Removed API v1

This commit is contained in:
Joel Collins 2019-12-18 11:06:35 +00:00
parent dee77c295a
commit 5efd58f561
10 changed files with 0 additions and 1293 deletions

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from . import camera, stage, base, plugins, task

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from openflexure_microscope.api.utilities import gen, JsonResponse
from openflexure_microscope.api.views import MicroscopeView
from flask import Response, Blueprint, jsonify, request
import logging
class StreamAPI(MicroscopeView):
def get(self):
"""
Real-time MJPEG stream from the microscope camera
.. :quickref: State; Camera stream
:>header Accept: image/jpeg
:>header Content-Type: image/jpeg
:status 200: stream active
"""
# Restart stream worker thread
self.microscope.camera.start_worker()
return Response(
gen(self.microscope.camera),
mimetype="multipart/x-mixed-replace; boundary=frame",
)
class SnapshotAPI(MicroscopeView):
def get(self):
"""
Single snapshot from the camera stream
.. :quickref: State; Camera snapshot
:>header Accept: image/jpeg
:>header Content-Type: image/jpeg
:status 200: stream active
"""
# Restart stream worker thread
self.microscope.camera.start_worker()
return Response(self.microscope.camera.get_frame(), mimetype="image/jpeg")
class StateAPI(MicroscopeView):
def get(self):
"""
JSON representation of the microscope object.
.. :quickref: State; Microscope state
**Example request**:
.. sourcecode:: http
GET /state/ HTTP/1.1
Accept: application/json
**Example response**:
.. sourcecode:: http
HTTP/1.1 200 OK
Vary: Accept
Content-Type: application/json
{
"camera": {
"preview_active": false,
"record_active": false,
"stream_active": true
},
"plugin": {},
"stage": {
"backlash": {
"x": 128,
"y": 128,
"z": 128
},
"position": {
"x": -8080,
"y": 5665,
"z": -12600
}
}
}
:>header Accept: application/json
:>header Content-Type: application/json
:status 200: state available
"""
return jsonify(self.microscope.state)
class ConfigAPI(MicroscopeView):
def get(self):
"""
JSON representation of the microscope config.
.. :quickref: Config; Get microscope config
**Example request**:
.. sourcecode:: http
GET /config/ HTTP/1.1
Accept: application/json
**Example response**:
.. sourcecode:: http
HTTP/1.1 200 OK
Vary: Accept
Content-Type: application/json
{
"id": "0e2c6fac5421429aac67c7903107bdd8",
"name": "docuscope-2000",
"fov": [4100, 3146],
"camera_settings": {
"image_resolution": [2592, 1944],
"numpy_resolution": [1312, 976],
"video_resolution": [832, 624],
"jpeg_quality": 75,
"picamera_settings": {
"analog_gain": 1.0,
"digital_gain": 1.0,
"awb_gains": [0.92578125, 2.94921875],
"awb_mode": "off",
"exposure_mode": "off",
"framerate": 24.0,
"saturation": 0,
"shutter_speed": 5378
},
},
"stage_settings": {
"backlash": {
"x": 256,
"y": 256,
"z": 0
}
}
"plugins": [
"openflexure_microscope.plugins.default.autofocus:AutofocusPlugin",
"openflexure_microscope.plugins.default.scan:ScanPlugin",
"openflexure_microscope.plugins.default.camera_calibration:Plugin"
]
}
:>header Accept: application/json
:>header Content-Type: application/json
:status 200: state available
"""
return jsonify(self.microscope.read_settings(json_safe=True))
def post(self):
"""
Modify microscope configuration
.. :quickref: Config; Set microscope config
**Example request**:
.. sourcecode:: http
POST /config HTTP/1.1
Accept: application/json
{
"id": "0e2c6fac5421429aac67c7903107bdd8",
"name": "docuscope-2000",
"fov": [4100, 3146],
"camera_settings": {
"image_resolution": [2592, 1944],
"numpy_resolution": [1312, 976],
"video_resolution": [832, 624],
"jpeg_quality": 75,
"picamera_settings": {
"analog_gain": 1.0,
"digital_gain": 1.0,
"awb_gains": [0.92578125, 2.94921875],
"awb_mode": "off",
"exposure_mode": "off",
"framerate": 24.0,
"saturation": 0,
"shutter_speed": 5378
},
},
"stage_settings": {
"backlash": {
"x": 256,
"y": 256,
"z": 0
}
}
"plugins": [
"openflexure_microscope.plugins.default.autofocus:AutofocusPlugin",
"openflexure_microscope.plugins.default.scan:ScanPlugin",
"openflexure_microscope.plugins.default.camera_calibration:Plugin"
]
}
:>header Accept: application/json
:<json string id: Unique string identifier of the microscope.
