Update CI to use GitHub Actions (#631)

.github/workflows/lint-docs.yml

@@ -0,0 +1,43 @@
+# This workflow  only runs linting and builds the documentation
+
+name: Docs & Linting - Matrix OS / Python Version
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  setup-build:
+    name: Ex1 (${{ matrix.python-version }}, ${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest", "macos-latest"]
+        python-version: [3.8]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -r dev-requirements.txt
+        pip install black flake8
+        pip install -e .
+    - name: Build Docs
+      run: |
+        make docs -B
+    - name: Run Black
+      run: |
+        flake8 earthpy
+    - name: Run Flake8
+      run: |
+        flake8 earthpy

.github/workflows/run-tests.yml

@@ -0,0 +1,52 @@
+# This workflow  runs tests for earthpy
+# Because we want a conda environment -  and that builds  slower,
+# we divided up  tests from linting and docs  to make  for simpler  install envts
+
+name: Run Tests - Matrix OS / Python Version
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  example-1:
+    name: Ex1 (${{ matrix.python-version }}, ${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: ["ubuntu-latest", "macos-latest", "windows-latest"]
+        python-version: [3.6, 3.7, 3.8]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup Conda
+        uses: s-weigand/setup-conda@v1
+        with:
+          update-conda: true
+          conda-channels: conda-forge
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Env
+        shell: bash
+        run: |
+          python --version
+          #conda env create -f ci/environment.yml
+          conda install -c  conda-forge matplotlib \
+            pytest requests  \
+            geopandas rasterio scikit-image
+
+      - name: Check Environment
+        shell: bash
+        run: |
+          conda list
+          python --version
+      - name: Run Tests
+        shell: bash
+        run: |
+          pytest -v --color=yes
+          python --version

.pre-commit-config.yaml

@@ -1,9 +1,9 @@
 repos:
 - repo: https://github.com/psf/black
-  rev: stable
+  rev: 20.8b1
   hooks:
   - id: black
-    language_version: python3.7
+    language_version: python3
 -   repo: https://gitlab.com/pycqa/flake8
     rev: 3.7.7
     hooks:

earthpy/plot.py

@@ -214,7 +214,6 @@ def plot_bands(
         ...                   title=titles,
         ...                   figsize=(8, 3))
         array([<AxesSubplot:title={'center':'Red'}>...
-
     """
     show = False
     try:

earthpy/tests/test_plot_bands.py

@@ -121,7 +121,7 @@ def test_single_band_2dims(one_band_3dims):
 
 
 def test_cbar_param(one_band_3dims):
-    """Test that the colorbar param works for a single band arr."""
+    """Test that the colorbar param works for a single band arr"""
     one_band_2dims = one_band_3dims[0]
     ax = ep.plot_bands(one_band_2dims, scale=True)
     arr = ax.get_images()[0].get_array()

environment.yml

@@ -5,7 +5,7 @@ dependencies:
   # Core scientific python
   - numpy
   - matplotlib
-  - python=3.6
+#  - python=3.6
 
   # Geo stuff
   - geopandas

examples/plot_dem_hillshade.py

@@ -80,7 +80,10 @@
 hillshade = es.hillshade(elevation)
 
 ep.plot_bands(
-    hillshade, cbar=False, title="Hillshade made from DTM", figsize=(10, 6),
+    hillshade,
+    cbar=False,
+    title="Hillshade made from DTM",
+    figsize=(10, 6),
 )
 plt.show()
 

examples/plot_raster_stack_crop.py

@@ -261,9 +261,9 @@
 #############################################################################
 # Crop Individual Bands
 # ---------------------
-# If you only need to crop one raster image, you can use EarthPy's 
+# If you only need to crop one raster image, you can use EarthPy's
 # ``es.crop_image()`` function.
-# This function takes a Rasterio object and crops it to the provided 
+# This function takes a Rasterio object and crops it to the provided
 # spatial extent.
 
 # Open Landsat image as a Rasterio object in order to crop it

examples/plot_rgb.py

@@ -172,7 +172,7 @@
     bound_utm13N = bound.to_crs(raster_profile["crs"])
 
 ################################################################################
-# Create a Plot With the Boundary overlayed on the RGB Image 
+# Create a Plot With the Boundary overlayed on the RGB Image
 # ----------------------------------------------------------
 # You can plot a polygon boundary over an image by creating a raster extent
 # for the plot using the ``plotting_extent`` function from ``rasterio.plot``.
@@ -205,7 +205,7 @@
 ###############################################################################
 # Create Figure with Multiple Axes or Subplots
 # --------------------------------------------
-# ```plot_rgb()`` has an ``ax=`` parameter which supports subplots. You can 
+# ```plot_rgb()`` has an ``ax=`` parameter which supports subplots. You can
 # create figures that contain multiple plots by creating multiple ax
 # objects, one for each plot. You can also specify the number of rows and
 # columns in which to display the plots. In the example below, the two plots