Refactor in preperation building the crawler
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@ -0,0 +1,7 @@
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"""
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snarfbot package the idea with this refactor is hide the underlaying
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details of the scraping engine used from api consumers. So that we can replace/
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have different ones it if needed
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it also lets me work on the crawler without breaking what we've got already which works
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surprisingly well for a sub ~100 line program
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"""
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@ -0,0 +1,13 @@
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from bs4 import BeautifulSoup
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import urllib.request as urllib2
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import re
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def linkview(url):
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html_page = urllib2.urlopen(url)
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soup = BeautifulSoup(html_page, features="lxml")
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links = []
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for link in soup.findAll('a', attrs={'href': re.compile("^http[s]?://")}):
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links.append(link.get('href'))
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return links
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@ -0,0 +1,66 @@
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import newspaper
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from io import StringIO
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import re
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def slugify(s):
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"""
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Simplifies ugly strings into something URL-friendly.
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>>> print slugify("[Some] _ Article's Title--")
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some-articles-title
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"""
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# "[Some] _ Article's Title--"
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# "[some] _ article's title--"
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s = s.lower()
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# "[some] _ article's_title--"
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# "[some]___article's_title__"
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for c in [' ', '-', '.', '/']:
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s = s.replace(c, '_')
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# "[some]___article's_title__"
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# "some___articles_title__"
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s = re.sub('\W', '', s)
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# "some___articles_title__"
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# "some articles title "
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s = s.replace('_', ' ')
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# "some articles title "
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# "some articles title "
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s = re.sub('\s+', ' ', s)
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# "some articles title "
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# "some articles title"
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s = s.strip()
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# "some articles title"
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# "some-articles-title"
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s = s.replace(' ', '-')
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return s
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def pprint_list(l):
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s = ""
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for i in l:
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s = s + str(i) + ", "
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return s
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def snarf(uri):
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target = newspaper.Article(uri)
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target.download()
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target.parse()
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header = target.title + "\n" + "By " + pprint_list(target.authors)
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header = header + "\n\n"
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header = header + str(target.publish_date) + "\nFrom: " + uri
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header = header + "\n\n"
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fp = StringIO()
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fp.write(header)
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sep = '-' * 32 + "\n\n"
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fp.write(sep)
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fp.write(target.text)
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return (target.title, fp.getvalue())
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66
web2text.py
66
web2text.py
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# From a website.
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# As usual the WTFPL applies
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import sys
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import codecs
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import newspaper
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import click
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import re
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import os
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from io import StringIO
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from snarfbot.snarf3k import snarf, slugify
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@click.group()
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def cli():
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pass
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def slugify(s):
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"""
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Simplifies ugly strings into something URL-friendly.
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>>> print slugify("[Some] _ Article's Title--")
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some-articles-title
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"""
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# "[Some] _ Article's Title--"
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# "[some] _ article's title--"
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s = s.lower()
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# "[some] _ article's_title--"
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# "[some]___article's_title__"
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for c in [' ', '-', '.', '/']:
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s = s.replace(c, '_')
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# "[some]___article's_title__"
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# "some___articles_title__"
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s = re.sub('\W', '', s)
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# "some___articles_title__"
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# "some articles title "
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s = s.replace('_', ' ')
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# "some articles title "
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# "some articles title "
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s = re.sub('\s+', ' ', s)
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# "some articles title "
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# "some articles title"
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s = s.strip()
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# "some articles title"
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# "some-articles-title"
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s = s.replace(' ', '-')
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return s
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def pprint_list(l):
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s = ""
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for i in l:
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s = s + str(i) + ", "
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return s
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@cli.command()
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@click.argument('uri')
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else:
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click.echo_via_pager(pack[1])
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def snarf(uri):
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target = newspaper.Article(uri)
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target.download()
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target.parse()
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header = target.title + "\n" + "By " + pprint_list(target.authors)
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header = header + "\n\n"
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header = header + str(target.publish_date) + "\nFrom: " + uri
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header = header + "\n\n"
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fp = StringIO()
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fp.write(header)
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sep = '-' * 32 + "\n\n"
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fp.write(sep)
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fp.write(target.text)
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return (target.title, fp.getvalue())
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if __name__ == '__main__':
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cli()
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