ArchiveBox/archivebox/legacy/main.py

305 lines
10 KiB
Python

import os
import re
import shutil
from typing import List, Optional, Iterable
from .schema import Link
from .util import (
enforce_types,
TimedProgress,
get_dir_size,
human_readable_size,
)
from .index import (
links_after_timestamp,
load_main_index,
import_new_links,
write_main_index,
)
from .archive_methods import archive_link
from .config import (
stderr,
ANSI,
ONLY_NEW,
OUTPUT_DIR,
SOURCES_DIR,
ARCHIVE_DIR,
LOGS_DIR,
JSON_INDEX_FILENAME,
SQL_INDEX_FILENAME,
check_dependencies,
check_data_folder,
setup_django,
)
from .logs import (
log_archiving_started,
log_archiving_paused,
log_archiving_finished,
log_removal_started,
log_removal_finished,
log_list_started,
log_list_finished,
)
ALLOWED_IN_OUTPUT_DIR = {
'.DS_Store',
'.venv',
'venv',
'virtualenv',
'.virtualenv',
'sources',
'archive',
'logs',
'static',
}
@enforce_types
def init():
os.makedirs(OUTPUT_DIR, exist_ok=True)
is_empty = not len(set(os.listdir(OUTPUT_DIR)) - ALLOWED_IN_OUTPUT_DIR)
existing_index = os.path.exists(os.path.join(OUTPUT_DIR, JSON_INDEX_FILENAME))
if is_empty:
print('{green}[+] Initializing new archive directory: {}{reset}'.format(OUTPUT_DIR, **ANSI))
print('{green}----------------------------------------------------------------{reset}'.format(**ANSI))
else:
if existing_index:
print('{green}[√] You already have an ArchiveBox collection in the current folder.{reset}'.format(**ANSI))
print('{green}----------------------------------------------------------------{reset}'.format(**ANSI))
print(f' {OUTPUT_DIR}')
else:
stderr(
("{red}[X] This folder appears to have non-ArchiveBox files in it. You must run 'archivebox init' inside a completely empty directory.{reset}"
"\n\n"
" {lightred}Hint:{reset} To import a data folder created by an older version of ArchiveBox, \n"
" just cd into the folder and run 'archivebox init' to pick up where you left off.\n\n"
" (Always make sure your data folder is backed up first before updating ArchiveBox)"
).format(OUTPUT_DIR, **ANSI)
)
raise SystemExit(1)
os.makedirs(SOURCES_DIR, exist_ok=True)
print(f' > {SOURCES_DIR}')
os.makedirs(ARCHIVE_DIR, exist_ok=True)
print(f' > {ARCHIVE_DIR}')
os.makedirs(LOGS_DIR, exist_ok=True)
print(f' > {LOGS_DIR}')
print('\n{green}[+] Running Django migrations...{reset}'.format(**ANSI))
setup_django(OUTPUT_DIR, check_db=False)
from django.core.management import call_command
from django.conf import settings
assert settings.DATABASE_FILE == os.path.join(OUTPUT_DIR, SQL_INDEX_FILENAME)
print(f' {settings.DATABASE_FILE}')
call_command("makemigrations", interactive=False)
call_command("migrate", interactive=False)
assert os.path.exists(settings.DATABASE_FILE)
# from django.contrib.auth.models import User
# if IS_TTY and not User.objects.filter(is_superuser=True).exists():
# print('{green}[+] Creating admin user account...{reset}'.format(**ANSI))
# call_command("createsuperuser", interactive=True)
if existing_index:
all_links = load_main_index(out_dir=OUTPUT_DIR, warn=False)
write_main_index(links=list(all_links), out_dir=OUTPUT_DIR)
else:
write_main_index([], out_dir=OUTPUT_DIR)
print('\n{green}----------------------------------------------------------------{reset}'.format(**ANSI))
print('{green}[√] Done. ArchiveBox collection is set up in the current folder.{reset}'.format(**ANSI))
print(' To add new links, you can run:')
print(" archivebox add 'https://example.com'")
print()
print(' For more usage and examples, run:')
print(' archivebox help')
@enforce_types
def info():
all_links = load_main_index(out_dir=OUTPUT_DIR)
print('{green}[*] Scanning archive collection main index with {} links:{reset}'.format(len(all_links), **ANSI))
print(f' {OUTPUT_DIR}')
num_bytes, num_dirs, num_files = get_dir_size(OUTPUT_DIR, recursive=False)
size = human_readable_size(num_bytes)
print(f' > Index Size: {size} across {num_files} files')
print()
setup_django()
from django.contrib.auth.models import User
from core.models import Page
users = User.objects.all()
num_pages = Page.objects.count()
print(f' > {len(users)} admin users:', ', '.join(u.username for u in users))
print(f' > {num_pages} pages in SQL database {SQL_INDEX_FILENAME}')
print(f' > {len(all_links)} pages in JSON database {JSON_INDEX_FILENAME}')
print()
print('{green}[*] Scanning archive collection data directory with {} entries:{reset}'.format(len(all_links), **ANSI))
print(f' {ARCHIVE_DIR}')
num_bytes, num_dirs, num_files = get_dir_size(ARCHIVE_DIR)
size = human_readable_size(num_bytes)
print(f' > Total Size: {size} across {num_files} files in {num_dirs} directories')
print()
link_data_dirs = {link.link_dir for link in all_links}
valid_archive_dirs = set()
num_invalid = 0
for entry in os.scandir(ARCHIVE_DIR):
if entry.is_dir(follow_symlinks=True):
if os.path.exists(os.path.join(entry.path, 'index.json')):
valid_archive_dirs.add(entry.path)
else:
num_invalid += 1
print(f' > {len(valid_archive_dirs)} valid archive data directories (valid directories matched to links in the index)')
num_unarchived = sum(1 for link in all_links if link.link_dir not in valid_archive_dirs)
print(f' > {num_unarchived} missing data directories (directories missing for links in the index)')
print(f' > {num_invalid} invalid data directories (directories present that don\'t contain an index file)')
num_orphaned = sum(1 for data_dir in valid_archive_dirs if data_dir not in link_data_dirs)
print(f' > {num_orphaned} orphaned data directories (directories present for links that don\'t exist in the index)')
@enforce_types
def update_archive_data(import_path: Optional[str]=None, resume: Optional[float]=None, only_new: bool=False) -> List[Link]:
"""The main ArchiveBox entrancepoint. Everything starts here."""
