Chore: switch from os.path to pathlib.Path

docs/configuration.md

@@ -404,7 +404,7 @@ set this value to /paperless. No trailing slash!
 #### [`PAPERLESS_STATIC_URL=<path>`](#PAPERLESS_STATIC_URL) {#PAPERLESS_STATIC_URL}
 
 : Override the STATIC_URL here. Unless you're hosting Paperless off a
-subdomain like /paperless/, you probably don't need to change this.
+specific path like /paperless/, you probably don't need to change this.
 If you do change it, be sure to include the trailing slash.
 
     Defaults to "/static/".

pyproject.toml

@@ -227,27 +227,9 @@ lint.per-file-ignores."src/documents/tests/test_consumer.py" = [
 lint.per-file-ignores."src/documents/tests/test_file_handling.py" = [
   "PTH",
 ] # TODO Enable & remove
-lint.per-file-ignores."src/documents/tests/test_management.py" = [
-  "PTH",
-] # TODO Enable & remove
-lint.per-file-ignores."src/documents/tests/test_management_consumer.py" = [
-  "PTH",
-] # TODO Enable & remove
-lint.per-file-ignores."src/documents/tests/test_management_exporter.py" = [
-  "PTH",
-] # TODO Enable & remove
 lint.per-file-ignores."src/documents/tests/test_migration_archive_files.py" = [
   "PTH",
 ] # TODO Enable & remove
-lint.per-file-ignores."src/documents/tests/test_migration_document_pages_count.py" = [
-  "PTH",
-] # TODO Enable & remove
-lint.per-file-ignores."src/documents/tests/test_migration_mime_type.py" = [
-  "PTH",
-] # TODO Enable & remove
-lint.per-file-ignores."src/documents/tests/test_sanity_check.py" = [
-  "PTH",
-] # TODO Enable & remove
 lint.per-file-ignores."src/documents/views.py" = [
   "PTH",
 ] # TODO Enable & remove

src/documents/tests/test_management.py

@@ -1,6 +1,5 @@
 import filecmp
 import hashlib
-import os
 import shutil
 import tempfile
 from io import StringIO
@@ -19,7 +18,7 @@ from documents.tasks import update_document_content_maybe_archive_file
 from documents.tests.utils import DirectoriesMixin
 from documents.tests.utils import FileSystemAssertsMixin
 
-sample_file = os.path.join(os.path.dirname(__file__), "samples", "simple.pdf")
+sample_file: Path = Path(__file__).parent / "samples" / "simple.pdf"
 
 
 @override_settings(FILENAME_FORMAT="{correspondent}/{title}")
@@ -34,19 +33,13 @@ class TestArchiver(DirectoriesMixin, FileSystemAssertsMixin, TestCase):
 
     def test_archiver(self):
         doc = self.make_models()
-        shutil.copy(
-            sample_file,
-            os.path.join(self.dirs.originals_dir, f"{doc.id:07}.pdf"),
-        )
+        shutil.copy(sample_file, Path(self.dirs.originals_dir) / f"{doc.id:07}.pdf")
 
         call_command("document_archiver", "--processes", "1")
 
     def test_handle_document(self):
         doc = self.make_models()
-        shutil.copy(
-            sample_file,
-            os.path.join(self.dirs.originals_dir, f"{doc.id:07}.pdf"),
-        )
+        shutil.copy(sample_file, Path(self.dirs.originals_dir) / f"{doc.id:07}.pdf")
 
         update_document_content_maybe_archive_file(doc.pk)
 
