output.txt

$ python recipe21_report.py recipe21
===============================
== Processing module recipe21
===============================
Documentation for module recipe21
-------------------------------

This is documentation for the this entire recipe.
With it, we can demonstrate usage of the code.

>>> cart = ShoppingCart().add("tuna sandwich", 15.0)
>>> len(cart)
1
>>> cart.item(1)
'tuna sandwich'
>>> cart.price(1)
15.0
>>> print round(cart.total(9.25), 2)
16.39

-------------------------------
Documentation for Item.module Item - None
Documentation for Item.__init__() - None
Documentation for ShoppingCart.module ShoppingCart
-------------------------------

    This object is used to store the goods.
    It conveniently calculates total cost including
    tax.
    
-------------------------------
Documentation for ShoppingCart.__init__() - None
Documentation for ShoppingCart.__len__()
-------------------------------
Support len(cart) operation.
-------------------------------
Documentation for ShoppingCart.add()
-------------------------------
Add an item to the internal list.
-------------------------------
Documentation for ShoppingCart.item()
-------------------------------
Look up the item. The cart is a 1-based index.
-------------------------------
Documentation for ShoppingCart.price()
-------------------------------
Look up the price. The cart is a 1-based index.
-------------------------------
Documentation for ShoppingCart.total()
-------------------------------
Add up all costs, and then apply a sales tax.
-------------------------------
Running doctests for recipe21
-------------------------------
(ptc)gturnquist-mbp:03 gturnquist$ python recipe21_report.py recipe21 -v
===============================
== Processing module recipe21
===============================
Documentation for module recipe21
-------------------------------

This is documentation for the this entire recipe.
With it, we can demonstrate usage of the code.

>>> cart = ShoppingCart().add("tuna sandwich", 15.0)
>>> len(cart)
1
>>> cart.item(1)
'tuna sandwich'
>>> cart.price(1)
15.0
>>> print round(cart.total(9.25), 2)
16.39

-------------------------------
Documentation for Item.module Item - None
Documentation for Item.__init__() - None
Documentation for ShoppingCart.module ShoppingCart
-------------------------------

    This object is used to store the goods.
    It conveniently calculates total cost including
    tax.
    
-------------------------------
Documentation for ShoppingCart.__init__() - None
Documentation for ShoppingCart.__len__()
-------------------------------
Support len(cart) operation.
-------------------------------
Documentation for ShoppingCart.add()
-------------------------------
Add an item to the internal list.
-------------------------------
Documentation for ShoppingCart.item()
-------------------------------
Look up the item. The cart is a 1-based index.
-------------------------------
Documentation for ShoppingCart.price()
-------------------------------
Look up the price. The cart is a 1-based index.
-------------------------------
Documentation for ShoppingCart.total()
-------------------------------
Add up all costs, and then apply a sales tax.
-------------------------------
Running doctests for recipe21
-------------------------------
Trying:
    cart = ShoppingCart().add("tuna sandwich", 15.0)
Expecting nothing
ok
Trying:
    len(cart)
Expecting:
    1
ok
Trying:
    cart.item(1)
Expecting:
    'tuna sandwich'
ok
Trying:
    cart.price(1)
Expecting:
    15.0
ok
Trying:
    print round(cart.total(9.25), 2)
Expecting:
    16.39
ok
9 items had no tests:
    recipe21.Item
    recipe21.Item.__init__
    recipe21.ShoppingCart
    recipe21.ShoppingCart.__init__
    recipe21.ShoppingCart.__len__
    recipe21.ShoppingCart.add
    recipe21.ShoppingCart.item
    recipe21.ShoppingCart.price
    recipe21.ShoppingCart.total
1 items passed all tests:
   5 tests in recipe21
5 tests in 10 items.
5 passed and 0 failed.
Test passed.

recipe12_report.py

from inspect import *

def print_doc(name, item):
    if item.__doc__:
        print "Documentation for %s" % name
        print "-------------------------------"
        print item.__doc__
        print "-------------------------------"
    else:
        print "Documentation for %s - None" % name

def print_docstrings(m, prefix=""):
    print_doc(prefix + "module %s" % m.__name__, m)

    for (name, value) in getmembers(m, isclass):
        if name == '__class__': continue
        print_docstrings(value, prefix=name + ".")

if __name__ == "__main__":
    import sys
    import doctest

    for arg in sys.argv[1:]:
        if arg.startswith("-"): continue
        print "==============================="
        print "== Processing module %s" % arg
        print "==============================="
        m = __import__(arg)
        print_docstrings(m)
        print "Running doctests for %s" % arg
        print "-------------------------------"
        doctest.testmod(m)

recipe21.py

"""
This is documentation for the this entire recipe.
With it, we can demonstrate usage of the code.

>>> cart = ShoppingCart().add("tuna sandwich", 15.0)
>>> len(cart)
1
>>> cart.item(1)
'tuna sandwich'
>>> cart.price(1)
15.0
>>> print round(cart.total(9.25), 2)
16.39
"""

class ShoppingCart(object):
    """
    This object is used to store the goods.
    It conveniently calculates total cost including
    tax.
    """

    def __init__(self):
        self.items = []

    def add(self, item, price):
        "Add an item to the internal list."
        self.items.append(Item(item, price))
        return self

    def item(self, index):
        "Look up the item. The cart is a 1-based index."
        return self.items[index-1].item

    def price(self, index):
        "Look up the price. The cart is a 1-based index."
        return self.items[index-1].price

    def total(self, sales_tax):
        "Add up all costs, and then apply a sales tax."
        sum_price = sum([item.price for item in self.items])
        return sum_price*(1.0 + sales_tax/100.0)

    def __len__(self):
        "Support len(cart) operation."
        return len(self.items)

class Item(object):
    def __init__(self, item, price):
        self.item = item
        self.price = price