PEP8

Author: femtotrader

pandas_datareader/base.py

@@ -8,11 +8,10 @@
 
 from pandas import to_datetime
 import pandas.compat as compat
-from pandas.core.common import PandasError, is_number
+from pandas.core.common import is_number
 from pandas import Panel, DataFrame
 from pandas import read_csv
 from pandas.compat import StringIO, bytes_to_str
-from pandas.util.testing import _network_error_classes
 
 from pandas_datareader._utils import RemoteDataError, SymbolWarning
 
@@ -125,11 +124,11 @@ def _read_lines(self, out):
         # return 2 rows for the most recent business day
         if len(rs) > 2 and rs.index[-1] == rs.index[-2]:  # pragma: no cover
             rs = rs[:-1]
-        #Get rid of unicode characters in index name.
+        # Get rid of unicode characters in index name.
         try:
             rs.index.name = rs.index.name.decode('unicode_escape').encode('ascii', 'ignore')
         except AttributeError:
-            #Python 3 string has no decode method.
+            # Python 3 string has no decode method.
             rs.index.name = rs.index.name.encode('ascii', 'ignore').decode()
         return rs
 

pandas_datareader/data.py

@@ -5,12 +5,12 @@
 import warnings
 
 from pandas_datareader.google.daily import GoogleDailyReader
-from pandas_datareader.google.quotes import _get_data as get_quote_google
+from pandas_datareader.google.quotes import _get_data as get_quote_google  # noqa
 
 from pandas_datareader.yahoo.daily import YahooDailyReader
 from pandas_datareader.yahoo.quotes import YahooQuotesReader
 from pandas_datareader.yahoo.actions import YahooActionReader
-from pandas_datareader.yahoo.components import _get_data as get_components_yahoo
+from pandas_datareader.yahoo.components import _get_data as get_components_yahoo  # noqa
 from pandas_datareader.yahoo.options import Options as YahooOptions
 
 from pandas_datareader.eurostat import EurostatReader
@@ -23,18 +23,23 @@
 def get_data_fred(*args, **kwargs):
     return FredReader(*args, **kwargs).read()
 
+
 def get_data_famafrench(*args, **kwargs):
     return FamaFrenchReader(*args, **kwargs).read()
 
+
 def get_data_google(*args, **kwargs):
     return GoogleDailyReader(*args, **kwargs).read()
 
+
 def get_data_yahoo(*args, **kwargs):
     return YahooDailyReader(*args, **kwargs).read()
 
+
 def get_data_yahoo_actions(*args, **kwargs):
     return YahooActionReader(*args, **kwargs).read()
 
+
 def get_quote_yahoo(*args, **kwargs):
     return YahooQuotesReader(*args, **kwargs).read()
 
@@ -136,9 +141,8 @@ def DataReader(name, data_source=None, start=None, end=None,
                                 retry_count=retry_count, pause=pause,
                                 session=session).read()
     else:
-        raise NotImplementedError(
-                "data_source=%r is not implemented" % data_source)
-
+        msg = "data_source=%r is not implemented" % data_source
+        raise NotImplementedError(msg)
 
 
 def Options(symbol, data_source=None, session=None):

pandas_datareader/eurostat.py

@@ -41,4 +41,3 @@ def _read_one_data(self, url, params):
         except ValueError:
             pass
         return data
-

pandas_datareader/famafrench.py

@@ -103,7 +103,7 @@ def _read_one_data(self, url, params):
 
             df = read_csv(StringIO('Date' + src[start:]), **params)
             try:
-                idx_name = df.index.name # hack for pandas 0.16.2
+                idx_name = df.index.name  # hack for pandas 0.16.2
                 df = df.to_period(df.index.inferred_freq[:1])
                 df.index.name = idx_name
             except:

pandas_datareader/fred.py

@@ -5,7 +5,6 @@
 
 
 class FredReader(_BaseReader):
-
     """
     Get data for the given name from the St. Louis FED (FRED).
     Date format is datetime
@@ -36,7 +35,7 @@ def fetch_data(url, name):
                             na_values='.')
             try:
                 return data.truncate(self.start, self.end)
-            except KeyError: # pragma: no cover
+            except KeyError:  # pragma: no cover
                 if data.ix[3].name[7:12] == 'Error':
                     raise IOError("Failed to get the data. Check that {0!r} is "
                                   "a valid FRED series.".format(name))

pandas_datareader/io/__init__.py

@@ -1,2 +1,2 @@
-from pandas_datareader.io.jsdmx import read_jsdmx
-from pandas_datareader.io.sdmx import read_sdmx
+from pandas_datareader.io.jsdmx import read_jsdmx  # noqa
+from pandas_datareader.io.sdmx import read_sdmx  # noqa

pandas_datareader/io/jsdmx.py

@@ -3,7 +3,6 @@
 from __future__ import unicode_literals
 
 import itertools
-import os
 import sys
 
 import numpy as np
@@ -100,4 +99,3 @@ def _parse_dimensions(dimensions):
         names.append(key['name'])
     midx = pd.MultiIndex.from_product(arrays, names=names)
     return midx
-

pandas_datareader/io/sdmx.py

@@ -1,11 +1,8 @@
 from __future__ import unicode_literals
 
 import collections
-import os
 
-import numpy as np
 import pandas as pd
-import pandas.compat as compat
 
 from pandas_datareader.io.util import _read_content
 
@@ -155,7 +152,6 @@ def _get_english_name(element):
     return name
 
 
-
 SDMXCode = collections.namedtuple('SDMXCode', ['codes', 'ts'])
 
 

pandas_datareader/io/tests/test_jsdmx.py

@@ -4,7 +4,6 @@
 
 import numpy as np
 import pandas as pd
-from pandas.compat import range
 import pandas.util.testing as tm
 
 from pandas_datareader.io import read_jsdmx
@@ -13,7 +12,7 @@
 class TestJSDMX(tm.TestCase):
 
     def setUp(self):
-      self.dirpath = tm.get_data_path()
+        self.dirpath = tm.get_data_path()
 
     def test_tourism(self):
         # OECD -> Industry and Services -> Inbound Tourism

pandas_datareader/io/util.py

@@ -2,7 +2,6 @@
 
 import os
 
-import pandas as pd
 import pandas.compat as compat
 from pandas.io.common import get_filepath_or_buffer
 
@@ -15,7 +14,7 @@ def _read_content(path_or_buf):
     if isinstance(filepath_or_buffer, compat.string_types):
         try:
             exists = os.path.exists(filepath_or_buffer)
-        except (TypeError,ValueError):
+        except (TypeError, ValueError):
             exists = False
 
         if exists:

pandas_datareader/oecd.py

@@ -25,7 +25,7 @@ def _read_lines(self, out):
         """ read one data from specified URL """
         df = read_jsdmx(out)
         try:
-            idx_name = df.index.name # hack for pandas 0.16.2
+            idx_name = df.index.name  # hack for pandas 0.16.2
             df.index = pd.to_datetime(df.index)
             df = df.sort_index()
             df = df.truncate(self.start, self.end)