@@ -90,11 +83,8 @@ class TestArchiver(DirectoriesMixin, FileSystemAssertsMixin, TestCase):
             mime_type="application/pdf",
             filename="document_01.pdf",
         )
-        shutil.copy(sample_file, os.path.join(self.dirs.originals_dir, "document.pdf"))
-        shutil.copy(
-            sample_file,
-            os.path.join(self.dirs.originals_dir, "document_01.pdf"),
-        )
+        shutil.copy(sample_file, Path(self.dirs.originals_dir) / "document.pdf")
+        shutil.copy(sample_file, Path(self.dirs.originals_dir) / "document_01.pdf")
 
         update_document_content_maybe_archive_file(doc2.pk)
         update_document_content_maybe_archive_file(doc1.pk)
@@ -136,22 +126,22 @@ class TestDecryptDocuments(FileSystemAssertsMixin, TestCase):
         )
 
         shutil.copy(
-            os.path.join(
-                os.path.dirname(__file__),
-                "samples",
-                "documents",
-                "originals",
-                "0000004.pdf.gpg",
+            (
+                Path(__file__).parent
+                / "samples"
+                / "documents"
+                / "originals"
+                / "0000004.pdf.gpg"
             ),
             originals_dir / "0000004.pdf.gpg",
         )
         shutil.copy(
-            os.path.join(
-                os.path.dirname(__file__),
-                "samples",
-                "documents",
-                "thumbnails",
-                "0000004.webp.gpg",
+            (
+                Path(__file__).parent
+                / "samples"
+                / "documents"
+                / "thumbnails"
+                / "0000004.webp.gpg"
             ),
             thumb_dir / f"{doc.id:07}.webp.gpg",
         )
@@ -162,13 +152,13 @@ class TestDecryptDocuments(FileSystemAssertsMixin, TestCase):
 
         self.assertEqual(doc.storage_type, Document.STORAGE_TYPE_UNENCRYPTED)
         self.assertEqual(doc.filename, "0000004.pdf")
-        self.assertIsFile(os.path.join(originals_dir, "0000004.pdf"))
+        self.assertIsFile(Path(originals_dir) / "0000004.pdf")
         self.assertIsFile(doc.source_path)
-        self.assertIsFile(os.path.join(thumb_dir, f"{doc.id:07}.webp"))
+        self.assertIsFile(Path(thumb_dir) / f"{doc.id:07}.webp")
         self.assertIsFile(doc.thumbnail_path)
 
         with doc.source_file as f:
-            checksum = hashlib.md5(f.read()).hexdigest()
+            checksum: str = hashlib.md5(f.read()).hexdigest()
             self.assertEqual(checksum, doc.checksum)
 
 

src/documents/tests/test_management_consumer.py

@@ -1,5 +1,4 @@
 import filecmp
-import os
 import shutil
 from pathlib import Path
 from threading import Thread
@@ -94,13 +93,13 @@ class ConsumerThreadMixin(DocumentConsumeDelayMixin):
             print("Consumed a perfectly valid file.")  # noqa: T201
 
     def slow_write_file(self, target, *, incomplete=False):
-        with open(self.sample_file, "rb") as f:
+        with Path(self.sample_file).open("rb") as f:
             pdf_bytes = f.read()
 
         if incomplete:
             pdf_bytes = pdf_bytes[: len(pdf_bytes) - 100]
 
-        with open(target, "wb") as f:
+        with Path(target).open("wb") as f:
             # this will take 2 seconds, since the file is about 20k.
             print("Start writing file.")  # noqa: T201
             for b in chunked(1000, pdf_bytes):
@@ -116,7 +115,7 @@ class TestConsumer(DirectoriesMixin, ConsumerThreadMixin, TransactionTestCase):
     def test_consume_file(self):
         self.t_start()
 
-        f = Path(os.path.join(self.dirs.consumption_dir, "my_file.pdf"))
+        f = Path(self.dirs.consumption_dir) / "my_file.pdf"
         shutil.copy(self.sample_file, f)
 
         self.wait_for_task_mock_call()
@@ -130,7 +129,7 @@ class TestConsumer(DirectoriesMixin, ConsumerThreadMixin, TransactionTestCase):
     def test_consume_file_invalid_ext(self):
         self.t_start()
 