:<json string name: Friendly name for the microscope
:<json array fov: Field of view (motor steps per full width and height of frame)
:<json json camera_settings: - **image_resolution** *(array)*: Resolution of full image captures
- **numpy_resolution** *(array)*: Resolution of full numpy array captures
- **video_resolution** *(array)*: Resolution of video recordings, low res image captures, and the preview stream
- **jpeg_quality** *(int)*: Quality in which to store JPEG capture data
- **picamera_settings** *(json)*: Key-value pairs to apply directly to any attached PiCamera object
:<json json stage_settings: - **backlash** *(json)*: x, y, and z backlash compensation, in motor steps
:<json array plugins: Array of plugin paths to load. Requires reloading the microscope object after applying
:<header Content-Type: application/json
:status 200: capture created
"""
payload = JsonResponse(request)
logging.debug("Updating settings from POST request:")
logging.debug(payload.json)
self.microscope.apply_settings(payload.json)
self.microscope.save_settings()
return jsonify(self.microscope.read_settings(json_safe=True))
def construct_blueprint(microscope_obj):
blueprint = Blueprint("base_blueprint", __name__)
blueprint.add_url_rule(
"/stream", view_func=StreamAPI.as_view("stream", microscope=microscope_obj)
)
blueprint.add_url_rule(
"/snapshot",
view_func=SnapshotAPI.as_view("snapshot", microscope=microscope_obj),
)
blueprint.add_url_rule(
"/state", view_func=StateAPI.as_view("state", microscope=microscope_obj)
)
blueprint.add_url_rule(
"/config", view_func=ConfigAPI.as_view("config", microscope=microscope_obj)
)
return blueprint

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from flask import Blueprint
from . import capture, preview, function
def construct_blueprint(microscope_obj):
blueprint = Blueprint("camera_blueprint", __name__)
# Tag routes
blueprint.add_url_rule(
"/capture/<capture_id>/tags",
view_func=capture.TagsAPI.as_view("capture_tags", microscope=microscope_obj),
)
# Capture routes
blueprint.add_url_rule(
"/capture/<capture_id>/download/<filename>",
view_func=capture.DownloadAPI.as_view(
"capture_download", microscope=microscope_obj
),
)
blueprint.add_url_rule(
"/capture/<capture_id>/download",
view_func=capture.DownloadRedirectAPI.as_view(
"capture_download_redirect", microscope=microscope_obj
),
)
blueprint.add_url_rule(
"/capture/<capture_id>/",
view_func=capture.CaptureAPI.as_view("capture", microscope=microscope_obj),
)
blueprint.add_url_rule(
"/capture/",
view_func=capture.ListAPI.as_view("capture_list", microscope=microscope_obj),
)
# Preview routes
blueprint.add_url_rule(
"/preview/<string:operation>",
view_func=preview.GPUPreviewAPI.as_view(
"gpu_preview", microscope=microscope_obj
),
)
# Function routes
blueprint.add_url_rule(
"/overlay",
view_func=function.OverlayAPI.as_view("overlay", microscope=microscope_obj),
)
blueprint.add_url_rule(
"/zoom", view_func=function.ZoomAPI.as_view("zoom", microscope=microscope_obj)
)
return blueprint

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from openflexure_microscope.api.utilities import get_bool, JsonResponse
from openflexure_microscope.api.views import MicroscopeView
from openflexure_microscope.utilities import filter_dict
from flask import jsonify, request, abort, url_for, redirect, send_file
class ListAPI(MicroscopeView):
def get(self):
"""
Get list of image captures.
