Porting yt-project#2450 to yt-4.0

.travis.yml

@@ -1,7 +1,5 @@
 language: python
 dist: xenial
-sudo: required
-dist: xenial
 cache:
   pip: true
   directories:
@@ -51,11 +49,17 @@ install:
     $PIP install --upgrade pip
     $PIP install --upgrade wheel
     $PIP install --upgrade setuptools
+    echo "Travis build stage: $TRAVIS_BUILD_STAGE_NAME"
     # install dependencies yt
-    if [[ $TRAVIS_BUILD_STAGE_NAME != "Lint" ]]; then
+    if [[ ${TRAVIS_BUILD_STAGE_NAME} == "lint" ]]; then
+      export TRAVIS_BUILD_STAGE_NAME="Lint"
+    fi
+    if [[ ${TRAVIS_BUILD_STAGE_NAME} != "Lint" ]]; then
       if [[ $MINIMAL == 1 ]]; then
         # Ensure numpy and cython are installed so dependencies that need to be built
         # don't error out
+        # The first numpy to support py3.6 is 1.12, but numpy 1.13 matches 
+        # unyt so we'll match it here. 
         $PIP install numpy==1.13.3 cython==0.26.1
         $PIP install -r tests/test_minimal_requirements.txt
       else
@@ -64,8 +68,8 @@ install:
         # pyproject.toml in cartopy.
         # These versions are pinned, so we will need to update/remove them when
         # the hack is no longer necessary.
-        $PIP install numpy==1.16.2 cython==0.29
-        $PIP install -r tests/test_requirements.txt
+        $PIP install numpy==1.18.1 cython==0.29.6
+        CFLAGS="$CFLAGS -DACCEPT_USE_OF_DEPRECATED_PROJ_API_H" $PIP install -r tests/test_requirements.txt
       fi
       $PIP install -e .
     else
@@ -74,40 +78,29 @@ install:
 
 jobs:
   include:
-    - stage: lint
-      python: 3.7
+    - stage: Lint
+      python: 3.6
       script: flake8 yt/
 
     - stage: tests
-      name: "Minimal Dependency Version Unit Tests"
-      python: 3.5
+      name: "Python: 3.6 Minimal Dependency Unit Tests"
+      python: 3.6
       env: MINIMAL=1
       script: coverage run $(which nosetests) -c nose_unit.cfg
 
-    - stage: tests
-      name: "Python: 3.5 Unit Tests"
-      python: 3.5
-      script: coverage run $(which nosetests) -c nose_unit.cfg
-
     - stage: tests
       name: "Python: 3.6 Unit Tests"
       python: 3.6
       script: coverage run $(which nosetests) -c nose_unit.cfg
 
     - stage: tests
-      name: "Python: 3.7 Unit Tests"
-      python: 3.7
+      name: "Python: 3.8 Unit Tests"
+      python: 3.8
       script: coverage run $(which nosetests) -c nose_unit.cfg
-
-    - name: "Minimal Dependency Version Answer Tests"
-      python: 3.5
-      env: MINIMAL=1
-      script: coverage run $(which nosetests) -c nose_answer.cfg
-      after_failure: python tests/report_failed_answers.py -f -m --xunit-file "answer_nosetests.xml"
 
     - stage: tests
-      name: "Python: 3.7 Answer Tests"
-      python: 3.7
+      name: "Python: 3.6 Answer Tests"
+      python: 3.6
       script: coverage run $(which nosetests) -c nose_answer.cfg
       after_failure: python tests/report_failed_answers.py -f -m --xunit-file "answer_nosetests.xml"
 
@@ -127,6 +120,9 @@ jobs:
 
 after_success:
   - |
-    if [[ $TRAVIS_BUILD_STAGE_NAME != "Lint" ]]; then
+    if [[ ${TRAVIS_BUILD_STAGE_NAME} == "lint" ]]; then
+      export TRAVIS_BUILD_STAGE_NAME="Lint"
+    fi
+    if [[ ${TRAVIS_BUILD_STAGE_NAME} != "Lint" ]]; then
       codecov
     fi

appveyor.yml

@@ -9,6 +9,8 @@ environment:
   matrix:
       - PYTHON_VERSION: "3.6"
         NUMPY_VERSION: "1.16"
+      - PYTHON_VERSION: "3.8"
+        NUMPY_VERSION: "1.16"
 
 platform:
     -x64
@@ -30,16 +32,16 @@ install:
     - "python --version"
 
     # Install specified version of numpy and dependencies
-    - "conda install --yes -c conda-forge numpy==%NUMPY_VERSION% scipy nose setuptools ipython
-    Cython sympy fastcache h5py matplotlib mock pandas cartopy conda-build unyt pooch"
+    - "conda install --yes -c conda-forge numpy==%NUMPY_VERSION% scipy nose pytest setuptools ipython
+    Cython sympy fastcache h5py matplotlib=3.1.3 mock pandas cartopy conda-build unyt pooch pyyaml"
     # install yt
-    - "conda develop -b ."
+    - "pip install -e ."
 
 # Not a .NET project
 build: false
 
 test_script:
-  - "nosetests --nologcapture -sv yt"
+    - "nosetests --nologcapture -sv --traverse-namespace yt"
 
 # Enable this to be able to login to the build worker. You can use the
 # `remmina` program in Ubuntu, use the login information that the line below

tests/test_requirements.txt

@@ -5,21 +5,25 @@ fastcache==1.0.2
 glueviz==0.13.3
 h5py==2.8.0
 ipython==7.1.1
-matplotlib==3.0.1
+matplotlib==3.1.3
 nose-timer==0.7.3
 nose==1.3.7
 pandas==0.23.4
+pytest~=5.2
 requests==2.20.0
-scipy==1.1.0
-sympy==1.3
+scipy==1.3.3
+sympy==1.5
 pyqt5==5.11.3
 pint==0.8.1
-netCDF4==1.4.2
+netCDF4==1.5.3
 libconf==1.0.1
 cartopy==0.17.0
 pyaml==17.10.0
-mpi4py==3.0.0
+mpi4py==3.0.3
 unyt==2.2.2
 pyyaml>=4.2b1
+xarray==0.12.3
+firefly_api>=0.0.2
+f90nml>=1.1.2
 MiniballCpp>=0.2.1
 pooch>=0.7.0

yt/visualization/tests/test_geo_projections.py

@@ -56,7 +56,6 @@ def setUp(self):
 
     def tearDown(self):
         del self.ds
-        del self.slc
 
     def test_geo_projection_setup(self):