601 lines
21 KiB
Python
601 lines
21 KiB
Python
import os
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import sys
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from functools import wraps
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from collections import defaultdict
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from datetime import datetime
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from subprocess import run, PIPE, DEVNULL
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from peekable import Peekable
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from index import wget_output_path, parse_json_link_index, write_link_index
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from links import links_after_timestamp
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from config import (
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CHROME_BINARY,
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FETCH_WGET,
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FETCH_WGET_REQUISITES,
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FETCH_PDF,
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FETCH_SCREENSHOT,
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FETCH_DOM,
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FETCH_WARC,
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FETCH_GIT,
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FETCH_MEDIA,
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RESOLUTION,
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CHECK_SSL_VALIDITY,
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SUBMIT_ARCHIVE_DOT_ORG,
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FETCH_FAVICON,
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WGET_USER_AGENT,
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CHROME_USER_DATA_DIR,
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CHROME_SANDBOX,
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TIMEOUT,
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MEDIA_TIMEOUT,
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ANSI,
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ARCHIVE_DIR,
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GIT_DOMAINS,
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)
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from util import (
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check_dependencies,
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progress,
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chmod_file,
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pretty_path,
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)
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_RESULTS_TOTALS = { # globals are bad, mmkay
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'skipped': 0,
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'succeded': 0,
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'failed': 0,
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}
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def archive_links(archive_path, links, source=None, resume=None):
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check_dependencies()
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to_archive = Peekable(links_after_timestamp(links, resume))
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idx, link = 0, to_archive.peek(0)
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try:
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for idx, link in enumerate(to_archive):
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link_dir = os.path.join(ARCHIVE_DIR, link['timestamp'])
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archive_link(link_dir, link)
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except (KeyboardInterrupt, SystemExit, Exception) as e:
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print('{lightyellow}[X] [{now}] Downloading paused on link {timestamp} ({idx}/{total}){reset}'.format(
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**ANSI,
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now=datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
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idx=idx+1,
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timestamp=link['timestamp'],
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total=len(links),
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))
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print(' Continue where you left off by running:')
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print(' {} {}'.format(
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pretty_path(sys.argv[0]),
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link['timestamp'],
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))
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if not isinstance(e, KeyboardInterrupt):
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raise e
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raise SystemExit(1)
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def archive_link(link_dir, link, overwrite=True):
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"""download the DOM, PDF, and a screenshot into a folder named after the link's timestamp"""
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update_existing = os.path.exists(link_dir)
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if update_existing:
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link = {
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**parse_json_link_index(link_dir),
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**link,
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}
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else:
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os.makedirs(link_dir)
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log_link_archive(link_dir, link, update_existing)
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if FETCH_FAVICON:
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link = fetch_favicon(link_dir, link, overwrite=overwrite)
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if FETCH_WGET:
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link = fetch_wget(link_dir, link, overwrite=overwrite)
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if FETCH_PDF:
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link = fetch_pdf(link_dir, link, overwrite=overwrite)
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if FETCH_SCREENSHOT:
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link = fetch_screenshot(link_dir, link, overwrite=overwrite)
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if FETCH_DOM:
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link = fetch_dom(link_dir, link, overwrite=overwrite)
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if FETCH_WARC:
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link = fetch_warc(link_dir, link, overwrite=overwrite)
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if SUBMIT_ARCHIVE_DOT_ORG:
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link = archive_dot_org(link_dir, link, overwrite=overwrite)
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if FETCH_GIT:
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link = fetch_git(link_dir, link, overwrite=overwrite)
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if FETCH_MEDIA:
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link = fetch_media(link_dir, link, overwrite=overwrite)
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write_link_index(link_dir, link)
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return link
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def log_link_archive(link_dir, link, update_existing):
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print('[{symbol_color}{symbol}{reset}] [{now}] "{title}"\n {blue}{url}{reset}'.format(
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symbol='*' if update_existing else '+',
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symbol_color=ANSI['black' if update_existing else 'green'],
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now=datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
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**link,
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**ANSI,
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))
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print(' > {}{}'.format(pretty_path(link_dir), '' if update_existing else ' (new)'))
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if link['type']:
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print(' i {}'.format(link['type']))
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def attach_result_to_link(method):
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"""
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Instead of returning a result={output:'...', status:'success'} object,
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attach that result to the links's history & latest fields, then return
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the updated link object.
