add tests for the labels module and work around brother_ql issues

brother_ql_web/__init__.py

@@ -0,0 +1,38 @@
+from __future__ import annotations
+
+import logging
+from typing import Any
+
+
+def patch_deprecation_warning() -> None:
+ """
+ Avoid the deprecation warning from `brother_ql.devicedependent`. This has been
+ fixed in the Git version, but not in PyPI one:
+ https://github.com/pklaus/brother_ql/commit/5c2b72b18bcf436c116f180a9147cbb6805958f5
+ """
+ original_logger = logging.getLogger("brother_ql.devicedependent").warning
+
+ def warn(message: str, *args: Any, **kwargs: Any) -> None:
+ if (
+ message
+ == "deprecation warning: brother_ql.devicedependent is deprecated and will be removed in a future release" # noqa: E501
+ ):
+ return
+ original_logger(message, *args, **kwargs)
+
+ logging.getLogger("brother_ql.devicedependent").warn = warn # type: ignore[assignment,method-assign] # noqa: E501
+
+
+patch_deprecation_warning()
+
+
+import brother_ql.conversion # noqa: E402
+import PIL # noqa: E402
+
+
+# Renamed in version 2.7.0:
+# https://pillow.readthedocs.io/en/stable/releasenotes/2.7.0.html#antialias-renamed-to-lanczos
+brother_ql.conversion.Image.ANTIALIAS = PIL.Image.LANCZOS # type: ignore[attr-defined]
+
+
+__all__: list[str] = []

brother_ql_web/labels.py

@@ -26,8 +26,8 @@
 class LabelParameters:
  configuration: Configuration
 
- font_family: str
- font_style: str
+ font_family: str | None = None
+ font_style: str | None = None
  text: str = ""
  font_size: int = 100
  label_size: str = "62"
@@ -40,7 +40,9 @@ class LabelParameters:
  margin_left: int = 35
  margin_right: int = 35
  label_count: int = 1
- high_quality: bool = True
+ # TODO: Not yet taken into account. The number of dots in each direction has to be
+ # doubled. The generator/calculation methods have to be updated accordingly.
+ high_quality: bool = False
 
  @property
  def kind(self) -> FormFactor:
@@ -73,12 +75,13 @@ def fill_color(self) -> tuple[int, int, int]:
  def font_path(self) -> str:
  try:
  if self.font_family is None or self.font_style is None:
+ assert self.configuration.label.default_font is not None
  self.font_family = self.configuration.label.default_font.family
  self.font_style = self.configuration.label.default_font.style
  fonts = utils.collect_fonts(self.configuration)
  path = fonts[self.font_family][self.font_style]
  except KeyError:
- raise LookupError("Couln't find the font & style")
+ raise LookupError("Couldn't find the font & style")
  return path
 
  @property
@@ -209,13 +212,15 @@ def generate_label(
  if save_image_to:
  image.save(save_image_to)
 
- red: bool = False
+ red: bool = "red" in parameters.label_size
  rotate: int | str = 0
  if parameters.kind == ENDLESS_LABEL:
  rotate = 0 if parameters.orientation == "standard" else 90
  elif parameters.kind in (ROUND_DIE_CUT_LABEL, DIE_CUT_LABEL):
  rotate = "auto"
- red = "red" in parameters.label_size
+
+ if parameters.high_quality:
+ logger.warning("High quality mode is not implemented for now.")
 
  qlr = BrotherQLRaster(configuration.printer.model)
  create_label(
@@ -226,7 +231,7 @@ def generate_label(
  threshold=parameters.threshold,
  cut=True,
  rotate=rotate,
- dpi_600=parameters.high_quality,
+ dpi_600=False,
  )
 
  return qlr
@@ -240,7 +245,7 @@ def print_label(
 ) -> None:
  backend = backend_class(configuration.printer.printer)
  for i in range(parameters.label_count):
- logger.info("Printing label %d of %d ...", i, parameters.label_count)
+ logger.info("Printing label %d of %d ...", i + 1, parameters.label_count)
  backend.write(qlr.data)
  backend.dispose()
  del backend

tests/__init__.py

@@ -1,34 +1,10 @@
-import logging
 from functools import cached_property
 from pathlib import Path
 from unittest import TestCase as _TestCase
-from typing import Any
 
 from brother_ql_web.configuration import Configuration
 
 
-def patch_deprecation_warning() -> None:
- """
- Avoid the deprecation warning from `brother_ql.devicedependent`. This has been
- fixed in the Git version, but not in PyPI one:
- https://github.com/pklaus/brother_ql/commit/5c2b72b18bcf436c116f180a9147cbb6805958f5
- """
- original_logger = logging.getLogger("brother_ql.devicedependent").warning
-
- def warn(message: str, *args: Any, **kwargs: Any) -> None:
- if (
- message
- == "deprecation warning: brother_ql.devicedependent is deprecated and will be removed in a future release" # noqa: E501
- ):
- return
- original_logger(message, *args, **kwargs)
-
- logging.getLogger("brother_ql.devicedependent").warn = warn # type: ignore[assignment,method-assign] # noqa: E501
-
-
-patch_deprecation_warning()
-
-
 class TestCase(_TestCase):
  @cached_property
  def example_configuration_path(self) -> str: