428 lines
15 KiB
Python
428 lines
15 KiB
Python
import os
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from functools import wraps
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from datetime import datetime
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from subprocess import run, PIPE, DEVNULL
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from index import html_appended_url, 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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ARCHIVE_DIR,
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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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RESOLUTION,
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SUBMIT_ARCHIVE_DOT_ORG,
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FETCH_AUDIO,
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FETCH_VIDEO,
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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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TIMEOUT,
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ANSI,
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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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)
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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(out_dir, links, export_path, resume=None):
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check_dependencies()
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to_archive = links_after_timestamp(links, resume)
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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(out_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('{red}[X] Archive update stopped on #{idx} out of {total} links{reset}'.format(
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**ANSI,
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idx=idx,
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total=len(list(to_archive)),
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))
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print(' Continue where you left off by running:')
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print(' ./archive.py {} {}'.format(
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export_path,
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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(out_dir, link, overwrite=False):
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"""download the DOM, PDF, and a screenshot into a folder named after the link's timestamp"""
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link = {**parse_json_link_index(out_dir), **link}
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log_link_archive(out_dir, link)
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if FETCH_WGET:
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link = fetch_wget(out_dir, link, overwrite=overwrite)
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if FETCH_PDF:
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link = fetch_pdf(out_dir, link, overwrite=overwrite)
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if FETCH_SCREENSHOT:
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link = fetch_screenshot(out_dir, link, overwrite=overwrite)
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if SUBMIT_ARCHIVE_DOT_ORG:
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link = archive_dot_org(out_dir, link, overwrite=overwrite)
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# if FETCH_AUDIO:
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# link = fetch_audio(out_dir, link, overwrite=overwrite)
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# if FETCH_VIDEO:
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# link = fetch_video(out_dir, link, overwrite=overwrite)
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if FETCH_FAVICON:
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link = fetch_favicon(out_dir, link, overwrite=overwrite)
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write_link_index(out_dir, link)
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return link
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def log_link_archive(out_dir, link):
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update_existing = os.path.exists(out_dir)
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if not update_existing:
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os.makedirs(out_dir)
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print('[{symbol_color}{symbol}{reset}] [{timestamp}] "{title}": {blue}{base_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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**link,
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**ANSI,
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))
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if link['type']:
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print(' i Type: {}'.format(link['type']))
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print(' {} ({})'.format(out_dir, 'updating' if update_existing else 'creating'))
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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(out_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(' √ Skipping: {}'.format(method))
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result = None
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else:
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print(' - Fetching: {}'.format(method))
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result = fetch_func(out_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(out_dir, link, requisites=FETCH_WGET_REQUISITES, timeout=TIMEOUT):
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"""download full site using wget"""
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if os.path.exists(os.path.join(out_dir, link['domain'])):
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return {'output': html_appended_url(link), 'status': 'skipped'}
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CMD = [
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*'wget --timestamping --adjust-extension --no-parent'.split(' '), # Docs: https://www.gnu.org/software/wget/manual/wget.html
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*(('--page-requisites', '--convert-links') if FETCH_WGET_REQUISITES else ()),
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*(('--user-agent="{}"'.format(WGET_USER_AGENT),) if WGET_USER_AGENT else ()),
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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=out_dir, timeout=timeout + 1) # index.html
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end()
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output = html_appended_url(link)
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if result.returncode > 0:
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print(' got wget response code {}:'.format(result.returncode))
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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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# raise Exception('Failed to 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(out_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(out_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': html_appended_url(link)}
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if os.path.exists(os.path.join(out_dir, 'output.pdf')):
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return {'output': 'output.pdf', 'status': 'skipped'}
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CMD = [
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CHROME_BINARY,
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*'--headless --disable-gpu --print-to-pdf'.split(' '),
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*chrome_data_dir_args(user_data_dir),
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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=out_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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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(out_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(out_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': html_appended_url(link)}
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if os.path.exists(os.path.join(out_dir, 'screenshot.png')):
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return {'output': 'screenshot.png', 'status': 'skipped'}
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CMD = [
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CHROME_BINARY,
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*'--headless --disable-gpu --screenshot'.split(' '),
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*chrome_data_dir_args(user_data_dir),
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'--window-size={}'.format(resolution),
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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=out_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=out_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(out_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(out_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(out_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'].split('?', 1)[0])
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success = False
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CMD = ['curl', '-I', 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=out_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 = result.stdout.splitlines()
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content_location = [h for h in headers if b'Content-Location: ' in h]
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errors = [h for h in headers if h and b'X-Archive-Wayback-Runtime-Error: ' in h]
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if content_location:
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archive_path = content_location[0].split(b'Content-Location: ', 1)[-1].decode('utf-8')
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saved_url = 'https://web.archive.org{}'.format(archive_path)
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success = True
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elif len(errors) == 1 and b'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(e.decode() for e in 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(out_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=out_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(out_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(out_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(out_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=out_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=out_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('audio')
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# def fetch_audio(out_dir, link, timeout=TIMEOUT):
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# """Download audio rip using youtube-dl"""
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# if link['type'] not in ('soundcloud',)\
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# and 'audio' not in link['tags']:
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# return
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# path = os.path.join(out_dir, 'audio')
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# if not os.path.exists(path) or overwrite:
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# print(' - Downloading audio')
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# CMD = [
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# "youtube-dl -x --audio-format mp3 --audio-quality 0 -o '%(title)s.%(ext)s'",
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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=DEVNULL, stderr=DEVNULL, cwd=out_dir, timeout=timeout + 1) # audio/audio.mp3
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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 download audio')
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# chmod_file('audio.mp3', cwd=out_dir)
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# return 'audio.mp3'
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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(out_dir, ' '.join(CMD)))
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# print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
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# raise
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# else:
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# print(' √ Skipping audio download')
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# @attach_result_to_link('video')
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# def fetch_video(out_dir, link, timeout=TIMEOUT):
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# """Download video rip using youtube-dl"""
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# if link['type'] not in ('youtube', 'youku', 'vimeo')\
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# and 'video' not in link['tags']:
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# return
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# path = os.path.join(out_dir, 'video')
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# if not os.path.exists(path) or overwrite:
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# print(' - Downloading video')
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# CMD = [
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# "youtube-dl -x --video-format mp4 --audio-quality 0 -o '%(title)s.%(ext)s'",
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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=DEVNULL, stderr=DEVNULL, cwd=out_dir, timeout=timeout + 1) # video/movie.mp4
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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 download video')
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# chmod_file('video.mp4', cwd=out_dir)
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# return 'video.mp4'
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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(out_dir, ' '.join(CMD)))
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# print(' {}Failed: {} {}{}'.format(ANSI['red'], e.__class__.__name__, e, ANSI['reset']))
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# raise
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# else:
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# print(' √ Skipping video download')
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def chrome_data_dir_args(user_data_dir=CHROME_USER_DATA_DIR):
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default = os.path.expanduser('~/Library/Application Support/Google/Chrome/Default')
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if user_data_dir:
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return ('--user-data-dir={}'.format(user_data_dir),)
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elif os.path.exists(default):
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return ('--user-data-dir={}'.format(default),)
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return ()
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