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"""
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def decorator(fetch_func):
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@wraps(fetch_func)
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def timed_fetch_func(link_dir, link, overwrite=False, **kwargs):
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# initialize methods and history json field on link
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link['latest'] = link.get('latest') or {}
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link['latest'][method] = link['latest'].get(method) or None
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link['history'] = link.get('history') or {}
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link['history'][method] = link['history'].get(method) or []
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start_ts = datetime.now().timestamp()
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# if a valid method output is already present, dont run the fetch function
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if link['latest'][method] and not overwrite:
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print(' √ {}'.format(method))
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result = None
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else:
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print(' > {}'.format(method))
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result = fetch_func(link_dir, link, **kwargs)
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end_ts = datetime.now().timestamp()
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duration = str(end_ts * 1000 - start_ts * 1000).split('.')[0]
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# append a history item recording fail/success
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history_entry = {
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'timestamp': str(start_ts).split('.')[0],
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}
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if result is None:
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history_entry['status'] = 'skipped'
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elif isinstance(result.get('output'), Exception):
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history_entry['status'] = 'failed'
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history_entry['duration'] = duration
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history_entry.update(result or {})
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link['history'][method].append(history_entry)
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else:
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history_entry['status'] = 'succeded'
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history_entry['duration'] = duration
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history_entry.update(result or {})
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link['history'][method].append(history_entry)
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link['latest'][method] = result['output']
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_RESULTS_TOTALS[history_entry['status']] += 1
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return link
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return timed_fetch_func
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return decorator
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@attach_result_to_link('wget')
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def fetch_wget(link_dir, link, requisites=FETCH_WGET_REQUISITES, timeout=TIMEOUT):
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"""download full site using wget"""
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domain_dir = os.path.join(link_dir, link['domain'])
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existing_file = wget_output_path(link)
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if os.path.exists(domain_dir) and existing_file:
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return {'output': existing_file, 'status': 'skipped'}
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# WGET CLI Docs: https://www.gnu.org/software/wget/manual/wget.html
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CMD = [
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'wget',
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# '--server-response', # print headers for better error parsing
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'--no-verbose',
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'--timestamping',
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'--adjust-extension',
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'--convert-links',
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'--force-directories',
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'--backup-converted',
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'--span-hosts',
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'--no-parent',
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'--restrict-file-names=unix',
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*(('--page-requisites',) if FETCH_WGET_REQUISITES else ()),
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*(('--user-agent="{}"'.format(WGET_USER_AGENT),) if WGET_USER_AGENT else ()),
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*((() if CHECK_SSL_VALIDITY else ('--no-check-certificate',))),
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link['url'],
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]
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end = progress(timeout, prefix=' ')
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try:
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result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout + 1) # index.html
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end()
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output = wget_output_path(link, look_in=domain_dir)
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# Check for common failure cases
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if result.returncode > 0:
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print(' got wget response code {}:'.format(result.returncode))
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if result.returncode != 8:
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print('\n'.join(' ' + line for line in (result.stderr or result.stdout).decode().rsplit('\n', 10)[-10:] if line.strip()))
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if b'403: Forbidden' in result.stderr:
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raise Exception('403 Forbidden (try changing WGET_USER_AGENT)')
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if b'404: Not Found' in result.stderr:
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raise Exception('404 Not Found')
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if b'ERROR 500: Internal Server Error' in result.stderr:
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raise Exception('500 Internal Server Error')
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if result.returncode == 4:
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raise Exception('Failed wget download')
