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#Installing additional tools

##Introduction This section will provide explanations of how to install the various additional tools required for this series of tasks.

##PyQt4 Installing PyQt4 is pretty straight-forward. Please follow the appropriate instructions for your platform:

##Matplotlib Matplotlib is plotting library that will enable us to visualise graphs and charts.

###Install on Mac OS X Please ensure that you have installed Python and PyQt4 via the MacPorts method before attempting to install Matplotlib.

  1. Open the terminal application
  2. Type sudo port py33-matplotlib - you will be prompted for your password.
  3. Matplotlib should be installed

###Install on Windows To install on Windows ensure that you know whether your Windows machine is 32-bit or 64-bit and then download the latest stable version of Matplotlib for Python 3.3 from the Matplotlib downloads page.

##Numpy Numpy provides a library that is necessary to run Matplotlib. If you have installed Matplotlib using the above method then you have already installed Numpy.

##Network X Network X is a library that enables us to quickly create and use graphs.

###Install on Mac OS X These instructions assume that you have used MacPorts for the above installations.

  1. Download the source for network x (currently networkx-1.7.zip)
  2. Unzip this
  3. Open the terminal application
  4. type cd /Users/username/Downloads/networkx-1.7
    • ensure that you change username to your user name
    • this assumes that you downloaded and unzipped the file into the downloads folder
  5. type python3.3 setup.py build
  6. type sudo python3.3 setup.py install - you will be prompted for your password
  7. Network X should be installed

###Install on Windows These instructions assume that you have Python on your path.

  1. Download the source for network x (currently networkx-1.7.zip)
  2. Unzip this to your desktop
  3. Open the command prompt
  4. type cd Desktop
  5. type cd networkx-1.7
  6. type python setup.py build
  7. type python setup.py install
  8. Network X should be installed

##cx_Freeze cx_Freeze is a set of utilities designed to produce versions of your applications that can be distributed without the having to install Python first.

Please follow the instructions for your platform:

##Python Twitter Python twitter is a library that enables you to connect to the Twitter API via Python. In addition to installing the software you will also need a twitter developer account and have created an application from within your twitter developer account (see [Creating a twitter application]).

###Install on Mac OS X These instructions assume that you have used MacPorts for the above installations.

  1. Download the source python twitter as a zip file
  2. Unzip this
  3. Open the terminal application
  4. type cd /Users/username/Downloads/twitter-master
    • ensure that you change username to your user name
    • this assumes that you downloaded and unzipped the file into the downloads folder
  5. type python3.3 setup.py build
  6. type sudo python3.3 setup.py install - you will be prompted for your password
  7. Python Twitter should be installed

###Install on Windows These instructions assume that you have Python on your path.

  1. Download the source python twitter as a zip file
  2. Unzip this to the desktop
  3. Open the command prompt
  4. type cd Desktop
  5. type cd twitter-master
  6. type python setup.py build
  7. type python setup.py install - you will be prompted for your password
  8. Python Twitter should be installed

##Creating a twitter application In order to use Twitter from within Python you must have created an application from with the Twitter developer portal.

  1. Make sure you are signed into the Twitter developer portal
  2. Select 'My applications' from the menu
  3. Click on the button that says 'Create new application'
  4. Fill in the form
  5. From your list of applications make a note of the consumer key, consumer secret and the application name