mirror of
https://github.com/ArchiveBox/ArchiveBox
synced 2024-11-23 04:33:11 +00:00
694 lines
21 KiB
Python
694 lines
21 KiB
Python
import os
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from typing import Dict, List, Tuple, Optional
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from collections import defaultdict
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from datetime import datetime
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from .schema import Link, ArchiveResult, ArchiveOutput
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from .index import (
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write_link_index,
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patch_links_index,
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load_json_link_index,
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)
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from .config import (
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CURL_BINARY,
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GIT_BINARY,
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WGET_BINARY,
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YOUTUBEDL_BINARY,
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FETCH_FAVICON,
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FETCH_TITLE,
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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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SUBMIT_ARCHIVE_DOT_ORG,
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TIMEOUT,
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MEDIA_TIMEOUT,
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GIT_DOMAINS,
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VERSION,
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WGET_USER_AGENT,
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CHECK_SSL_VALIDITY,
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COOKIES_FILE,
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CURL_VERSION,
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WGET_VERSION,
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CHROME_VERSION,
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GIT_VERSION,
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YOUTUBEDL_VERSION,
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WGET_AUTO_COMPRESSION,
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)
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from .util import (
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enforce_types,
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domain,
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extension,
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without_query,
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without_fragment,
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fetch_page_title,
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is_static_file,
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TimedProgress,
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chmod_file,
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wget_output_path,
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chrome_args,
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run, PIPE, DEVNULL,
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)
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from .logs import (
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log_link_archiving_started,
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log_link_archiving_finished,
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log_archive_method_started,
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log_archive_method_finished,
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)
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class ArchiveError(Exception):
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def __init__(self, message, hints=None):
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super().__init__(message)
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self.hints = hints
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@enforce_types
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def archive_link(link: Link, link_dir: Optional[str]=None) -> Link:
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"""download the DOM, PDF, and a screenshot into a folder named after the link's timestamp"""
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ARCHIVE_METHODS = (
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('title', should_fetch_title, fetch_title),
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('favicon', should_fetch_favicon, fetch_favicon),
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('wget', should_fetch_wget, fetch_wget),
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('pdf', should_fetch_pdf, fetch_pdf),
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('screenshot', should_fetch_screenshot, fetch_screenshot),
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('dom', should_fetch_dom, fetch_dom),
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('git', should_fetch_git, fetch_git),
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('media', should_fetch_media, fetch_media),
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('archive_org', should_fetch_archive_dot_org, archive_dot_org),
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)
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link_dir = link_dir or link.link_dir
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try:
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is_new = not os.path.exists(link_dir)
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if is_new:
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os.makedirs(link_dir)
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link = load_json_link_index(link, link_dir=link_dir)
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log_link_archiving_started(link, link_dir, is_new)
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link = link.overwrite(updated=datetime.now())
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stats = {'skipped': 0, 'succeeded': 0, 'failed': 0}
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for method_name, should_run, method_function in ARCHIVE_METHODS:
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try:
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if method_name not in link.history:
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link.history[method_name] = []
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if should_run(link, link_dir):
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log_archive_method_started(method_name)
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result = method_function(link=link, link_dir=link_dir)
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link.history[method_name].append(result)
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stats[result.status] += 1
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log_archive_method_finished(result)
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else:
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stats['skipped'] += 1
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except Exception as e:
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raise Exception('Exception in archive_methods.fetch_{}(Link(url={}))'.format(
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method_name,
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link.url,
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)) from e
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# print(' ', stats)
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write_link_index(link, link_dir=link.link_dir)
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patch_links_index(link)
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# # If any changes were made, update the main links index json and html
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# was_changed = stats['succeeded'] or stats['failed']
