Added support for armv7l

.gitignore

@@ -16,3 +16,6 @@ __pycache__/
 
 # Our Sphinx extension (see: docs/_ext/) dynamically generates doc sources here.
 /docs/_/
+
+# IntelliJ projects.
+.idea/

CHANGES.md

@@ -1,5 +1,9 @@
 # Release Notes
 
+## 0.9.0
+
+This release adds support for Linux ARM (armv7l and armv8l 32 bit mode).
+
 ## 0.8.2
 
 Upgrade the science internal Python distribution to [PBS][PBS] CPython 3.12.8.

README.md

@@ -19,7 +19,7 @@ You'll need to download the correct binary for your system, mark it as executabl
 your $PATH somewhere.
 
 The binaries are released via [GitHub Releases](https://github.com/a-scie/lift/releases)
-for Windows, Linux and macOS for both aarch64 and x86-64. For each of these platforms
+for Windows, Linux and macOS for both armv7l (Linux only), aarch64 and x86-64. For each of these platforms
 there are two varieties, "thin" and "fat". The "fat" varieties are named `science-fat-*`, include
 a hermetic CPython 3.12 distribution from the [Python Build Standalone]() project and are larger as
 a result. The "thin" varieties have the CPython 3.12 distribution gouged out and are smaller as a

install.sh

@@ -77,6 +77,8 @@ function determine_arch() {
     amd64*)    echo "x86_64" ;;
     arm64*)    echo "aarch64" ;;
     aarch64*)  echo "aarch64" ;;
+    armv7l*)   echo "armv7l" ;;
+    armv8l*)   echo "armv7l" ;;
     *)         die "unknown arch: ${read_arch}" ;;
   esac
 }

science/platform.py

@@ -12,6 +12,7 @@
 
 class Platform(Enum):
     Linux_aarch64 = "linux-aarch64"
+    Linux_armv7l = "linux-armv7l"
     Linux_x86_64 = "linux-x86_64"
     Macos_aarch64 = "macos-aarch64"
     Macos_x86_64 = "macos-x86_64"
@@ -33,6 +34,8 @@ def current(cls) -> Platform:
         match (system := platform.system().lower(), machine := platform.machine().lower()):
             case ("linux", "aarch64" | "arm64"):
                 return cls.Linux_aarch64
+            case ("linux", "armv7l" | "armv8l"):
+                return cls.Linux_armv7l
             case ("linux", "amd64" | "x86_64"):
                 return cls.Linux_x86_64
             case ("darwin", "aarch64" | "arm64"):

science/providers/python_build_standalone.py

@@ -155,6 +155,10 @@ def rank_compatibility(platform: Platform, target_triple: str) -> int | None:
                 match target_triple:
                     case "aarch64-unknown-linux-gnu":
                         return 0
+            case Platform.Linux_armv7l:
+                match target_triple:
+                    case "armv7-unknown-linux-gnueabihf":
+                        return 0
             case Platform.Linux_x86_64:
                 match target_triple:
                     case "x86_64-unknown-linux-gnu":