Jens
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from __future__ import annotations
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from django.conf import settings
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from django.contrib import messages
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from django.contrib.auth.decorators import login_required
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.http import HttpRequest
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from django.shortcuts import get_object_or_404, redirect, render
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from django.urls import reverse
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from django.views.decorators.cache import never_cache
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from django.views.decorators.http import require_POST
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from django.views.generic import ListView
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from .forms import ManualImportForm
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from .models import Source
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from .models import SourcePolicyReview
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from .services.manual_import import ManualImportError, ManualImportSummary, import_manual_source
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from .services.policy import create_policy_review
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from .tasks import fetch_source
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from apps.core.rate_limit import clear_rate_limit, is_rate_limited, register_rate_limit_failure
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def _source_list_queryset():
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return Source.objects.prefetch_related("policy_reviews").all().order_by("name")
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def _manual_import_context(
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request: HttpRequest, *, form: ManualImportForm, manual_result=None
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):
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base_queryset = _source_list_queryset()
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return {
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"sources": base_queryset,
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"active_source_count": Source.objects.filter(status=Source.Status.ACTIVE).count(),
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"source_total_count": base_queryset.count(),
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"review_pending_count": Source.objects.filter(policy=Source.Policy.REVIEW).count(),
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"manual_import_form": form,
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"manual_import_bookmarklet_endpoint": request.build_absolute_uri(
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reverse("sources:manual_import")
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),
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"manual_import_paste_max_bytes": settings.MANUAL_IMPORT_PASTE_MAX_BYTES,
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"manual_import_result": manual_result,
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}
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class SourceListView(LoginRequiredMixin, ListView):
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model = Source
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template_name = "sources/list.html"
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context_object_name = "sources"
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def get_queryset(self):
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return _source_list_queryset()
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context.update(
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_manual_import_context(
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self.request,
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form=ManualImportForm(
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initial={"source_url": self.request.GET.get("source_url", "")}
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),
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)
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)
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return context
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def _bulk_summary(action: str) -> str:
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mapping = {
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"allow": "toestaan",
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"approve_to_trial": "proefrun",
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"pause": "pauzeren",
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"dismiss": "afwijzen",
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}
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return mapping.get(action, "onbekend")
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def _action_to_review(
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action: str,
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) -> tuple[SourcePolicyReview.Decision, str, str, str]:
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if action == "allow":
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return (
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SourcePolicyReview.Decision.ALLOW,
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Source.Status.ACTIVE,
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Source.Policy.ALLOW,
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"Bron actief gemaakt door expliciete goedkeuring",
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)
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if action == "approve_to_trial":
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return (
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SourcePolicyReview.Decision.TRIAL,
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Source.Status.TRIAL,
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Source.Policy.REVIEW,
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"Bron naar proefrun voor technische controle",
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)
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if action == "pause":
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return (
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SourcePolicyReview.Decision.PAUSE,
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Source.Status.PAUSED,
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Source.Policy.REVIEW,
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"Bron tijdelijk gepauzeerd",
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)
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return (
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SourcePolicyReview.Decision.DENY,
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Source.Status.DISABLED,
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Source.Policy.DENY,
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"Bron afgewezen",
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)
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@login_required
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@require_POST
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def bulk_candidate_action(request):
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action = request.POST.get("action")
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source_ids = [int(raw_id) for raw_id in request.POST.getlist("source_ids") if raw_id.isdigit()]
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sources = Source.objects.filter(id__in=source_ids).exclude(policy=Source.Policy.DENY)
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if not sources.exists():
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messages.info(request, "Geen bruikbare bronregels geselecteerd.")
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return redirect("sources:list")
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if action not in {"allow", "approve_to_trial", "pause", "dismiss"}:
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messages.error(request, "Onbekende actie.")
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return redirect("sources:list")
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decision, status, policy, reason = _action_to_review(action)
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for source in sources:
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create_policy_review(
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source,
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actor=request.user,
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decision=decision,
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scope=SourcePolicyReview.Scope.SOURCE,
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reason=reason,
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notes="Bulkactie",
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)
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source.status = status
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source.policy = policy
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source.policy_reason = reason
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source.save(update_fields=["status", "policy", "policy_reason", "updated_at"])
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messages.success(request, f"{sources.count()} bron(nen) naar { _bulk_summary(action) }.")
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return redirect("sources:list")
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@login_required
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def retry_source(request, pk: int):
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if request.method == "POST":
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source = get_object_or_404(Source, pk=pk)
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if source.policy == Source.Policy.DENY:
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messages.error(request, "Deze bron is door het bronbeleid geblokkeerd.")
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else:
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fetch_source.delay(source.pk, force=True)
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messages.success(request, "Broncontrole ingepland.")
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return redirect("sources:list")
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@login_required
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@never_cache
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def manual_import_view(request):
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rate_limit = is_rate_limited(
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request,
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namespace="manual_import",
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max_attempts=settings.MANUAL_IMPORT_RATE_LIMIT_MAX_ATTEMPTS,
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window_seconds=settings.MANUAL_IMPORT_RATE_LIMIT_WINDOW_SECONDS,
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block_seconds=settings.MANUAL_IMPORT_RATE_LIMIT_BLOCK_SECONDS,
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)
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if rate_limit.is_blocked:
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messages.error(
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request,
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"Te veel handmatige importverzoeken. Wacht 5 minuten en probeer daarna opnieuw.",
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)
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return render(
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request,
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"sources/list.html",
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_manual_import_context(request, form=ManualImportForm(), manual_result=None),
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)
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if request.method == "POST":
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form = ManualImportForm(request.POST)
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result_payload = None
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if not form.is_valid():
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messages.error(request, "Controleer de handmatige importvelden.")
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return render(
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request,
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"sources/list.html",
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_manual_import_context(request, form=form, manual_result=result_payload),
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)
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cleaned = form.cleaned_data
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try:
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summary: ManualImportSummary = import_manual_source(
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actor=request.user,
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source_url=cleaned.get("source_url"),
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pasted_text=cleaned.get("pasted_text"),
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)
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result_payload = summary.to_session_payload()
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messages.success(
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request,
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"Handmatige import uitgevoerd. Bekijk het resultaat hieronder.",
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)
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clear_rate_limit(request, namespace="manual_import")
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form = ManualImportForm()
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except ManualImportError as exc:
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messages.error(request, str(exc))
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register_rate_limit_failure(
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request,
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namespace="manual_import",
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max_attempts=settings.MANUAL_IMPORT_RATE_LIMIT_MAX_ATTEMPTS,
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window_seconds=settings.MANUAL_IMPORT_RATE_LIMIT_WINDOW_SECONDS,
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block_seconds=settings.MANUAL_IMPORT_RATE_LIMIT_BLOCK_SECONDS,
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)
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return render(
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request,
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"sources/list.html",
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_manual_import_context(request, form=form, manual_result=result_payload),
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)
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return render(
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request,
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"sources/list.html",
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_manual_import_context(
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request,
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form=ManualImportForm(initial={"source_url": request.GET.get("source_url", "")}),
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),
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)
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Block a user