Wrap-up pre-commit lint steps

Author: dcamron

_toc.yml

@@ -40,5 +40,5 @@
     - file: core/pandas
     - file: core/data-formats
     - file: core/xarray
-      sections: 
-      - file: core/xarray/xarray-nc-cf
+      sections:
+        - file: core/xarray/xarray-nc-cf

core/xarray/xarray-nc-cf.ipynb

@@ -120,6 +120,7 @@
    "source": [
     "# Use pandas to create an array of datetimes\n",
     "import pandas as pd\n",
+    "\n",
     "times = pd.date_range('2018-01-01', periods=5)\n",
     "times"
    ]
@@ -219,6 +220,7 @@
    "outputs": [],
    "source": [
     "from datetime import timedelta\n",
+    "\n",
     "temp.sel(time='2018-01-07', method='nearest', tolerance=timedelta(days=2))"
    ]
   },
@@ -251,7 +253,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "temp.sel(time=slice('2018-01-01', '2018-01-03'), lon=slice(-110, -70), lat=slice(25, 45))"
+    "temp.sel(\n",
+    "    time=slice('2018-01-01', '2018-01-03'), lon=slice(-110, -70), lat=slice(25, 45)\n",
+    ")"
    ]
   },
   {
@@ -289,7 +293,7 @@
    "outputs": [],
    "source": [
     "# This *doesn't* work however:\n",
-    "#temp.loc[-110:-70, 25:45,'2018-01-01':'2018-01-03']"
+    "# temp.loc[-110:-70, 25:45,'2018-01-01':'2018-01-03']"
    ]
   },
   {
@@ -494,6 +498,7 @@
    "outputs": [],
    "source": [
     "from cftime import date2num\n",
+    "\n",
     "time_units = 'hours since {:%Y-%m-%d 00:00}'.format(times[0])\n",
     "time_vals = date2num(times, time_units)\n",
     "time_vals"
@@ -519,12 +524,15 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "ds = xr.Dataset({'temperature': (['time', 'z', 'y', 'x'], temps, {'units':'Kelvin'})},\n",
-    "                 coords={'x_dist': (['x'], x, {'units':'km'}),\n",
-    "                         'y_dist': (['y'], y, {'units':'km'}),\n",
-    "                         'pressure': (['z'], press, {'units':'hPa'}),\n",
-    "                         'forecast_time': (['time'], times)\n",
-    "                })\n",
+    "ds = xr.Dataset(\n",
+    "    {'temperature': (['time', 'z', 'y', 'x'], temps, {'units': 'Kelvin'})},\n",
+    "    coords={\n",
+    "        'x_dist': (['x'], x, {'units': 'km'}),\n",
+    "        'y_dist': (['y'], y, {'units': 'km'}),\n",
+    "        'pressure': (['z'], press, {'units': 'hPa'}),\n",
+    "        'forecast_time': (['time'], times),\n",
+    "    },\n",
+    ")\n",
     "ds"
    ]
   },
@@ -635,11 +643,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "ds.x.attrs['axis'] = 'X' # Optional\n",
+    "ds.x.attrs['axis'] = 'X'  # Optional\n",
     "ds.x.attrs['standard_name'] = 'projection_x_coordinate'\n",
     "ds.x.attrs['long_name'] = 'x-coordinate in projected coordinate system'\n",
     "\n",
-    "ds.y.attrs['axis'] = 'Y' # Optional\n",
+    "ds.y.attrs['axis'] = 'Y'  # Optional\n",
     "ds.y.attrs['standard_name'] = 'projection_y_coordinate'\n",
     "ds.y.attrs['long_name'] = 'y-coordinate in projected coordinate system'"
    ]
@@ -696,9 +704,9 @@
    "outputs": [],
    "source": [
     "from pyproj import Proj\n",
+    "\n",
     "X, Y = np.meshgrid(x, y)\n",
-    "lcc = Proj({'proj':'lcc', 'lon_0':-105, 'lat_0':40, 'a':6371000.,\n",
-    "            'lat_1':25})\n",
+    "lcc = Proj({'proj': 'lcc', 'lon_0': -105, 'lat_0': 40, 'a': 6371000.0, 'lat_1': 25})\n",
     "lon, lat = lcc(X * 1000, Y * 1000, inverse=True)"
    ]
   },
@@ -715,8 +723,8 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "ds = ds.assign_coords(lon = (['y', 'x'], lon))\n",
-    "ds = ds.assign_coords(lat = (['y', 'x'], lat))\n",
+    "ds = ds.assign_coords(lon=(['y', 'x'], lon))\n",
+    "ds = ds.assign_coords(lat=(['y', 'x'], lat))\n",
     "ds"
    ]
   },
@@ -775,9 +783,9 @@
    "source": [
     "ds['lambert_projection'] = int()\n",
     "ds.lambert_projection.attrs['grid_mapping_name'] = 'lambert_conformal_conic'\n",
-    "ds.lambert_projection.attrs['standard_parallel'] = 25.\n",
-    "ds.lambert_projection.attrs['latitude_of_projection_origin'] = 40.\n",
-    "ds.lambert_projection.attrs['longitude_of_central_meridian'] = -105.\n",
+    "ds.lambert_projection.attrs['standard_parallel'] = 25.0\n",
+    "ds.lambert_projection.attrs['latitude_of_projection_origin'] = 40.0\n",
+    "ds.lambert_projection.attrs['longitude_of_central_meridian'] = -105.0\n",
     "ds.lambert_projection.attrs['semi_major_axis'] = 6371000.0\n",
     "ds.lambert_projection"
    ]

environment.yml

@@ -10,4 +10,4 @@ dependencies:
   - xarray
   - netcdf4
   - scipy
-  - pyproj
+  - pyproj