-        f = os.path.join(self.dirs.consumption_dir, "my_file.wow")
+        f = Path(self.dirs.consumption_dir) / "my_file.wow"
         shutil.copy(self.sample_file, f)
 
         self.wait_for_task_mock_call()
@@ -138,7 +137,7 @@ class TestConsumer(DirectoriesMixin, ConsumerThreadMixin, TransactionTestCase):
         self.consume_file_mock.assert_not_called()
 
     def test_consume_existing_file(self):
-        f = Path(os.path.join(self.dirs.consumption_dir, "my_file.pdf"))
+        f = Path(self.dirs.consumption_dir) / "my_file.pdf"
         shutil.copy(self.sample_file, f)
 
         self.t_start()
@@ -154,7 +153,7 @@ class TestConsumer(DirectoriesMixin, ConsumerThreadMixin, TransactionTestCase):
 
         self.t_start()
 
-        fname = Path(os.path.join(self.dirs.consumption_dir, "my_file.pdf"))
+        fname = Path(self.dirs.consumption_dir) / "my_file.pdf"
 
         self.slow_write_file(fname)
 
@@ -174,8 +173,8 @@ class TestConsumer(DirectoriesMixin, ConsumerThreadMixin, TransactionTestCase):
 
         self.t_start()
 
-        fname = Path(os.path.join(self.dirs.consumption_dir, "my_file.~df"))
-        fname2 = Path(os.path.join(self.dirs.consumption_dir, "my_file.pdf"))
+        fname = Path(self.dirs.consumption_dir) / "my_file.~df"
+        fname2 = Path(self.dirs.consumption_dir) / "my_file.pdf"
 
         self.slow_write_file(fname)
         shutil.move(fname, fname2)
@@ -196,7 +195,7 @@ class TestConsumer(DirectoriesMixin, ConsumerThreadMixin, TransactionTestCase):
 
         self.t_start()
 
-        fname = Path(os.path.join(self.dirs.consumption_dir, "my_file.pdf"))
+        fname = Path(self.dirs.consumption_dir) / "my_file.pdf"
         self.slow_write_file(fname, incomplete=True)
 
         self.wait_for_task_mock_call()
@@ -225,23 +224,23 @@ class TestConsumer(DirectoriesMixin, ConsumerThreadMixin, TransactionTestCase):
 
         shutil.copy(
             self.sample_file,
-            os.path.join(self.dirs.consumption_dir, ".DS_STORE"),
+            Path(self.dirs.consumption_dir) / ".DS_STORE",
         )
         shutil.copy(
             self.sample_file,
-            os.path.join(self.dirs.consumption_dir, "my_file.pdf"),
+            Path(self.dirs.consumption_dir) / "my_file.pdf",
         )
         shutil.copy(
             self.sample_file,
-            os.path.join(self.dirs.consumption_dir, "._my_file.pdf"),
+            Path(self.dirs.consumption_dir) / "._my_file.pdf",
         )
         shutil.copy(
             self.sample_file,
-            os.path.join(self.dirs.consumption_dir, "my_second_file.pdf"),
+            Path(self.dirs.consumption_dir) / "my_second_file.pdf",
         )
         shutil.copy(
             self.sample_file,
-            os.path.join(self.dirs.consumption_dir, "._my_second_file.pdf"),
+            Path(self.dirs.consumption_dir) / "._my_second_file.pdf",
         )
 
