Chore: Convert Tesseract parser to plugin style (#12403)

* Move tesseract parser, tests, and samples to paperless.parsers

Relocates files in preparation for the Phase 3 Protocol-based parser
refactor, preserving full git history via rename.

- src/paperless_tesseract/parsers.py -> src/paperless/parsers/tesseract.py
- src/paperless_tesseract/tests/test_parser.py -> src/paperless/tests/parsers/test_tesseract_parser.py
- src/paperless_tesseract/tests/test_parser_custom_settings.py -> src/paperless/tests/parsers/test_tesseract_custom_settings.py
- src/paperless_tesseract/tests/samples/* -> src/paperless/tests/samples/tesseract/
- Moves RUF001 suppression from broad per-file pyproject.toml ignore to inline noqa comments on the two affected lines

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Refactor RasterisedDocumentParser to ParserProtocol interface

- Add RasterisedDocumentParser to registry.register_defaults()
- Update parser class: remove DocumentParser inheritance, add Protocol
  class attrs/classmethods/properties, context-manager lifecycle
- Add read_file_handle_unicode_errors() to shared parsers/utils.py
- Replace inline unicode-error-handling with shared utility call

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Update tesseract signals.py to import from new parser location

RasterisedDocumentParser moved to paperless.parsers.tesseract; update
the lazy import in signals.get_parser so the signal-based consumer
declaration continues to work during the registry transition. Pop
logging_group and progress_callback kwargs for constructor compatibility.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* tests: rewrite test_tesseract_parser to pytest style with typed fixtures

- Converts all tests from Django TestCase to pytest-style classes
- Adds tesseract_samples_dir, null_app_config, tesseract_parser, and
  make_tesseract_parser fixtures in conftest.py; all DB-free except
  TestOcrmypdfParameters which uses @pytest.mark.django_db
- Defines MakeTesseractParser type alias in conftest.py for autocomplete
- Fixes FBT001 (boolean positional args) by making bool params
  keyword-only with * separator in parametrize test signatures
- Adds type annotations to all fixture parameters for IDE support
- Uses pytest.param(..., id="...") throughout; pytest-mock for patching

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* fix(types): fully annotate paperless/parsers/tesseract.py

Fixes all mypy and pyrefly errors in the new parser file:

- Add missing type annotations to is_image, has_alpha, get_dpi,
  calculate_a4_dpi, construct_ocrmypdf_parameters, post_process_text
- Narrow Path-only (no str) for image helper args; convert to str when
  building list[str] args for run_subprocess
- Annotate ocrmypdf_args as dict[str, Any] so operator expressions on
  its values type-check and ocrmypdf.ocr(**args) resolves cleanly
- Declare text: str | None = None at top of extract_text to unify
  all assignments to the same type across both branches
- Import Any from typing

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Fixes isort

* fix: add RasterisedDocumentParser to new-style parser shim checks

The new RasterisedDocumentParser uses __enter__/__exit__ for resource
management instead of cleanup(). Update all existing new-style shims to
include it in the isinstance checks:

- documents/consumer.py: _parser_cleanup(), parser_is_new_style
- documents/tasks.py: parser_is_new_style, finally cleanup branch
  (also adds RemoteDocumentParser which was missing from the latter)
- documents/management/commands/document_thumbnails.py: adds new-style
  handling from scratch (enter/exit + 2-arg get_thumbnail signature)

Fix stale import paths in three test files that were still importing
from paperless_tesseract.parsers instead of paperless.parsers.tesseract.

Fix two registry tests that used application/pdf as a proxy for "no
handler" — now that RasterisedDocumentParser is registered, PDF always
has a handler, so switch to a truly unsupported MIME type.

Signal infrastructure and shims remain intact; this is plumbing only.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* One missed import (cherry pick?)

* Adds a no cover for a special case of handling unicode errors in PDF metadata

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>

pyproject.toml

@@ -248,9 +248,7 @@ lint.per-file-ignores."docker/wait-for-redis.py" = [
 lint.per-file-ignores."src/documents/models.py" = [
   "SIM115",
 ]
-lint.per-file-ignores."src/paperless_tesseract/tests/test_parser.py" = [
-  "RUF001",
-]
+
 lint.isort.force-single-line = true
 
 [tool.codespell]

src/documents/consumer.py

@@ -54,6 +54,7 @@ from documents.utils import run_subprocess
 from paperless.parsers import ParserContext
 from paperless.parsers.mail import MailDocumentParser
 from paperless.parsers.remote import RemoteDocumentParser
+from paperless.parsers.tesseract import RasterisedDocumentParser
 from paperless.parsers.text import TextDocumentParser
 from paperless.parsers.tika import TikaDocumentParser
 
@@ -74,6 +75,7 @@ def _parser_cleanup(parser: DocumentParser) -> None:
         parser,
         (
             MailDocumentParser,
+            RasterisedDocumentParser,
             RemoteDocumentParser,
             TextDocumentParser,
             TikaDocumentParser,
@@ -463,6 +465,7 @@ class ConsumerPlugin(
             document_parser,
             (
                 MailDocumentParser,
+                RasterisedDocumentParser,
                 RemoteDocumentParser,
                 TextDocumentParser,
                 TikaDocumentParser,

src/documents/management/commands/document_thumbnails.py

@@ -4,6 +4,11 @@ import shutil
 from documents.management.commands.base import PaperlessCommand
 from documents.models import Document
 from documents.parsers import get_parser_class_for_mime_type
+from paperless.parsers.mail import MailDocumentParser
+from paperless.parsers.remote import RemoteDocumentParser
+from paperless.parsers.tesseract import RasterisedDocumentParser
+from paperless.parsers.text import TextDocumentParser
+from paperless.parsers.tika import TikaDocumentParser
 
 logger = logging.getLogger("paperless.management.thumbnails")
 
@@ -22,16 +27,38 @@ def _process_document(doc_id: int) -> None:
 
     parser = parser_class(logging_group=None)
 
+    parser_is_new_style = isinstance(
+        parser,
+        (
+            MailDocumentParser,
+            RasterisedDocumentParser,
+            RemoteDocumentParser,
+            TextDocumentParser,
+            TikaDocumentParser,
+        ),
+    )
+
+    # TODO(stumpylog): Remove branch in the future when all parsers use new protocol
+    if parser_is_new_style:
+        parser.__enter__()
+
     try:
-        thumb = parser.get_thumbnail(
-            document.source_path,
-            document.mime_type,
-            document.get_public_filename(),
-        )
+        # TODO(stumpylog): Remove branch in the future when all parsers use new protocol
+        if parser_is_new_style:
+            thumb = parser.get_thumbnail(document.source_path, document.mime_type)
+        else:
+            thumb = parser.get_thumbnail(
+                document.source_path,
+                document.mime_type,
+                document.get_public_filename(),
+            )
         shutil.move(thumb, document.thumbnail_path)
     finally:
         # TODO(stumpylog): Cleanup once all parsers are handled
-        parser.cleanup()
+        if parser_is_new_style:
+            parser.__exit__(None, None, None)
+        else:
+            parser.cleanup()
 
 
 class Command(PaperlessCommand):

