Files
auto-archiver/archivers/wayback_archiver.py
msramalho bd5146ac3e bug fixes
2022-06-08 18:17:25 +02:00

90 lines
4.1 KiB
Python

import time, requests
from loguru import logger
from bs4 import BeautifulSoup
from storages import Storage
from .base_archiver import Archiver, ArchiveResult
from configs import WaybackConfig
class WaybackArchiver(Archiver):
name = "wayback"
def __init__(self, storage: Storage, driver, config: WaybackConfig):
super(WaybackArchiver, self).__init__(storage, driver)
self.config = config
# TODO: this logic should live at the auto-archiver level
self.seen_urls = {}
def download(self, url, check_if_exists=False):
if check_if_exists:
if url in self.seen_urls: return self.seen_urls[url]
logger.debug(f"checking if {url=} already on archive.org")
archive_url = f"https://web.archive.org/web/{url}"
req = requests.get(archive_url)
if req.status_code == 200:
return self.if_archived_return_with_screenshot(url, archive_url, req=req, status='already archived')
screenshot = self.get_screenshot(url)
logger.debug(f"POSTing {url=} to web.archive.org")
ia_headers = {
"Accept": "application/json",
"Authorization": f"LOW {self.config.key}:{self.config.secret}"
}
r = requests.post('https://web.archive.org/save/', headers=ia_headers, data={'url': url})
if r.status_code != 200:
logger.warning(f"Internet archive failed with status of {r.status_code}")
return ArchiveResult(status="Internet archive failed", screenshot=screenshot)
if 'job_id' not in r.json() and 'message' in r.json():
if "please try again" in str(r.json()).lower():
return self.signal_retry_in(screenshot=screenshot)
logger.warning(f"Internet archive failed json \n {r.json()}")
return ArchiveResult(status=f"Internet archive failed: {r.json()['message']}", screenshot=screenshot)
job_id = r.json()['job_id']
logger.debug(f"GETting status for {job_id=} on {url=}")
status_r = requests.get(f'https://web.archive.org/save/status/{job_id}', headers=ia_headers)
retries = 0
# TODO: make the job queue parallel -> consider propagation of results back to sheet though
# wait 90-120 seconds for the archive job to finish
while (status_r.status_code != 200 or status_r.json()['status'] == 'pending') and retries < 30:
time.sleep(3)
try:
logger.debug(f"GETting status for {job_id=} on {url=} [{retries=}]")
status_r = requests.get(f'https://web.archive.org/save/status/{job_id}', headers=ia_headers)
except:
time.sleep(1)
retries += 1
if status_r.status_code != 200:
return ArchiveResult(status="Internet archive failed", screenshot=screenshot)
status_json = status_r.json()
if status_json['status'] != 'success':
logger.info(f'please try again" in str(status_json).lower(): {("please try again" in str(status_json).lower())}')
if "please try again" in str(status_json).lower():
return self.signal_retry_in(screenshot=screenshot)
return ArchiveResult(status='Internet Archive failed: ' + str(status_json), screenshot=screenshot)
archive_url = f"https://web.archive.org/web/{status_json['timestamp']}/{status_json['original_url']}"
return self.if_archived_return_with_screenshot(archive_url)
def if_archived_return_with_screenshot(self, url, archive_url, screenshot=None, req=None, status='success'):
try:
if req is None:
req = requests.get(archive_url)
parsed = BeautifulSoup(req.content, 'html.parser')
title = parsed.find_all('title')[0].text
if title == 'Wayback Machine':
title = 'Could not get title'
except:
title = "Could not get title"
screenshot = screenshot or self.get_screenshot(url)
self.seen_urls[url] = ArchiveResult(status=status, cdn_url=archive_url, title=title, screenshot=screenshot)
return self.seen_urls[url]