From 30a49d3596fba17e81e72f8995eec74506038352 Mon Sep 17 00:00:00 2001
From: Kai KANG <myfavouritekk@gmail.com>
Date: Thu, 28 May 2015 13:46:28 +0800
Subject: [PATCH 1/2] Add the cheat sheet for pip.

---
 cheat/cheatsheets/pip | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 cheat/cheatsheets/pip

diff --git a/cheat/cheatsheets/pip b/cheat/cheatsheets/pip
new file mode 100644
index 0000000..0894962
--- /dev/null
+++ b/cheat/cheatsheets/pip
@@ -0,0 +1,17 @@
+# Search for packages
+pip search SomePackage
+
+# Install some packages
+pip install SomePackage
+
+# Show details of a package
+pip show SomePackage
+
+# List outdated packages
+pip list --outdated
+
+# Upgrade all outdated packages, thanks to http://stackoverflow.com/a/3452888
+pip freeze --local | grep -v '^\-e' | cut -d = -f 1 | xargs -n1 pip install -U
+
+# Install specific version of a package
+pip install -I SomePackage1==1.1.0 'SomePackage2>=1.0.4'

From b2e1400bb68dd35a20eb1454e072e3bf0fc9bf86 Mon Sep 17 00:00:00 2001
From: Kai KANG <myfavouritekk@gmail.com>
Date: Tue, 2 Jun 2015 07:30:34 +0800
Subject: [PATCH 2/2] Update pip: dealing with requirement files

add `pip freeze > requirements.txt` and `pip install -r requirements.txt`.
---
 cheat/cheatsheets/pip | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cheat/cheatsheets/pip b/cheat/cheatsheets/pip
index 0894962..edc122c 100644
--- a/cheat/cheatsheets/pip
+++ b/cheat/cheatsheets/pip
@@ -4,6 +4,10 @@ pip search SomePackage
 # Install some packages
 pip install SomePackage
 
+# Output and install packages in a requirement file
+pip freeze > requirements.txt
+pip install -r requirements.txt
+
 # Show details of a package
 pip show SomePackage