src/documents/tasks.py

@@ -68,6 +68,7 @@ from paperless.config import AIConfig
 from paperless.parsers import ParserContext
 from paperless.parsers.mail import MailDocumentParser
 from paperless.parsers.remote import RemoteDocumentParser
+from paperless.parsers.tesseract import RasterisedDocumentParser
 from paperless.parsers.text import TextDocumentParser
 from paperless.parsers.tika import TikaDocumentParser
 from paperless_ai.indexing import llm_index_add_or_update_document
@@ -326,6 +327,7 @@ def update_document_content_maybe_archive_file(document_id) -> None:
         parser,
         (
             MailDocumentParser,
+            RasterisedDocumentParser,
             RemoteDocumentParser,
             TextDocumentParser,
             TikaDocumentParser,
@@ -440,7 +442,13 @@ def update_document_content_maybe_archive_file(document_id) -> None:
         # TODO(stumpylog): Remove branch in the future when all parsers use new protocol
         if isinstance(
             parser,
-            (MailDocumentParser, TextDocumentParser, TikaDocumentParser),
+            (
+                MailDocumentParser,
+                RasterisedDocumentParser,
+                RemoteDocumentParser,
+                TextDocumentParser,
+                TikaDocumentParser,
+            ),
         ):
             parser.__exit__(None, None, None)
         else:

src/documents/tests/test_parsers.py

@@ -9,9 +9,9 @@ from documents.parsers import get_default_file_extension
 from documents.parsers import get_parser_class_for_mime_type
 from documents.parsers import get_supported_file_extensions
 from documents.parsers import is_file_ext_supported
+from paperless.parsers.tesseract import RasterisedDocumentParser
 from paperless.parsers.text import TextDocumentParser
 from paperless.parsers.tika import TikaDocumentParser
-from paperless_tesseract.parsers import RasterisedDocumentParser
 
 
 class TestParserDiscovery(TestCase):

src/paperless/parsers/registry.py

@@ -195,6 +195,7 @@ class ParserRegistry:
         """
         from paperless.parsers.mail import MailDocumentParser
         from paperless.parsers.remote import RemoteDocumentParser
+        from paperless.parsers.tesseract import RasterisedDocumentParser
         from paperless.parsers.text import TextDocumentParser
         from paperless.parsers.tika import TikaDocumentParser
 
@@ -202,6 +203,7 @@ class ParserRegistry:
         self.register_builtin(RemoteDocumentParser)
         self.register_builtin(TikaDocumentParser)
         self.register_builtin(MailDocumentParser)
+        self.register_builtin(RasterisedDocumentParser)
 
     # ------------------------------------------------------------------
     # Discovery

src/paperless/parsers/tesseract.py

@@ -1,13 +1,18 @@
+from __future__ import annotations
+
+import logging
 import os
 import re
+import shutil
 import tempfile
 from pathlib import Path
 from typing import TYPE_CHECKING
+from typing import Any
+from typing import Self
 
 from django.conf import settings
 from PIL import Image
 
-from documents.parsers import DocumentParser
 from documents.parsers import ParseError
 from documents.parsers import make_thumbnail_from_pdf
 from documents.utils import maybe_override_pixel_limit
@@ -16,6 +21,28 @@ from paperless.config import OcrConfig
 from paperless.models import ArchiveFileChoices
 from paperless.models import CleanChoices
 from paperless.models import ModeChoices
+from paperless.parsers.utils import read_file_handle_unicode_errors
+from paperless.version import __full_version_str__
+
+if TYPE_CHECKING:
+    import datetime
+    from types import TracebackType
+
+    from paperless.parsers import MetadataEntry
+    from paperless.parsers import ParserContext
+
+logger = logging.getLogger("paperless.parsing.tesseract")
+
+_SUPPORTED_MIME_TYPES: dict[str, str] = {
+    "application/pdf": ".pdf",
+    "image/jpeg": ".jpg",
+    "image/png": ".png",
+    "image/tiff": ".tif",
+    "image/gif": ".gif",
+    "image/bmp": ".bmp",
+    "image/webp": ".webp",
+    "image/heic": ".heic",
+}
 
 
 class NoTextFoundException(Exception):
@@ -26,81 +53,125 @@ class RtlLanguageException(Exception):
     pass
 
 
-class RasterisedDocumentParser(DocumentParser):
+class RasterisedDocumentParser:
     """
     This parser uses Tesseract to try and get some text out of a rasterised
     image, whether it's a PDF, or other graphical format (JPEG, TIFF, etc.)
     """
 
-    logging_name = "paperless.parsing.tesseract"
+    name: str = "Paperless-ngx Tesseract OCR Parser"
+    version: str = __full_version_str__
+    author: str = "Paperless-ngx Contributors"
+    url: str = "https://github.com/paperless-ngx/paperless-ngx"
 
-    def get_settings(self) -> OcrConfig:
-        """
-        This parser uses the OCR configuration settings to parse documents
-        """
-        return OcrConfig()
+    # ------------------------------------------------------------------
+    # Class methods
+    # ------------------------------------------------------------------
 
-    def get_page_count(self, document_path, mime_type):
-        page_count = None
-        if mime_type == "application/pdf":
-            try:
-                import pikepdf
+    @classmethod
+    def supported_mime_types(cls) -> dict[str, str]:
+        return _SUPPORTED_MIME_TYPES
 
-                with pikepdf.Pdf.open(document_path) as pdf:
-                    page_count = len(pdf.pages)
-            except Exception as e:
-                self.log.warning(
-                    f"Unable to determine PDF page count {document_path}: {e}",
-                )
-        return page_count
+    @classmethod
+    def score(
+        cls,
+        mime_type: str,
+        filename: str,
+        path: Path | None = None,
+    ) -> int | None:
+        if mime_type in _SUPPORTED_MIME_TYPES:
+            return 10
+        return None
 
-    def extract_metadata(self, document_path, mime_type):
-        result = []
-        if mime_type == "application/pdf":
-            import pikepdf
+    # ------------------------------------------------------------------
+    # Properties
+    # ------------------------------------------------------------------
 
-            namespace_pattern = re.compile(r"\{(.*)\}(.*)")
+    @property
+    def can_produce_archive(self) -> bool:
+        return True
 
-            pdf = pikepdf.open(document_path)
-            meta = pdf.open_metadata()
-            for key, value in meta.items():
-                if isinstance(value, list):
-                    value = " ".join([str(e) for e in value])
-                value = str(value)
-                try:
-                    m = namespace_pattern.match(key)
-                    if m is None:  # pragma: no cover
-                        continue
-                    namespace = m.group(1)
-                    key_value = m.group(2)
-                    try:
-                        namespace.encode("utf-8")
-                        key_value.encode("utf-8")
-                    except UnicodeEncodeError as e:  # pragma: no cover
-                        self.log.debug(f"Skipping metadata key {key}: {e}")
-                        continue
-                    result.append(
-                        {
-                            "namespace": namespace,
-                            "prefix": meta.REVERSE_NS[namespace],
-                            "key": key_value,
-                            "value": value,
-                        },
-                    )
-                except Exception as e:
-                    self.log.warning(
-                        f"Error while reading metadata {key}: {value}. Error: {e}",
-                    )
-        return result
+    @property
+    def requires_pdf_rendition(self) -> bool:
+        return False
 