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# if was_changed:
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# patch_links_index(link)
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log_link_archiving_finished(link, link.link_dir, is_new, stats)
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except KeyboardInterrupt:
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try:
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write_link_index(link, link_dir=link.link_dir)
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except:
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pass
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raise
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except Exception as err:
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print(' ! Failed to archive link: {}: {}'.format(err.__class__.__name__, err))
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raise
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return link
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### Archive Method Functions
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@enforce_types
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def should_fetch_title(link: Link, link_dir: Optional[str]=None) -> bool:
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# if link already has valid title, skip it
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if link.title and not link.title.lower().startswith('http'):
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return False
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if is_static_file(link.url):
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return False
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return FETCH_TITLE
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@enforce_types
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def fetch_title(link: Link, link_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
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"""try to guess the page's title from its content"""
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output: ArchiveOutput = None
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cmd = [
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CURL_BINARY,
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link.url,
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'|',
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'grep',
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'<title',
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]
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status = 'succeeded'
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timer = TimedProgress(timeout, prefix=' ')
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try:
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output = fetch_page_title(link.url, timeout=timeout, progress=False)
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if not output:
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raise ArchiveError('Unable to detect page title')
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except Exception as err:
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status = 'failed'
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output = err
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finally:
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timer.end()
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return ArchiveResult(
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cmd=cmd,
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pwd=link_dir,
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cmd_version=CURL_VERSION,
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output=output,
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status=status,
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**timer.stats,
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)
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@enforce_types
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def should_fetch_favicon(link: Link, link_dir: Optional[str]=None) -> bool:
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link_dir = link_dir or link.link_dir
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if os.path.exists(os.path.join(link_dir, 'favicon.ico')):
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return False
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return FETCH_FAVICON
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@enforce_types
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def fetch_favicon(link: Link, link_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
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"""download site favicon from google's favicon api"""
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link_dir = link_dir or link.link_dir
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output: ArchiveOutput = 'favicon.ico'
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cmd = [
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CURL_BINARY,
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'--max-time', str(timeout),
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'--location',
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'--output', str(output),
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*([] if CHECK_SSL_VALIDITY else ['--insecure']),
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'https://www.google.com/s2/favicons?domain={}'.format(domain(link.url)),
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]
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status = 'succeeded'
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timer = TimedProgress(timeout, prefix=' ')
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try:
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run(cmd, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout)
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chmod_file(output, cwd=link_dir)
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except Exception as err:
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status = 'failed'
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output = err
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finally:
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timer.end()
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return ArchiveResult(
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cmd=cmd,
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pwd=link_dir,
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cmd_version=CURL_VERSION,
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output=output,
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status=status,
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**timer.stats,
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)
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@enforce_types
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def should_fetch_wget(link: Link, link_dir: Optional[str]=None) -> bool:
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output_path = wget_output_path(link)
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link_dir = link_dir or link.link_dir
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if output_path and os.path.exists(os.path.join(link_dir, output_path)):
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return False
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return FETCH_WGET
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@enforce_types
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def fetch_wget(link: Link, link_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
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"""download full site using wget"""
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link_dir = link_dir or link.link_dir
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if FETCH_WARC:
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warc_dir = os.path.join(link_dir, 'warc')
