def get_put_image_tags(name, index):
if flask.request.method == "GET":
require_permissions(["read"])
image_collection = require_backend("image-collection", name)
return flask.jsonify(tags=image_collection.tags(index))
if flask.request.method == "PUT":
require_permissions(["annotate"])
tags = flask.request.json["tags"]
for tag in tags:
if not tag:
flask.abort(
flask.make_response(
flask.jsonify(message="Tag category cannot be empty."),
400))
image_collection = require_backend("image-collection", name)
saved = image_collection.put_tags(index, tags)
if not saved:
flask.abort(
flask.make_response(
flask.jsonify(message="This dataset is read-only."), 400))
return flask.jsonify()
def put_delete_favorites_service_name(service, name):
if flask.request.method == "PUT":
require_permissions(["write"])
label = flask.request.json["label"]
require_backend("favorites").create(service, name, label)
return flask.jsonify()
elif flask.request.method == "DELETE":
require_permissions(["delete"])
require_backend("favorites").delete(service, name)
return flask.jsonify()
def get_document(name, index):
require_permissions(["read"])
document_collection = require_backend("document-collection", name)
document = document_collection.get(index)
if isinstance(document, str):
return flask.send_file(document)
else:
raise RuntimeError(f"Unknown document type: {type(document)}")
def get_image(name, index):
require_permissions(["read"])
image_collection = require_backend("image-collection", name)
image = image_collection.get(index)
if isinstance(image, str):
return flask.send_file(image)
else:
raise RuntimeError(f"Unknown image type: {type(image)}")
def get_put_image_bboxes(name, index):
if flask.request.method == "GET":
require_permissions(["read"])
image_collection = require_backend("image-collection", name)
return flask.jsonify(bboxes=image_collection.bboxes(index))
if flask.request.method == "PUT":
require_permissions(["annotate"])
bboxes = flask.request.json["bboxes"]
for bbox in bboxes:
for key in ["left", "top", "width", "height", "category"]:
if key not in bbox:
flask.abort(
flask.make_response(
flask.jsonify(
message=
"Bounding box missing required key: {key}"),
400))
if not bbox["category"]:
flask.abort(
flask.make_response(
flask.jsonify(
message="Bounding box category cannot be empty."),
400))
if bbox["width"] == 0 and bbox["height"] == 0:
flask.abort(
flask.make_response(
flask.jsonify(message="Bounding box cannot be empty."),
400))
image_collection = require_backend("image-collection", name)
saved = image_collection.put_bboxes(index, bboxes)
if not saved:
flask.abort(
flask.make_response(
flask.jsonify(message="This dataset is read-only."), 400))
return flask.jsonify()
def get_post_layouts():
if flask.request.method == "GET":
require_permissions(["read"])
return flask.jsonify(layout=application.config["layout"])
elif flask.request.method == "POST":
require_permissions([
"read"
]) # We don't require write permissions to save a layout, by design.
layouts = require_backend("layouts")
lid = layouts.put(content=flask.request.json["layout"])
return flask.jsonify(lid=lid)
def get_document_count(name):
require_permissions(["read"])
document_collection = require_backend("document-collection", name)
return flask.jsonify(count=len(document_collection))
def post_timeseries_plot(name):
require_permissions(["read"])
timeseries_collection = require_backend("timeseries-collection", name)
height = int(float(flask.request.json.get("height", 500)))
keys = flask.request.json.get("keys", [])
legend_corner = flask.request.json.get("legend", "bottom-right")
max_samples = int(float(flask.request.json.get("max_samples", 1000)))
smoothing = float(flask.request.json.get("smoothing", "0"))
width = int(float(flask.request.json.get("width", 500)))
yscale = flask.request.json.get("yscale", "linear")
timeseries = [timeseries_collection.get(key) for key in keys]
canvas = toyplot.Canvas(width=width, height=height)
axes = canvas.cartesian(xlabel="Step", yscale=yscale)
palette = toyplot.color.brewer.palette("Set2")
legend = []
for key in keys:
color_index = int(
hashlib.sha256(key.split("/")[0].encode("utf8")).hexdigest(),
16) % len(palette)
color = palette[color_index]
timeseries = timeseries_collection.get(key)
if timeseries is None:
continue
if "values" not in timeseries:
continue
y = timeseries["values"]
if "indices" in timeseries:
indices = timeseries["indices"]
else:
indices = numpy.arange(len(y))
x = indices
if "markers" in timeseries:
marker = timeseries["markers"]
else:
marker = [None] * len(y)
if smoothing:
alpha = 1 - smoothing
b = [alpha]
a = [1, alpha - 1]
zi = scipy.signal.lfiltic(b, a, y[0:1], [0])
ys = scipy.signal.lfilter(b, a, y, zi=zi)[0]
axes.plot(x, y, color=color, opacity=0.1)
legend.append((key, axes.plot(x, ys, color=color, marker=marker)))
else:
legend.append((key, axes.plot(x, y, color=color, marker=marker)))
if legend and legend_corner != "none":
height = len(legend) * 16
inset = 50
canvas.legend(legend, corner=(legend_corner, inset, 100, height))
return flask.jsonify({"plot": toyplot.html.tostring(canvas)})
def get_timeseries(name):
require_permissions(["read"])
timeseries_collection = require_backend("timeseries-collection", name)
count = len(timeseries_collection)
keys = list(timeseries_collection.keys())
return flask.jsonify(count=count, keys=keys)
def get_image_metadata(name, index):
require_permissions(["read"])
image_collection = require_backend("image-collection", name)
return flask.jsonify(metadata=image_collection.metadata(index))
def get_image_collection_categories(name):
require_permissions(["read"])
image_collection = require_backend("image-collection", name)
return flask.jsonify({"categories": image_collection.categories})
def get_image_collection(name):
require_permissions(["read"])
image_collection = require_backend("image-collection", name)
return flask.jsonify(count=len(image_collection))
def get_layouts_lid(lid):
layouts = require_backend("layouts")
layout = layouts.get(lid=lid)
if layout is None:
flask.abort(404)
return flask.jsonify(layout=layout)
def get_favorites():
require_permissions(["read"])
favorites = require_backend("favorites")
return flask.jsonify(favorites=favorites.get())