         sleep(5)
@@ -259,60 +258,66 @@ class TestConsumer(DirectoriesMixin, ConsumerThreadMixin, TransactionTestCase):
     def test_is_ignored(self):
         test_paths = [
             {
-                "path": os.path.join(self.dirs.consumption_dir, "foo.pdf"),
+                "path": (Path(self.dirs.consumption_dir) / "foo.pdf").as_posix(),
                 "ignore": False,
             },
             {
-                "path": os.path.join(self.dirs.consumption_dir, "foo", "bar.pdf"),
+                "path": (
+                    Path(self.dirs.consumption_dir) / "foo" / "bar.pdf"
+                ).as_posix(),
                 "ignore": False,
             },
             {
-                "path": os.path.join(self.dirs.consumption_dir, ".DS_STORE"),
+                "path": (Path(self.dirs.consumption_dir) / ".DS_STORE").as_posix(),
                 "ignore": True,
             },
             {
-                "path": os.path.join(self.dirs.consumption_dir, ".DS_Store"),
+                "path": (Path(self.dirs.consumption_dir) / ".DS_Store").as_posix(),
                 "ignore": True,
             },
             {
-                "path": os.path.join(self.dirs.consumption_dir, ".stfolder", "foo.pdf"),
+                "path": (
+                    Path(self.dirs.consumption_dir) / ".stfolder" / "foo.pdf"
+                ).as_posix(),
                 "ignore": True,
             },
             {
-                "path": os.path.join(self.dirs.consumption_dir, ".stfolder.pdf"),
+                "path": (Path(self.dirs.consumption_dir) / ".stfolder.pdf").as_posix(),
                 "ignore": False,
             },
             {
-                "path": os.path.join(
-                    self.dirs.consumption_dir,
-                    ".stversions",
-                    "foo.pdf",
-                ),
+                "path": (
+                    Path(self.dirs.consumption_dir) / ".stversions" / "foo.pdf"
+                ).as_posix(),
                 "ignore": True,
             },
             {
-                "path": os.path.join(self.dirs.consumption_dir, ".stversions.pdf"),
+                "path": (
+                    Path(self.dirs.consumption_dir) / ".stversions.pdf"
+                ).as_posix(),
                 "ignore": False,
             },
             {
-                "path": os.path.join(self.dirs.consumption_dir, "._foo.pdf"),
+                "path": (Path(self.dirs.consumption_dir) / "._foo.pdf").as_posix(),
                 "ignore": True,
             },
             {
-                "path": os.path.join(self.dirs.consumption_dir, "my_foo.pdf"),
+                "path": (Path(self.dirs.consumption_dir) / "my_foo.pdf").as_posix(),
                 "ignore": False,
             },
             {
-                "path": os.path.join(self.dirs.consumption_dir, "._foo", "bar.pdf"),
+                "path": (
+                    Path(self.dirs.consumption_dir) / "._foo" / "bar.pdf"
+                ).as_posix(),
                 "ignore": True,
             },
             {
-                "path": os.path.join(
-                    self.dirs.consumption_dir,
-                    "@eaDir",
-                    "SYNO@.fileindexdb",
-                    "_1jk.fnm",
-                ),
+                "path": (
+                    Path(self.dirs.consumption_dir)
+                    / "@eaDir"
+                    / "SYNO@.fileindexdb"
+                    / "_1jk.fnm"
+                ).as_posix(),
                 "ignore": True,
             },
         ]
@@ -332,7 +337,7 @@ class TestConsumer(DirectoriesMixin, ConsumerThreadMixin, TransactionTestCase):
 
         self.t_start()
 
-        f = os.path.join(self.dirs.consumption_dir, "my_file.pdf")
+        f = Path(self.dirs.consumption_dir) / "my_file.pdf"
         shutil.copy(self.sample_file, f)
 
         self.wait_for_task_mock_call()
@@ -380,9 +385,9 @@ class TestConsumerTags(DirectoriesMixin, ConsumerThreadMixin, TransactionTestCas
 
         self.t_start()
 
-        path = os.path.join(self.dirs.consumption_dir, *tag_names)
-        os.makedirs(path, exist_ok=True)
-        f = Path(os.path.join(path, "my_file.pdf"))
+        path = Path(self.dirs.consumption_dir) / "/".join(tag_names)
+        path.mkdir(parents=True, exist_ok=True)
+        f = path / "my_file.pdf"
         # Wait at least inotify read_delay for recursive watchers
         # to be created for the new directories
         sleep(1)

src/documents/tests/test_management_exporter.py

@@ -1,6 +1,5 @@
 import hashlib
 import json
-import os
 import shutil
 import tempfile
 from io import StringIO
@@ -183,16 +182,16 @@ class TestExportImport(
 
         call_command(*args)
 