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os.makedirs(warc_dir, exist_ok=True)
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warc_path = os.path.join('warc', str(int(datetime.now().timestamp())))
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# WGET CLI Docs: https://www.gnu.org/software/wget/manual/wget.html
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output: ArchiveOutput = None
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cmd = [
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WGET_BINARY,
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# '--server-response', # print headers for better error parsing
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'--no-verbose',
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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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'-e', 'robots=off',
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'--restrict-file-names=windows',
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'--timeout={}'.format(timeout),
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*([] if FETCH_WARC else ['--timestamping']),
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*(['--warc-file={}'.format(warc_path)] if FETCH_WARC else []),
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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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*(['--load-cookies', COOKIES_FILE] if COOKIES_FILE else []),
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*(['--compression=auto'] if WGET_AUTO_COMPRESSION else []),
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*([] if CHECK_SSL_VALIDITY else ['--no-check-certificate', '--no-hsts']),
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link.url,
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]
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status = 'succeeded'
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timer = TimedProgress(timeout, prefix=' ')
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try:
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result = run(cmd, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout)
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output = wget_output_path(link)
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# parse out number of files downloaded from last line of stderr:
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# "Downloaded: 76 files, 4.0M in 1.6s (2.52 MB/s)"
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output_tail = [
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line.strip()
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for line in (result.stdout + result.stderr).decode().rsplit('\n', 3)[-3:]
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if line.strip()
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]
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files_downloaded = (
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int(output_tail[-1].strip().split(' ', 2)[1] or 0)
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if 'Downloaded:' in output_tail[-1]
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else 0
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)
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# Check for common failure cases
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if result.returncode > 0 and files_downloaded < 1:
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hints = (
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'Got wget response code: {}.'.format(result.returncode),
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*output_tail,
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)
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if b'403: Forbidden' in result.stderr:
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raise ArchiveError('403 Forbidden (try changing WGET_USER_AGENT)', hints)
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if b'404: Not Found' in result.stderr:
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raise ArchiveError('404 Not Found', hints)
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if b'ERROR 500: Internal Server Error' in result.stderr:
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raise ArchiveError('500 Internal Server Error', hints)
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raise ArchiveError('Got an error from the server', hints)
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except Exception as err:
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status = 'failed'
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output = err
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finally:
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timer.end()
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return ArchiveResult(
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cmd=cmd,
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pwd=link_dir,
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cmd_version=WGET_VERSION,
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output=output,
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status=status,
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**timer.stats,
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)
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@enforce_types
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def should_fetch_pdf(link: Link, link_dir: Optional[str]=None) -> bool:
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link_dir = link_dir or link.link_dir
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if is_static_file(link.url):
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return False
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if os.path.exists(os.path.join(link_dir, 'output.pdf')):
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return False
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return FETCH_PDF
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@enforce_types
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def fetch_pdf(link: Link, link_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
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"""print PDF of site to file using chrome --headless"""
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link_dir = link_dir or link.link_dir
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output: ArchiveOutput = 'output.pdf'
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cmd = [
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*chrome_args(TIMEOUT=timeout),
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'--print-to-pdf',
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link.url,
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]
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status = 'succeeded'
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timer = TimedProgress(timeout, prefix=' ')
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try:
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result = run(cmd, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout)
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if result.returncode:
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hints = (result.stderr or result.stdout).decode()
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raise ArchiveError('Failed to print PDF', hints)
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chmod_file('output.pdf', cwd=link_dir)
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except Exception as err:
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status = 'failed'
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output = err
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finally:
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timer.end()
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return ArchiveResult(
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cmd=cmd,
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pwd=link_dir,
