Python on Windows

python_on_windows.md

#Python 2

1. Install Python 2.7

• To use pygame (mentioned below), install the 32-bit (x86, not x86-64) version of Python!
• Location C:\Python27
• Add C:\Python27\python.exe and C:\Python27\Scripts to PATH
• In the Start menu, rename the "IDLE" shortcut to "IDLE Python 2.7"

2. Install pip for package management (http://pip.readthedocs.org/en/latest/installing.html)

• Download get-pip.py and run python get-pip.py, where python is the command to run the Python 2.7 interpreter.
• If this works, C:\Python27\Scripts will contain pip.exe

3. Install virtualenv for environment management (http://virtualenv.readthedocs.org/en/latest/virtualenv.html#installation)

• pip install virtualenv where pip refers to C:\Python27\Scripts\pip.exe

4. Install virtualenvwrapper for Powershell: makes virtualenv usage more convenient (https://pypi.python.org/pypi/virtualenvwrapper-powershell/2.7.1)

• pip install virtualenvwrapper-powershell
• Add Import-Module virtualenvwrapper to PowerShell profile for all users
• See sample PowerShell profile below

5. Install other useful packages for education:

• pip install ipython
• Install pygame (download msi file from http://pygame.org/download.shtml)

#Python 3

1. Install Python 3.2

• To use pygame (mentioned below), install the 32-bit (x86, not x86-64) version of Python!
• Location C:\Python32
• Add C:\Python32\python.exe and C:\Python32\Scripts to PATH
• In the Start menu, rename the "IDLE" shortcut to "IDLE Python 3.2"

2. Install pip for package management (http://pip.readthedocs.org/en/latest/installing.html)

• Download get-pip.py and run python get-pip.py, where python is the command to run the Python 3.2 interpreter.
• If this works, C:\Python34\Scripts will contain pip.exe

3. Install other useful packages for education:

• pip install ipython
• Install pygame (Download msi file from http://pygame.org/download.shtml)

PowerShell

Sample Profile

Set-Alias python2 "C:\Python27\python.exe"
Set-Alias python3 "C:\Python32\python.exe"
Set-Alias pip3 "C:\Python32\Scripts\pip.exe"
Import-Module virtualenvwrapper

I have tried power shell for python27 but its not installing. Is it because my Windows7 has indentified as not a genuine. Do I need to install operating system again.