111 lines
3.2 KiB
Python
111 lines
3.2 KiB
Python
__package__ = 'archivebox.index'
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from io import StringIO
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from pathlib import Path
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from typing import List, Tuple, Iterator
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from django.db.models import QuerySet
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from .schema import Link
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from ..util import enforce_types
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from ..config import OUTPUT_DIR
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### Main Links Index
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@enforce_types
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def parse_sql_main_index(out_dir: Path=OUTPUT_DIR) -> Iterator[Link]:
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from core.models import Snapshot
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return (
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Link.from_json(page.as_json(*Snapshot.keys))
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for page in Snapshot.objects.all()
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)
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@enforce_types
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def remove_from_sql_main_index(snapshots: QuerySet, out_dir: Path=OUTPUT_DIR) -> None:
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from django.db import transaction
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with transaction.atomic():
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snapshots.delete()
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@enforce_types
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def write_link_to_sql_index(link: Link):
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from core.models import Snapshot
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info = {k: v for k, v in link._asdict().items() if k in Snapshot.keys}
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tags = info.pop("tags")
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if tags is None:
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tags = []
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try:
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info["timestamp"] = Snapshot.objects.get(url=link.url).timestamp
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except Snapshot.DoesNotExist:
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while Snapshot.objects.filter(timestamp=info["timestamp"]).exists():
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info["timestamp"] = str(float(info["timestamp"]) + 1.0)
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snapshot, _ = Snapshot.objects.update_or_create(url=link.url, defaults=info)
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snapshot.save_tags(tags)
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return snapshot
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@enforce_types
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def write_sql_main_index(links: List[Link], out_dir: Path=OUTPUT_DIR) -> None:
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from django.db import transaction
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with transaction.atomic():
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for link in links:
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write_link_to_sql_index(link)
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@enforce_types
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def write_sql_link_details(link: Link, out_dir: Path=OUTPUT_DIR) -> None:
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from core.models import Snapshot
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from django.db import transaction
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with transaction.atomic():
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try:
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snap = Snapshot.objects.get(url=link.url)
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except Snapshot.DoesNotExist:
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snap = write_link_to_sql_index(link)
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snap.title = link.title
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tag_set = (
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set(tag.strip() for tag in (link.tags or '').split(','))
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)
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tag_list = list(tag_set) or []
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snap.save()
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snap.save_tags(tag_list)
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@enforce_types
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def list_migrations(out_dir: Path=OUTPUT_DIR) -> List[Tuple[bool, str]]:
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from django.core.management import call_command
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out = StringIO()
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call_command("showmigrations", list=True, stdout=out)
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out.seek(0)
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migrations = []
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for line in out.readlines():
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if line.strip() and ']' in line:
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status_str, name_str = line.strip().split(']', 1)
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is_applied = 'X' in status_str
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migration_name = name_str.strip()
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migrations.append((is_applied, migration_name))
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return migrations
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@enforce_types
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def apply_migrations(out_dir: Path=OUTPUT_DIR) -> List[str]:
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from django.core.management import call_command
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null, out = StringIO(), StringIO()
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call_command("makemigrations", interactive=False, stdout=null)
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call_command("migrate", interactive=False, stdout=out)
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out.seek(0)
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return [line.strip() for line in out.readlines() if line.strip()]
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@enforce_types
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def get_admins(out_dir: Path=OUTPUT_DIR) -> List[str]:
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from django.contrib.auth.models import User
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return User.objects.filter(is_superuser=True)
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