-    def get_thumbnail(self, document_path, mime_type, file_name=None):
+    # ------------------------------------------------------------------
+    # Lifecycle
+    # ------------------------------------------------------------------
+
+    def __init__(self, logging_group: object = None) -> None:
+        settings.SCRATCH_DIR.mkdir(parents=True, exist_ok=True)
+        self.tempdir = Path(
+            tempfile.mkdtemp(prefix="paperless-", dir=settings.SCRATCH_DIR),
+        )
+        self.settings = OcrConfig()
+        self.archive_path: Path | None = None
+        self.text: str | None = None
+        self.date: datetime.datetime | None = None
+        self.log = logger
+
+    def __enter__(self) -> Self:
+        return self
+
+    def __exit__(
+        self,
+        exc_type: type[BaseException] | None,
+        exc_val: BaseException | None,
+        exc_tb: TracebackType | None,
+    ) -> None:
+        logger.debug("Cleaning up temporary directory %s", self.tempdir)
+        shutil.rmtree(self.tempdir, ignore_errors=True)
+
+    # ------------------------------------------------------------------
+    # Core parsing interface
+    # ------------------------------------------------------------------
+
+    def configure(self, context: ParserContext) -> None:
+        pass
+
+    # ------------------------------------------------------------------
+    # Result accessors
+    # ------------------------------------------------------------------
+
+    def get_text(self) -> str | None:
+        return self.text
+
+    def get_date(self) -> datetime.datetime | None:
+        return self.date
+
+    def get_archive_path(self) -> Path | None:
+        return self.archive_path
+
+    # ------------------------------------------------------------------
+    # Thumbnail, page count, and metadata
+    # ------------------------------------------------------------------
+
+    def get_thumbnail(self, document_path: Path, mime_type: str) -> Path:
         return make_thumbnail_from_pdf(
-            self.archive_path or document_path,
+            self.archive_path or Path(document_path),
             self.tempdir,
-            self.logging_group,
         )
 
-    def is_image(self, mime_type) -> bool:
+    def get_page_count(self, document_path: Path, mime_type: str) -> int | None:
+        if mime_type == "application/pdf":
+            from paperless.parsers.utils import get_page_count_for_pdf
+
+            return get_page_count_for_pdf(Path(document_path), log=self.log)
+        return None
+
+    def extract_metadata(
+        self,
+        document_path: Path,
+        mime_type: str,
+    ) -> list[MetadataEntry]:
+        if mime_type != "application/pdf":
+            return []
+
+        from paperless.parsers.utils import extract_pdf_metadata
+
+        return extract_pdf_metadata(Path(document_path), log=self.log)
+
+    def is_image(self, mime_type: str) -> bool:
         return mime_type in [
             "image/png",
             "image/jpeg",
@@ -111,25 +182,25 @@ class RasterisedDocumentParser(DocumentParser):
             "image/heic",
         ]
 
-    def has_alpha(self, image) -> bool:
+    def has_alpha(self, image: Path) -> bool:
         with Image.open(image) as im:
             return im.mode in ("RGBA", "LA")
 
-    def remove_alpha(self, image_path: str) -> Path:
+    def remove_alpha(self, image_path: Path) -> Path:
         no_alpha_image = Path(self.tempdir) / "image-no-alpha"
         run_subprocess(
             [
                 settings.CONVERT_BINARY,
                 "-alpha",
                 "off",
-                image_path,
-                no_alpha_image,
+                str(image_path),
+                str(no_alpha_image),
             ],
             logger=self.log,
         )
         return no_alpha_image
 
-    def get_dpi(self, image) -> int | None:
+    def get_dpi(self, image: Path) -> int | None:
         try:
             with Image.open(image) as im:
                 x, _ = im.info["dpi"]
@@ -138,7 +209,7 @@ class RasterisedDocumentParser(DocumentParser):
             self.log.warning(f"Error while getting DPI from image {image}: {e}")
             return None
 
-    def calculate_a4_dpi(self, image) -> int | None:
+    def calculate_a4_dpi(self, image: Path) -> int | None:
         try:
             with Image.open(image) as im:
                 width, _ = im.size
@@ -156,6 +227,7 @@ class RasterisedDocumentParser(DocumentParser):
         sidecar_file: Path | None,
         pdf_file: Path,
     ) -> str | None:
+        text: str | None = None
         # When re-doing OCR, the sidecar contains ONLY the new text, not
         # the whole text, so do not utilize it in that case
         if (
@@ -163,7 +235,7 @@ class RasterisedDocumentParser(DocumentParser):
             and sidecar_file.is_file()
             and self.settings.mode != "redo"
         ):
-            text = self.read_file_handle_unicode_errors(sidecar_file)
+            text = read_file_handle_unicode_errors(sidecar_file)
 
             if "[OCR skipped on page" not in text:
                 # This happens when there's already text in the input file.
@@ -191,12 +263,12 @@ class RasterisedDocumentParser(DocumentParser):
                         "-layout",
                         "-enc",
                         "UTF-8",
-                        pdf_file,
+                        str(pdf_file),
                         tmp.name,
                     ],
                     logger=self.log,
                 )
-                text = self.read_file_handle_unicode_errors(Path(tmp.name))
+                text = read_file_handle_unicode_errors(Path(tmp.name))
 
             return post_process_text(text)
 
@@ -211,16 +283,14 @@ class RasterisedDocumentParser(DocumentParser):
 
     def construct_ocrmypdf_parameters(
         self,
-        input_file,
-        mime_type,
-        output_file,
-        sidecar_file,
+        input_file: Path,
+        mime_type: str,
+        output_file: Path,
+        sidecar_file: Path,
         *,
-        safe_fallback=False,
-    ):
-        if TYPE_CHECKING:
-            assert isinstance(self.settings, OcrConfig)
-        ocrmypdf_args = {
+        safe_fallback: bool = False,
+    ) -> dict[str, Any]:
+        ocrmypdf_args: dict[str, Any] = {
             "input_file_or_options": input_file,
             "output_file": output_file,
             # need to use threads, since this will be run in daemonized
@@ -330,7 +400,13 @@ class RasterisedDocumentParser(DocumentParser):
 
         return ocrmypdf_args
 
-    def parse(self, document_path: Path, mime_type, file_name=None) -> None:
+    def parse(
+        self,
+        document_path: Path,
+        mime_type: str,
+        *,
+        produce_archive: bool = True,
+    ) -> None:
         # This forces tesseract to use one core per page.
         os.environ["OMP_THREAD_LIMIT"] = "1"
         VALID_TEXT_LENGTH = 50
@@ -458,7 +534,7 @@ class RasterisedDocumentParser(DocumentParser):
                 self.text = ""
 
 
-def post_process_text(text):
+def post_process_text(text: str | None) -> str | None:
     if not text:
         return None
 

src/paperless/parsers/utils.py

@@ -20,6 +20,34 @@ if TYPE_CHECKING:
 logger = logging.getLogger("paperless.parsers.utils")
 
 
+def read_file_handle_unicode_errors(
+    filepath: Path,
+    log: logging.Logger | None = None,
+) -> str:
+    """Read a file as UTF-8 text, replacing invalid bytes rather than raising.
+
+    Parameters
+    ----------
+    filepath:
+        Absolute path to the file to read.
+    log:
+        Logger to use for warnings.  Falls back to the module-level logger
+        when omitted.
+
+    Returns
+    -------
+    str
+        File content as a string, with any invalid UTF-8 sequences replaced
+        by the Unicode replacement character.
+    """
+    _log = log or logger
+    try:
+        return filepath.read_text(encoding="utf-8")
+    except UnicodeDecodeError as e:
+        _log.warning("Unicode error during text reading, continuing: %s", e)
+        return filepath.read_bytes().decode("utf-8", errors="replace")
+
+
 def get_page_count_for_pdf(
     document_path: Path,
     log: logging.Logger | None = None,
@@ -107,7 +135,7 @@ def extract_pdf_metadata(
             try:
                 namespace.encode("utf-8")
                 key_value.encode("utf-8")
-            except UnicodeEncodeError as enc_err:
+            except UnicodeEncodeError as enc_err:  # pragma: no cover
                 _log.debug("Skipping metadata key %s: %s", key, enc_err)
                 continue
 

src/paperless/tests/parsers/conftest.py

@@ -6,20 +6,29 @@ so it is easy to see which files belong to which test module.
 
