160 lines
3.9 KiB
Python
160 lines
3.9 KiB
Python
from openflexure_microscope.api.utilities import gen
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from openflexure_microscope.api.v1.views import MicroscopeView
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from flask import Response, Blueprint, jsonify
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class StreamAPI(MicroscopeView):
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def get(self):
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"""
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Real-time MJPEG stream from the microscope camera
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.. :quickref: State; Camera stream
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:>header Accept: image/jpeg
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:>header Content-Type: image/jpeg
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:status 200: stream active
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"""
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# Restart stream worker thread
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self.microscope.camera.start_worker()
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return Response(
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gen(self.microscope.camera),
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mimetype='multipart/x-mixed-replace; boundary=frame')
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class StateAPI(MicroscopeView):
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def get(self):
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"""
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JSON representation of the microscope object.
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.. :quickref: State; Microscope state
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**Example request**:
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.. sourcecode:: http
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GET /state/ HTTP/1.1
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Accept: application/json
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**Example response**:
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.. sourcecode:: http
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HTTP/1.1 200 OK
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Vary: Accept
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Content-Type: application/json
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{
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"camera": {
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"preview_active": false,
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"record_active": false,
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"stream_active": true
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},
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"plugin": {},
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"stage": {
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"backlash": {
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"x": 128,
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"y": 128,
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"z": 128
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},
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"position": {
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"x": -8080,
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"y": 5665,
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"z": -12600
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}
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}
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}
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:>header Accept: application/json
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:>header Content-Type: application/json
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:status 200: state available
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"""
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return jsonify(self.microscope.state)
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class ConfigAPI(MicroscopeView):
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def get(self):
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"""
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JSON representation of the microscope config.
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.. :quickref: Config; Microscope config
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**Example request**:
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.. sourcecode:: http
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GET /config/ HTTP/1.1
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Accept: application/json
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**Example response**:
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.. sourcecode:: http
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HTTP/1.1 200 OK
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Vary: Accept
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Content-Type: application/json
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{
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"analog_gain": 1.0,
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"digital_gain": 1.0,
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"image_resolution": [
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2592,
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1944
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],
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"jpeg_quality": 75,
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"name": "0e2c6fac5421429aac67c7903107bdd8",
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"numpy_resolution": [
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1312,
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976
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],
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"picamera_params": {
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"awb_gains": [
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0.92578125,
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2.94921875
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],
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"awb_mode": "off",
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"exposure_mode": "off",
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"framerate": 24.0,
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"saturation": 0,
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"shutter_speed": 5378
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},
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"plugins": [
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"openflexure_microscope.plugins.default:Plugin"
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],
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"shading_table_path": "/home/pi/.openflexure/microscopelst.npy",
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"video_resolution": [
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832,
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624
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]
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}
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:>header Accept: application/json
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:>header Content-Type: application/json
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:status 200: state available
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"""
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return jsonify(self.microscope.config)
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def construct_blueprint(microscope_obj):
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blueprint = Blueprint('base_blueprint', __name__)
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blueprint.add_url_rule(
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'/stream',
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view_func=StreamAPI.as_view('stream', microscope=microscope_obj)
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)
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blueprint.add_url_rule(
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'/state',
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view_func=StateAPI.as_view('state', microscope=microscope_obj)
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)
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blueprint.add_url_rule(
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'/config',
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view_func=ConfigAPI.as_view('config', microscope=microscope_obj)
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)
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return(blueprint)
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