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except Exception as e:
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end()
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print(' Run to see full output:', 'cd {}; {}'.format(link_dir, ' '.join(CMD)))
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print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
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output = e
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return {
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'cmd': CMD,
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'output': output,
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}
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@attach_result_to_link('pdf')
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def fetch_pdf(link_dir, link, timeout=TIMEOUT, user_data_dir=CHROME_USER_DATA_DIR):
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"""print PDF of site to file using chrome --headless"""
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if link['type'] in ('PDF', 'image'):
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return {'output': wget_output_path(link)}
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if os.path.exists(os.path.join(link_dir, 'output.pdf')):
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return {'output': 'output.pdf', 'status': 'skipped'}
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CMD = [
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*chrome_headless(user_data_dir=user_data_dir),
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'--print-to-pdf',
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'--hide-scrollbars',
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'--timeout=58000',
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*(() if CHECK_SSL_VALIDITY else ('--disable-web-security', '--ignore-certificate-errors')),
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link['url']
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]
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end = progress(timeout, prefix=' ')
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try:
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result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout + 1) # output.pdf
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end()
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if result.returncode:
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print(' ', (result.stderr or result.stdout).decode())
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raise Exception('Failed to print PDF')
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chmod_file('output.pdf', cwd=link_dir)
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output = 'output.pdf'
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except Exception as e:
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end()
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print(' Run to see full output:', 'cd {}; {}'.format(link_dir, ' '.join(CMD)))
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print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
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output = e
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return {
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'cmd': CMD,
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'output': output,
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}
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@attach_result_to_link('screenshot')
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def fetch_screenshot(link_dir, link, timeout=TIMEOUT, user_data_dir=CHROME_USER_DATA_DIR, resolution=RESOLUTION):
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"""take screenshot of site using chrome --headless"""
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if link['type'] in ('PDF', 'image'):
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return {'output': wget_output_path(link)}
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if os.path.exists(os.path.join(link_dir, 'screenshot.png')):
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return {'output': 'screenshot.png', 'status': 'skipped'}
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CMD = [
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*chrome_headless(user_data_dir=user_data_dir),
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'--screenshot',
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'--window-size={}'.format(resolution),
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'--hide-scrollbars',
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'--timeout=58000',
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*(() if CHECK_SSL_VALIDITY else ('--disable-web-security', '--ignore-certificate-errors')),
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# '--full-page', # TODO: make this actually work using ./bin/screenshot fullPage: true
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link['url'],
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]
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end = progress(timeout, prefix=' ')
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try:
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result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout + 1) # sreenshot.png
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end()
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if result.returncode:
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print(' ', (result.stderr or result.stdout).decode())
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raise Exception('Failed to take screenshot')
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chmod_file('screenshot.png', cwd=link_dir)
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output = 'screenshot.png'
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except Exception as e:
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end()
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print(' Run to see full output:', 'cd {}; {}'.format(link_dir, ' '.join(CMD)))
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print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
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output = e
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return {
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'cmd': CMD,
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'output': output,
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}
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@attach_result_to_link('dom')
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def fetch_dom(link_dir, link, timeout=TIMEOUT, user_data_dir=CHROME_USER_DATA_DIR):
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"""print HTML of site to file using chrome --dump-html"""
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if link['type'] in ('PDF', 'image'):
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return {'output': wget_output_path(link)}
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output_path = os.path.join(link_dir, 'output.html')
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if os.path.exists(output_path):
