Here’s how to install mwparserfromhell on Linux:

sudo apt-get install python-dev
sudo apt-get install python-pip
git clone https://github.com/earwig/mwparserfromhell.git
cd mwparserfromhell
python setup.py install

After which, wikitools by MrZ-man is nice for power-users:
svn co https://github.com/alexz-enwp/wikitools
cd wikitools/trunk
sudo python setup.py install