 from __future__ import annotations
 
+from contextlib import contextmanager
 from typing import TYPE_CHECKING
 
 import pytest
+from django.test import override_settings
 
 from paperless.parsers.mail import MailDocumentParser
 from paperless.parsers.remote import RemoteDocumentParser
+from paperless.parsers.tesseract import RasterisedDocumentParser
 from paperless.parsers.text import TextDocumentParser
 from paperless.parsers.tika import TikaDocumentParser
 
 if TYPE_CHECKING:
+    from collections.abc import Callable
     from collections.abc import Generator
     from pathlib import Path
+    from unittest.mock import MagicMock
 
     from pytest_django.fixtures import SettingsWrapper
+    from pytest_mock import MockerFixture
+
+    #: Type for the ``make_tesseract_parser`` fixture factory.
+    MakeTesseractParser = Callable[..., Generator[RasterisedDocumentParser, None, None]]
 
 
 # ------------------------------------------------------------------
@@ -411,3 +420,381 @@ def nginx_base_url() -> Generator[str, None, None]:
     The base URL for the nginx HTTP server we expect to be alive
     """
     yield "http://localhost:8080"
+
+
+# ------------------------------------------------------------------
+# Tesseract parser sample files
+# ------------------------------------------------------------------
+
+
+@pytest.fixture(scope="session")
+def tesseract_samples_dir(samples_dir: Path) -> Path:
+    """Absolute path to the tesseract parser sample files directory.
+
+    Returns
+    -------
+    Path
+        ``<samples_dir>/tesseract/``
+    """
+    return samples_dir / "tesseract"
+
+
+@pytest.fixture(scope="session")
+def document_webp_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a WebP document sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/document.webp``.
+    """
+    return tesseract_samples_dir / "document.webp"
+
+
+@pytest.fixture(scope="session")
+def encrypted_pdf_file(tesseract_samples_dir: Path) -> Path:
+    """Path to an encrypted PDF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/encrypted.pdf``.
+    """
+    return tesseract_samples_dir / "encrypted.pdf"
+
+
+@pytest.fixture(scope="session")
+def multi_page_digital_pdf_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a multi-page digital PDF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/multi-page-digital.pdf``.
+    """
+    return tesseract_samples_dir / "multi-page-digital.pdf"
+
+
+@pytest.fixture(scope="session")
+def multi_page_images_alpha_rgb_tiff_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a multi-page TIFF with alpha channel in RGB.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/multi-page-images-alpha-rgb.tiff``.
+    """
+    return tesseract_samples_dir / "multi-page-images-alpha-rgb.tiff"
+
+
+@pytest.fixture(scope="session")
+def multi_page_images_alpha_tiff_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a multi-page TIFF with alpha channel.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/multi-page-images-alpha.tiff``.
+    """
+    return tesseract_samples_dir / "multi-page-images-alpha.tiff"
+
+
+@pytest.fixture(scope="session")
+def multi_page_images_pdf_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a multi-page PDF with images.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/multi-page-images.pdf``.
+    """
+    return tesseract_samples_dir / "multi-page-images.pdf"
+
+
+@pytest.fixture(scope="session")
+def multi_page_images_tiff_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a multi-page TIFF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/multi-page-images.tiff``.
+    """
+    return tesseract_samples_dir / "multi-page-images.tiff"
+
+
+@pytest.fixture(scope="session")
+def multi_page_mixed_pdf_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a multi-page mixed PDF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/multi-page-mixed.pdf``.
+    """
+    return tesseract_samples_dir / "multi-page-mixed.pdf"
+
+
+@pytest.fixture(scope="session")
+def no_text_alpha_png_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a PNG with alpha channel and no text.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/no-text-alpha.png``.
+    """
+    return tesseract_samples_dir / "no-text-alpha.png"
+
+
+@pytest.fixture(scope="session")
+def rotated_pdf_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a rotated PDF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/rotated.pdf``.
+    """
+    return tesseract_samples_dir / "rotated.pdf"
+
+
+@pytest.fixture(scope="session")
+def rtl_test_pdf_file(tesseract_samples_dir: Path) -> Path:
+    """Path to an RTL test PDF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/rtl-test.pdf``.
+    """
+    return tesseract_samples_dir / "rtl-test.pdf"
+
+
+@pytest.fixture(scope="session")
+def signed_pdf_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a signed PDF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/signed.pdf``.
+    """
+    return tesseract_samples_dir / "signed.pdf"
+
+
+@pytest.fixture(scope="session")
+def simple_alpha_png_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a simple PNG with alpha channel.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/simple-alpha.png``.
+    """
+    return tesseract_samples_dir / "simple-alpha.png"
+
+
+@pytest.fixture(scope="session")
+def simple_digital_pdf_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a simple digital PDF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/simple-digital.pdf``.
+    """
+    return tesseract_samples_dir / "simple-digital.pdf"
+
+
+@pytest.fixture(scope="session")
+def simple_no_dpi_png_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a simple PNG without DPI information.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/simple-no-dpi.png``.
+    """
+    return tesseract_samples_dir / "simple-no-dpi.png"
+
+
+@pytest.fixture(scope="session")
+def simple_bmp_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a simple BMP sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/simple.bmp``.
+    """
+    return tesseract_samples_dir / "simple.bmp"
+
+
+@pytest.fixture(scope="session")
+def simple_gif_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a simple GIF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/simple.gif``.
+    """
+    return tesseract_samples_dir / "simple.gif"
+
+
+@pytest.fixture(scope="session")
+def simple_heic_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a simple HEIC sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/simple.heic``.
+    """
+    return tesseract_samples_dir / "simple.heic"
+
+
+@pytest.fixture(scope="session")
+def simple_jpg_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a simple JPG sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/simple.jpg``.
+    """
+    return tesseract_samples_dir / "simple.jpg"
+
+
+@pytest.fixture(scope="session")
+def simple_png_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a simple PNG sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/simple.png``.
+    """
+    return tesseract_samples_dir / "simple.png"
+
+
+@pytest.fixture(scope="session")
+def simple_tif_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a simple TIF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/simple.tif``.
+    """
+    return tesseract_samples_dir / "simple.tif"
+
+
+@pytest.fixture(scope="session")
+def single_page_mixed_pdf_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a single-page mixed PDF sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/single-page-mixed.pdf``.
+    """
+    return tesseract_samples_dir / "single-page-mixed.pdf"
+
+
+@pytest.fixture(scope="session")
+def with_form_pdf_file(tesseract_samples_dir: Path) -> Path:
+    """Path to a PDF with form sample file.
+
+    Returns
+    -------
+    Path
+        Absolute path to ``tesseract/with-form.pdf``.
+    """
+    return tesseract_samples_dir / "with-form.pdf"
+
+
+# ------------------------------------------------------------------
+# Tesseract parser instance and settings helpers
+# ------------------------------------------------------------------
+
+
+@pytest.fixture()
+def null_app_config(mocker: MockerFixture) -> MagicMock:
+    """Return a MagicMock with all OcrConfig fields set to None.
+
+    This allows the parser to fall back to Django settings instead of
+    hitting the database.
+
+    Returns
+    -------
+    MagicMock
+        Mock config with all fields as None
+    """
+    return mocker.MagicMock(
+        output_type=None,
+        pages=None,
+        language=None,
+        mode=None,
+        skip_archive_file=None,
+        image_dpi=None,
+        unpaper_clean=None,
+        deskew=None,
+        rotate_pages=None,
+        rotate_pages_threshold=None,
+        max_image_pixels=None,
+        color_conversion_strategy=None,
+        user_args=None,
+    )
+
+
+@pytest.fixture()
+def tesseract_parser(
+    mocker: MockerFixture,
+    null_app_config: MagicMock,
+) -> Generator[RasterisedDocumentParser, None, None]:
+    """Yield a RasterisedDocumentParser and clean up its temporary directory afterwards.
+
+    Patches the config system to avoid database access.
+
+    Yields
+    ------
+    RasterisedDocumentParser
+        A ready-to-use parser instance.
+    """
+    mocker.patch(
+        "paperless.config.BaseConfig._get_config_instance",
+        return_value=null_app_config,
+    )
+    with RasterisedDocumentParser() as parser:
+        yield parser
+
+
+@pytest.fixture()
+def make_tesseract_parser(
+    mocker: MockerFixture,
+    null_app_config: MagicMock,
+) -> MakeTesseractParser:
+    """Return a factory for creating RasterisedDocumentParser with Django settings overrides.
+
+    This fixture is useful for tests that need to create parsers with different
+    settings configurations.
+
+    Returns
+    -------
+    Callable[..., contextmanager[RasterisedDocumentParser]]
+        A context manager factory that accepts Django settings overrides
+    """
+    mocker.patch(
+        "paperless.config.BaseConfig._get_config_instance",
+        return_value=null_app_config,
+    )
+
+    @contextmanager
+    def _make_parser(**django_settings_overrides):
+        with override_settings(**django_settings_overrides):
+            with RasterisedDocumentParser() as parser:
+                yield parser
+
+    return _make_parser