.. :quickref: Captures; Get collection of captures
:>header Accept: application/json
:query include_unavailable: return json representations of captures that have been completely deleted
:>jsonarr boolean available: availability of capture data
:>jsonarr string filename: filename of capture
:>jsonarr string id: unique id of the capture object
:>jsonarr boolean keep_on_disk: keep the capture file on microscope after closing
:>jsonarr boolean locked: file locked for modifications (mostly used for video recording)
:>jsonarr string path: path on pi storage to the capture file, if available
:>jsonarr boolean stream: capture stored in-memory as a BytesIO stream
:>jsonarr json uri: - **download** *(string)*: api uri to the capture file download
- **state** *(string)*: api uri to the capture json representation
:>header Content-Type: application/json
:status 200: capture found
:status 404: no capture found with that id
"""
include_unavailable = get_bool(request.args.get("include_unavailable"))
if include_unavailable:
captures = [image.state for image in self.microscope.camera.images]
else:
captures = [
image.state
for image in self.microscope.camera.images
if image.state["available"]
]
return jsonify(captures)
def delete(self):
"""
Delete all captures (not yet implemented)
.. :quickref: Captures; Delete all captures
"""
for image in self.microscope.camera.images:
image.delete()
captures = [image.state for image in self.microscope.camera.images]
return jsonify(captures)
def post(self):
"""
Create a new image capture.
.. :quickref: Captures; New capture
**Example request**:
.. sourcecode:: http
POST /camera/capture HTTP/1.1
Accept: application/json
{
"filename": "myfirstcapture",
"temporary": false,
"use_video_port": true,
"bayer": true,
"size": {
"width": 640,
"height": 480
}
}
:>header Accept: application/json
:<json string filename: filename of stored capture
:<json boolean temporary: delete the capture file on microscope after closing
:<json boolean use_video_port: capture still image from the video port
:<json boolean bayer: keep raw capture data in the image file
:<json json size: - **x** *(int)*: x-axis resize
- **y** *(int)*: y-axis resize
:>json boolean available: availability of capture data
:>json string filename: filename of capture
:>json string id: unique id of the capture object
:>json boolean temporary: delete the capture file on microscope after closing
:>json boolean locked: file locked for modifications (mostly used for video recording)
:>json string path: path on pi storage to the capture file, if available
:>json boolean stream: capture stored in-memory as a BytesIO stream
:>json json uri: - **download** *(string)*: api uri to the capture file download
- **state** *(string)*: api uri to the capture json representation
:<header Content-Type: application/json
:status 200: capture created
"""
payload = JsonResponse(request)
filename = payload.param("filename")
temporary = payload.param("temporary", default=False, convert=bool)
use_video_port = payload.param("use_video_port", default=False, convert=bool)
bayer = payload.param("bayer", default=True, convert=bool)
metadata = payload.param("metadata", default={}, convert=dict)
tags = payload.param("tags", default=[], convert=list)
resize = payload.param("size", default=None)
if resize:
if ("width" in resize) and ("height" in resize):
resize = (
int(resize["width"]),
int(resize["height"]),
) # Convert dict to tuple
else:
abort(404)
# Explicitally acquire lock (prevents empty files being created if lock is unavailable)
with self.microscope.camera.lock:
output = self.microscope.camera.new_image(
temporary=temporary, filename=filename
)
self.microscope.camera.capture(
output.file, use_video_port=use_video_port, resize=resize, bayer=bayer
