add support for python 3.12

.github/workflows/docs.yaml

@@ -21,12 +21,14 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         exclude:
           - os: windows-latest
             python-version: "3.10"
           - os: windows-latest
             python-version: "3.11"
+          - os: windows-latest
+            python-version: "3.12"
     env:
       DISPLAY: ':99.0'
       OS: ${{ matrix.os }}

.github/workflows/pytest.yaml

@@ -23,12 +23,14 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         exclude:
           - os: windows-latest
             python-version: "3.10"
           - os: windows-latest
             python-version: "3.11"
+          - os: windows-latest
+            python-version: "3.12"
     env:
       DISPLAY: ':99.0'
       OS: ${{ matrix.os }}

pyproject.toml

@@ -17,6 +17,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Topic :: Scientific/Engineering",]
 requires-python = ">=3.9"
 dependencies = [ "qcodes>=0.42.0", "versioningit>=2.0.1", "packaging", "pandas"]

src/qcodes_contrib_drivers/drivers/QuTech/IVVI.py

@@ -167,7 +167,7 @@ def __init__(self, name, address, reset=False, numdacs=16, dac_step=10,
         print('Initialized IVVI-rack in %.2fs' % (t1 - t0))
 
     def get_idn(self):
-        """
+        r"""
         Overwrites the get_idn function using constants as the hardware
         does not have a proper \*IDN function.
         """

src/qcodes_contrib_drivers/drivers/Spectrum/M4i.py

@@ -990,7 +990,8 @@ def _transfer_buffer_numpy(self, memsize: int, numch: int, bytes_per_sample=2) -
         # convert buffer to numpy array
         # this does not typecheck with numpy 1.22 should be updated
         # by someone with access to test on the real data.
-        output = np.frombuffer(data_buffer, dtype=sample_ctype) # type: ignore[call-overload]
+        # for some reason this does type check with 3.12 but not earlier
+        output = np.frombuffer(data_buffer, dtype=sample_ctype) # type: ignore[call-overload,unused-ignore]
 
         return output
 

src/qcodes_contrib_drivers/drivers/Spectrum/py_header/h2py.py

@@ -26,10 +26,9 @@
 p_define = re.compile('^[\t ]*#[\t ]*define[\t ]+([a-zA-Z0-9_]+)[\t ]+')
 
 p_macro = re.compile(
-  '^[\t ]*#[\t ]*define[\t ]+'
-  '([a-zA-Z0-9_]+)\(([_a-zA-Z][_a-zA-Z0-9]*)\)[\t ]+')
+  r'^[\t ]*#[\t ]*define[\t ]+([a-zA-Z0-9_]+)\(([_a-zA-Z][_a-zA-Z0-9]*)\)[\t ]+')
 
-p_include = re.compile('^[\t ]*#[\t ]*include[\t ]+<([a-zA-Z0-9_/\.]+)')
+p_include = re.compile(r'^[\t ]*#[\t ]*include[\t ]+<([a-zA-Z0-9_/\.]+)')
 
 p_comment = re.compile(r'/\*([^*]+|\*+[^/])*(\*+/)?')
 p_cpp_comment = re.compile('//.*')

src/qcodes_contrib_drivers/drivers/Tektronix/AWG520.py

@@ -319,7 +319,7 @@ def set_setup_filename(self, fname, force_reload=False):
             return
         else:
             self._fname = fname
-            filename = "\%s/%s.seq" % (fname, fname)
+            filename = r"\%s/%s.seq" % (fname, fname)
             self.set_sequence(filename=filename)
             print('Waiting for AWG to load file "%s"' % fname)
             sleeptime = 0.5