Session 07 finished

PythonCHB · PythonCHB · commit f0abdb82c86f · 2014-11-18T16:40:48.000-08:00
diff --git a/lightning_schedule.txt b/lightning_schedule.txt
@@ -19,14 +19,14 @@ week 6:  Alexander R Galvin
 week 6:  Gideon I Sylvan
 week 6:  Hui Zhang
 week 7:  Andrew P Klock
-week 7:  Danielle G Marcos
+week 7:  Danielle G Marcos ** still needs to do it **
 week 7:  Ousmane Conde
 week 7:  Salim Hassan Hamed
 week 8:  Alireza Hashemloo
 week 8:  Arielle R Simmons
 week 8:  Eric W Westman
 week 8:  Ryan J Albright
-week 9:  Alexandra N Kazakova
+week 9:  Alexandra N Kazakova ** needs to be re-sheduled **
 week 9:  Erik Ivan Lottsfeldt
 week 9:  Louis John Ascoli
 week 9:  Ralph P Brand
diff --git a/slides_sources/source/homework/circle_class.rst b/slides_sources/source/homework/circle_class.rst
@@ -106,7 +106,7 @@ Add an ``area`` property so the user can get the area of the circle:
     >> print c.area
     12.566370
 
-NOTE: ``pi`` can be found in the math module
+(``pi`` can be found in the math module)
 
 The user should not be able to set the area:
 
@@ -135,7 +135,7 @@ Step 6:
 
 Add __str__ and __repr__ methods to your Circle class.
 
-Now you cant print it:
+Now you can print it:
 
 .. code-block:: ipython
 
@@ -157,7 +157,7 @@ Step 7:
 
 Add some of the numeric protocol to your Circle:
 
-you should be able to add two circles:
+You should be able to add two circles:
 
 .. code-block:: ipython
 
@@ -175,9 +175,16 @@ and multiply one times a number:
     In [16]: c2 * 3
     Out[16]: Circle(12)
 
-and compare them:
+(what happens with ``3 * c2`` ? -- can you fix that?)
+
+.. nextslide::
+
+Step 8:
+--------
+add the ability to compare two circles:
 
 .. code-block:: ipython
+
     In [10]: c1 > c2
     Out[10]: False
 
@@ -192,3 +199,44 @@ and compare them:
     In [14]: c2 == c3
     Out[14]: True
 
+.. nextslide::
+
+Once the comparing is done,  you should be able to sort a list of circles:
+
+.. code-block:: ipython
+
+    In [18]: print circles
+    [Circle(6), Circle(7), Circle(8), Circle(4), Circle(0), Circle(2), Circle(3), Circle(5), Circle(9), Circle(1)]
+
+    In [19]: circl
+    circle      circle.py   circle.pyc  circles
+
+    In [19]: circles.sort()
+
+    In [20]: print circles
+    [Circle(0), Circle(1), Circle(2), Circle(3), Circle(4), Circle(5), Circle(6), Circle(7), Circle(8), Circle(9)]
+
+**NOTE:** make sure to write unit tests for all of this! Ideally before writing the code.
+
+Step 8: Optional Features:
+--------------------------
+
+* See if you can make "reflected" numerics do the right thing:
+
+.. code-block:: python
+
+    a_circle * 3 == 3 * a_circle
+
+* What else makes sense: division?  others?
+
+* Add the "augmented assignment" operators, where they make sense:
+
+.. code-block:: python
+
+  a_circle += another_circle
+
+  a_circle *= 2
+
+* look through all the "magic methods" and see what makes sense for circles
+
+
diff --git a/slides_sources/source/session07.rst b/slides_sources/source/session07.rst
@@ -2,16 +2,21 @@
 .. Foundations 2: Python slides file, created by
    hieroglyph-quickstart on Wed Apr  2 18:42:06 2014.
 
-*******************************************************
-Session Seven: More OO --  Properties, special methods.
-*******************************************************
+***********************
+Session Seven: More OO
+***********************
 
-.. rst-class:: large centered
+.. rst-class:: medium centered
 
-| Multiple Inheritance,
-| Properties,
-| classmethods and staticmethods,
-| Special (Magic) Methods
+.. container::
+
+  Multiple Inheritance
+
+  Properties
+
+  Class methods and  static methods
+
+  Special (Magic) Methods
 
 ================
 Review/Questions
@@ -67,25 +72,13 @@ Lightning Talks Today:
 
 .. rst-class:: medium
 
-Andrew P Klock
+  Andrew P Klock
 
-Vinay Gupta
-
-Ousmane Conde
-
-Salim Hassan Hamed
-
-
-Lightning Talks
-----------------
+  Vinay Gupta
 
-.. rst-class:: medium
+  Ousmane Conde
 
-|
-| Ousmane Conde
-|
-| Salim Hassan Hamed
-|
+  Salim Hassan Hamed
 
 
 ===================
@@ -100,7 +93,7 @@ More on Subclassing
 
     http://pyvideo.org/video/879/the-art-of-subclassing
 
-    If you haven't watched,  It's well worth your time
+    If you haven't watched it,  It's well worth your time
 
 
 What's a Subclass For?
@@ -161,7 +154,7 @@ So why would you want to do this? One reason:  *mixins*
 
 Provides an subset of expected functionality in a re-usable package.
 
-Why would you want to do this?
+Huh? this is why --
 
 Hierarchies are not always simple:
 
@@ -229,8 +222,9 @@ Caution: There are some subtle differences with multiple inheritance.
 
 You can use explicit calling to ensure that the 'right' method is called.
 
+.. rst-class:: medium
 
-.. nextslide:: Background
+    **Background**
 
 Two seminal articles about ``super()``:
 
@@ -422,7 +416,7 @@ Lightning Talks
 Static and Class Methods
 ========================
 
-    .. rst-class:: left build
+.. rst-class:: left build
 .. container::
 
     You've seen how methods of a class are *bound* to an instance when it is
@@ -461,7 +455,6 @@ A *static method* is a method that doesn't get self:
 [demo: :download:`static_method.py <../../Examples/Session07/static_method.py>`]
 
 
-
 .. nextslide:: Why?
 
 .. rst-class:: build
@@ -725,8 +718,26 @@ There's more to read about the details of implementing these methods:
 * https://docs.python.org/2/reference/datamodel.html#special-method-names
 * http://www.rafekettler.com/magicmethods.html
 
-Be a bit cautious about the code examples in that last one. It uses quite a bit
-of old-style class definitions, which should not be emulated.
+
+Lightning Talks
+----------------
+
+.. rst-class:: medium
+
+|
+| Ousmane Conde
+|
+| Salim Hassan Hamed
+|
+
+LAB
+----
+
+Let's complete our nifty Circle class:
+
+Steps 5-8 of:
+
+:ref:`homework_circle_class`
 
 
 ========
@@ -735,4 +746,6 @@ Homework
 
 Complete the Circle class
 
-Decide what you are going to do for your proejct,
+Decide what you are going to do for your proejct, and send me a simple proposal.
+
+
