144 lines
4.3 KiB
Python
144 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
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import json
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from datetime import datetime
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from waybackpy.exceptions import TooManyArchivingRequests, ArchivingNotAllowed, PageNotSaved, ArchiveNotFound, UrlNotFound, BadGateWay, InvalidUrl, WaybackUnavailable
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try:
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from urllib.request import Request, urlopen
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from urllib.error import HTTPError, URLError
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except ImportError:
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from urllib2 import Request, urlopen, HTTPError, URLError
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default_UA = "waybackpy python package"
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def url_check(url):
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if "." not in url:
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raise InvalidUrl("'%s' is not a vaild url." % url)
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def clean_url(url):
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return str(url).strip().replace(" ","_")
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def wayback_timestamp(**kwargs):
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return (
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str(kwargs["year"])
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+
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str(kwargs["month"]).zfill(2)
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+
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str(kwargs["day"]).zfill(2)
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+
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str(kwargs["hour"]).zfill(2)
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+
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str(kwargs["minute"]).zfill(2)
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)
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def handle_HTTPError(e):
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if e.code == 502:
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raise BadGateWay(e)
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elif e.code == 503:
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raise WaybackUnavailable(e)
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elif e.code == 429:
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raise TooManyArchivingRequests(e)
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elif e.code == 404:
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raise UrlNotFound(e)
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def save(url, UA=default_UA):
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url_check(url)
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request_url = ("https://web.archive.org/save/" + clean_url(url))
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hdr = { 'User-Agent' : '%s' % UA } #nosec
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req = Request(request_url, headers=hdr) #nosec
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try:
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response = urlopen(req) #nosec
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except HTTPError as e:
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if handle_HTTPError(e) is None:
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raise PageNotSaved(e)
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except URLError:
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try:
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response = urlopen(req) #nosec
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except URLError as e:
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raise UrlNotFound(e)
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header = response.headers
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if "exclusion.robots.policy" in str(header):
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raise ArchivingNotAllowed("Can not archive %s. Disabled by site owner." % (url))
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return "https://web.archive.org" + header['Content-Location']
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def get(url, encoding=None, UA=default_UA):
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url_check(url)
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hdr = { 'User-Agent' : '%s' % UA }
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req = Request(clean_url(url), headers=hdr) #nosec
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try:
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resp=urlopen(req) #nosec
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except URLError:
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try:
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resp=urlopen(req) #nosec
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except URLError as e:
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raise UrlNotFound(e)
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if encoding is None:
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try:
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encoding= resp.headers['content-type'].split('charset=')[-1]
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except AttributeError:
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encoding = "UTF-8"
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return resp.read().decode(encoding.replace("text/html", "UTF-8", 1))
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def near(url, **kwargs):
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try:
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url = kwargs["url"]
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except KeyError:
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url = url
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year=kwargs.get("year", datetime.utcnow().strftime('%Y'))
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month=kwargs.get("month", datetime.utcnow().strftime('%m'))
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day=kwargs.get("day", datetime.utcnow().strftime('%d'))
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hour=kwargs.get("hour", datetime.utcnow().strftime('%H'))
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minute=kwargs.get("minute", datetime.utcnow().strftime('%M'))
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UA=kwargs.get("UA", default_UA)
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url_check(url)
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timestamp = wayback_timestamp(year=year,month=month,day=day,hour=hour,minute=minute)
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request_url = "https://archive.org/wayback/available?url=%s×tamp=%s" % (clean_url(url), str(timestamp))
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hdr = { 'User-Agent' : '%s' % UA }
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req = Request(request_url, headers=hdr) # nosec
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try:
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response = urlopen(req) #nosec
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except HTTPError as e:
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handle_HTTPError(e)
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data = json.loads(response.read().decode("UTF-8"))
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if not data["archived_snapshots"]:
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raise ArchiveNotFound("'%s' is not yet archived." % url)
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archive_url = (data["archived_snapshots"]["closest"]["url"])
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# wayback machine returns http sometimes, idk why? But they support https
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archive_url = archive_url.replace("http://web.archive.org/web/","https://web.archive.org/web/",1)
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return archive_url
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def oldest(url, UA=default_UA, year=1994):
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return near(url, year=year, UA=UA)
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def newest(url, UA=default_UA):
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return near(url, UA=UA)
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def total_archives(url, UA=default_UA):
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url_check(url)
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hdr = { 'User-Agent' : '%s' % UA }
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request_url = "https://web.archive.org/cdx/search/cdx?url=%s&output=json&fl=statuscode" % clean_url(url)
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req = Request(request_url, headers=hdr) # nosec
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try:
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response = urlopen(req) #nosec
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except HTTPError as e:
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handle_HTTPError(e)
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return str(response.read()).count(",") # Most efficient method to count (yet)
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