Fixed Issue with macOS build using 'd:lto' flag + Added support for *.nim.cfg and *.nims files to specify compiler flags. + Amended the README see #52

.github/workflows/dev_workflow.yml

@@ -0,0 +1,46 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI_DEV
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events for the master and dev branches
+on:
+  push:
+    branches: [ dev ]
+  pull_request:
+    branches: [ master, dev ]
+
+jobs:
+
+  # ----------------------------------------------------------------------------
+  test-all:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest, macos-latest, ubuntu-latest]
+        python-version: ['3.10', 3.9, 3.8, 3.7, 3.6]
+        nim-version: [ '1.4.0', 'stable', 'devel' ]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - uses: jiro4989/setup-nim-action@v1.3
+        with:
+          nim-version: ${{ matrix.nim-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install setuptools wheel
+          python -m pip install .
+          python -m pip install -r requirements_dev.txt
+
+      - name: Test
+        run: pytest --cov=. tests

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         os: [windows-latest, macos-latest, ubuntu-latest]
-        python-version: [3.8, 3.7, 3.6]
+        python-version: ['3.10', 3.9, 3.8, 3.7, 3.6]
 
     steps:
       - uses: actions/checkout@v2
@@ -31,14 +31,14 @@ jobs:
 
       - uses: jiro4989/setup-nim-action@v1.3
         with:
-          nim-version: '1.0.6'
+          nim-version: 'stable'
 
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           python -m pip install setuptools wheel
           python -m pip install git+https://github.com/Pebaz/nimporter
-          python -m pip install -r requirements.txt
+          python -m pip install -r requirements_dev.txt
 
       - name: Test
         run: pytest --cov=. tests

.github/workflows/poetry_build_and_test.yml

@@ -0,0 +1,64 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI_DEV_POETRY
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events for the master and dev branches
+on:
+  push:
+    branches: [ dev ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+
+  # ----------------------------------------------------------------------------
+  test-all:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, ubuntu-latest ]
+        python-version: ['3.10', 3.9 ]
+        nim-version: [ 'stable', 'devel' ]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v1
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - uses: jiro4989/setup-nim-action@v1.3
+        with:
+          nim-version: ${{ matrix.nim-version }}
+
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+        with:
+          virtualenvs-create: true
+          virtualenvs-in-project: true
+      #            -   name: Clear corrupted cache
+      #                run: poetry cache clear pypi --all --no-interaction
+      #                if: ${{ matrix.os == 'ubuntu-latest' }} # Clear Linux cache
+      - name: Load cached venv
+        id: cached-pip-wheels
+        uses: actions/cache@v2
+#       if: ${{ matrix.os != 'ubuntu-latest' }} # Linux cache seems to be corrupted
+        with:
+          path: ~/.cache
+          key: venv-${{ runner.os }}-${{ matrix.python-version }}-${{ hashFiles('**/poetry.lock') }}
+      - name: Install dependencies
+        run: poetry install --no-interaction --no-root
+      - name: Install Package
+        run: poetry install --no-interaction
+      - name: Build Package
+        run: poetry build
+      - name: Run Type Checker
+        run: |
+          poetry run pip install types-setuptools
+          poetry run mypy
+      - name: Run Pytest with coverage
+        run: poetry run pytest --cov=.

.gitignore

@@ -109,3 +109,6 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+
+# Pycharm settings
+.idea/

README.md

@@ -90,8 +90,8 @@ treat an entire Nim project as a single module. The project must contain a
 and still be imported and compiled at runtime.
 
 Have a complex build requirement that would normally entail tweaking Nim
-compiler switches for each supported platform? Nimporter fully supports adding a
-`switches.py` file for libraries that need to customize the CLI flags for any
+compiler switches for each supported platform? Nimporter fully supports adding
+`*.nim.cfg` or `*.nims` files for libraries that need to customize the CLI flags for any
 platform seamlessly for both developing and bundling extensions.
 
 Since Nimporter relies on [Nimpy](https://github.com/yglukhov/nimpy) for Nim <->
@@ -172,7 +172,7 @@ Project/
             something2.py
         # some_nim_library is used as a single Python module
         # Can be directly imported but supports dependencies and custom switches
-        some_nim_library/  # Allows the use of `switches.py` and .nimble
+        some_nim_library/  # Allows the use of .nim.cfg, .nims and .nimble
             some_nim_library.nimble  # Dependency info
             some_nim_file1.nim
             some_nim_file2.nim
@@ -204,20 +204,30 @@ Project/
             # Must be named the same as the folder
             nim_ext_requiring_dependencies.nim
             # Can be used to customize Nim compiler switches per platform
-            switches.py
+            nim_ext_requiring_dependencies.nim.cfg
             # You can have `nim_ext_requiring_dependencies.nim` import other
             # Nim code as well
             other_necessary_nim_files.nim
 ```
 
 For several examples of how to structure a project, look in the `tests/` folder.
 
-## Compiler Switches using `switches.py`
+## Compiler Switches using `*.nim.cfg` or `*.nims`
+
+---
+**DEPRECATION NOTICE**
+
+The use of the file `switches.py` for specifying compiler flags has been deprecated in favour of
+`*.nim.cfg` or `*.nims` configuration files.
+
+---
 
 For Nim extension libraries only (a folder, nimble file, and Nim file of the
-same name), you can place a file called `switches.py` that Nimporter will use to
+same name), you can place a file called `*.nim.cfg` or `*.nims` to
 customize what flags get passed to the Nim compiler when it compiles that
 extension. For examples on how to do this, please look in the `tests/` folder.
+For documentation on the Nim compiler configuration files,
+please look [here](https://nim-lang.org/docs/nimc.html#compiler-usage-configuration-files).
 
 ### Increasing Speed by using the `-d:danger` flag
 
@@ -296,10 +306,12 @@ setup(
     ...,                            # Keep your existing arguments
     package_data={'': ['*.nim*']},  # Distribute *.nim & *.nim.cfg source files
     # include_package_data=True,    # <- This line cannot work with package_data
+    setup_requires = [
+        "choosenim_install", # Optional. Auto-installs Nim compiler
+         ],
     install_requires=[
         'nimporter',  # Must depend on Nimporter
-        'choosenim_install'  # Optional. Auto-installs Nim compiler
-    ]
+        ]
 )
 ```
 
@@ -430,7 +442,7 @@ This example will assume you are cloning the GitHub reposotory.
 ```bash
 $ git clone https://github.com/Pebaz/Nimporter
 $ cd Nimporter
-$ pip install -r requirements.txt
+$ pip install -r requirements_dev.txt
 $ pip install .  # Nimporter is needed for the integration tests
 $ pytest --cov=. --cov-report=html tests
 ```