check_dependencies()
check_data_folder()
# Step 1: Load list of links from the existing index
# merge in and dedupe new links from import_path
all_links: List[Link] = []
new_links: List[Link] = []
all_links = load_main_index(out_dir=OUTPUT_DIR)
if import_path:
all_links, new_links = import_new_links(all_links, import_path)
# Step 2: Write updated index with deduped old and new links back to disk
write_main_index(links=list(all_links), out_dir=OUTPUT_DIR)
# Step 3: Run the archive methods for each link
links = new_links if ONLY_NEW else all_links
log_archiving_started(len(links), resume)
idx: int = 0
link: Link = None # type: ignore
try:
for idx, link in enumerate(links_after_timestamp(links, resume)):
archive_link(link, out_dir=link.link_dir)
except KeyboardInterrupt:
log_archiving_paused(len(links), idx, link.timestamp if link else '0')
raise SystemExit(0)
except:
print()
raise
log_archiving_finished(len(links))
# Step 4: Re-write links index with updated titles, icons, and resources
all_links = load_main_index(out_dir=OUTPUT_DIR)
write_main_index(links=list(all_links), out_dir=OUTPUT_DIR, finished=True)
return all_links
LINK_FILTERS = {
'exact': lambda link, pattern: (link.url == pattern) or (link.base_url == pattern),
'substring': lambda link, pattern: pattern in link.url,
'regex': lambda link, pattern: bool(re.match(pattern, link.url)),
'domain': lambda link, pattern: link.domain == pattern,
}
@enforce_types
def link_matches_filter(link: Link, filter_patterns: List[str], filter_type: str='exact') -> bool:
for pattern in filter_patterns:
if LINK_FILTERS[filter_type](link, pattern):
return True
return False
@enforce_types
def list_archive_data(filter_patterns: Optional[List[str]]=None, filter_type: str='exact',
after: Optional[float]=None, before: Optional[float]=None) -> Iterable[Link]:
all_links = load_main_index(out_dir=OUTPUT_DIR)
for link in all_links:
if after is not None and float(link.timestamp) < after:
continue
if before is not None and float(link.timestamp) > before:
continue
if filter_patterns:
if link_matches_filter(link, filter_patterns, filter_type):
yield link
else:
yield link
@enforce_types
def remove_archive_links(filter_patterns: List[str], filter_type: str='exact',
after: Optional[float]=None, before: Optional[float]=None,
yes: bool=False, delete: bool=False) -> List[Link]:
check_dependencies()
check_data_folder()
log_list_started(filter_patterns, filter_type)
timer = TimedProgress(360, prefix=' ')
try:
links = list(list_archive_data(
filter_patterns=filter_patterns,
filter_type=filter_type,
after=after,
before=before,
))
finally:
timer.end()
if not len(links):
log_removal_finished(0, 0)
raise SystemExit(1)
log_list_finished(links)
log_removal_started(links, yes=yes, delete=delete)
timer = TimedProgress(360, prefix=' ')
try:
to_keep = []
all_links = load_main_index(out_dir=OUTPUT_DIR)
for link in all_links:
should_remove = (
(after is not None and float(link.timestamp) < after)
or (before is not None and float(link.timestamp) > before)
or link_matches_filter(link, filter_patterns, filter_type)
)
if not should_remove:
to_keep.append(link)
elif should_remove and delete:
shutil.rmtree(link.link_dir)
finally:
timer.end()
write_main_index(links=to_keep, out_dir=OUTPUT_DIR, finished=True)
log_removal_finished(len(all_links), len(to_keep))
return to_keep