)
# Inject system metadata
system_metadata = {
"microscope_settings": self.microscope.read_settings(),
"microscope_state": self.microscope.state,
"microscope_id": self.microscope.id,
"microscope_name": self.microscope.name,
}
output.system_metadata.update(system_metadata)
# Insert custom metadata
output.put_metadata(metadata)
# Insert custom tags
output.put_tags(tags)
return jsonify(output.state)
class CaptureAPI(MicroscopeView):
def get(self, capture_id):
"""
Get JSON representation of a capture
.. :quickref: Capture; Get capture
**Example request**:
.. sourcecode:: http
GET /camera/capture/d0b2067abbb946f19351e075c5e7cd5b/ HTTP/1.1
Accept: application/json
**Example response**:
.. sourcecode:: http
HTTP/1.1 200 OK
Vary: Accept
Content-Type: application/json
{
"available": true,
"bytestream": false,
"keep_on_disk": false,
"locked": false,
"metadata": {
"filename": "2018-11-16_10-21-53.jpeg",
"id": "d0b2067abbb946f19351e075c5e7cd5b",
"path": "capture/2018-11-16_10-21-53.jpeg",
"time": "2018-11-16_10-21-53"
}
"uri": {
"download": "/api/v1/capture/d0b2067abbb946f19351e075c5e7cd5b/download",
"state": "/api/v1/capture/d0b2067abbb946f19351e075c5e7cd5b/"
}
}
:>json boolean available: availability of capture data
:>json string filename: filename of capture
:>json string id: unique id of the capture object
:>json boolean keep_on_disk: keep the capture file on microscope after closing
:>json boolean locked: file locked for modifications (mostly used for video recording)
:>json string path: path on pi storage to the capture file, if available
:>json boolean stream: capture stored in-memory as a BytesIO stream
:>json json uri: - **download** *(string)*: api uri to the capture file download
- **state** *(string)*: api uri to the capture json representation
"""
capture_obj = self.microscope.camera.image_from_id(capture_id)
if not capture_obj:
return abort(404) # 404 Not Found
# Get capture state
capture_metadata = capture_obj.state
# Add API routes to returned state
uri_dict = {
"uri": {
"state": "{}".format(url_for(".capture", capture_id=capture_obj.id))
}
}
# If available, also add download link
if capture_metadata["available"]:
uri_dict["uri"]["download"] = "{}download/{}".format(
url_for(".capture", capture_id=capture_obj.id), capture_obj.filename
)
capture_metadata.update(uri_dict)
return jsonify(capture_metadata)
def delete(self, capture_id):
"""
Delete all capture data from the Pi, even if `keep_on_disk=true;`.
.. :quickref: Capture; Delete capture.
"""
capture_obj = self.microscope.camera.image_from_id(capture_id)
if not capture_obj:
return abort(404) # 404 Not Found
capture_obj.delete()
return jsonify({"return": capture_id})
def put(self, capture_id):
"""
Add arbitrary metadata to the capture
.. :quickref: Capture; Update capture metadata
**Example request**:
.. sourcecode:: http
PUT /camera/capture/d0b2067abbb946f19351e075c5e7cd5b HTTP/1.1
Accept: application/json
{
"user_id": "ofm_1234",
"patient_number": 1452,
}
:>header Accept: application/json
:<header Content-Type: application/json
:status 200: metadata updated
"""
capture_obj = self.microscope.camera.image_from_id(capture_id)
if not capture_obj:
return abort(404) # 404 Not Found
data_dict = JsonResponse(request).json
capture_obj.put_metadata(data_dict)
capture_metadata = capture_obj.state
return jsonify(capture_metadata)
class DownloadRedirectAPI(MicroscopeView):
def get(self, capture_id):
"""
Return image data for a capture.
Return capture data as an image file with the requested filename.
I.e., `/(capture_id)/download/foo.jpeg` will download the image as
`foo.jpeg`, regardless of the capture's initially set filename.
Route automatically redirects to download the capture under it's currently set filename.