-        with open(os.path.join(self.target, "manifest.json")) as f:
+        with (self.target / "manifest.json").open() as f:
             manifest = json.load(f)
 
         return manifest
 
     def test_exporter(self, *, use_filename_format=False):
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         num_permission_objects = Permission.objects.count()
@@ -210,7 +209,7 @@ class TestExportImport(
             4,
         )
 
-        self.assertIsFile(os.path.join(self.target, "manifest.json"))
+        self.assertIsFile((self.target / "manifest.json").as_posix())
 
         self.assertEqual(
             self._get_document_from_manifest(manifest, self.d1.id)["fields"]["title"],
@@ -231,19 +230,17 @@ class TestExportImport(
 
         for element in manifest:
             if element["model"] == "documents.document":
-                fname = os.path.join(
-                    self.target,
-                    element[document_exporter.EXPORTER_FILE_NAME],
-                )
+                fname = (
+                    self.target / element[document_exporter.EXPORTER_FILE_NAME]
+                ).as_posix()
                 self.assertIsFile(fname)
                 self.assertIsFile(
-                    os.path.join(
-                        self.target,
-                        element[document_exporter.EXPORTER_THUMBNAIL_NAME],
-                    ),
+                    (
+                        self.target / element[document_exporter.EXPORTER_THUMBNAIL_NAME]
+                    ).as_posix(),
                 )
 
-                with open(fname, "rb") as f:
+                with Path(fname).open("rb") as f:
                     checksum = hashlib.md5(f.read()).hexdigest()
                 self.assertEqual(checksum, element["fields"]["checksum"])
 
@@ -253,13 +250,12 @@ class TestExportImport(
                 )
 
                 if document_exporter.EXPORTER_ARCHIVE_NAME in element:
-                    fname = os.path.join(
-                        self.target,
-                        element[document_exporter.EXPORTER_ARCHIVE_NAME],
-                    )
+                    fname = (
+                        self.target / element[document_exporter.EXPORTER_ARCHIVE_NAME]
+                    ).as_posix()
                     self.assertIsFile(fname)
 
-                    with open(fname, "rb") as f:
+                    with Path(fname).open("rb") as f:
                         checksum = hashlib.md5(f.read()).hexdigest()
                     self.assertEqual(checksum, element["fields"]["archive_checksum"])
 
@@ -297,10 +293,10 @@ class TestExportImport(
             self.assertEqual(len(messages), 0)
 
     def test_exporter_with_filename_format(self):
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         with override_settings(
@@ -309,16 +305,16 @@ class TestExportImport(
             self.test_exporter(use_filename_format=True)
 
     def test_update_export_changed_time(self):
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         self._do_export()
-        self.assertIsFile(os.path.join(self.target, "manifest.json"))
+        self.assertIsFile((self.target / "manifest.json").as_posix())
 
-        st_mtime_1 = os.stat(os.path.join(self.target, "manifest.json")).st_mtime
+        st_mtime_1 = (self.target / "manifest.json").stat().st_mtime
 
         with mock.patch(
             "documents.management.commands.document_exporter.copy_file_with_basic_stats",
@@ -326,8 +322,8 @@ class TestExportImport(
             self._do_export()
             m.assert_not_called()
 
-        self.assertIsFile(os.path.join(self.target, "manifest.json"))
-        st_mtime_2 = os.stat(os.path.join(self.target, "manifest.json")).st_mtime
+        self.assertIsFile((self.target / "manifest.json").as_posix())
+        st_mtime_2 = (self.target / "manifest.json").stat().st_mtime
 
         Path(self.d1.source_path).touch()
 
@@ -337,26 +333,26 @@ class TestExportImport(
             self._do_export()
             self.assertEqual(m.call_count, 1)
 
