89 lines
2.9 KiB
Python
89 lines
2.9 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, UrlNotFound, InvalidUrl
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try:
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from urllib.request import Request, urlopen
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from urllib.error import HTTPError
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except ImportError:
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from urllib2 import Request, urlopen, HTTPError
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default_UA = "waybackpy python package"
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def clean_url(url):
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return str(url).strip().replace(" ","_")
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def save(url,UA=default_UA):
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base_save_url = "https://web.archive.org/save/"
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request_url = (base_save_url + clean_url(url))
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hdr = { 'User-Agent' : '%s' % UA }
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req = Request(request_url, headers=hdr)
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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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try:
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response = urlopen(req) #nosec
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except HTTPError as e:
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if e.code == 502:
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raise BadGateWay(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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else:
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raise PageNotSaved(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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archive_id = header['Content-Location']
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archived_url = "https://web.archive.org" + archive_id
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return archived_url
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def get(url,encoding=None,UA=default_UA):
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hdr = { 'User-Agent' : '%s' % UA }
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request_url = clean_url(url)
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req = Request(request_url, headers=hdr)
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resp=urlopen(req)
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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:
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encoding = "UTF-8"
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return resp.read().decode(encoding)
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def wayback_timestamp(year,month,day,hour,minute):
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year = str(year)
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month = str(month).zfill(2)
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day = str(day).zfill(2)
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hour = str(hour).zfill(2)
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minute = str(minute).zfill(2)
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return (year+month+day+hour+minute)
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def near(
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url,
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year=datetime.utcnow().strftime('%Y'),
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month=datetime.utcnow().strftime('%m'),
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day=datetime.utcnow().strftime('%d'),
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hour=datetime.utcnow().strftime('%H'),
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minute=datetime.utcnow().strftime('%M'),
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UA=default_UA,
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):
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timestamp = wayback_timestamp(year,month,day,hour,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)
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response = urlopen(req) #nosec
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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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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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