src/paperless/tests/parsers/test_remote_parser.py

@@ -481,12 +481,17 @@ class TestRemoteParserRegistry:
         assert parser_cls is RemoteDocumentParser
 
     @pytest.mark.usefixtures("no_engine_settings")
-    def test_get_parser_returns_none_for_pdf_when_not_configured(self) -> None:
-        """With no tesseract parser registered yet, PDF has no handler if remote is off."""
+    def test_get_parser_returns_none_for_unsupported_type_when_not_configured(
+        self,
+    ) -> None:
+        """With remote off and a truly unsupported MIME type, registry returns None."""
         from paperless.parsers.registry import ParserRegistry
 
         registry = ParserRegistry()
         registry.register_defaults()
-        parser_cls = registry.get_parser_for_file("application/pdf", "doc.pdf")
+        parser_cls = registry.get_parser_for_file(
+            "application/x-unknown-format",
+            "doc.xyz",
+        )
 
         assert parser_cls is None

src/paperless/tests/parsers/test_tesseract_custom_settings.py

@@ -10,7 +10,7 @@ from paperless.models import CleanChoices
 from paperless.models import ColorConvertChoices
 from paperless.models import ModeChoices
 from paperless.models import OutputTypeChoices
-from paperless_tesseract.parsers import RasterisedDocumentParser
+from paperless.parsers.tesseract import RasterisedDocumentParser
 
 
 class TestParserSettingsFromDb(DirectoriesMixin, FileSystemAssertsMixin, TestCase):

src/paperless/tests/parsers/test_text_parser.py

@@ -256,6 +256,9 @@ class TestTextParserRegistry:
         from paperless.parsers.registry import get_parser_registry
 
         registry = get_parser_registry()
-        parser_cls = registry.get_parser_for_file("application/pdf", "doc.pdf")
+        parser_cls = registry.get_parser_for_file(
+            "application/x-unknown-format",
+            "doc.xyz",
+        )
 
         assert parser_cls is None

src/paperless_tesseract/signals.py

@@ -1,10 +1,23 @@
-def get_parser(*args, **kwargs):
-    from paperless_tesseract.parsers import RasterisedDocumentParser
+from __future__ import annotations
 
+from typing import Any
+
+
+def get_parser(*args: Any, **kwargs: Any) -> Any:
+    from paperless.parsers.tesseract import RasterisedDocumentParser
+
+    # RasterisedDocumentParser accepts logging_group for constructor compatibility but
+    # does not store or use it (no legacy DocumentParser base class).
+    # progress_callback is also not used.  Both may arrive as a positional arg
+    # (consumer) or a keyword arg (views); *args absorbs the positional form,
+    # kwargs.pop handles the keyword form.  Phase 4 will replace this signal
+    # path with the new ParserRegistry so the shim can be removed at that point.
+    kwargs.pop("logging_group", None)
+    kwargs.pop("progress_callback", None)
     return RasterisedDocumentParser(*args, **kwargs)
 
 
-def tesseract_consumer_declaration(sender, **kwargs):
+def tesseract_consumer_declaration(sender: Any, **kwargs: Any) -> dict[str, Any]:
     return {
         "parser": get_parser,
         "weight": 0,

