python-escpos · patkan · Jul 27, 2026 · Jul 27, 2026 · Jul 27, 2026 · Jul 27, 2026
diff --git a/.github/workflows/black.yml b/.github/workflows/black.yml
@@ -9,5 +9,5 @@ jobs:
       - uses: actions/checkout@v7
       - uses: psf/black@stable
         with:
-          version: "23.12.0"
+          version: "26.5.1"
 
diff --git a/pyproject.toml b/pyproject.toml
@@ -107,7 +107,7 @@ commands = [
 [tool.tox.env.flake8]
 base_python = ["python"]
 deps = ["flake8", "flake8-docstrings"]
-commands = [["flake8"]]
+commands = [["flake8", "--version"], ["flake8"]]
 
 
 [tool.tox.env.mypy]

diff --git a/setup.cfg b/setup.cfg
@@ -57,7 +57,7 @@ tests_require =
     scripttest
     mock
     hypothesis>=6.83
-    flake8
+    flake8>7
     sphinxcontrib-spelling>=8.0.0
 
 [options.extras_require]
@@ -78,4 +78,4 @@ all =
 [flake8]
 exclude = .git,.venv,.tox,.github,.eggs,__pycache__,doc/conf.py,build,dist,capabilities-data,test,src/escpos/constants.py
 max-line-length = 120
-extend-ignore = E203, W503, D401
+extend-ignore = E203, W503
diff --git a/src/escpos/config.py b/src/escpos/config.py
@@ -79,7 +79,6 @@ def load(self, config_path=None) -> None:
         :param config_path: An optional file path, file handle, or byte string
             for the configuration file.
         """
-
         if not config_path:
             config_path = os.path.join(
                 platformdirs.user_config_dir(self._app_name), self._config_file

diff --git a/src/escpos/escpos.py b/src/escpos/escpos.py
@@ -189,7 +189,7 @@ def _read(self) -> bytes:
         raise NotImplementedError()
 
     def set_sleep_in_fragment(self, sleep_time_ms: int) -> None:
-        """Configures the currently active sleep time after sending a fragment.
+        """Configure the currently active sleep time after sending a fragment.
 
         If during printing an image an issue like "USBTimeoutError: [Errno 110]
         Operation timed out" occurs, setting this value to roughly 300
@@ -599,11 +599,9 @@ def barcode(
         if (not capable["hw"] and not capable["sw"]) or (
             not capable["sw"] and force_software
         ):
-            raise BarcodeTypeError(
-                f"""Profile {
-                    self.profile.profile_data['name']
-                } - hw barcode: {capable['hw']}, sw barcode: {capable['sw']}"""
-            )
+            raise BarcodeTypeError(f"""Profile {
+                self.profile.profile_data['name']
+            } - hw barcode: {capable['hw']}, sw barcode: {capable['sw']}""")
 
         bc_alnum = "".join([char for char in bc.upper() if char.isalnum()])
         capable_bc = {

diff --git a/src/escpos/printer/cups.py b/src/escpos/printer/cups.py
@@ -104,9 +104,9 @@ def __init__(self, printer_name: str = "", *args, **kwargs) -> None:
         self.job_name = ""
         self.pending_job = False
 
-        self._device: Union[
-            Literal[False], Literal[None], Type[cups.Connection]
-        ] = False
+        self._device: Union[Literal[False], Literal[None], Type[cups.Connection]] = (
+            False
+        )
 
     @property
     def printers(self) -> dict:

diff --git a/src/escpos/printer/usb.py b/src/escpos/printer/usb.py
@@ -104,9 +104,9 @@ def __init__(
         if idProduct:
             self.usb_args["idProduct"] = idProduct
 
-        self._device: Union[
-            Literal[False], Literal[None], Type[usb.core.Device]
-        ] = False
+        self._device: Union[Literal[False], Literal[None], Type[usb.core.Device]] = (
+            False
+        )
 
     @dependency_usb
     def open(self, raise_not_found: bool = True) -> None: