------------------+
 | python2.x-dev                       | http://www.python.org/            | OS package manager      | python2.7-dev            |
 +-------------------------------------+-----------------------------------+-------------------------+--------------------------+
 | GNU compiler and tools              | http://www.python.org/            | OS package manager      | build-essential          |
 +-------------------------------------+-----------------------------------+-------------------------+--------------------------+
 | Apache HTTP server 2.2              | http://httpd.apache.org/          | OS package manager      | apache2                  |
 +-------------------------------------+-----------------------------------+-------------------------+--------------------------+
 | mod_wsgi - Python adapter(optional) | http://code.google.com/p/modwsgi/ | OS package manager      | libapache2-mod-wsgi      |
 +-------------------------------------+-----------------------------------+-------------------------+--------------------------+
 | CouchDB 1.0                         | http://couchdb.apache.org/        | OS package manager      | couchdb                  |
 +-------------------------------------+-----------------------------------+-------------------------+--------------------------+
 | PostgreSQL                          | http://www.postgresql.org/        | OS package manager      | postgresql               |
 +-------------------------------------+-----------------------------------+-------------------------+--------------------------+
 | GIT                                 | http://git-scm.com/               | OS package manager      | git-core                 |
 +-------------------------------------+-----------------------------------+-------------------------+--------------------------+

1. Install each package below using the recommended installation method above.

Note: Python comes pre-installed in most Linux distributions. If Python 2.7 is already installed, there is no need to install a newer version.

Note2: on Ubuntu 10.04 (Lucid) build-essential includes: dpkg-dev, g++, libc6-dev and make

System-wide Python libraries

+-------------------+-------------------------------------------+------------------------------------------------------------------+ |software |product URL |installation method | +===================+===========================================+==================================================================+ | distribute 0.6.10 | http://pypi.python.org/pypi/distribute | sudo python distribute_setup.py | +-------------------+-------------------------------------------+------------------------------------------------------------------+ | pip | http://pypi.python.org/pypi/pip | sudo easy_install pip | +-------------------+-------------------------------------------+------------------------------------------------------------------+ | virtualenv | http://pypi.python.org/pypi/virtualenv | sudo pip virtualenv | +-------------------+-------------------------------------------+------------------------------------------------------------------+ | python gfx module | http://www.swftools.org/gfx_tutorial.html | installation instruction topic 1.1 Compiling gfx and installing | +-------------------+-------------------------------------------+------------------------------------------------------------------+

  1. Download the distribute_setup.py script and use the installed Python interperter to run it as root (this provides the easy_install utility)::

    wget http://python-distribute.org/distribute_setup.py

    python distribute_setup.py

  2. Use easy_install to download and install virtuaenv::

    pip install virtualenv

Configure the database

  1. Create a scielobooks_1a database. The user name and password will not be configured at this time.

Log in to the Futon's web interface::

http://localhost:5984/_utils/

Install the application environment

Note: all of the remainig steps can be performed by a regular user without root access.

  1. Use virtualenv to create an application environment and activate it::

    $ virtualenv --distribute --no-site-packages -p python2.7 scielobooks-env $ source scielobooks-env/bin/activate (scielobooks-env)$ # note that the shell prompt displays the active virtual environment

Install the scielobooks application

  1. Go to a suitable installation directory and check out the application source::

    Development(Recommended): Read-only: (scielobooks-env)$ git clone git://github.com/scieloorg/scielobooks.git Read+write: (scielobooks-env)$ git clone git@github.com:scieloorg/scielobooks.git

  2. With the scielobooks-env environment active, use pip to automagically download and install all the dependencies::

    (scielobooks-env)$ pip install -r requirements.txt

  3. Run automated tests (NOT WORKING)::

    (scielobooks-env)$ python setup.py test -q

Running the application

Paster


The Pyramid web framework already comes with Paster. So, in order to run it you simply need to:

1. Create a paster .ini configuration file::

    Development:
    $ cp development-TEMPLATE.ini development.ini

    Production:
    $ cp production-TEMPLATE.ini production.ini

Note: The application comes with 2 base templates, for development and for production environments.

See http://pythonpaste.org/script/#configuration for more information about PasteScript.

2. Run::

    $ paster serve production.ini --daemon

Apache with mod_wsgi
  1. Create and configure a paster .ini configuration file. Note: The application comes with 2 base templates, for development and for production environments.

Development::

$ cp development-TEMPLATE.ini development.ini

Production::

$ cp production-TEMPLATE.ini production.ini

See http://pythonpaste.org/script/#configuration for more information about PasteScript.

  1. Create and configure a .wsgi configuration file. Note: The application comes with a directory named apache, containing templates for deployments using Apache with mod_wsgi

Development::

$ cp apache/app/devel-TEMPLATE.wsgi apache/app/devel.wsgi

Production::

$ cp apache/app/production-TEMPLATE.wsgi apache/app/production.wsgi

Note: The .wsgi configuration file must be configured to point to the previously created .ini file, to match the application's entry point.

  1. Configure the Apache WebServer Note: The application comes with 2 virtual hosts base templates. You can simply create a symlink to the apache's available sites.

Development::

$ cp apache/httpd-devel-TEMPLATE.conf apache/httpd-devel.conf

Production::

$ cp apache/httpd-TEMPLATE.conf apache/httpd.conf

See http://docs.pylonsproject.org/projects/pyramid/1.0/tutorials/modwsgi/index.html for more information about deploying a Pyramid app using mod_wsgi.

WordPress Integration

In order to both applications, the main site (Wordpress) and the details site (Python), coexist transparently, we need to add some rules in the webserver.

Basically, the catalog package must be accessible from the Wordpress domain, i.e. http://books.scielo.org/id/w2 must resolve to http://admin.books.scielo.org/id/w2. The latter should not be accessible for users.

Rules to reverse proxy some requests::

# wordpress app virtualhost
<Proxy *>
    Allow from all
</Proxy>

ProxyPassMatch ^/id/(.*)$ http://admin.books.scielo.org/id/$1
ProxyPassMatch ^/static/(.*)$ http://admin.books.scielo.org/static/$1
ProxyPassMatch ^/deform_static/(.*)$ http://admin.books.scielo.org/deform_static/$1
ProxyPassMatch ^/setlang/$ http://admin.books.scielo.org/

Troubleshooting

The application is updated but seems like the cache is not (even after the apache+mod_wsgi have been restarted)


mod_wsgi has an aggressive cache system. to refresh it, you have to update the date of the .wsgi configuration file and restart apache::

    $ touch apache/app/production.wsgi