I.e., `/(capture_id)/download` will
redirect to `/(capture_id)/download/(filename)`.
.. :quickref: Capture; Download capture image
**Example request**:
.. sourcecode:: http
GET /camera/capture/d0b2067abbb946f19351e075c5e7cd5b/download/2018-11-20_16-04-17.jpeg HTTP/1.1
Accept: image/jpeg
:>header Accept: image/jpeg
:query thumbnail: return an image thumbnail e.g. ?thumbnail=true
:>header Content-Type: image/jpeg
:status 200: capture data found
:status 404: no capture found with that id
"""
capture_obj = self.microscope.camera.image_from_id(capture_id)
if not capture_obj or not capture_obj.state["available"]:
return abort(404) # 404 Not Found
thumbnail = get_bool(request.args.get("thumbnail"))
return redirect(
url_for(
".capture_download",
capture_id=capture_id,
filename=capture_obj.filename,
thumbnail=thumbnail,
),
code=307,
)
class DownloadAPI(MicroscopeView):
def get(self, capture_id, filename):
capture_obj = self.microscope.camera.image_from_id(capture_id)
if not capture_obj or not capture_obj.state["available"]:
return abort(404) # 404 Not Found
thumbnail = get_bool(request.args.get("thumbnail"))
# If no filename is specified, redirect to the capture's currently set filename
if not filename:
return redirect(
url_for(
"capture_download",
capture_id=capture_id,
filename=capture_obj.filename,
thumbnail=thumbnail,
),
code=307,
)
# Download the image data using the requested filename
if thumbnail:
img = capture_obj.thumbnail
else:
img = capture_obj.data
return send_file(img, mimetype="image/jpeg")
class TagsAPI(MicroscopeView):
def get(self, capture_id):
"""
Return tag list for a capture.
.. :quickref: Capture; Show capture tags
**Example request**:
.. sourcecode:: http
GET /camera/capture/d0b2067abbb946f19351e075c5e7cd5b/tags HTTP/1.1
Accept: text/json
:>header Accept: text/json
:>header Content-Type: text/json
:status 200: capture data found
:status 404: no capture found with that id
"""
capture_obj = self.microscope.camera.image_from_id(capture_id)
if not capture_obj or not capture_obj.state["available"]:
return abort(404) # 404 Not Found
metadata_tags = filter_dict(capture_obj.state, ["metadata", "tags"])
return jsonify(metadata_tags)
def put(self, capture_id):
"""
Add tags to the capture
.. :quickref: Capture; Update capture tags
**Example request**:
.. sourcecode:: http
PUT /camera/capture/d0b2067abbb946f19351e075c5e7cd5b/tags HTTP/1.1
Accept: application/json
["tests", "mytag", "someothertag"]
:>header Accept: application/json
:<header Content-Type: application/json
:status 200: metadata updated
"""
capture_obj = self.microscope.camera.image_from_id(capture_id)
if not capture_obj or not capture_obj.state["available"]:
return abort(404) # 404 Not Found
data_dict = JsonResponse(request).json
if type(data_dict) != list:
return abort(400)
capture_obj.put_tags(data_dict)
metadata_tags = filter_dict(capture_obj.state, ["metadata", "tags"])
return jsonify(metadata_tags)
def delete(self, capture_id):
"""
Delete tags from the capture
.. :quickref: Capture; Delete tags.
