Python versioning and Lint modernisation (#210)

* Added function for compatibility with rapid block mode.

Ditch 3.7, python 3.9 is now minimum. 
Add 3.13

* Little typo with folder.

* Reverted changes accidentally included in this branch.

* Update actions to latest versions.

* Revert to flake8

* Add more python tests

* Update setup.py

* Update setup.py

---------

Co-authored-by: Nick Clark <nclark@magdrivespace.com>
Co-authored-by: Mark Harfouche <mark.harfouche@gmail.com>

Author: 3 people

.github/workflows/test.yml

@@ -11,12 +11,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.11', '3.12']
-
+        python-version: ['3.9', '3.10', '3.11', '3.12', '3.13']
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -26,4 +25,4 @@ jobs:
     - name: Flake
       run: |
         flake8 picoscope setup.py
-        flake8 examples/*
+        flake8 examples

setup.py

@@ -24,12 +24,12 @@
                  'Topic :: System :: Hardware',
                  'Topic :: Scientific/Engineering',
                  'License :: OSI Approved :: BSD License',
-                 'Programming Language :: Python :: 2.7',
                  'Programming Language :: Python :: 3',
                  ],
 
     # What does your project relate to?
     keywords='picoscope peripherals hardware oscilloscope ATE',
+    python_requires='>=3.9',
     install_requires=['numpy'],
     cmdclass=versioneer.get_cmdclass()
 )