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https://github.com/ArchiveBox/ArchiveBox
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feat: Use prefetch related to reduce the number of queries to the database on public index view
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Cristian
parent
8cfad64271
commit
c565fad75c
2 changed files with 27 additions and 57 deletions
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@ -1,15 +1,16 @@
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from django.utils.html import format_html
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from core.models import Snapshot, EXTRACTORS
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from core.settings import DEBUG
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from pathlib import Path
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def get_icons(snapshot: Snapshot) -> str:
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archive_results = snapshot.archiveresult_set
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archive_results = list(snapshot.archiveresult_set.all())
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link = snapshot.as_link()
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canon = link.canonical_outputs()
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output = ""
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output_template = '<a href="/{}/{}" class="exists-{}" title="{}">{} </a>'
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output_template = '<a href="/{}/{}" class="exists-True" title="{}">{} </a>'
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icons = {
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"singlefile": "❶",
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"wget": "🆆",
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@ -27,62 +28,30 @@ def get_icons(snapshot: Snapshot) -> str:
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# Missing specific entry for WARC
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for extractor, _ in EXTRACTORS:
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result = archive_results.filter(extractor=extractor, status="succeeded")
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path, exists = link.archive_path, result.exists()
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try:
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if extractor not in exclude:
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output += output_template.format(path, canon[f"{extractor}_path"],
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exists, extractor, icons.get(extractor, "?"))
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if extractor == "wget":
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# warc isn't technically it's own extractor, so we have to add it after wget
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exists = list((Path(path) / canon["warc_path"]).glob("*.warc.gz"))
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if exists:
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output += output_template.format(exists[0], "",
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True, "warc", icons.get("warc", "?"))
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for result in archive_results:
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if result.extractor != extractor or result.status != "succeeded":
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continue
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path = link.archive_path
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try:
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if extractor not in exclude:
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output += output_template.format(path, canon[f"{extractor}_path"],
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extractor, icons.get(extractor, "?"))
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if extractor == "wget":
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# warc isn't technically it's own extractor, so we have to add it after wget
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exists = list((Path(path) / canon["warc_path"]).glob("*.warc.gz"))
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if exists:
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output += output_template.format(exists[0], "",
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"warc", icons.get("warc", "?"))
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if extractor == "archive_org" and exists:
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# The check for archive_org is different, so it has to be handled separately
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target_path = Path(path) / "archive.org.txt"
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exists = target_path.exists()
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if exists:
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output += '<a href="{}" class="exists-{}" title="{}">{} </a>'.format(canon["archive_org_path"],
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True, "archive_org", icons.get("archive_org", "?"))
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if extractor == "archive_org":
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# The check for archive_org is different, so it has to be handled separately
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target_path = Path(path) / "archive.org.txt"
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exists = target_path.exists()
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if exists:
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output += '<a href="{}" class="exists-True" title="{}">{} </a>'.format(canon["archive_org_path"],
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"archive_org", icons.get("archive_org", "?"))
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except Exception as e:
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print(e)
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except Exception as e:
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print(e)
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return format_html(f'<span class="files-icons" style="font-size: 1.2em; opacity: 0.8">{output}<span>')
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#def get_icons(snapshot: Snapshot) -> str:
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# link = snapshot.as_link()
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# canon = link.canonical_outputs()
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# out_dir = Path(link.link_dir)
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#
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# # slow version: highlights icons based on whether files exist or not for that output
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# # link_tuple = lambda link, method: (link.archive_path, canon[method] or '', canon[method] and (out_dir / (canon[method] or 'notdone')).exists())
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# # fast version: all icons are highlighted without checking for outputs in filesystem
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# link_tuple = lambda link, method: (link.archive_path, canon[method] or '', canon[method] and (out_dir / (canon[method] or 'notdone')).exists())
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#
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# return format_html(
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# '<span class="files-icons" style="font-size: 1.2em; opacity: 0.8">'
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# '<a href="/{}/{}" class="exists-{}" title="SingleFile">❶ </a>'
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# '<a href="/{}/{}" class="exists-{}" title="Wget clone">🆆 </a> '
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# '<a href="/{}/{}" class="exists-{}" title="HTML dump">🅷 </a> '
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# '<a href="/{}/{}" class="exists-{}" title="PDF">📄 </a> '
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# '<a href="/{}/{}" class="exists-{}" title="Screenshot">💻 </a> '
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# '<a href="/{}/{}" class="exists-{}" title="WARC">📦 </a> '
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# '<a href="/{}/{}/" class="exists-{}" title="Media files">📼 </a> '
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# '<a href="/{}/{}/" class="exists-{}" title="Git repos">🅶 </a> '
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# '<a href="{}" class="exists-{}" title="Archive.org snapshot">🏛 </a> '
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# '</span>',
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# *link_tuple(link, 'singlefile_path'),
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# *link_tuple(link, 'wget_path')[:2], any((out_dir / link.domain).glob('*')),
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# *link_tuple(link, 'pdf_path'),
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# *link_tuple(link, 'screenshot_path'),
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# *link_tuple(link, 'dom_path'),
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# *link_tuple(link, 'warc_path')[:2], any((out_dir / canon['warc_path']).glob('*.warc.gz')),
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# *link_tuple(link, 'media_path')[:2], any((out_dir / canon['media_path']).glob('*')),
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# *link_tuple(link, 'git_path')[:2], any((out_dir / canon['git_path']).glob('*')),
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# canon['archive_org_path'], (out_dir / 'archive.org.txt').exists(),
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# )
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#
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@ -98,6 +98,7 @@ class PublicArchiveView(ListView):
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query = self.request.GET.get('q')
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if query:
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qs = Snapshot.objects.filter(title__icontains=query)
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qs = qs.prefetch_related("archiveresult_set").all()
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for snapshot in qs:
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snapshot.icons = get_icons(snapshot)
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return qs
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