Update docstrings

Author: addisonlynch

pandas_datareader/moex.py

@@ -15,11 +15,12 @@ class MoexReader(_DailyBaseReader):
     symbols : str, an array-like object (list, tuple, Series), or a DataFrame
         A single stock symbol (secid), an array-like object of symbols or
         a DataFrame with an index containing stock symbols.
-    start : str, (defaults to '1/1/2010')
-        The starting date, timestamp. Parses many different kind of date
-        representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980')
-    end : str, (defaults to today)
-        The ending date, timestamp. Same format as starting date.
+    start : string, int, date, datetime, timestamp
+        Starting date. Parses many different kind of date
+        representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980'). Defaults to
+        20 years before current date.
+    end : string, int, date, datetime, timestamp
+        Ending date
     retry_count : int, default 3
         The number of times to retry query request.
     pause : int, default 0.1

pandas_datareader/quandl.py

@@ -23,11 +23,12 @@ class QuandlReader(_DailyBaseReader):
         Beware of ambiguous symbols (different securities per country)!
         Note: Cannot use more than a single string because of the inflexible
         way the URL is composed of url and _get_params in the superclass
-    start : string
-        Starting date, timestamp. Parses many different kind of date
-        representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980')
-    end : string, (defaults to today)
-        Ending date, timestamp. Same format as starting date.
+    start : string, int, date, datetime, timestamp
+        Starting date. Parses many different kind of date
+        representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980'). Defaults to
+        20 years before current date.
+    end : string, int, date, datetime, timestamp
+        Ending date
     retry_count : int, default 3
         Number of times to retry query request.
     pause : int, default 0.1

pandas_datareader/stooq.py

@@ -12,8 +12,12 @@ class StooqDailyReader(_DailyBaseReader):
     symbols : string, array-like object (list, tuple, Series), or DataFrame
         Single stock symbol (ticker), array-like object of symbols or
         DataFrame with index containing stock symbols.
-    start: string, date which to start interval at YYYYMMDD.
-    end: string, date which to end interval at YYYYMMDD.
+    start : string, int, date, datetime, timestamp
+        Starting date. Parses many different kind of date
+        representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980'). Defaults to
+        20 years before current date.
+    end : string, int, date, datetime, timestamp
+        Ending date
     retry_count : int, default 3
         Number of times to retry query request.
     pause : int, default 0.1

pandas_datareader/tests/test_utils.py

@@ -10,6 +10,7 @@ class TestUtils(object):
         "input_date",
         [
             "2019-01-01",
+            "JAN-01-2010",
             dt.datetime(2019, 1, 1),
             dt.date(2019, 1, 1),
             pd.Timestamp(2019, 1, 1),

pandas_datareader/tiingo.py

@@ -34,11 +34,12 @@ class TiingoIEXHistoricalReader(_BaseReader):
         ----------
         symbols : {str, List[str]}
             String symbol of like of symbols
-        start : str, (defaults to '1/1/2010')
-            Starting date, timestamp. Parses many different kind of date
-            representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980')
-        end : str, (defaults to today)
-            Ending date, timestamp. Same format as starting date.
+        start : string, int, date, datetime, timestamp
+            Starting date. Parses many different kind of date
+            representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980'). Defaults to
+            20 years before current date.
+        end : string, int, date, datetime, timestamp
+            Ending date
         retry_count : int, default 3
             Number of times to retry query request.
         pause : float, default 0.1

pandas_datareader/tsp.py

@@ -12,11 +12,12 @@ class TSPReader(_BaseReader):
     symbols : str, array-like object (list, tuple, Series), or DataFrame
         Single stock symbol (ticker), array-like object of symbols or
         DataFrame with index containing stock symbols.
-    start : str, (defaults to '1/1/2010')
-        Starting date, timestamp. Parses many different kind of date
-        representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980')
-    end : str, (defaults to today)
-        Ending date, timestamp. Same format as starting date.
+    start : string, int, date, datetime, timestamp
+        Starting date. Parses many different kind of date
+        representations (e.g., 'JAN-01-2010', '1/1/10', 'Jan, 1, 1980'). Defaults to
+        20 years before current date.
+    end : string, int, date, datetime, timestamp
+        Ending date
     retry_count : int, default 3
         Number of times to retry query request.
     pause : int, default 0.1