Fix Numpy 2.x compatibility

.github/workflows/release.yml

@@ -17,13 +17,13 @@ jobs:
     if: github.ref == 'refs/heads/master'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install poetry
         run: pipx install poetry==$POETRY_VERSION
-      - name: Set up Python 3.10
-        uses: actions/setup-python@v4
+      - name: Set up Python 3.11
+        uses: actions/setup-python@v5
         with:
-          python-version: "3.10"
+          python-version: "3.11"
           cache: "poetry"
       - name: Build project for distribution
         run: poetry build

.github/workflows/test.yml

@@ -13,16 +13,16 @@ jobs:
     strategy:
       matrix:
         python-version:
-          - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
+          - "3.12"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Install poetry
         run: pipx install poetry==$POETRY_VERSION
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
           cache: "poetry"

fcsparser/api.py

@@ -577,10 +577,13 @@ def read_data(self, file_handle):
         ##
         # Convert to native byte order
         # This is needed for working with pandas data structures
-        native_code = "<" if (sys.byteorder == "little") else ">"
+        sys_is_le = sys.byteorder == 'little'
+        native_code = '<' if sys_is_le else '>'
+        swapped_code = '>' if sys_is_le else '<'
         if endian != native_code:
             # swaps the actual bytes and also the endianness
-            data = data.byteswap().newbyteorder()
+            # updated to be numpy>= 2.0 compliant
+            data = data.view(data.dtype.newbyteorder(swapped_code)).byteswap()
 
         # Mask off high bits if integer type data
         if text["$DATATYPE"] == "I":