CORS allowed for REST APIs. (#124)

arcor2/VERSION

@@ -1 +1 @@
-0.4.2
+0.4.3

arcor2/nodes/build.py

@@ -13,6 +13,7 @@
 from apispec import APISpec  # type: ignore
 from apispec_webframeworks.flask import FlaskPlugin  # type: ignore
 from flask import Flask, send_file
+from flask_cors import CORS  # type: ignore
 from flask_swagger_ui import get_swaggerui_blueprint  # type: ignore
 
 import arcor2
@@ -42,6 +43,7 @@
 )
 
 app = Flask(__name__)
+CORS(app)
 
 
 def _publish(project_id: str):

arcor2/nodes/execution_proxy.py

@@ -13,6 +13,7 @@
 from apispec import APISpec  # type: ignore
 from apispec_webframeworks.flask import FlaskPlugin  # type: ignore
 from flask import Flask, jsonify, request, send_file
+from flask_cors import CORS  # type: ignore
 from flask_swagger_ui import get_swaggerui_blueprint  # type: ignore
 from werkzeug.utils import secure_filename
 
@@ -34,6 +35,7 @@
 )
 
 app = Flask(__name__)
+CORS(app)
 
 
 # TODO find out why long-lasting connection is not possible (it is getting disconnected after few minutes)

setup.py

@@ -46,7 +46,8 @@
         'flask_swagger_ui',
         'websocket-client',
         'pyyaml',  # dependency of apispec, for some reason not installed automatically...
-        'Pillow'
+        'Pillow',
+        'flask-cors'
     ],
     extras_require={
         'test': [