Use toml instead of ini for broker config

piker/brokers/config.py

@@ -3,13 +3,14 @@ Broker configuration mgmt.
 """
 import os
 import configparser
+import toml
 import click
 from ..log import get_logger
 
 log = get_logger('broker-config')
 
 _config_dir = click.get_app_dir('piker')
-_file_name = 'brokers.ini'
+_file_name = 'brokers.toml'
 
 
 def _override_config_dir(
@@ -25,18 +26,17 @@ def get_broker_conf_path():
 
 def load(
     path: str = None
-) -> (configparser.ConfigParser, str):
+) -> (dict, str):
     """Load broker config.
     """
     path = path or get_broker_conf_path()
-    config = configparser.ConfigParser()
-    config.read(path)
+    config = toml.load(path)
     log.debug(f"Read config file {path}")
     return config, path
 
 
 def write(
-    config: configparser.ConfigParser,
+    config: dict,  # toml config as dict
     path: str = None,
 ) -> None:
     """Write broker config to disk.
@@ -49,6 +49,10 @@ def write(
         log.debug(f"Creating config dir {_config_dir}")
         os.makedirs(dirname)
 
+    if not config:
+        raise ValueError(
+            "Watch out you're trying to write a blank config!")
+
     log.debug(f"Writing config file {path}")
     with open(path, 'w') as cf:
-        return config.write(cf)
+        return toml.dump(config, cf)

piker/brokers/questrade.py

@@ -56,7 +56,7 @@ def refresh_token_on_err(tries=3):
         client = api.client
 
         if not client._has_access.is_set():
-            log.warning("WAITING ON ACCESS LOCK")
+            log.warning("Waiting on access lock")
             await client._has_access.wait()
 
         for i in range(1, tries):
@@ -210,7 +210,7 @@ class Client:
     """
     def __init__(
         self,
-        config: configparser.ConfigParser,
+        config: dict,
     ):
         self._sess = asks.Session()
         self.api = _API(self)
@@ -539,7 +539,9 @@ def get_config(
     """
     log.debug("Reloading access config data")
     conf, path = config.load(config_path)
-    if force_from_user:
+    if force_from_user or (
+        not conf.get('questrade') or not conf['questrade'].get('refresh_token')
+    ):
         log.warn(f"Forcing manual token auth from user")
         _token_from_user(conf)
 
@@ -554,9 +556,6 @@ async def get_client(
     """Spawn a broker client for making requests to the API service.
     """
     conf, path = get_config(config_path)
-    if not conf.has_section('questrade'):
-        raise ValueError(
-            f"No `questrade` section could be found in {path}")
     log.debug(f"Loaded config:\n{colorize_json(dict(conf['questrade']))}")
     client = Client(conf)
     await client.ensure_access(ask_user=ask_user)