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legacy blob png endpoint #513

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legacy blob png endpoint #513

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3 changes: 3 additions & 0 deletions ifcbdb/dashboard/urls.py
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Original file line number Diff line number Diff line change
Expand Up @@ -99,6 +99,9 @@ def to_url(self, value):
path('<slug:dataset_name>/<slug:bin_id>_<int:target>.png', views.image_png_legacy, name='image_png_legacy'),
path('<slug:dataset_name>/<slug:bin_id>_<int:target>.jpg', views.image_jpg_legacy, name='image_jpg_legacy'),

# legacy blob access
path('<slug:dataset_name>/<slug:bin_id>_<int:target>_blob.png', views.image_blob_legacy, name='image_blob_legacy'),

# legacy feed API
path('<ds_plus_tags>/api/feed/<slug:metric>/start/<start>/end/<end>', views.feed_legacy, name='feed_legacy'),

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12 changes: 12 additions & 0 deletions ifcbdb/dashboard/views.py
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Original file line number Diff line number Diff line change
Expand Up @@ -541,6 +541,18 @@ def image_data(request, bin_id, target):
})


def image_blob_legacy(request, bin_id, target, dataset_name):
bin, _ = bin_in_dataset_or_404(bin_id, dataset_name)
try:
arr = bin.blob(int(target)) if bin.has_blobs() else None
except KeyError:
raise Http404(f"blob data not found for target {target} in bin {bin_id}")
if arr is None:
raise Http404(f"bin {bin_id} has no associated blob data")
png_data = format_image(arr, 'image/png')
return HttpResponse(png_data, content_type='image/png')


def image_blob(request, bin_id, target):
bin = get_object_or_404(Bin, pid=bin_id)
blob = embed_image(bin.blob(int(target))) if bin.has_blobs() else None
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