**Example request**:
.. sourcecode:: http
DELETE /camera/capture/d0b2067abbb946f19351e075c5e7cd5b/tags HTTP/1.1
Accept: application/json
["tests", "mytag"]
:>header Accept: application/json
:<header Content-Type: application/json
:status 200: metadata updated
"""
capture_obj = self.microscope.camera.image_from_id(capture_id)
if not capture_obj:
return abort(404) # 404 Not Found
data_dict = JsonResponse(request).json
if type(data_dict) != list:
return abort(400)
for tag in data_dict:
capture_obj.delete_tag(str(tag))
metadata_tags = filter_dict(capture_obj.state, ["metadata", "tags"])
return jsonify(metadata_tags)

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from openflexure_microscope.api.views import MicroscopeView
from openflexure_microscope.api.utilities import JsonResponse
from flask import jsonify, request
class ZoomAPI(MicroscopeView):
def get(self):
"""
Get the current zoom value
.. :quickref: Zoom; Get the zoom value
:>header Accept: application/json
:<header Content-Type: application/json
:status 200: preview started/stopped
"""
zoom_value = self.microscope.camera.status["zoom_value"]
return jsonify({"zoom_value": zoom_value})
def post(self):
"""
Change the current zoom value
.. :quickref: Zoom; Set the zoom value
**Example requests**:
.. sourcecode:: http
POST /camera/zoom HTTP/1.1
Accept: application/json
{
"zoom_value": 2.5,
}
:>header Accept: application/json
:<header Content-Type: application/json
:status 200: preview started/stopped
"""
payload = JsonResponse(request)
zoom_value = payload.param("zoom_value", default=1.0, convert=float)
self.microscope.camera.set_zoom(zoom_value)
return jsonify(self.microscope.camera.status)
class OverlayAPI(MicroscopeView):
def get(self):
"""
Get overlay text
.. :quickref: Overlay; Get camera overlay text
:>header Accept: application/json
:<header Content-Type: application/json
:status 200: preview started/stopped
"""
text = self.microscope.camera.camera.annotate_text
size = self.microscope.camera.camera.annotate_text_size
return jsonify({"text": text, "size": size})
def post(self):
"""
Set overlay text
.. :quickref: Overlay; Set camera overlay text
**Example requests**:
.. sourcecode:: http
POST /camera/overlay HTTP/1.1
Accept: application/json
{
"text": "2019/01/15 14:48",
"size": 50
}
:>header Accept: application/json
:<header Content-Type: application/json
:status 200: preview started/stopped
"""
payload = JsonResponse(request)
text = payload.param("text", default="", convert=str)
size = payload.param("size", default=50, convert=int)
self.microscope.camera.camera.annotate_text = text
self.microscope.camera.camera.annotate_text_size = size
return jsonify({"text": text, "size": size})

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from openflexure_microscope.api.utilities import JsonResponse
from openflexure_microscope.api.views import MicroscopeView
from flask import jsonify, request
import logging
class GPUPreviewAPI(MicroscopeView):
def post(self, operation):
"""
Start or stop the onboard GPU preview.
Optional "window" parameter can be passed to control the position and size of the preview window,
in the format ``[x, y, width, height]``.
.. :quickref: GPU Preview; Start/stop preview
**Example requests**:
.. sourcecode:: http
POST /camera/preview/start HTTP/1.1
Accept: application/json
{
"window": [0, 0, 480, 320],
}
.. sourcecode:: http
POST /camera/preview/stop HTTP/1.1
Accept: application/json
:>header Accept: application/json
:<header Content-Type: application/json
:status 200: preview started/stopped
"""
if operation == "start":
payload = JsonResponse(request)
window = payload.param("window", default=[])
logging.debug(window)
if len(window) != 4:
fullscreen = True
window = None
else:
fullscreen = False
window = [int(w) for w in window]
self.microscope.camera.start_preview(fullscreen=fullscreen, window=window)
elif operation == "stop":
self.microscope.camera.stop_preview()
return jsonify(self.microscope.state)

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from openflexure_microscope.api.views import MicroscopeViewPlugin
from flask import Blueprint, jsonify
from openflexure_microscope.api.views import MicroscopeView
import copy
import logging
import warnings
class PluginFormAPI(MicroscopeView):
def get(self):
"""
Return the current plugin forms
.. :quickref: Plugin; Get forms
Returns an array of present plugin forms (describing plugin user interfaces.)
Please note, this is *not* a list of all enabled plugins, only those with associated
user interface forms.
A complete list of enabled plugins can be found in the microscope state.
