Miscellaneous style fixes spotted by landscape (#874)

caravel/__init__.py

@@ -24,9 +24,9 @@ CONFIG_MODULE = os.environ.get('CARAVEL_CONFIG', 'caravel.config')
 app = Flask(__name__)
 app.config.from_object(CONFIG_MODULE)
 if not app.debug:
-  # In production mode, add log handler to sys.stderr.
+    # In production mode, add log handler to sys.stderr.
-  app.logger.addHandler(logging.StreamHandler())
+    app.logger.addHandler(logging.StreamHandler())
-  app.logger.setLevel(logging.INFO)
+    app.logger.setLevel(logging.INFO)
 
 db = SQLA(app)
 

caravel/config.py

@@ -37,7 +37,7 @@ SECRET_KEY = '\2\1thisismyscretkey\1\2\e\y\y\h'  # noqa
 SQLALCHEMY_DATABASE_URI = 'sqlite:////tmp/caravel.db'
 # this is for platform specific: "nt" is for windows, "posix" is *nix (including Mac)
 if os.name == "nt":
-    SQLALCHEMY_DATABASE_URI = 'sqlite:///c:\\tmp\\caravel.db'    
+    SQLALCHEMY_DATABASE_URI = 'sqlite:///c:\\tmp\\caravel.db'
 # SQLALCHEMY_DATABASE_URI = 'mysql://myapp@localhost/myapp'
 # SQLALCHEMY_DATABASE_URI = 'postgresql://root:password@localhost/myapp'
 

caravel/forms.py

@@ -310,7 +310,7 @@ class FormFactory(object):
                 "description": _("Columns to display")
             }),
             'druid_time_origin': (FreeFormSelectField, {
-                "label": _( "Origin"),
+                "label": _("Origin"),
                 "choices": (
                     ('', _('default')),
                     ('now', _('now')),

caravel/migrations/versions/1226819ee0e3_fix_wrong_constraint_on_table_columns.py

@@ -11,7 +11,7 @@ revision = '1226819ee0e3'
 down_revision = '956a063c52b3'
 
 from alembic import op
-from caravel import db, models
+from caravel import db
 from caravel.utils import generic_find_constraint_name
 import logging
 

caravel/models.py

@@ -362,7 +362,6 @@ class Queryable(object):
             return "/caravel/explore/{obj.type}/{obj.id}/".format(obj=self)
 
 
-
 class Database(Model, AuditMixinNullable):
 
     """An ORM object that stores Database related information"""
@@ -536,7 +535,6 @@ class SqlaTable(Model, Queryable, AuditMixinNullable):
             'database_id', 'schema', 'table_name',
             name='_customer_location_uc'),)
 
-
     def __repr__(self):
         return self.table_name
 
@@ -743,7 +741,7 @@ class SqlaTable(Model, Queryable, AuditMixinNullable):
         qry = qry.limit(row_limit)
 
         if timeseries_limit and groupby:
-            # some sql dialects require for order by expressions 
+            # some sql dialects require for order by expressions
             # to also be in the select clause
             inner_select_exprs += [main_metric_expr]
             subq = select(inner_select_exprs)
@@ -765,7 +763,7 @@ class SqlaTable(Model, Queryable, AuditMixinNullable):
         sql = "{}".format(
             qry.compile(
                 engine, compile_kwargs={"literal_binds": True},),
-            )
+        )
         df = pd.read_sql_query(
             sql=sql,
             con=engine
@@ -1125,7 +1123,7 @@ class DruidDatasource(Model, AuditMixinNullable, Queryable):
         def int_or_0(v):
             try:
                 v = int(v)
-            except Exception as e:
+            except (TypeError, ValueError):
                 v = 0
             return v
         v1nums = [int_or_0(n) for n in v1.split('.')]
@@ -1282,7 +1280,7 @@ class DruidDatasource(Model, AuditMixinNullable, Queryable):
         if rejected_metrics:
             raise MetricPermException(
                 "Access to the metrics denied: " + ', '.join(rejected_metrics)
-        )
+            )
 
         granularity = granularity or "all"
         if granularity != "all":

caravel/utils.py

@@ -10,7 +10,6 @@ import functools
 import json
 import logging
 import numpy
-import time
 
 import parsedatetime
 import sqlalchemy as sa
@@ -300,7 +299,7 @@ def json_iso_dttm_ser(obj):
         obj = obj.isoformat()
     else:
         raise TypeError(
-             "Unserializable object {} of type {}".format(obj, type(obj))
+            "Unserializable object {} of type {}".format(obj, type(obj))
         )
     return obj
 
@@ -314,7 +313,7 @@ def json_int_dttm_ser(obj):
         obj = (obj - EPOCH).total_seconds() * 1000
     else:
         raise TypeError(
-             "Unserializable object {} of type {}".format(obj, type(obj))
+            "Unserializable object {} of type {}".format(obj, type(obj))
         )
     return obj
 

caravel/views.py

@@ -1331,7 +1331,6 @@ class Caravel(BaseCaravelView):
             }
             return json.dumps(data, default=utils.json_int_dttm_ser, allow_nan=False)
 
-
     @has_access
     @expose("/refresh_datasources/")
     def refresh_datasources(self):