def count_words_in_article(url):
soup = get_soup_of_page(url)
p_tags = get_all_body_p_tags_bbc(soup)
word_counter = Counter()
for pTag in p_tags:
contents = str(pTag.contents[0])
if 'href' not in contents and 'span' not in contents:
word_counter.update(split_into_words(contents))
return word_counter
def test_precision_recall(url, category, max_num_of_articles):
links = deque()
links.append(url)
count = 0
articles_in_training_set = read_object_from('visited_pages_set.p', set)
articles_in_testing = read_object_from('tested_articles_url.p', set)
print(articles_in_testing)
while links and count < max_num_of_articles:
try:
next_url = links.popleft()
soup = get_soup_of_page(next_url)
links.extend(collect_links(soup))
if next_url in articles_in_training_set or next_url in articles_in_testing:
continue
time.sleep(1)
article_category = determine_category_file(next_url)
if article_category != category:
continue
word_counter_new_article = count_words_in_article(next_url)
category_guess = get_most_likely_category(word_counter_new_article)
print('Currently going through ', next_url, ':')
articles_in_testing.add(next_url)
count += 1
print(' Your guess is', category_guess, '. The actual category is', article_category)
except AttributeError:
print('something went wrong, here', next_url, 'we will look at the next link')
continue
except Exception as e:
print('an unexpected error occurred, we will look at the next link: ', e)
continue
print('I have looked at', count, 'articles')
pickle.dump(articles_in_testing, open('tested_articles_url.p', 'wb'))
def write_body_to_file(url,links):
# トレイニングデータを作るために使います
article_category = determine_category_file(url)
if article_category == 'ignore':
print('This url was ignored:', url)
return
print('Currently going through ', url, ':')
f = open(article_category + '.csv', 'a')
try:
soup = get_soup_of_page(url)
links.extend(collect_links(soup))
p_tags = get_all_body_p_tags_bbc(soup)
word_counter = read_object_from(article_category + '.p', Counter)
for pTag in p_tags:
contents = str(pTag.contents[0])
# 後で見れるように、CSV ファイルにも書いて、pickle にも文字のカウンターをアップデートします
if 'href' not in contents and 'span' not in contents:
f.write(contents + '\n')
word_counter.update(word.strip(string.punctuation).lower() for word in contents.split())
pickle.dump(word_counter, open(article_category + '.p', 'wb'))
except AttributeError:
print(' This page does not have a body article: ', url)
except Exception as e:
print('Had some problem parsing through this page: ', url, e)
traceback.print_exc()
else:
print(' successfully written to file', article_category)
finally:
f.close()
return article_category