src/paperless_tesseract/tests/test_parser.py

@@ -1,924 +0,0 @@
-import shutil
-import tempfile
-import unicodedata
-import uuid
-from pathlib import Path
-from unittest import mock
-
-from django.test import TestCase
-from django.test import override_settings
-from ocrmypdf import SubprocessOutputError
-
-from documents.parsers import ParseError
-from documents.parsers import run_convert
-from documents.tests.utils import DirectoriesMixin
-from documents.tests.utils import FileSystemAssertsMixin
-from paperless_tesseract.parsers import RasterisedDocumentParser
-from paperless_tesseract.parsers import post_process_text
-
-
-class TestParser(DirectoriesMixin, FileSystemAssertsMixin, TestCase):
-    SAMPLE_FILES = Path(__file__).resolve().parent / "samples"
-
-    def assertContainsStrings(self, content, strings) -> None:
-        # Asserts that all strings appear in content, in the given order.
-        indices = []
-        for s in strings:
-            if s in content:
-                indices.append(content.index(s))
-            else:
-                self.fail(f"'{s}' is not in '{content}'")
-        self.assertListEqual(indices, sorted(indices))
-
-    def test_post_process_text(self) -> None:
-        text_cases = [
-            ("simple     string", "simple string"),
-            ("simple    newline\n   testing string", "simple newline\ntesting string"),
-            (
-                "utf-8   строка с пробелами в конце  ",
-                "utf-8 строка с пробелами в конце",
-            ),
-        ]
-
-        for source, result in text_cases:
-            actual_result = post_process_text(source)
-            self.assertEqual(
-                result,
-                actual_result,
-                f"strip_exceess_whitespace({source}) != '{result}', but '{actual_result}'",
-            )
-
-    def test_get_text_from_pdf(self) -> None:
-        parser = RasterisedDocumentParser(uuid.uuid4())
-        text = parser.extract_text(
-            None,
-            self.SAMPLE_FILES / "simple-digital.pdf",
-        )
-
-        self.assertContainsStrings(text.strip(), ["This is a test document."])
-
-    def test_get_page_count(self) -> None:
-        """
-        GIVEN:
-            - PDF file with a single page
-            - PDF file with multiple pages
-        WHEN:
-            - The number of pages is requested
-        THEN:
-            - The method returns 1 as the expected number of pages
-            - The method returns the correct number of pages (6)
-        """
-        parser = RasterisedDocumentParser(uuid.uuid4())
-        page_count = parser.get_page_count(
-            str(self.SAMPLE_FILES / "simple-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertEqual(page_count, 1)
-
-        page_count = parser.get_page_count(
-            str(self.SAMPLE_FILES / "multi-page-mixed.pdf"),
-            "application/pdf",
-        )
-        self.assertEqual(page_count, 6)
-
-    def test_get_page_count_password_protected(self) -> None:
-        """
-        GIVEN:
-            - Password protected PDF file
-        WHEN:
-            - The number of pages is requested
-        THEN:
-            - The method returns None
-        """
-        parser = RasterisedDocumentParser(uuid.uuid4())
-        with self.assertLogs("paperless.parsing.tesseract", level="WARNING") as cm:
-            page_count = parser.get_page_count(
-                str(self.SAMPLE_FILES / "password-protected.pdf"),
-                "application/pdf",
-            )
-            self.assertEqual(page_count, None)
-            self.assertIn("Unable to determine PDF page count", cm.output[0])
-
-    def test_thumbnail(self) -> None:
-        parser = RasterisedDocumentParser(uuid.uuid4())
-        thumb = parser.get_thumbnail(
-            str(self.SAMPLE_FILES / "simple-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertIsFile(thumb)
-
-    @mock.patch("documents.parsers.run_convert")
-    def test_thumbnail_fallback(self, m) -> None:
-        def call_convert(input_file, output_file, **kwargs) -> None:
-            if ".pdf" in str(input_file):
-                raise ParseError("Does not compute.")
-            else:
-                run_convert(input_file=input_file, output_file=output_file, **kwargs)
-
-        m.side_effect = call_convert
-
-        parser = RasterisedDocumentParser(uuid.uuid4())
-        thumb = parser.get_thumbnail(
-            str(self.SAMPLE_FILES / "simple-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertIsFile(thumb)
-
-    def test_thumbnail_encrypted(self) -> None:
-        parser = RasterisedDocumentParser(uuid.uuid4())
-        thumb = parser.get_thumbnail(
-            str(self.SAMPLE_FILES / "encrypted.pdf"),
-            "application/pdf",
-        )
-        self.assertIsFile(thumb)
-
-    def test_get_dpi(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        dpi = parser.get_dpi(str(self.SAMPLE_FILES / "simple-no-dpi.png"))
-        self.assertEqual(dpi, None)
-
-        dpi = parser.get_dpi(str(self.SAMPLE_FILES / "simple.png"))
-        self.assertEqual(dpi, 72)
-
-    def test_simple_digital(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        parser.parse(
-            str(self.SAMPLE_FILES / "simple-digital.pdf"),
-            "application/pdf",
-        )
-
-        self.assertIsFile(parser.archive_path)
-
-        self.assertContainsStrings(parser.get_text(), ["This is a test document."])
-
-    def test_with_form(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        parser.parse(
-            str(self.SAMPLE_FILES / "with-form.pdf"),
-            "application/pdf",
-        )
-
-        self.assertIsFile(parser.archive_path)
-
-        self.assertContainsStrings(
-            parser.get_text(),
-            ["Please enter your name in here:", "This is a PDF document with a form."],
-        )
-
-    @override_settings(OCR_MODE="redo")
-    def test_with_form_error(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        parser.parse(
-            str(self.SAMPLE_FILES / "with-form.pdf"),
-            "application/pdf",
-        )
-
-        self.assertIsNone(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text(),
-            ["Please enter your name in here:", "This is a PDF document with a form."],
-        )
-
-    @override_settings(OCR_MODE="skip")
-    def test_signed(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        parser.parse(str(self.SAMPLE_FILES / "signed.pdf"), "application/pdf")
-
-        self.assertIsNone(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text(),
-            [
-                "This is a digitally signed PDF, created with Acrobat Pro for the Paperless project to enable",
-                "automated testing of signed/encrypted PDFs",
-            ],
-        )
-
-    @override_settings(OCR_MODE="skip")
-    def test_encrypted(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        parser.parse(
-            str(self.SAMPLE_FILES / "encrypted.pdf"),
-            "application/pdf",
-        )
-
-        self.assertIsNone(parser.archive_path)
-        self.assertEqual(parser.get_text(), "")
-
-    @override_settings(OCR_MODE="redo")
-    def test_with_form_error_notext(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "with-form.pdf"),
-            "application/pdf",
-        )
-
-        self.assertContainsStrings(
-            parser.get_text(),
-            ["Please enter your name in here:", "This is a PDF document with a form."],
-        )
-
-    @override_settings(OCR_MODE="force")
-    def test_with_form_force(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        parser.parse(
-            str(self.SAMPLE_FILES / "with-form.pdf"),
-            "application/pdf",
-        )
-
-        self.assertContainsStrings(
-            parser.get_text(),
-            ["Please enter your name in here:", "This is a PDF document with a form."],
-        )
-
-    def test_image_simple(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        parser.parse(str(self.SAMPLE_FILES / "simple.png"), "image/png")
-
-        self.assertIsFile(parser.archive_path)
-
-        self.assertContainsStrings(parser.get_text(), ["This is a test document."])
-
-    def test_image_simple_alpha(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        with tempfile.TemporaryDirectory() as tempdir:
-            # Copy sample file to temp directory, as the parsing changes the file
-            # and this makes it modified to Git
-            sample_file = self.SAMPLE_FILES / "simple-alpha.png"
-            dest_file = Path(tempdir) / "simple-alpha.png"
-            shutil.copy(sample_file, dest_file)
-
-            parser.parse(str(dest_file), "image/png")
-
-            self.assertIsFile(parser.archive_path)
-
-            self.assertContainsStrings(parser.get_text(), ["This is a test document."])
-
-    def test_image_calc_a4_dpi(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        dpi = parser.calculate_a4_dpi(
-            str(self.SAMPLE_FILES / "simple-no-dpi.png"),
-        )
-
-        self.assertEqual(dpi, 62)
-
-    @mock.patch("paperless_tesseract.parsers.RasterisedDocumentParser.calculate_a4_dpi")
-    def test_image_dpi_fail(self, m) -> None:
-        m.return_value = None
-        parser = RasterisedDocumentParser(None)
-
-        def f() -> None:
-            parser.parse(
-                str(self.SAMPLE_FILES / "simple-no-dpi.png"),
-                "image/png",
-            )
-
-        self.assertRaises(ParseError, f)
-