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cmd_version=CHROME_VERSION,
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output=output,
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status=status,
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**timer.stats,
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)
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@enforce_types
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def should_fetch_screenshot(link: Link, link_dir: Optional[str]=None) -> bool:
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link_dir = link_dir or link.link_dir
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if is_static_file(link.url):
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return False
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if os.path.exists(os.path.join(link_dir, 'screenshot.png')):
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return False
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return FETCH_SCREENSHOT
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@enforce_types
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def fetch_screenshot(link: Link, link_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
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"""take screenshot of site using chrome --headless"""
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link_dir = link_dir or link.link_dir
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output: ArchiveOutput = 'screenshot.png'
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cmd = [
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*chrome_args(TIMEOUT=timeout),
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'--screenshot',
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link.url,
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]
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status = 'succeeded'
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timer = TimedProgress(timeout, prefix=' ')
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try:
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result = run(cmd, stdout=PIPE, stderr=PIPE, cwd=link_dir, timeout=timeout)
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if result.returncode:
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hints = (result.stderr or result.stdout).decode()
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raise ArchiveError('Failed to take screenshot', hints)
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chmod_file(output, cwd=link_dir)
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except Exception as err:
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status = 'failed'
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output = err
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finally:
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timer.end()
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return ArchiveResult(
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cmd=cmd,
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pwd=link_dir,
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cmd_version=CHROME_VERSION,
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output=output,
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status=status,
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**timer.stats,
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)
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@enforce_types
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def should_fetch_dom(link: Link, link_dir: Optional[str]=None) -> bool:
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link_dir = link_dir or link.link_dir
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if is_static_file(link.url):
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return False
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if os.path.exists(os.path.join(link_dir, 'output.html')):
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return False
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return FETCH_DOM
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@enforce_types
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def fetch_dom(link: Link, link_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
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"""print HTML of site to file using chrome --dump-html"""
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link_dir = link_dir or link.link_dir
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output: ArchiveOutput = 'output.html'
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output_path = os.path.join(link_dir, str(output))
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cmd = [
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*chrome_args(TIMEOUT=timeout),
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'--dump-dom',
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link.url
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]
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status = 'succeeded'
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timer = TimedProgress(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)
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if result.returncode:
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hints = result.stderr.decode()
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raise ArchiveError('Failed to fetch DOM', hints)
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chmod_file(output, cwd=link_dir)
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except Exception as err:
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status = 'failed'
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output = err
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finally:
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timer.end()
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return ArchiveResult(
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cmd=cmd,
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pwd=link_dir,
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cmd_version=CHROME_VERSION,
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output=output,
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status=status,
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**timer.stats,
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)
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@enforce_types
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def should_fetch_git(link: Link, link_dir: Optional[str]=None) -> bool:
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link_dir = link_dir or link.link_dir
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if is_static_file(link.url):
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return False
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if os.path.exists(os.path.join(link_dir, 'git')):
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return False
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is_clonable_url = (
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(domain(link.url) in GIT_DOMAINS)
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or (extension(link.url) == 'git')
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)
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if not is_clonable_url:
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return False
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return FETCH_GIT
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@enforce_types
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def fetch_git(link: Link, link_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
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"""download full site using git"""
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link_dir = link_dir or link.link_dir
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output: ArchiveOutput = 'git'
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output_path = os.path.join(link_dir, str(output))
