def extract(self, url):
try:
html, after_url = self.extract_html(url)
a = Article(url, language='zh')
a.download()
a.parse()
try:
row_t = str(a.publish_date)[0:16]
create_time = self.extract_time_str(html, row_t)
except:
create_time = 0
if not a.title:
a.title = ''
# url = self.url_pattern.search(html).group(1)
# split()使用默认分隔符
d_r = {
'title': a.title,
'article': a.text.split(),
'html': html,
'create_time': int(create_time),
'url': after_url
}
return d_r
except:
print('抽取错误！！！')
print(url)
def getArticleInfo():
post_data = (literal_eval(request.data.decode('utf8')))
country = post_data["country"]
articleInfo = {}
urls = getNewsUrls(country)
count = 0
goodCount = 0
while count < len(urls):
article = Article(urls[count])
try:
article.download()
article.parse()
if (isinstance(article.publish_date, datetime)):
date = article.publish_date.strftime('%m/%d/%Y')
else:
date = article.publish_date
authors = []
for x in article.authors:
if len(x.split(" ")) == 2:
authors.append(x)
if not authors:
authors[0] = "No Author"
if date == None:
date = "No Date"
if article.top_image == None:
article.top_image = "No imageURL"
if article.title == None:
article.title = "No title"
if count != 0 and goodCount != 0 and urls[count] == articleInfo[
goodCount - 1]["url"]:
print("Inside if statement")
raise Exception
articleInfo[goodCount] = {
"authors": authors,
"date": date,
"url": urls[count],
"imageURL": article.top_image,
"title": article.title
}
count = count + 1
goodCount = goodCount + 1
except Exception as e:
print(e)
count = count + 1
print("bad article")
return articleInfo
def home(url):
data = {}
data['url'] = url
# Validate url
if urlparse.urlparse(url).scheme not in ('http', 'https'):
data['error'] = 'Invalid URL'
return json.dumps(data)
a = Article(url)
a.download()
a.parse()
data['title'] = a.title
data['authors'] = a.authors
data['text'] = a.text
try:
a.nlp()
except UnicodeDecodeError:
# Strip non-ascii characters
a.title = to_ascii(a.title)
a.text = to_ascii(a.text)
a.nlp()
# NLP
data['summary'] = a.summary
data['keywords'] = a.keywords
data['tags'] = list(a.tags)
# Media
data['top_image'] = a.top_image
data['images'] = a.images
data['movies'] = a.movies
# Meta
data['source_url'] = a.source_url
data['published_date'] = a.published_date
data['meta_img'] = a.meta_img
data['meta_keywords'] = a.meta_keywords
data['meta_lang'] = a.meta_lang
return json.dumps(data)
def ProcessPage(keyword, vBrowser, vNews_name, vNews_url, language):
"""
Process search result page
get articles and save them to a pandas dataframe (articles_page)
(1) list results from page
(2) loop over results, get article
(3) return dataframe
"""
# output: pandas dataframe with title, publishing date, article text and url
articles_page = pd.DataFrame(
columns=['title', 'publish_date', 'text', 'url'])
# 1) list results
search_result_page_source = vBrowser.page_source
# make url regex-usable
url_any = vNews_url
url_any = re.sub(re.escape('?s=' + keyword), '', url_any)
url_any = re.sub(re.escape('search?k=' + keyword), '', url_any)
url_any = re.sub('\?m\=[0-9]{6}', '', url_any)
url_any = re.escape(url_any) + '(?=\S*[-])([0-9a-zA-Z-\/\.]+)'
regex = re.compile(url_any)
logger.info('searching for {}'.format(url_any))
search_results = list(
set([
match[0] for match in regex.finditer(search_result_page_source)
if keyword in match[0].lower()
]))
if vNews_name in ['NewVision']:
regex = re.compile(
'\/new\_vision\/news\/(?=\S*[-])([0-9a-zA-Z-\/\.]+)')
search_results = list(
set([
match[0] for match in regex.finditer(search_result_page_source)
if keyword in match[0].lower()
]))
search_results = [
'https://www.newvision.co.ug' + search_result
for search_result in search_results
]
if len(search_results) > 0:
logger.info("found {0} article(s):".format(len(search_results)))
for title in search_results:
logger.info("url: {0}".format(title))
else:
logger.info('no articles found')
# 2) for each result, get article and save it
for idx, search_result in enumerate(search_results):
logger.info('processing {}'.format(search_result))
# download article
article = Article(search_result, keep_article_html=True)
article.download()
attempts = 0
while (article.download_state !=
2) & (attempts < 5): #ArticleDownloadState.SUCCESS is 2
attempts += 1
time.sleep(1)
if article.download_state != 2:
logger.warning(
'unable to download article: {}'.format(search_result))
continue
article.parse()
article_html = str(article.html)
# select articles with keyword
regex = re.compile(keyword, re.IGNORECASE)
if re.search(regex, article.html) is not None:
logger.debug('{}'.format(article_html))
# get date
date = article.publish_date
date_str = ""
search_date = False
if date is not None:
# keep date found only if older than today
if pd.to_datetime(date_str).date() < pd.to_datetime(
datetime.today()).date():
date_str = date.strftime(DATE_FORMAT)
else:
search_date = True
else:
search_date = True
if search_date:
article_html = re.sub('\s+', ' ', article_html)
dates_found = []
res_date = [
re.compile('[a-zA-ZÀ-ÿ]\w+\s[0-9]+\,\s[0-9]{4}'),
re.compile('[a-zA-ZÀ-ÿ]\w+\s[0-9]+\s[0-9]{4}'),
re.compile('[0-9]\w+\s[a-zA-ZÀ-ÿ]+\,\s[0-9]{4}'),
