lib/exercises-in-programming-style
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fixed reading stop word yours

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This commit is contained in:
Kamyar Dabiri
2021-02-16 16:51:42 -08:00
parent 9a7f21e3c0
commit 275bb3171b
1 changed files with 13 additions and 4 deletions
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17
28-lazy-rivers/tf-28.py
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@@ -1,11 +1,15 @@
#!/usr/bin/env python #!/usr/bin/env python
import sys, operator, string import sys
import operator
import string
def characters(filename): def characters(filename):
for line in open(filename): for line in open(filename):
for c in line: for c in line:
yield c yield c
def all_words(filename): def all_words(filename):
start_char = True start_char = True
for c in characters(filename): for c in characters(filename):
@@ -15,7 +19,8 @@ def all_words(filename):
# We found the start of a word # We found the start of a word
word = c.lower() word = c.lower()
start_char = False start_char = False
else: pass else:
pass
else: else:
if c.isalnum(): if c.isalnum():
word += c.lower() word += c.lower()
@@ -24,12 +29,15 @@ def all_words(filename):
start_char = True start_char = True
yield word yield word
def non_stop_words(filename): def non_stop_words(filename):
stopwords = set(open('../stop_words.txt').read().split(',') + list(string.ascii_lowercase)) stopwords = set(open(
'../stop_words.txt').read().strip('\n').split(',') + list(string.ascii_lowercase))
for w in all_words(filename): for w in all_words(filename):
if not w in stopwords: if not w in stopwords:
yield w yield w
def count_and_sort(filename): def count_and_sort(filename):
freqs, i = {}, 1 freqs, i = {}, 1
for w in non_stop_words(filename): for w in non_stop_words(filename):
@@ -38,6 +46,8 @@ def count_and_sort(filename):
yield sorted(freqs.items(), key=operator.itemgetter(1), reverse=True) yield sorted(freqs.items(), key=operator.itemgetter(1), reverse=True)
i = i+1 i = i+1
yield sorted(freqs.items(), key=operator.itemgetter(1), reverse=True) yield sorted(freqs.items(), key=operator.itemgetter(1), reverse=True)
# #
# The main function # The main function
# #
@@ -45,4 +55,3 @@ for word_freqs in count_and_sort(sys.argv[1]):
print("-----------------------------") print("-----------------------------")
for (w, c) in word_freqs[0:25]: for (w, c) in word_freqs[0:25]:
print(w, '-', c) print(w, '-', c)