-        st_mtime_3 = os.stat(os.path.join(self.target, "manifest.json")).st_mtime
-        self.assertIsFile(os.path.join(self.target, "manifest.json"))
+        st_mtime_3 = (self.target / "manifest.json").stat().st_mtime
+        self.assertIsFile((self.target / "manifest.json").as_posix())
 
         self.assertNotEqual(st_mtime_1, st_mtime_2)
         self.assertNotEqual(st_mtime_2, st_mtime_3)
 
         self._do_export(compare_json=True)
-        st_mtime_4 = os.stat(os.path.join(self.target, "manifest.json")).st_mtime
+        st_mtime_4 = (self.target / "manifest.json").stat().st_mtime
         self.assertEqual(st_mtime_3, st_mtime_4)
 
     def test_update_export_changed_checksum(self):
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         self._do_export()
 
-        self.assertIsFile(os.path.join(self.target, "manifest.json"))
+        self.assertIsFile((self.target / "manifest.json").as_posix())
 
         with mock.patch(
             "documents.management.commands.document_exporter.copy_file_with_basic_stats",
@@ -364,7 +360,7 @@ class TestExportImport(
             self._do_export()
             m.assert_not_called()
 
-        self.assertIsFile(os.path.join(self.target, "manifest.json"))
+        self.assertIsFile((self.target / "manifest.json").as_posix())
 
         self.d2.checksum = "asdfasdgf3"
         self.d2.save()
@@ -375,13 +371,13 @@ class TestExportImport(
             self._do_export(compare_checksums=True)
             self.assertEqual(m.call_count, 1)
 
-        self.assertIsFile(os.path.join(self.target, "manifest.json"))
+        self.assertIsFile((self.target / "manifest.json").as_posix())
 
     def test_update_export_deleted_document(self):
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         manifest = self._do_export()
@@ -389,7 +385,7 @@ class TestExportImport(
         self.assertTrue(len(manifest), 7)
         doc_from_manifest = self._get_document_from_manifest(manifest, self.d3.id)
         self.assertIsFile(
-            os.path.join(self.target, doc_from_manifest[EXPORTER_FILE_NAME]),
+            (self.target / doc_from_manifest[EXPORTER_FILE_NAME]).as_posix(),
         )
         self.d3.delete()
 
@@ -401,39 +397,39 @@ class TestExportImport(
             self.d3.id,
         )
         self.assertIsFile(
-            os.path.join(self.target, doc_from_manifest[EXPORTER_FILE_NAME]),
+            (self.target / doc_from_manifest[EXPORTER_FILE_NAME]).as_posix(),
         )
 
         manifest = self._do_export(delete=True)
         self.assertIsNotFile(
-            os.path.join(self.target, doc_from_manifest[EXPORTER_FILE_NAME]),
+            (self.target / doc_from_manifest[EXPORTER_FILE_NAME]).as_posix(),
         )
 
         self.assertTrue(len(manifest), 6)
 
     @override_settings(FILENAME_FORMAT="{title}/{correspondent}")
     def test_update_export_changed_location(self):
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         self._do_export(use_filename_format=True)
-        self.assertIsFile(os.path.join(self.target, "wow1", "c.pdf"))
+        self.assertIsFile((self.target / "wow1" / "c.pdf").as_posix())
 
