CI: Add MacOS Conda deployment step

.circleci/config.yml

@@ -258,6 +258,43 @@ jobs:
           command: |
             anaconda -t $ANACONDA_TOKEN upload -u Radiomics /conda-bld/linux-64/pyradiomics-*.tar.bz2 --force
 
+  deploy_conda_macos:
+    working_directory: ~/pyradiomics
+    macos:
+      xcode: 12.5.1
+    steps:
+      - run:
+          name: Setup MAC OS environment
+          # Workaround the following error occurring because python installation is cached but gettext dependency is not
+          #   dyld: Library not loaded: /usr/local/opt/gettext/lib/libintl.8.dylib
+          #     Referenced from: /Users/travis/.pyenv/versions/3.7.2/bin/python
+          #     Reason: Incompatible library version: python requires version 11.0.0 or later, but libintl.8.dylib provides version 10.0.0
+          # See https://github.com/scikit-build/cmake-python-distributions/issues/112 and
+          # https://github.com/scikit-build/cmake-python-distributions/pull/113
+          command: |
+            echo "HOMEBREW_NO_AUTO_UPDATE=1" >> $BASH_ENV
+            brew install gettext
+            brew install pyenv
+            pyenv install miniconda3-latest
+            echo 'export PATH=$HOME/.pyenv/versions/miniconda3-latest/bin:$PATH' >> $BASH_ENV
+      - checkout
+      - run:
+          name: Configure Miniconda
+          command: |
+            bash ./conda/configure_conda.sh
+      - run:
+          name: Build Conda packages
+          command: |
+            mkdir  ~/conda-bld
+            conda build ./conda --python=3.6 --croot ~/conda-bld
+            conda build ./conda --python=3.7 --croot ~/conda-bld
+            conda build ./conda --python=3.8 --croot ~/conda-bld
+            conda build ./conda --python=3.9 --croot ~/conda-bld
+      - run:
+          name: Deploy Conda packages
+          command: |
+            anaconda -t $ANACONDA_TOKEN upload -u Radiomics ~/conda-bld/osx-64/pyradiomics-*.tar.bz2 --force
+
 workflows:
   version: 2
   build_and_deploy:
@@ -303,7 +340,7 @@ workflows:
             tags:
               only:
                 - /^v?[0-9]+(\.[0-9]+)*/
-      - deploy_conda:
+      - deploy_conda:  &deploy_conda_template
           <<: *requires_template
           filters:
             branches:
@@ -312,3 +349,6 @@ workflows:
             tags:
               only:
                 - /^v?[0-9]+(\.[0-9]+)*((a|b|rc)[0-9]+)?/
+
+      - deploy_conda_macos:
+          <<: *deploy_conda_template