Differential D5171 Diff 18507 swh/web/browse/snapshot_context.py

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swh/web/browse/snapshot_context.py

# Copyright (C) 2018-2020 The Software Heritage developers		# Copyright (C) 2018-2020 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution		# See the AUTHORS file at the top-level directory of this distribution
# License: GNU Affero General Public License version 3, or any later version		# License: GNU Affero General Public License version 3, or any later version
# See top-level LICENSE file for more information		# See top-level LICENSE file for more information

# Utility module for browsing the archive in a snapshot context.		# Utility module for browsing the archive in a snapshot context.

from collections import defaultdict		from collections import defaultdict
from typing import Any, Dict, List, Optional, Tuple		from typing import Any, Dict, List, Optional, Tuple

from django.core.cache import cache		from django.core.cache import cache
from django.shortcuts import render		from django.shortcuts import render
from django.template.defaultfilters import filesizeformat		from django.template.defaultfilters import filesizeformat
from django.utils.html import escape		from django.utils.html import escape

from swh.model.identifiers import CONTENT, DIRECTORY, RELEASE, REVISION, SNAPSHOT, swhid		from swh.model.hashutil import hash_to_bytes
		from swh.model.identifiers import (
		CONTENT,
		DIRECTORY,
		RELEASE,
		REVISION,
		SNAPSHOT,
		CoreSWHID,
		ObjectType,
		)
from swh.model.model import Snapshot		from swh.model.model import Snapshot
from swh.web.browse.utils import (		from swh.web.browse.utils import (
content_display_max_size,		content_display_max_size,
format_log_entries,		format_log_entries,
gen_content_link,		gen_content_link,
gen_release_link,		gen_release_link,
gen_revision_link,		gen_revision_link,
gen_revision_log_link,		gen_revision_log_link,
▲ Show 20 Lines • Show All 470 Lines • ▼ Show 20 Lines	) -> SnapshotContext:
snapshot_sizes_cache_id = f"swh_snapshot_{snapshot_id}_sizes"		snapshot_sizes_cache_id = f"swh_snapshot_{snapshot_id}_sizes"
snapshot_sizes = cache.get(snapshot_sizes_cache_id)		snapshot_sizes = cache.get(snapshot_sizes_cache_id)
if snapshot_sizes is None:		if snapshot_sizes is None:
snapshot_sizes = archive.lookup_snapshot_sizes(snapshot_id)		snapshot_sizes = archive.lookup_snapshot_sizes(snapshot_id)
cache.set(snapshot_sizes_cache_id, snapshot_sizes)		cache.set(snapshot_sizes_cache_id, snapshot_sizes)

is_empty = (snapshot_sizes["release"] + snapshot_sizes["revision"]) == 0		is_empty = (snapshot_sizes["release"] + snapshot_sizes["revision"]) == 0

swh_snp_id = swhid("snapshot", snapshot_id)		swh_snp_id = str(
		CoreSWHID(object_type=ObjectType.SNAPSHOT, object_id=hash_to_bytes(snapshot_id))
		)

if visit_info:		if visit_info:
timestamp = format_utc_iso_date(visit_info["date"])		timestamp = format_utc_iso_date(visit_info["date"])

if origin_info:		if origin_info:
browse_view_name = f"browse-origin-{browse_context}"		browse_view_name = f"browse-origin-{browse_context}"
else:		else:
browse_view_name = f"browse-snapshot-{browse_context}"		browse_view_name = f"browse-snapshot-{browse_context}"
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