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base_query = Casualty.safe_objects.all()

def build_chart(base_query, field_name, order_by):
    '''
    This is a function to make building our charts a little DRYer. Beats the pants off of lambdas.
    '''
    return base_query.values(field_name).annotate(Count(field_name)).order_by(order_by)
    
extra_context_dict = {
    'theater_chart':build_chart(base_query, 'theater__name', '-theater__name__count'),

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#!/usr/bin/env python

import csv

source_file = open('/path/to/Testfile.txt','rb')

# Use the DictReader class to read in your data. This class allows you to access 
# field names by name. It assumes the first line in the file contains the field names

for line in csv.DictReader(source_file, delimiter='\t'):

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#!/usr/bin/env python
"""
A simple script showing how to read data from a specified
file, do some basic processing, and then print out processed 
lines to the shell. The input file is hard-coded in the text.

USAGE from command line

    python simple_file_processing.py