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return {'output': 'output.html', 'status': 'skipped'}
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CMD = [
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*chrome_headless(user_data_dir=user_data_dir),
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'--dump-dom',
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link['url']
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]
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end = progress(timeout, prefix=' ')
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try:
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with open(output_path, 'w+') as f:
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result = run(CMD, stdout=f, stderr=PIPE, cwd=link_dir, timeout=timeout + 1) # output.html
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end()
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if result.returncode:
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print(' ', (result.stderr).decode())
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raise Exception('Failed to fetch DOM')
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chmod_file('output.html', cwd=link_dir)
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output = 'output.html'
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except Exception as e:
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end()
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print(' Run to see full output:', 'cd {}; {}'.format(link_dir, ' '.join(CMD)))
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print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
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output = e
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return {
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'cmd': CMD,
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'output': output,
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}
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@attach_result_to_link('archive_org')
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def archive_dot_org(link_dir, link, timeout=TIMEOUT):
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"""submit site to archive.org for archiving via their service, save returned archive url"""
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path = os.path.join(link_dir, 'archive.org.txt')
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if os.path.exists(path):
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archive_org_url = open(path, 'r').read().strip()
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return {'output': archive_org_url, 'status': 'skipped'}
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submit_url = 'https://web.archive.org/save/{}'.format(link['url'])
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success = False
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CMD = ['curl', '-L', '-I', '-X', 'GET', submit_url]
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end = progress(timeout, prefix=' ')
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try:
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result = run(CMD, stdout=PIPE, stderr=DEVNULL, cwd=link_dir, timeout=timeout + 1) # archive.org.txt
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end()
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# Parse archive.org response headers
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headers = defaultdict(list)
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# lowercase all the header names and store in dict
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for header in result.stdout.splitlines():
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if b':' not in header or not header.strip():
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continue
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name, val = header.decode().split(':', 1)
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headers[name.lower().strip()].append(val.strip())
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# Get successful archive url in "content-location" header or any errors
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content_location = headers['content-location']
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errors = headers['x-archive-wayback-runtime-error']
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if content_location:
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saved_url = 'https://web.archive.org{}'.format(content_location[0])
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success = True
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elif len(errors) == 1 and 'RobotAccessControlException' in errors[0]:
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output = submit_url
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# raise Exception('Archive.org denied by {}/robots.txt'.format(link['domain']))
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elif errors:
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raise Exception(', '.join(errors))
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else:
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raise Exception('Failed to find "content-location" URL header in Archive.org response.')
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except Exception as e:
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end()
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print(' Visit url to see output:', ' '.join(CMD))
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print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
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output = e
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if success:
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with open(os.path.join(link_dir, 'archive.org.txt'), 'w', encoding='utf-8') as f:
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f.write(saved_url)
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chmod_file('archive.org.txt', cwd=link_dir)
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output = saved_url
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return {
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'cmd': CMD,
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'output': output,
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}
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@attach_result_to_link('favicon')
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def fetch_favicon(link_dir, link, timeout=TIMEOUT):
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"""download site favicon from google's favicon api"""
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if os.path.exists(os.path.join(link_dir, 'favicon.ico')):
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return {'output': 'favicon.ico', 'status': 'skipped'}
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CMD = ['curl', 'https://www.google.com/s2/favicons?domain={domain}'.format(**link)]
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fout = open('{}/favicon.ico'.format(link_dir), 'w')
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end = progress(timeout, prefix=' ')
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try:
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run(CMD, stdout=fout, stderr=DEVNULL, cwd=link_dir, timeout=timeout + 1) # favicon.ico