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os.makedirs(output_path, exist_ok=True)
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cmd = [
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GIT_BINARY,
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'clone',
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'--mirror',
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'--recursive',
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*([] if CHECK_SSL_VALIDITY else ['-c', 'http.sslVerify=false']),
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without_query(without_fragment(link.url)),
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]
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status = 'succeeded'
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timer = TimedProgress(timeout, prefix=' ')
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try:
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result = run(cmd, stdout=PIPE, stderr=PIPE, cwd=output_path, timeout=timeout + 1)
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if result.returncode == 128:
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# ignore failed re-download when the folder already exists
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pass
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elif result.returncode > 0:
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hints = 'Got git response code: {}.'.format(result.returncode)
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raise ArchiveError('Failed git download', hints)
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except Exception as err:
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status = 'failed'
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output = err
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finally:
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timer.end()
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return ArchiveResult(
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cmd=cmd,
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pwd=link_dir,
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cmd_version=GIT_VERSION,
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output=output,
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status=status,
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**timer.stats,
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)
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@enforce_types
|
|
def should_fetch_media(link: Link, link_dir: Optional[str]=None) -> bool:
|
|
link_dir = link_dir or link.link_dir
|
|
|
|
if is_static_file(link.url):
|
|
return False
|
|
|
|
if os.path.exists(os.path.join(link_dir, 'media')):
|
|
return False
|
|
|
|
return FETCH_MEDIA
|
|
|
|
@enforce_types
|
|
def fetch_media(link: Link, link_dir: Optional[str]=None, timeout: int=MEDIA_TIMEOUT) -> ArchiveResult:
|
|
"""Download playlists or individual video, audio, and subtitles using youtube-dl"""
|
|
|
|
link_dir = link_dir or link.link_dir
|
|
output: ArchiveOutput = 'media'
|
|
output_path = os.path.join(link_dir, str(output))
|
|
os.makedirs(output_path, exist_ok=True)
|
|
cmd = [
|
|
YOUTUBEDL_BINARY,
|
|
'--write-description',
|
|
'--write-info-json',
|
|
'--write-annotations',
|
|
'--yes-playlist',
|
|
'--write-thumbnail',
|
|
'--no-call-home',
|
|
'--no-check-certificate',
|
|
'--user-agent',
|
|
'--all-subs',
|
|
'--extract-audio',
|
|
'--keep-video',
|
|
'--ignore-errors',
|
|
'--geo-bypass',
|
|
'--audio-format', 'mp3',
|
|
'--audio-quality', '320K',
|
|
'--embed-thumbnail',
|
|
'--add-metadata',
|
|
*([] if CHECK_SSL_VALIDITY else ['--no-check-certificate']),
|
|
link.url,
|
|
]
|
|
status = 'succeeded'
|
|
timer = TimedProgress(timeout, prefix=' ')
|
|
try:
|
|
result = run(cmd, stdout=PIPE, stderr=PIPE, cwd=output_path, timeout=timeout + 1)
|
|
chmod_file(output, cwd=link_dir)
|
|
if result.returncode:
|
|
if (b'ERROR: Unsupported URL' in result.stderr
|
|
or b'HTTP Error 404' in result.stderr
|
|
or b'HTTP Error 403' in result.stderr
|
|
or b'URL could be a direct video link' in result.stderr
|
|
or b'Unable to extract container ID' in result.stderr):
|
|
# These happen too frequently on non-media pages to warrant printing to console
|
|
pass
|
|
else:
|
|
hints = (
|
|
'Got youtube-dl response code: {}.'.format(result.returncode),
|
|
*result.stderr.decode().split('\n'),
|
|
)
|
|
raise ArchiveError('Failed to download media', hints)
|
|
except Exception as err:
|
|
status = 'failed'
|
|
output = err
|
|
finally:
|
|
timer.end()
|
|
|
|
return ArchiveResult(
|
|
cmd=cmd,
|
|
pwd=link_dir,
|
|
cmd_version=YOUTUBEDL_VERSION,
|
|
output=output,
|
|
status=status,
|
|
**timer.stats,
|
|
)
|
|
|
|
|
|
@enforce_types
|
|
def should_fetch_archive_dot_org(link: Link, link_dir: Optional[str]=None) -> bool:
|
|
link_dir = link_dir or link.link_dir
|
|
if is_static_file(link.url):
|
|
return False
|
|
|
|
if os.path.exists(os.path.join(link_dir, 'archive.org.txt')):
|
|
# if open(path, 'r').read().strip() != 'None':
|
|
return False
|
|
|
|
return SUBMIT_ARCHIVE_DOT_ORG
|
|
|
|
@enforce_types
|
|
def archive_dot_org(link: Link, link_dir: Optional[str]=None, timeout: int=TIMEOUT) -> ArchiveResult:
|
|
"""submit site to archive.org for archiving via their service, save returned archive url"""
|
|
|
|
link_dir = link_dir or link.link_dir
|
|
output: ArchiveOutput = 'archive.org.txt'
|
|
archive_org_url = None
|
|
submit_url = 'https://web.archive.org/save/{}'.format(link.url)
|
|
cmd = [
|
|
CURL_BINARY,
|
|
'--location',
|
|
'--head',
|
|
'--user-agent', 'ArchiveBox/{} (+https://github.com/pirate/ArchiveBox/)'.format(VERSION), # be nice to the Archive.org people and show them where all this ArchiveBox traffic is coming from
|
|
'--max-time', str(timeout),
|
|
*([] if CHECK_SSL_VALIDITY else ['--insecure']),
|
|
submit_url,
|
|
]
|
|
status = 'succeeded'
|
|
timer = TimedProgress(timeout, prefix=' ')
|
|
try:
|
|
result = run(cmd, stdout=PIPE, stderr=DEVNULL, cwd=link_dir, timeout=timeout)
|
|
content_location, errors = parse_archive_dot_org_response(result.stdout)
|
|
if content_location:
|
|
archive_org_url = 'https://web.archive.org{}'.format(content_location[0])
|
|
elif len(errors) == 1 and 'RobotAccessControlException' in errors[0]:
|
|
archive_org_url = None
|
|
# raise ArchiveError('Archive.org denied by {}/robots.txt'.format(domain(link.url)))
|
|
elif errors:
|
|
raise ArchiveError(', '.join(errors))
|
|
else:
|
|
raise ArchiveError('Failed to find "content-location" URL header in Archive.org response.')
|
|
except Exception as err:
|
|
status = 'failed'
|
|
output = err
|
|
finally:
|
|
timer.end()
|
|
|
|
if output and not isinstance(output, Exception):
|
|
# instead of writing None when archive.org rejects the url write the
|
|
# url to resubmit it to archive.org. This is so when the user visits
|
|
# the URL in person, it will attempt to re-archive it, and it'll show the
|
|
# nicer error message explaining why the url was rejected if it fails.
|
|
archive_org_url = archive_org_url or submit_url
|
|
with open(os.path.join(link_dir, str(output)), 'w', encoding='utf-8') as f:
|
|
f.write(archive_org_url)
|
|
chmod_file('archive.org.txt', cwd=link_dir)
|
|
output = archive_org_url
|
|
|
|
return ArchiveResult(
|
|
cmd=cmd,
|
|
pwd=link_dir,
|
|
cmd_version=CURL_VERSION,
|
|
output=output,
|
|
status=status,
|
|
**timer.stats,
|
|
)
|
|
|
|
@enforce_types
|
|
def parse_archive_dot_org_response(response: bytes) -> Tuple[List[str], List[str]]:
|
|
# Parse archive.org response headers
|
|
headers: Dict[str, List[str]] = defaultdict(list)
|
|
|
|
# lowercase all the header names and store in dict
|
|
for header in response.splitlines():
|
|
if b':' not in header or not header.strip():
|
|
continue
|
|
name, val = header.decode().split(':', 1)
|
|
headers[name.lower().strip()].append(val.strip())
|
|
|
|
# Get successful archive url in "content-location" header or any errors
|
|
content_location = headers['content-location']
|
|
errors = headers['x-archive-wayback-runtime-error']
|
|
return content_location, errors
|