Merge pull request #268 from pierrepo/master

Add options for pip and a new cheatsheet for virtualenv

cheat/cheatsheets/pip

@@ -4,6 +4,12 @@ pip search SomePackage
 # Install some packages
 pip install SomePackage
 
+# Install some package in user space
+pip install --user SomePackage
+
+# Upgrade some package
+pip install --upgrade SomePackage
+
 # Output and install packages in a requirement file
 pip freeze > requirements.txt
 pip install -r requirements.txt

cheat/cheatsheets/virtualenv

@@ -0,0 +1,38 @@
+# Create new environment
+virtualenv /path/to/project/env_name
+
+# Create new environment and inherit already installed Python libraries
+virtualenv --system-site-package /path/to/project/env_name
+
+# Create new environment with a given Python interpreter
+virtualenv /path/to/project/env_name -p /usr/bin/python/3.4
+
+# Activate environnment
+source /path/to/project/env_name/bin/activate
+
+# Quit environment
+deactivate
+
+
+# virtualenvwrapper (wrapper for virtualenv)
+# installation
+pip install --user virtualenvwrapper
+# configuration
+# add in ~/.bashrc or similar
+export WORKON_HOME=~/.virtualenvs
+mkdir -p $WORKON_HOME
+source ~/.local/bin/virtualenvwrapper.sh
+
+# Create new environmment (with virtualenvwrapper)
+mkvirtualenv env_name
+# new environmment is stored in ~/.virtualenvs
+
+# Activate environmment (with virtualenvwrapper)
+workon env_name
+
+# Quit environmment (with virtualenvwrapper)
+deactivate
+
+# Delete environmment (with virtualenvwrapper)
+rmvirtualenv env_name
+