-    @override_settings(OCR_IMAGE_DPI=72, MAX_IMAGE_PIXELS=0)
-    def test_image_no_dpi_default(self) -> None:
-        parser = RasterisedDocumentParser(None)
-
-        parser.parse(str(self.SAMPLE_FILES / "simple-no-dpi.png"), "image/png")
-
-        self.assertIsFile(parser.archive_path)
-
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["this is a test document."],
-        )
-
-    def test_multi_page(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertIsFile(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_PAGES=2, OCR_MODE="skip")
-    def test_multi_page_pages_skip(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertIsFile(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_PAGES=2, OCR_MODE="redo")
-    def test_multi_page_pages_redo(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertIsFile(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_PAGES=2, OCR_MODE="force")
-    def test_multi_page_pages_force(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertIsFile(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_MODE="skip")
-    def test_multi_page_analog_pages_skip(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-images.pdf"),
-            "application/pdf",
-        )
-        self.assertIsFile(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_PAGES=2, OCR_MODE="redo")
-    def test_multi_page_analog_pages_redo(self) -> None:
-        """
-        GIVEN:
-            - File with text contained in images but no text layer
-            - OCR of only pages 1 and 2 requested
-            - OCR mode set to redo
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text of page 1 and 2 extracted
-            - An archive file is created
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-images.pdf"),
-            "application/pdf",
-        )
-        self.assertIsFile(parser.archive_path)
-        self.assertContainsStrings(parser.get_text().lower(), ["page 1", "page 2"])
-        self.assertNotIn("page 3", parser.get_text().lower())
-
-    @override_settings(OCR_PAGES=1, OCR_MODE="force")
-    def test_multi_page_analog_pages_force(self) -> None:
-        """
-        GIVEN:
-            - File with text contained in images but no text layer
-            - OCR of only page 1 requested
-            - OCR mode set to force
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Only text of page 1 is extracted
-            - An archive file is created
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-images.pdf"),
-            "application/pdf",
-        )
-        self.assertIsFile(parser.archive_path)
-        self.assertContainsStrings(parser.get_text().lower(), ["page 1"])
-        self.assertNotIn("page 2", parser.get_text().lower())
-        self.assertNotIn("page 3", parser.get_text().lower())
-
-    @override_settings(OCR_MODE="skip_noarchive")
-    def test_skip_noarchive_withtext(self) -> None:
-        """
-        GIVEN:
-            - File with existing text layer
-            - OCR mode set to skip_noarchive
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from images is extracted
-            - No archive file is created
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertIsNone(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_MODE="skip_noarchive")
-    def test_skip_noarchive_notext(self) -> None:
-        """
-        GIVEN:
-            - File with text contained in images but no text layer
-            - OCR mode set to skip_noarchive
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from images is extracted
-            - An archive file is created with the OCRd text
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-images.pdf"),
-            "application/pdf",
-        )
-
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-        self.assertIsNotNone(parser.archive_path)
-
-    @override_settings(OCR_SKIP_ARCHIVE_FILE="never")
-    def test_skip_archive_never_withtext(self) -> None:
-        """
-        GIVEN:
-            - File with existing text layer
-            - OCR_SKIP_ARCHIVE_FILE set to never
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from text layer is extracted
-            - Archive file is created
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertIsNotNone(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_SKIP_ARCHIVE_FILE="never")
-    def test_skip_archive_never_withimages(self) -> None:
-        """
-        GIVEN:
-            - File with text contained in images but no text layer
-            - OCR_SKIP_ARCHIVE_FILE set to never
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from images is extracted
-            - Archive file is created
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-images.pdf"),
-            "application/pdf",
-        )
-        self.assertIsNotNone(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_SKIP_ARCHIVE_FILE="with_text")
-    def test_skip_archive_withtext_withtext(self) -> None:
-        """
-        GIVEN:
-            - File with existing text layer
-            - OCR_SKIP_ARCHIVE_FILE set to with_text
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from text layer is extracted
-            - No archive file is created
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertIsNone(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_SKIP_ARCHIVE_FILE="with_text")
-    def test_skip_archive_withtext_withimages(self) -> None:
-        """
-        GIVEN:
-            - File with text contained in images but no text layer
-            - OCR_SKIP_ARCHIVE_FILE set to with_text
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from images is extracted
-            - Archive file is created
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-images.pdf"),
-            "application/pdf",
-        )
-        self.assertIsNotNone(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_SKIP_ARCHIVE_FILE="always")
-    def test_skip_archive_always_withtext(self) -> None:
-        """
-        GIVEN:
-            - File with existing text layer
-            - OCR_SKIP_ARCHIVE_FILE set to always
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from text layer is extracted
-            - No archive file is created
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-digital.pdf"),
-            "application/pdf",
-        )
-        self.assertIsNone(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_SKIP_ARCHIVE_FILE="always")
-    def test_skip_archive_always_withimages(self) -> None:
-        """
-        GIVEN:
-            - File with text contained in images but no text layer
-            - OCR_SKIP_ARCHIVE_FILE set to always
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from images is extracted
-            - No archive file is created
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-images.pdf"),
-            "application/pdf",
-        )
-        self.assertIsNone(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    @override_settings(OCR_MODE="skip")
-    def test_multi_page_mixed(self) -> None:
-        """
-        GIVEN:
-            - File with some text contained in images and some in text layer
-            - OCR mode set to skip
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from images is extracted
-            - An archive file is created with the OCRd text and the original text
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-mixed.pdf"),
-            "application/pdf",
-        )
-        self.assertIsNotNone(parser.archive_path)
-        self.assertIsFile(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3", "page 4", "page 5", "page 6"],
-        )
-
-        with (parser.tempdir / "sidecar.txt").open() as f:
-            sidecar = f.read()
-
-        self.assertIn("[OCR skipped on page(s) 4-6]", sidecar)
-
-    @override_settings(OCR_MODE="redo")
-    def test_single_page_mixed(self) -> None:
-        """
-        GIVEN:
-            - File with some text contained in images and some in text layer
-            - Text and images are mixed on the same page
-            - OCR mode set to redo
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from images is extracted
-            - Full content of the file is parsed (not just the image text)
-            - An archive file is created with the OCRd text and the original text
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "single-page-mixed.pdf"),
-            "application/pdf",
-        )
-        self.assertIsNotNone(parser.archive_path)
-        self.assertIsFile(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            [
-                "this is some normal text, present on page 1 of the document.",
-                "this is some text, but in an image, also on page 1.",
-                "this is further text on page 1.",
-            ],
-        )
-
-        with (parser.tempdir / "sidecar.txt").open() as f:
-            sidecar = f.read().lower()
-
-        self.assertIn("this is some text, but in an image, also on page 1.", sidecar)
-        self.assertNotIn(
-            "this is some normal text, present on page 1 of the document.",
-            sidecar,
-        )
-
-    @override_settings(OCR_MODE="skip_noarchive")
-    def test_multi_page_mixed_no_archive(self) -> None:
-        """
-        GIVEN:
-            - File with some text contained in images and some in text layer
-            - OCR mode set to skip_noarchive
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from images is extracted
-            - No archive file is created as original file contains text
