Change `Client.symbols()` to `symbol_data()`

Make `symbol_data()` a common backend API method for looking up
auxiliary ticker/symbol data from brokers. It seems most have such
a call/endpoint.

piker/brokers/questrade.py

@@ -17,7 +17,7 @@ from ..log import get_logger, colorize_json
 import asks
 asks.init('trio')
 
-log = get_logger('questrade')
+log = get_logger(__name__)
 
 _refresh_token_ep = 'https://login.questrade.com/oauth2/'
 _version = 'v1'
@@ -165,8 +165,8 @@ class Client:
 
         return quotes
 
-    async def symbols(self, tickers):
-        """Return quotes for each ticker in ``tickers``.
+    async def symbol_data(self, tickers: [str]):
+        """Return symbol data for ``tickers``.
         """
         t2ids = await self.tickers2ids(tickers)
         ids = ','.join(map(str, t2ids.values()))

piker/brokers/robinhood.py

@@ -4,14 +4,15 @@ Robinhood API backend.
 from functools import partial
 
 from async_generator import asynccontextmanager
+# TODO: move to urllib3/requests once supported
 import asks
 
 from ..log import get_logger
 from ._util import resproc
 from ..calc import percent_change
 
-log = get_logger('robinhood')
-
+asks.init('trio')
+log = get_logger(__name__)
 _service_ep = 'https://api.robinhood.com'
 
 
@@ -43,15 +44,25 @@ class Client:
         self._sess.base_location = _service_ep
         self.api = _API(self._sess)
 
-    async def quote(self, symbols: [str]):
-        results = (await self.api.quotes(','.join(symbols)))['results']
-        return {quote['symbol'] if quote else sym: quote
-                for sym, quote in zip(symbols, results)}
+    def _zip_in_order(self, symbols: [str], results_dict: dict):
+        return {quote.get('symbol', sym) if quote else sym: quote
+                for sym, quote in zip(symbols, results_dict)}
 
-    async def symbols(self, tickers: [str]):
-        """Placeholder for the watchlist calling code...
+    async def quote(self, symbols: [str]):
+        """Retrieve quotes for a list of ``symbols``.
         """
-        return {}
+        return self._zip_in_order(
+            symbols,
+            (await self.api.quotes(','.join(symbols)))['results']
+        )
+
+    async def symbol_data(self, symbols: [str]):
+        """Retrieve symbol data via the ``fundmentals`` endpoint.
+        """
+        return self._zip_in_order(
+            symbols,
+            (await self.api.fundamentals(','.join(symbols)))['results']
+        )
 
 
 @asynccontextmanager