"""
out = self.microscope.plugins.forms
return jsonify(out)
def construct_blueprint(microscope_obj):
blueprint = Blueprint("plugin_blueprint", __name__)
# Create a base route to return plugin API forms, if any exist
blueprint.add_url_rule(
"/",
view_func=PluginFormAPI.as_view("plugin_api_form", microscope=microscope_obj),
)
all_routes = []
# For each plugin attached to the microscope object
for plugin_name, plugin_obj in microscope_obj.plugins._legacy_plugins.items():
# If plugin contains valid endpoints
if hasattr(plugin_obj, "api_views") and isinstance(plugin_obj.api_views, dict):
# We'll keep a record of how each route was expanded
expanded_routes = {}
# For each defined endpoint
for view_route, view_class in plugin_obj.api_views.items():
# Remove all leading slashes from view route
cleaned_route = view_route
while cleaned_route[0] == "/":
cleaned_route = cleaned_route[1:]
# Construct a full view route from the plugin name
full_view_route = "/{}/{}".format(plugin_name, cleaned_route)
logging.debug(full_view_route)
# Record how the view_route got expanded
expanded_routes[view_route] = full_view_route
# Check if endpoint name clashes
if full_view_route not in all_routes and issubclass(
view_class, MicroscopeViewPlugin
):
# Add route to main route dictionary
all_routes.append(full_view_route)
# Create a Python-safe name for the route
plugin_route_id = "plugin{}".format(full_view_route).replace(
"/", "_"
)
# Add route to the plugins blueprint
blueprint.add_url_rule(
full_view_route,
view_func=view_class.as_view(
plugin_route_id,
microscope=microscope_obj,
plugin=plugin_obj,
),
)
else:
warnings.warn(
"An endpoint /{} has already been loaded. Skipping {}.".format(
full_view_route, view_class
)
)
# If plugin includes an API form
if hasattr(plugin_obj, "api_form") and isinstance(
plugin_obj.api_form, dict
):
api_form_info = copy.deepcopy(plugin_obj.api_form)
api_form_info["id"] = plugin_name
if "forms" in api_form_info and isinstance(
api_form_info["forms"], list
):
for form in api_form_info["forms"]:
if "route" in form and form["route"] in expanded_routes.keys():
form["route"] = expanded_routes[form["route"]]
else:
logging.warn(
"No valid expandable route found for {}".format(
form["route"]
)
)
# Store the complete form in Microscope().plugin.form
microscope_obj.plugins.forms.append(api_form_info)
else:
warnings.warn(
"No valid 'api_views' dictionary found in {}".format(plugin_obj)
)
return blueprint

View file

@ -1,105 +0,0 @@
from openflexure_microscope.api.utilities import JsonResponse
from openflexure_microscope.api.views import MicroscopeView
from openflexure_microscope.utilities import axes_to_array, filter_dict
from flask import Blueprint, jsonify, request
import logging
class PositionAPI(MicroscopeView):
def get(self):
"""
Return current x, y and z positions of the stage.
The response is formatted as a sub-section of the general microscope state.
.. :quickref: Position; Get current position
**Example request**:
.. sourcecode:: http
GET /stage/position/ HTTP/1.1
Accept: application/json
**Example response**:
.. sourcecode:: http
HTTP/1.1 200 OK
Vary: Accept
Content-Type: application/json
{
"stage": {
"position": {
"x": -6629,
"y": 7489,
"z": -3844
}
}
}
"""
out = filter_dict(self.microscope.state, ["stage", "position"])
return jsonify(out)
def post(self):
"""
Set x, y and z positions of the stage.
