Added support for M1 architecture (Issue#37)

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+-   [Issue#37](https://github.com/matsoftware/swift-code-metrics/issues/37) Support for M1 architecture
 -   [Issue#34](https://github.com/matsoftware/swift-code-metrics/issues/34) Improved dependencies resolution
 
 ## [1.5.1](https://github.com/matsoftware/swift-code-metrics/releases/tag/1.5.1) - 2020-02-09

README.md

@@ -30,7 +30,7 @@ Inspired by the book of Robert C. Martin, _Clean Architecture_, the software wil
 
 This is a _Python 3_ script that depends on _matplotlib_, _adjustText_, _pyfunctional_ and _pygraphviz_.
 
-This latest package depends on the [Graphviz](https://www.graphviz.org/download/) binary that must be installed.
+This latest package depends on the [Graphviz](https://www.graphviz.org/download/) binary that must be installed before. If you're in a Mac environment, you can install it directly with `brew install graphviz`.
 
 ## Usage
 

install.sh

@@ -7,6 +7,11 @@ python3 -m venv "${top}"/venv
 
 "${top}"/venv/bin/python3 "${top}"/venv/bin/pip3 install wheel
 
+if arch | grep -q 'arm64'; then
+    echo "Overriding pygraphviz setup for M1 architecture"
+    "${top}"/venv/bin/python3 "${top}"/venv/bin/pip3 install --global-option=build_ext --global-option="-I$(brew --prefix graphviz)/include" --global-option="-L$(brew --prefix graphviz)/lib" pygraphviz
+fi
+
 "${top}"/venv/bin/python3 "${top}"/venv/bin/pip3 install -r requirements.txt
 
 "${top}"/venv/bin/python3 "${top}"/venv/bin/pip3 install -r tests-requirements.txt

setup.py

@@ -7,7 +7,7 @@
 install_requires = [
     "matplotlib >= 2",
     "adjustText < 1",
-    "pygraphviz == 1.5",
+    "pygraphviz > 1.5",
     "pyfunctional == 1.2",
     "numpy == 1.21.1",
     "dataclasses"