Disable PILs image size limit. (#1154)

* Diable PILs image size limit.

* Update changelog.

Author: markbader

webknossos/Changelog.md

@@ -21,6 +21,7 @@ For upgrade instructions, please check the respective _Breaking Changes_ section
 - Added options `--layer-name` and `--mag` for compress command of the CLI. [#1141](https://github.com/scalableminds/webknossos-libs/pull/1141)
 - Added options `--chunk-shape` and `--chunks-per-shard` for convert command of the CLI. [#1150](https://github.com/scalableminds/webknossos-libs/pull/1150)
 - The `from_images` method of the `Dataset` supports directories and single files as `input_path` now. [#1152](https://github.com/scalableminds/webknossos-libs/pull/1152)
+- The number of pixel limit for JPG conversion is disabled now. [#1154](https://github.com/scalableminds/webknossos-libs/pull/1154)
 - Added option `--batch-size` to the convert command of the CLI. [#1158](https://github.com/scalableminds/webknossos-libs/pull/1158)
 
 ### Fixed

webknossos/webknossos/dataset/_utils/pims_images.py

@@ -311,6 +311,11 @@ def _ensure_correct_bioformats_usage(
                 + "(use_bioformats is False)."
             )
 
+    def _disable_pil_image_size_limit(self) -> None:
+        from PIL import Image
+
+        Image.MAX_IMAGE_PIXELS = None
+
     def _try_open_pims_images(
         self, original_images: Union[str, List[str]], exceptions: List[Exception]
     ) -> Optional[pims.FramesSequence]:
@@ -377,6 +382,8 @@ def strategy_2() -> Optional[pims.FramesSequence]:
             else:
                 return None
 
+        self._disable_pil_image_size_limit()
+
         for strategy in [strategy_0, strategy_1, strategy_2]:
             try:
                 images_context_manager = strategy()