lib/exercises-in-programming-style
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Modernize Python 2 code to get ready for Python 3

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cclauss
2018-03-21 21:41:35 +01:00
parent d521abd5d7
commit 1fa9eb3c2b
42 changed files with 169 additions and 112 deletions
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11
34-the-c-flow/tf-34.py
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@@ -1,5 +1,6 @@
#!/usr/bin/env python
from __future__ import print_function
import sys, re, operator, string, inspect
# Reusing the defensive style program to illustrate this
@@ -20,7 +21,7 @@ def extract_words(path_to_file):
with open(path_to_file) as f:
str_data = f.read()
except IOError as e:
print "I/O error({0}) when opening {1}: {2}".format(e.errno, path_to_file, e.strerror)
print("I/O error({0}) when opening {1}: {2}".format(e.errno, path_to_file, e.strerror))
fail = True
if not fail:
@@ -31,7 +32,7 @@ def extract_words(path_to_file):
with open('../stop_words.txt') as f:
stop_words = f.read().split(',')
except IOError as e:
print "I/O error({0}) when opening ../stops_words.txt: {1}".format(e.errno, e.strerror)
print("I/O error({0}) when opening ../stops_words.txt: {1}".format(e.errno, e.strerror))
fail = True
if not fail:
@@ -44,7 +45,7 @@ def frequencies(word_list):
Takes a list of words and returns a dictionary associating
words with frequencies of occurrence
"""
if type(word_list) is list and word_list <> []:
if type(word_list) is list and word_list != []:
word_freqs = {}
for w in word_list:
if w in word_freqs:
@@ -61,7 +62,7 @@ def sort(word_freq):
and returns a list of pairs where the entries are
sorted by frequency
"""
if type(word_freq) is dict and word_freq <> {}:
if type(word_freq) is dict and word_freq != {}:
return sorted(word_freq.iteritems(), key=operator.itemgetter(1), reverse=True)
else:
return []
@@ -73,5 +74,5 @@ filename = sys.argv[1] if len(sys.argv) > 1 else "../input.txt"
word_freqs = sort(frequencies(extract_words(filename)))
for tf in word_freqs[0:25]:
print tf[0], ' - ', tf[1]
print(tf[0], ' - ', tf[1])