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-mixed.pdf"),
-            "application/pdf",
-        )
-        self.assertIsNone(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 4", "page 5", "page 6"],
-        )
-
-    @override_settings(OCR_MODE="skip", OCR_ROTATE_PAGES=True)
-    def test_rotate(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(str(self.SAMPLE_FILES / "rotated.pdf"), "application/pdf")
-        self.assertContainsStrings(
-            parser.get_text(),
-            [
-                "This is the text that appears on the first page. It’s a lot of text.",
-                "Even if the pages are rotated, OCRmyPDF still gets the job done.",
-                "This is a really weird file with lots of nonsense text.",
-                "If you read this, it’s your own fault. Also check your screen orientation.",
-            ],
-        )
-
-    def test_multi_page_tiff(self) -> None:
-        """
-        GIVEN:
-            - Multi-page TIFF image
-        WHEN:
-            - Image is parsed
-        THEN:
-            - Text from all pages extracted
-        """
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "multi-page-images.tiff"),
-            "image/tiff",
-        )
-        self.assertIsFile(parser.archive_path)
-        self.assertContainsStrings(
-            parser.get_text().lower(),
-            ["page 1", "page 2", "page 3"],
-        )
-
-    def test_multi_page_tiff_alpha(self) -> None:
-        """
-        GIVEN:
-            - Multi-page TIFF image
-            - Image include an alpha channel
-        WHEN:
-            - Image is parsed
-        THEN:
-            - Text from all pages extracted
-        """
-        parser = RasterisedDocumentParser(None)
-        sample_file = self.SAMPLE_FILES / "multi-page-images-alpha.tiff"
-        with tempfile.NamedTemporaryFile() as tmp_file:
-            shutil.copy(sample_file, tmp_file.name)
-            parser.parse(
-                tmp_file.name,
-                "image/tiff",
-            )
-            self.assertIsFile(parser.archive_path)
-            self.assertContainsStrings(
-                parser.get_text().lower(),
-                ["page 1", "page 2", "page 3"],
-            )
-
-    def test_multi_page_tiff_alpha_srgb(self) -> None:
-        """
-        GIVEN:
-            - Multi-page TIFF image
-            - Image include an alpha channel
-            - Image is srgb colorspace
-        WHEN:
-            - Image is parsed
-        THEN:
-            - Text from all pages extracted
-        """
-        parser = RasterisedDocumentParser(None)
-        sample_file = str(
-            self.SAMPLE_FILES / "multi-page-images-alpha-rgb.tiff",
-        )
-        with tempfile.NamedTemporaryFile() as tmp_file:
-            shutil.copy(sample_file, tmp_file.name)
-            parser.parse(
-                tmp_file.name,
-                "image/tiff",
-            )
-            self.assertIsFile(parser.archive_path)
-            self.assertContainsStrings(
-                parser.get_text().lower(),
-                ["page 1", "page 2", "page 3"],
-            )
-
-    def test_ocrmypdf_parameters(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        params = parser.construct_ocrmypdf_parameters(
-            input_file="input.pdf",
-            output_file="output.pdf",
-            sidecar_file="sidecar.txt",
-            mime_type="application/pdf",
-            safe_fallback=False,
-        )
-
-        self.assertEqual(params["input_file_or_options"], "input.pdf")
-        self.assertEqual(params["output_file"], "output.pdf")
-        self.assertEqual(params["sidecar"], "sidecar.txt")
-
-        with override_settings(OCR_CLEAN="none"):
-            parser = RasterisedDocumentParser(None)
-            params = parser.construct_ocrmypdf_parameters("", "", "", "")
-            self.assertNotIn("clean", params)
-            self.assertNotIn("clean_final", params)
-
-        with override_settings(OCR_CLEAN="clean"):
-            parser = RasterisedDocumentParser(None)
-            params = parser.construct_ocrmypdf_parameters("", "", "", "")
-            self.assertTrue(params["clean"])
-            self.assertNotIn("clean_final", params)
-
-        with override_settings(OCR_CLEAN="clean-final", OCR_MODE="skip"):
-            parser = RasterisedDocumentParser(None)
-            params = parser.construct_ocrmypdf_parameters("", "", "", "")
-            self.assertTrue(params["clean_final"])
-            self.assertNotIn("clean", params)
-
-        with override_settings(OCR_CLEAN="clean-final", OCR_MODE="redo"):
-            parser = RasterisedDocumentParser(None)
-            params = parser.construct_ocrmypdf_parameters("", "", "", "")
-            self.assertTrue(params["clean"])
-            self.assertNotIn("clean_final", params)
-
-        with override_settings(OCR_DESKEW=True, OCR_MODE="skip"):
-            parser = RasterisedDocumentParser(None)
-            params = parser.construct_ocrmypdf_parameters("", "", "", "")
-            self.assertTrue(params["deskew"])
-
-        with override_settings(OCR_DESKEW=True, OCR_MODE="redo"):
-            parser = RasterisedDocumentParser(None)
-            params = parser.construct_ocrmypdf_parameters("", "", "", "")
-            self.assertNotIn("deskew", params)
-
-        with override_settings(OCR_DESKEW=False, OCR_MODE="skip"):
-            parser = RasterisedDocumentParser(None)
-            params = parser.construct_ocrmypdf_parameters("", "", "", "")
-            self.assertNotIn("deskew", params)
-
-        with override_settings(OCR_MAX_IMAGE_PIXELS=1_000_001.0):
-            parser = RasterisedDocumentParser(None)
-            params = parser.construct_ocrmypdf_parameters("", "", "", "")
-            self.assertIn("max_image_mpixels", params)
-            self.assertAlmostEqual(params["max_image_mpixels"], 1, places=4)
-
-        with override_settings(OCR_MAX_IMAGE_PIXELS=-1_000_001.0):
-            parser = RasterisedDocumentParser(None)
-            params = parser.construct_ocrmypdf_parameters("", "", "", "")
-            self.assertNotIn("max_image_mpixels", params)
-
-    def test_rtl_language_detection(self) -> None:
-        """
-        GIVEN:
-            - File with text in an RTL language
-        WHEN:
-            - Document is parsed
-        THEN:
-            - Text from the document is extracted
-        """
-        parser = RasterisedDocumentParser(None)
-
-        parser.parse(
-            str(self.SAMPLE_FILES / "rtl-test.pdf"),
-            "application/pdf",
-        )
-
-        # OCR output for RTL text varies across platforms/versions due to
-        # bidi controls and presentation forms; normalize before assertion.
-        normalized_text = "".join(
-            char
-            for char in unicodedata.normalize("NFKC", parser.get_text())
-            if unicodedata.category(char) != "Cf" and not char.isspace()
-        )
-
-        self.assertIn("ةرازو", normalized_text)
-        self.assertTrue(
-            any(token in normalized_text for token in ("ةیلخادلا", "الاخليد")),
-        )
-
-    @mock.patch("ocrmypdf.ocr")
-    def test_gs_rendering_error(self, m) -> None:
-        m.side_effect = SubprocessOutputError("Ghostscript PDF/A rendering failed")
-        parser = RasterisedDocumentParser(None)
-
-        self.assertRaises(
-            ParseError,
-            parser.parse,
-            str(self.SAMPLE_FILES / "simple-digital.pdf"),
-            "application/pdf",
-        )
-
-
-class TestParserFileTypes(DirectoriesMixin, FileSystemAssertsMixin, TestCase):
-    SAMPLE_FILES = Path(__file__).parent / "samples"
-
-    def test_bmp(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(str(self.SAMPLE_FILES / "simple.bmp"), "image/bmp")
-        self.assertIsFile(parser.archive_path)
-        self.assertIn("this is a test document", parser.get_text().lower())
-
-    def test_jpg(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(str(self.SAMPLE_FILES / "simple.jpg"), "image/jpeg")
-        self.assertIsFile(parser.archive_path)
-        self.assertIn("this is a test document", parser.get_text().lower())
-
-    def test_heic(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(str(self.SAMPLE_FILES / "simple.heic"), "image/heic")
-        self.assertIsFile(parser.archive_path)
-        self.assertIn("pizza", parser.get_text().lower())
-
-    @override_settings(OCR_IMAGE_DPI=200)
-    def test_gif(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(str(self.SAMPLE_FILES / "simple.gif"), "image/gif")
-        self.assertIsFile(parser.archive_path)
-        self.assertIn("this is a test document", parser.get_text().lower())
-
-    def test_tiff(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(str(self.SAMPLE_FILES / "simple.tif"), "image/tiff")
-        self.assertIsFile(parser.archive_path)
-        self.assertIn("this is a test document", parser.get_text().lower())
-
-    @override_settings(OCR_IMAGE_DPI=72)
-    def test_webp(self) -> None:
-        parser = RasterisedDocumentParser(None)
-        parser.parse(
-            str(self.SAMPLE_FILES / "document.webp"),
-            "image/webp",
-        )
-        self.assertIsFile(parser.archive_path)
-        # Older tesseracts consistently mangle the space between "a webp",
-        # tesseract 5.3.0 seems to do a better job, so we're accepting both
-        self.assertRegex(
-            parser.get_text().lower(),
-            r"this is a ?webp document, created 11/14/2022.",
-        )