.. :quickref: Position; Update current position
:reqheader Accept: application/json
:<json boolean absolute: (true) move to absolute position, (false) move by relative amount
:<json boolean force: allow moving by more than programmed limit
:<json int x: x steps
:<json int y: y steps
:<json int z: z steps
"""
# Create response object
payload = JsonResponse(request)
logging.debug(payload.json)
# Construct position array
position = [0, 0, 0]
# Handle absolute positioning (calculate a relative move from current position and target)
if (payload.param("absolute") is True) and (
self.microscope.stage
): # Only if stage exists
target_position = axes_to_array(payload.json, ["x", "y", "z"])
logging.debug("TARGET: {}".format(target_position))
position = [
target_position[i] - self.microscope.stage.position[i] for i in range(3)
]
logging.debug("DELTA: {}".format(position))
else:
# Get coordinates from payload
position = axes_to_array(payload.json, ["x", "y", "z"], [0, 0, 0])
logging.debug(position)
# Move if stage exists
if self.microscope.stage:
# Explicitally acquire lock
with self.microscope.stage.lock:
self.microscope.stage.move_rel(position)
out = filter_dict(self.microscope.state, ["stage", "position"])
return jsonify(out)
def construct_blueprint(microscope_obj):
blueprint = Blueprint("stage_blueprint", __name__)
blueprint.add_url_rule(
"/position",
view_func=PositionAPI.as_view("position", microscope=microscope_obj),
)
return blueprint

View file

@ -1,141 +0,0 @@
from openflexure_microscope.api.views import MethodView
from flask import jsonify, abort, Blueprint
from openflexure_microscope.common import tasks
class TaskListAPI(MethodView):
def get(self):
"""
Get list of long-running tasks.
.. :quickref: Tasks; Get collection of tasks
**Example response**:
.. sourcecode:: http
HTTP/1.1 200 OK
Vary: Accept
Content-Type: application/json
[
{
"end_time": "2019-01-23 16-33-33",
"id": "db13a66787e1419bb06b1504e4d80b0c",
"return": [
0.848622546386467,
0.6106785018091292,
],
"start_time": "2019-01-23 16-33-13",
"status": "success"
},
{
"end_time": null,
"id": "df46558cc8844924821bd0181881871e",
"return": null,
"start_time": "2019-01-23 16-34-54",
"status": "running"
}
]
:>header Accept: application/json
:query include_unavailable: return json representations of captures that have been completely deleted
:>header Content-Type: application/json
"""
data = tasks.states()
return jsonify(data)
def delete(self):
"""
Clean list of long-running tasks (running tasks persist).
.. :quickref: Tasks; Clean collection of tasks
:>header Accept: application/json
:>header Content-Type: application/json
"""
tasks.cleanup_tasks()
data = tasks.states()
return jsonify(data)
class TaskAPI(MethodView):
def get(self, task_id):
"""
Get JSON representation of a task
.. :quickref: Tasks; Get task
**Example request**:
.. sourcecode:: http
GET /task/db13a66787e1419bb06b1504e4d80b0c/ HTTP/1.1
Accept: application/json
**Example response**:
.. sourcecode:: http
HTTP/1.1 200 OK
Vary: Accept
Content-Type: application/json
{
"end_time": "2019-01-23 16-33-33",
"id": "db13a66787e1419bb06b1504e4d80b0c",
"return": [
0.848622546386467,
0.6106785018091292,
],
"start_time": "2019-01-23 16-33-13",
"status": "success"
}
"""
try:
task = tasks.tasks()[task_id]
except KeyError:
return abort(404) # 404 Not Found
# Return task state
return jsonify(task.state)
def delete(self, task_id):
"""
Terminate a particular task.
.. :quickref: Tasks; Terminate a task
:>header Accept: application/json
:>header Content-Type: application/json
"""
try:
task = tasks.tasks()[task_id]
except KeyError:
return abort(404) # 404 Not Found
task.terminate()
return jsonify(task.state)
def construct_blueprint(microscope_obj):
blueprint = Blueprint("task_blueprint", __name__)
blueprint.add_url_rule("/", view_func=TaskListAPI.as_view("task_list"))
blueprint.add_url_rule("/<task_id>/", view_func=TaskAPI.as_view("task"))
return blueprint