ArchiveBox/archivebox/extractors/__init__.py

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2019-04-27 21:26:24 +00:00
__package__ = 'archivebox.extractors'
import os
from typing import Optional
from datetime import datetime
from ..index.schema import Link
from ..index import (
load_link_details,
write_link_details,
patch_main_index,
)
from ..util import enforce_types
from ..cli.logging import (
log_link_archiving_started,
log_link_archiving_finished,
log_archive_method_started,
log_archive_method_finished,
)
from .title import should_save_title, save_title
from .favicon import should_save_favicon, save_favicon
from .wget import should_save_wget, save_wget
from .pdf import should_save_pdf, save_pdf
from .screenshot import should_save_screenshot, save_screenshot
from .dom import should_save_dom, save_dom
from .git import should_save_git, save_git
from .media import should_save_media, save_media
from .archive_org import should_save_archive_dot_org, save_archive_dot_org
@enforce_types
def archive_link(link: Link, overwrite: bool=False, out_dir: Optional[str]=None) -> Link:
"""download the DOM, PDF, and a screenshot into a folder named after the link's timestamp"""
ARCHIVE_METHODS = (
('title', should_save_title, save_title),
('favicon', should_save_favicon, save_favicon),
('wget', should_save_wget, save_wget),
('pdf', should_save_pdf, save_pdf),
('screenshot', should_save_screenshot, save_screenshot),
('dom', should_save_dom, save_dom),
('git', should_save_git, save_git),
('media', should_save_media, save_media),
('archive_org', should_save_archive_dot_org, save_archive_dot_org),
)
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out_dir = out_dir or link.link_dir
try:
is_new = not os.path.exists(out_dir)
if is_new:
os.makedirs(out_dir)
link = load_link_details(link, out_dir=out_dir)
log_link_archiving_started(link, out_dir, is_new)
link = link.overwrite(updated=datetime.now())
stats = {'skipped': 0, 'succeeded': 0, 'failed': 0}
for method_name, should_run, method_function in ARCHIVE_METHODS:
try:
if method_name not in link.history:
link.history[method_name] = []
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if should_run(link, out_dir) or overwrite:
log_archive_method_started(method_name)
result = method_function(link=link, out_dir=out_dir)
link.history[method_name].append(result)
stats[result.status] += 1
log_archive_method_finished(result)
else:
stats['skipped'] += 1
except Exception as e:
raise Exception('Exception in archive_methods.save_{}(Link(url={}))'.format(
method_name,
link.url,
)) from e
# print(' ', stats)
write_link_details(link, out_dir=link.link_dir)
patch_main_index(link)
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# # If any changes were made, update the main links index json and html
# was_changed = stats['succeeded'] or stats['failed']
# if was_changed:
# patch_main_index(link)
log_link_archiving_finished(link, link.link_dir, is_new, stats)
except KeyboardInterrupt:
try:
write_link_details(link, out_dir=link.link_dir)
except:
pass
raise
except Exception as err:
print(' ! Failed to archive link: {}: {}'.format(err.__class__.__name__, err))
raise
return link