Update dependency pymodbus to >=3.0.2,<3.6.0 (#67)

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Alex Ruddick <[email protected]>

.github/workflows/python-package.yml

@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
-        pymodbus-version: ["2.5.3", "3.0.2", "3.1.3", "3.2.2", "3.3.1", "3.4.1"]
+        pymodbus-version: ["2.5.3", "3.0.2", "3.1.3", "3.2.2", "3.3.1", "3.4.1", "3.5.0"]
         exclude:
         - python-version: "3.10"
           pymodbus-version: "2.5.3"

setup.py

@@ -6,7 +6,7 @@
 
 setup(
     name="watlow",
-    version="0.6.0",
+    version="0.6.1",
     description="Python driver for Watlow EZ-Zone temperature controllers.",
     long_description=long_description,
     long_description_content_type='text/markdown',
@@ -19,7 +19,7 @@
     install_requires=[
         'pymodbus>=2.4.0; python_version == "3.8"',
         'pymodbus>=2.4.0; python_version == "3.9"',
-        'pymodbus>=3.0.2,<3.5.0; python_version >= "3.10"',
+        'pymodbus>=3.0.2,<3.6.0; python_version >= "3.10"',
         "pyserial",
         "crcmod"],
     extras_require={

watlow/driver.py

@@ -201,13 +201,14 @@ async def get(self, zone: int):
             'setpoint': self.setpoint_address,
             'output': self.output_address,
         }
+        endian = Endian.BIG if self.pymodbus35plus else Endian.big  # type: ignore[attr-defined]
         for k, v in output.items():
             address = (zone - 1) * self.modbus_offset + v
             try:
                 result = await self.read_registers(address, 2)
                 output[k] = BinaryPayloadDecoder.fromRegisters(
                     result,
-                    byteorder=Endian.Big
+                    byteorder=endian
                 ).decode_32bit_float()
             except AttributeError:
                 output[k] = None
@@ -222,7 +223,8 @@ async def set_setpoint(self, zone: int, setpoint: float):
             raise ValueError(f"Setpoint ({setpoint}) is not in the valid range from"
                              f" {self.setpoint_range[0]} to {self.setpoint_range[1]}")
         address = (zone - 1) * self.modbus_offset + self.setpoint_address
-        builder = BinaryPayloadBuilder(byteorder=Endian.Big)
+        endian = Endian.BIG if self.pymodbus35plus else Endian.big  # type: ignore[attr-defined]
+        builder = BinaryPayloadBuilder(byteorder=endian)
         builder.add_32bit_float(setpoint)
         await self.write_registers(address, builder.build(),
                                    skip_encode=True)

watlow/util.py

@@ -45,6 +45,7 @@ def _detect_pymodbus_version(self) -> None:
         self.pymodbus30plus = int(pymodbus.__version__[0]) == 3
         self.pymodbus32plus = self.pymodbus30plus and int(pymodbus.__version__[2]) >= 2
         self.pymodbus33plus = self.pymodbus30plus and int(pymodbus.__version__[2]) >= 3
+        self.pymodbus35plus = self.pymodbus30plus and int(pymodbus.__version__[2]) >= 5
 
     async def _connect(self):
         """Start asynchronous reconnect loop."""