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fout.close()
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end()
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chmod_file('favicon.ico', cwd=link_dir)
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output = 'favicon.ico'
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except Exception as e:
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fout.close()
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end()
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print(' Run to see full output:', ' '.join(CMD))
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print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
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output = e
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return {
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'cmd': CMD,
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'output': output,
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}
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@attach_result_to_link('media')
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def fetch_media(link_dir, link, timeout=MEDIA_TIMEOUT, overwrite=False):
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"""Download playlists or individual video, audio, and subtitles using youtube-dl"""
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# import ipdb; ipdb.set_trace()
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output = os.path.join(link_dir, 'media')
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already_done = os.path.exists(output) and os.listdir(output)
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if already_done and not overwrite:
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return {'output': 'media', 'status': 'skipped'}
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os.makedirs(output, exist_ok=True)
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CMD = [
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'youtube-dl',
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'--write-description',
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'--write-info-json',
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'--write-annotations',
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'--yes-playlist',
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'--write-thumbnail',
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'--no-call-home',
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'--no-check-certificate',
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'--user-agent',
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'--all-subs',
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'-x',
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'-k',
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'--audio-format', 'mp3',
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'--audio-quality', '320K',
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'--embed-thumbnail',
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'--add-metadata',
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link['url'],
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]
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end = progress(timeout, prefix=' ')
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try:
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result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=output, timeout=timeout + 1) # audio/audio.mp3
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end()
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if result.returncode:
|
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if b'ERROR: Unsupported URL' in result.stderr:
|
|
pass
|
|
else:
|
|
print(' got youtubedl response code {}:'.format(result.returncode))
|
|
print(result.stderr)
|
|
raise Exception('Failed to download media')
|
|
except Exception as e:
|
|
end()
|
|
print(' Run to see full output:', 'cd {}; {}'.format(link_dir, ' '.join(CMD)))
|
|
print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
|
|
output = e
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
|
|
@attach_result_to_link('git')
|
|
def fetch_git(link_dir, link, timeout=TIMEOUT):
|
|
"""download full site using git"""
|
|
|
|
if not (link['domain'] in GIT_DOMAINS
|
|
or link['url'].endswith('.git')
|
|
or link['type'] == 'git'):
|
|
return
|
|
|
|
if os.path.exists(os.path.join(link_dir, 'git')):
|
|
return {'output': 'git', 'status': 'skipped'}
|
|
|
|
CMD = ['git', 'clone', '--recursive', link['url'], 'git']
|
|
output = 'git'
|
|
|
|
end = progress(timeout, prefix=' ')
|
|
try:
|
|
result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout + 1) # git/<reponame>
|
|
end()
|
|
|
|
if result.returncode > 0:
|
|
print(' got git response code {}:'.format(result.returncode))
|
|
raise Exception('Failed git download')
|
|
except Exception as e:
|
|
end()
|
|
print(' Run to see full output:', 'cd {}; {}'.format(link_dir, ' '.join(CMD)))
|
|
print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
|
|
output = e
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
|
|
@attach_result_to_link('warc')
|
|
def fetch_warc(link_dir, link, timeout=TIMEOUT):
|
|
"""download full site using wget's warc saving feature"""
|
|
|
|
output = os.path.join(link_dir, 'warc')
|
|
if os.path.exists(output) and os.listdir(output):
|
|
return {'output': 'warc', 'status': 'skipped'}
|
|
|
|
os.makedirs(output, exist_ok=True)
|
|
CMD = [
|
|
'wget',
|
|
'--warc-file="{}"'.format(int(datetime.now().timestamp())),
|
|
*(('--user-agent="{}"'.format(WGET_USER_AGENT),) if WGET_USER_AGENT else ()),
|
|
*((() if CHECK_SSL_VALIDITY else ('--no-check-certificate',))),
|
|
link['url'],
|
|
]
|
|
|
|
end = progress(timeout, prefix=' ')
|
|
try:
|
|
result = run(CMD, stdout=PIPE, stderr=PIPE, cwd=output, timeout=timeout + 1) # warc/at-00000.warc.gz
|
|
end()
|
|
|
|
# Check for common failure cases
|
|
if result.returncode > 0:
|
|
print(' got wget response code {}:'.format(result.returncode))
|
|
if result.returncode != 8:
|
|
print('\n'.join(' ' + line for line in (result.stderr or result.stdout).decode().rsplit('\n', 10)[-10:] if line.strip()))
|
|
if b'403: Forbidden' in result.stderr:
|
|
raise Exception('403 Forbidden (try changing WGET_USER_AGENT)')
|
|
if b'404: Not Found' in result.stderr:
|
|
raise Exception('404 Not Found')
|
|
if b'ERROR 500: Internal Server Error' in result.stderr:
|
|
raise Exception('500 Internal Server Error')
|
|
if result.returncode == 4:
|
|
raise Exception('Failed warc download')
|
|
except Exception as e:
|
|
end()
|
|
print(' Run to see full output:', 'cd {}; {}'.format(link_dir, ' '.join(CMD)))
|
|
print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
|
|
output = e
|
|
|
|
return {
|
|
'cmd': CMD,
|
|
'output': output,
|
|
}
|
|
|
|
|
|
def chrome_headless(binary=CHROME_BINARY, user_data_dir=CHROME_USER_DATA_DIR):
|
|
args = [binary, '--headless'] # '--disable-gpu'
|
|
if not CHROME_SANDBOX:
|
|
args.append('--no-sandbox')
|
|
default_profile = os.path.expanduser('~/Library/Application Support/Google/Chrome/Default')
|
|
if user_data_dir:
|
|
args.append('--user-data-dir="{}"'.format(user_data_dir))
|
|
elif os.path.exists(default_profile):
|
|
args.append('--user-data-dir="{}"'.format(default_profile))
|
|
return args
|