Merge branch 'master' into yohai-ds_scatter

* master:
  DEP: drop python 2 support and associated ci mods (pydata#2637)
  TST: silence warnings from bottleneck (pydata#2638)
  revert to dev version
  DOC: fix docstrings and doc build for 0.11.1
  Source encoding always set when opening datasets (pydata#2626)
  Add flake check to travis (pydata#2632)
  Fix dayofweek and dayofyear attributes from dates generated by cftime_range (pydata#2633)
  silence import warning (pydata#2635)
  fill_value in shift (pydata#2470)
  Flake fixed (pydata#2629)
  Allow passing of positional arguments in `apply` for Groupby objects (pydata#2413)
  Fix failure in time encoding for pandas < 0.21.1 (pydata#2630)
  Fix multiindex selection (pydata#2621)
  Close files when CachingFileManager is garbage collected (pydata#2595)
  added some logic to deal with rasterio objects in addition to filepaths (pydata#2589)
  Get 0d slices of ndarrays directly from indexing (pydata#2625)
  FIX Don't raise a deprecation warning for xarray.ufuncs.{angle,iscomplex} (pydata#2615)
  CF: also decode time bounds when available (pydata#2571)

Author: dcherian

.travis.yml

@@ -10,8 +10,7 @@ branches:
 matrix:
   fast_finish: true
   include:
-  - env: CONDA_ENV=py27-min
-  - env: CONDA_ENV=py27-cdat+iris+pynio
+  - env: CONDA_ENV=py35-min
   - env: CONDA_ENV=py35
   - env: CONDA_ENV=py36
   - env: CONDA_ENV=py37
@@ -29,9 +28,10 @@ matrix:
   - env: CONDA_ENV=py36-bottleneck-dev
   - env: CONDA_ENV=py36-condaforge-rc
   - env: CONDA_ENV=py36-pynio-dev
-  - env: CONDA_ENV=py36-rasterio-0.36
+  - env: CONDA_ENV=py36-rasterio
   - env: CONDA_ENV=py36-zarr-dev
   - env: CONDA_ENV=docs
+  - env: CONDA_ENV=flake8
   - env: CONDA_ENV=py36-hypothesis
 
   allow_failures:
@@ -62,6 +62,8 @@ before_install:
 install:
   - if [[ "$CONDA_ENV" == "docs" ]]; then
       conda env create -n test_env --file doc/environment.yml;
+    elif [[ "$CONDA_ENV" == "flake8" ]]; then
+      conda env create -n test_env --file ci/requirements-py37.yml;
     else
       conda env create -n test_env --file ci/requirements-$CONDA_ENV.yml;
     fi
@@ -77,6 +79,8 @@ script:
   - if [[ "$CONDA_ENV" == "docs" ]]; then
       conda install -c conda-forge sphinx sphinx_rtd_theme sphinx-gallery numpydoc;
       sphinx-build -n -j auto -b html -d _build/doctrees doc _build/html;
+    elif [[ "$CONDA_ENV" == "flake8" ]]; then
+      flake8 xarray ;
     elif [[ "$CONDA_ENV" == "py36-hypothesis" ]]; then
       pytest properties ;
     else

appveyor.yml

@@ -7,15 +7,14 @@ branches:
 environment:
 
   matrix:
-    - PYTHON: "C:\\Python27-conda64"
-      PYTHON_VERSION: "2.7"
-      PYTHON_ARCH: "64"
-      CONDA_ENV: "py27-windows"
-
     - PYTHON: "C:\\Python36-conda64"
       PYTHON_VERSION: "3.6"
       PYTHON_ARCH: "64"
       CONDA_ENV: "py36-windows"
+    - PYTHON: "C:\\Python37-conda64"
+      PYTHON_VERSION: "3.7"
+      PYTHON_ARCH: "64"
+      CONDA_ENV: "py37-windows"
 
 install:
   # Install miniconda Python

ci/requirements-py27-cdat+iris+pynio.yml

@@ -1,11 +1,12 @@
 name: test_env
 dependencies:
-  - python=2.7
+  - python=3.5
   - pytest
   - flake8
   - mock
   - numpy=1.12
   - pandas=0.19
   - pip:
-    - coveralls
+    - pytest-env
     - pytest-cov
+    - coveralls

ci/requirements-py27-min.yml renamed to ci/requirements-py35-min.yml

@@ -10,6 +10,9 @@ dependencies:
   - matplotlib=1.5
   - netcdf4
   - pytest
+  - pytest-env
+  - pytest-cov
+  - coveralls
   - flake8
   - numpy
   - pandas
@@ -18,6 +21,3 @@ dependencies:
   - toolz
   - rasterio
   - zarr
-  - pip:
-    - coveralls
-    - pytest-cov

ci/requirements-py35.yml

@@ -11,6 +11,9 @@ dependencies:
   - matplotlib
   - netcdf4
   - pytest
+  - pytest-env
+  - pytest-cov
+  - coveralls
   - flake8
   - numpy
   - pandas
@@ -19,5 +22,3 @@ dependencies:
   - toolz
   - pip:
     - git+https://github.com/kwgoodman/bottleneck.git
-    - coveralls
-    - pytest-cov

ci/requirements-py36-bottleneck-dev.yml

@@ -12,12 +12,12 @@ dependencies:
   - matplotlib
   - netcdf4
   - pytest
+  - pytest-env
+  - pytest-cov
+  - coveralls
   - flake8
   - numpy
   - pandas
   - seaborn
   - scipy
   - toolz
-  - pip:
-    - coveralls
-    - pytest-cov

ci/requirements-py36-condaforge-rc.yml

@@ -9,6 +9,9 @@ dependencies:
   - matplotlib
   - netcdf4
   - pytest
+  - pytest-env
+  - pytest-cov
+  - coveralls
   - flake8
   - numpy
   - pandas
@@ -20,7 +23,5 @@ dependencies:
   - zarr
   - pseudonetcdf>=3.0.1
   - pip:
-    - coveralls
-    - pytest-cov
     - git+https://github.com/dask/dask.git
     - git+https://github.com/dask/distributed.git

ci/requirements-py36-dask-dev.yml

@@ -10,6 +10,10 @@ dependencies:
   - matplotlib
   - netcdf4
   - pytest
+  - pytest-env
+  - pytest-cov
+  - coveralls
+  - hypothesis
   - flake8
   - numpy
   - pandas
@@ -19,9 +23,5 @@ dependencies:
   - rasterio
   - bottleneck
   - zarr
-  - pip:
-    - coveralls
-    - pytest-cov
-    - pydap
-    - lxml
-    - hypothesis
+  - pydap
+  - lxml

ci/requirements-py36-hypothesis.yml

@@ -10,13 +10,14 @@ dependencies:
   - h5netcdf
   - matplotlib
   - pytest
+  - pytest-env
+  - pytest-cov
+  - coveralls
   - flake8
   - numpy
   - pandas
   - scipy
   - toolz
   - pip:
-    - coveralls
-    - pytest-cov
     - git+https://github.com/Unidata/netcdf4-python.git
     - git+https://github.com/Unidata/cftime.git