re.compile('[0-9]\w+\s[a-zA-ZÀ-ÿ]+\s[0-9]{4}'),
re.compile('[0-9]+\s[a-zA-ZÀ-ÿ]+\,\s[0-9]{4}'),
re.compile('[0-9]+\s[a-zA-ZÀ-ÿ]+\s[0-9]{4}'),
re.compile('[0-9]{2}\/[0-9]{2}\/[0-9]{4}'),
re.compile('[0-9]{2}\-[0-9]{2}\-[0-9]{4}'),
re.compile('[0-9]{2}\.[0-9]{2}\.[0-9]{4}')
]
for re_date in res_date:
for match in re_date.finditer(article_html):
if is_date(match.group(), language):
dates_found.append((match.start(), match.group()))
if len(dates_found) > 0:
logger.info('{}'.format(dates_found))
dates_found.sort(key=lambda tup: tup[0])
for res in dates_found:
try:
res_date = dateparser.parse(res[1],
languages=[language],
settings={
'DATE_ORDER': 'DMY'
}).date()
if (res_date < pd.to_datetime(
datetime.today()).date() and res_date >
pd.to_datetime('30/04/1993',
format="%d/%m/%Y").date()):
date_str = res_date.strftime(DATE_FORMAT)
break
except:
pass
if date_str == "":
logger.warning(
'Publication date not found or wrongly assigned, skipping article'
)
continue
else:
logger.info('Publication date assigned: {}'.format(date_str))
# Take newspaper name out of article title
article.title = remove_newspaper_name_from_title(
article.title, vNews_name)
# if no text is present (e.g. only video), use title as text
article_text = article.text
if len(str(article.text)) == 0:
article_text = article.title
# add to dataframe
logger.info('{0} : {1}'.format(article.title, date_str))
articles_page.loc[idx] = [
article.title, date_str, article_text, article.url
]
# 3) return dataframe
if len(search_results) > 0:
logger.info('{}'.format(articles_page.head()))
return articles_page
def ProcessPage(vBrowser, vArticles_all):
"""Process search result page
get articles and save them to a pandas dataframe (articles_page)
(1) list results from page
(2) loop over results, get article and store it
(3) return dataframe
"""
# output: pandas dataframe with title, publishing date, article text and url
articles_page = pd.DataFrame(
columns=['title', 'publish_date', 'text', 'url'])
# 1) list results
search_result_page_source = vBrowser.page_source
# for ZambianObserver *********************************
regex = re.compile(
'https:\/\/www\.zambianobserver\.com\/(?=\S*[-])([0-9a-zA-Z-]+)\/')
search_results = list(
set([
match[0] for match in regex.finditer(search_result_page_source)
if "flood" in match[0].lower()
]))
# for TimesOfZambia ***********************************
# search_results_we = vBrowser.find_elements_by_class_name("readmore");
# search_results = [search_result.get_attribute("href") for search_result in search_results_we]
# for Lusakatimes ***********************************
# search_results_we = vBrowser.find_elements_by_class_name("td-image-wrap");
# regex_prefilter = re.compile(r'flood', re.IGNORECASE)
# search_results = [search_result.get_attribute("href") for search_result in search_results_we if re.search(regex_prefilter, search_result.get_attribute("title")) is not None]
# for ZambiaDailyMail ***********************************
# regex = re.compile('http:\/\/www\.daily-mail\.co\.zm\/(?=\S*[-])([0-9a-zA-Z-]+)\/')
# search_results = list(set([ match[0] for match in regex.finditer(search_result_page_source) if "flood" in match[0].lower()]))
# for ZambianWatchdog ***********************************
# regex = re.compile('https:\/\/www\.zambiawatchdog\.com\/(?=\S*[-])([0-9a-zA-Z-]+)\/')
# search_results = list(set([ match[0] for match in regex.finditer(search_result_page_source) if "flood" in match[0].lower()]))
if len(search_results) > 0:
print("found article(s):")
for title in search_results:
print("url: {0}".format(title))
# 2) for each result, get article and save it
for idx, search_result in enumerate(search_results):
# download article
article = Article(search_result)
article.download()
while article.download_state != 2: #ArticleDownloadState.SUCCESS is 2
time.sleep(1)
article.parse()
# select articles with "flood"
regex = re.compile(r'flood', re.IGNORECASE)
if re.search(regex, article.title) is not None:
# get date
date = article.publish_date
if date is not None:
date_str = date.strftime('%m/%d/%Y')
else:
# for TimesOfZambia *******************************************
# date_re = re.search('[a-zA-z]\w+\s[0-9][0-9]\,\s[0-9]{4}', article.html)
# date_str = date_re[0]
# for ZambiaDailyMail, LusakaTimes ****************************
dates_all = [
m.group(0) for m in re.finditer(
r'[a-zA-z]\w+\s[0-9]+\,\s[0-9]{4}', article.html)
]
if len(dates_all) > 1:
date_str = dates_all[1]
else:
date_str = ""
# for ZambianWatchdog *****************************************
# dates_all = [m.group(0) for m in re.finditer(r'[a-zA-z]\w+\s[0-9]+\,\s[0-9]{4}', article.html)]
# if len(dates_all) > 1:
# date_str = dates_all[0]
# else:
# date_str = ""
# *************************************************************
# fix title, if necessary (only for LusakaTimes)
article.title = re.sub('Zambia : ', '', article.title)
# add to dataframe
articles_page.loc[idx] = [
article.title, date_str, article.text, article.url
]
# print dataframe head, to check that things make sense
if idx == 3:
print(articles_page.head())
# 3) return dataframe
vArticles_all = vArticles_all.append(articles_page, ignore_index=True)
return vArticles_all
