navd: rewrite in python (#24621)

* navd: start python rewrite

* use enum

* send empty instruction packet

* parse banner

* cleanup

* switch to coordinate class

* add segment transition logic

* add recompute logic

* cleanup old navd code

* split out helpers

* cleanup release files

* fix typo

* fix docs

* add typing to helpers

* small fixes

* move outside of ui

* get last pos from param

* add ui restart detection

* check running

* send route

* set navInstruction to invalid with no active route

* whitespace

* do not overwrite response and use ratekeeper

* reuse params object

* remove navd exception
old-commit-hash: e72d6b5689

common/api/__init__.py

@@ -22,13 +22,13 @@ class Api():
   def request(self, method, endpoint, timeout=None, access_token=None, **params):
     return api_get(endpoint, method=method, timeout=timeout, access_token=access_token, **params)
 
-  def get_token(self):
+  def get_token(self, expiry_hours=1):
     now = datetime.utcnow()
     payload = {
       'identity': self.dongle_id,
       'nbf': now,
       'iat': now,
-      'exp': now + timedelta(hours=1)
+      'exp': now + timedelta(hours=expiry_hours)
     }
     token = jwt.encode(payload, self.private_key, algorithm='RS256')
     if isinstance(token, bytes):