Exercises in Programming Style

Chapter 3

Monolithic

3.1 Constraints

• No named abstractions.
• No, or little, use of libraries.

3.2 A Program in this Style

  1 #!/usr/bin/env python
  2
  3 import sys, string
  4 # the global list of [word, frequency] pairs
  5 word_freqs = []
  6 # the list of stop words
  7 with open('../stop_words.txt') as f:
  8 stop_words = f.read().split(',')
  9 stop_words.extend(list(string.ascii_lowercase))
 10
 11 # iterate through the file one line at a time
 12 for line in open(sys.argv[1]):
 13 start_char = None
 14 i = 0
 15 for c in line:
 16  if start_char == None:
 17    if c.isalnum():
 18    # We found the start of a word
 19    start_char = i
 20  else:
 21    if not c.isalnum(): ...