refactoring to rest app to help breakup api code into smaller files

webapp/xml_routes.py

@@ -0,0 +1,47 @@
+import tempfile
+
+from flask import jsonify
+from flask import request
+from flask import send_file
+from flask.blueprints import Blueprint
+
+from core import logger
+from core.enumerations import EventTypes
+
+coreemu = None
+
+api = Blueprint("xml_api", __name__)
+
+
+@api.route("/sessions/<int:session_id>/xml")
+def save_xml(session_id):
+    session = coreemu.sessions.get(session_id)
+    if not session:
+        return jsonify(error="session does not exist"), 404
+
+    _, temp_path = tempfile.mkstemp()
+    session.save_xml(temp_path, "1.0")
+    return send_file(
+        temp_path,
+        as_attachment=True,
+        attachment_filename="session-%s.xml" % session_id
+    )
+
+
+@api.route("/sessions/xml", methods=["POST"])
+def open_xml():
+    session = coreemu.create_session()
+    session.set_state(EventTypes.CONFIGURATION_STATE)
+
+    logger.info("open xml: %s", request.files)
+    _, temp_path = tempfile.mkstemp()
+    session_file = request.files['session']
+    session_file.save(temp_path)
+
+    try:
+        session.open_xml(temp_path, start=True)
+        return jsonify(id=session.session_id)
+    except:
+        logger.exception("error opening session file")
+        coreemu.delete_session(session.session_id)
+        return jsonify(error="error opening session file"), 404