QA/Execution/Web Testing/Automation/Virtual Environments: Difference between revisions

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     <li>Install the 32-bit version of SetupTools using the provided .exe installer:</li>
     <li>Install the 32-bit version of SetupTools using the provided .exe installer:</li>
     http://pypi.python.org/pypi/setuptools#files
     http://pypi.python.org/pypi/setuptools#files
    <li>Add the Scripts directory to your System Variables path:</li>
    C:\Python26\Scripts
     <li>Download the last pip version and uncompress it:</li>
     <li>Download the last pip version and uncompress it:</li>
     http://pypi.python.org/pypi/pip#downloads
     http://pypi.python.org/pypi/pip#downloads
     <li>In your cmd prompt, go to the uncompressed pip directory and run:</li>
     <li>In your cmd prompt, go to the uncompressed pip directory and run:</li>
     python setup.py install
     python setup.py install
    <li>Add the Scripts directory to your System Variables path:</li>
    C:\Python26\Scripts
     <li>Now you can use the command pip install package on Win.</li>
     <li>Now you can use the command pip install package on Win.</li>
</ol>
</ol>

Revision as of 22:01, 26 October 2012

Virtual environments are isolated Python environments. They allow freedom to install specific versions of dependencies without affecting the global site-packages. They also make it easy to throw away a 'broken' environment and start again. If you need further information regarding virtual environments, please see the virtualenvwrapper documentation.

Install virtualenvwrapper

  1. Install virtualenvwrapper:
    2. sudo pip install virtualenvwrapper
  2. Add the following to your ~/.bash_profile:
    3. export WORKON_HOME=$HOME/.virtualenvs source /usr/local/bin/virtualenvwrapper.sh

Create a virtual environment for WebQA

   mkvirtualenv webqa

Switch to the WebQA virtual environment

   workon webqa

Installation on Windows

Exception: use 32-bit version of the setuptools even if your operating system is 64-bit otherwise it fails to find the Python installation.

  1. Install the 32-bit version of SetupTools using the provided .exe installer:
    2. http://pypi.python.org/pypi/setuptools#files
  2. Add the Scripts directory to your System Variables path:
    3. C:\Python26\Scripts
  3. Download the last pip version and uncompress it:
    4. http://pypi.python.org/pypi/pip#downloads
  4. In your cmd prompt, go to the uncompressed pip directory and run:
    5. python setup.py install
  5. Now you can use the command pip install package on Win.

Virtualenvwrapper Installation and Usage

  1. From the cmd prompt install pip:
    2. pip install virtualenvwrapper-win
  2. Set your environment variable:
    3. WORKON_HOME = C:\Python27\Scripts:
  3. You can now create virtualenvs:
    4. mkvirtualenv <name of the environment>
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