-        self.assertIsFile(os.path.join(self.target, "manifest.json"))
+        self.assertIsFile((self.target / "manifest.json").as_posix())
 
         self.d1.title = "new_title"
         self.d1.save()
         self._do_export(use_filename_format=True, delete=True)
-        self.assertIsNotFile(os.path.join(self.target, "wow1", "c.pdf"))
-        self.assertIsNotDir(os.path.join(self.target, "wow1"))
-        self.assertIsFile(os.path.join(self.target, "new_title", "c.pdf"))
-        self.assertIsFile(os.path.join(self.target, "manifest.json"))
-        self.assertIsFile(os.path.join(self.target, "wow2", "none.pdf"))
+        self.assertIsNotFile((self.target / "wow1" / "c.pdf").as_posix())
+        self.assertIsNotDir((self.target / "wow1").as_posix())
+        self.assertIsFile((self.target / "new_title" / "c.pdf").as_posix())
+        self.assertIsFile((self.target / "manifest.json").as_posix())
+        self.assertIsFile((self.target / "wow2" / "none.pdf").as_posix())
         self.assertIsFile(
-            os.path.join(self.target, "wow2", "none_01.pdf"),
+            (self.target / "wow2" / "none_01.pdf").as_posix(),
         )
 
     def test_export_missing_files(self):
@@ -458,20 +454,19 @@ class TestExportImport(
             - Zipfile is created
             - Zipfile contains exported files
         """
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         args = ["document_exporter", self.target, "--zip"]
 
         call_command(*args)
 
-        expected_file = os.path.join(
-            self.target,
-            f"export-{timezone.localdate().isoformat()}.zip",
-        )
+        expected_file = (
+            self.target / f"export-{timezone.localdate().isoformat()}.zip"
+        ).as_posix()
 
         self.assertIsFile(expected_file)
 
@@ -492,10 +487,10 @@ class TestExportImport(
             - Zipfile is created
             - Zipfile contains exported files
         """
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         args = ["document_exporter", self.target, "--zip", "--use-filename-format"]
@@ -505,10 +500,9 @@ class TestExportImport(
         ):
             call_command(*args)
 
-        expected_file = os.path.join(
-            self.target,
-            f"export-{timezone.localdate().isoformat()}.zip",
-        )
+        expected_file = (
+            self.target / f"export-{timezone.localdate().isoformat()}.zip"
+        ).as_posix()
 
         self.assertIsFile(expected_file)
 
@@ -533,10 +527,10 @@ class TestExportImport(
             - Zipfile contains exported files
             - The existing file and directory in target are removed
         """
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         # Create stuff in target directory
@@ -552,10 +546,9 @@ class TestExportImport(
 
         call_command(*args)
 
-        expected_file = os.path.join(
-            self.target,
-            f"export-{timezone.localdate().isoformat()}.zip",
-        )
+        expected_file = (
+            self.target / f"export-{timezone.localdate().isoformat()}.zip"
+        ).as_posix()
 
         self.assertIsFile(expected_file)
         self.assertIsNotFile(existing_file)
@@ -610,7 +603,7 @@ class TestExportImport(
             - Error is raised
         """
         with tempfile.TemporaryDirectory() as tmp_dir:
-            os.chmod(tmp_dir, 0o000)
+            Path(tmp_dir).chmod(0o000)
 
             args = ["document_exporter", tmp_dir]
 
@@ -629,10 +622,10 @@ class TestExportImport(
             - Manifest.json doesn't contain information about archive files
             - Documents can be imported again
         """
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         manifest = self._do_export()
@@ -670,10 +663,10 @@ class TestExportImport(
             - Manifest.json doesn't contain information about thumbnails
             - Documents can be imported again
         """
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         manifest = self._do_export()
@@ -713,10 +706,10 @@ class TestExportImport(
             - Main manifest.json file doesn't contain information about documents
             - Documents can be imported again
         """
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         manifest = self._do_export(split_manifest=True)
@@ -744,10 +737,10 @@ class TestExportImport(
         THEN:
             - Documents can be imported again
         """
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         self._do_export(use_folder_prefix=True)
@@ -769,10 +762,10 @@ class TestExportImport(
             - ContentType & Permission objects are not deleted, db transaction rolled back
         """
 
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         num_content_type_objects = ContentType.objects.count()
@@ -804,10 +797,10 @@ class TestExportImport(
             self.assertEqual(Permission.objects.count(), num_permission_objects + 1)
 
     def test_exporter_with_auditlog_disabled(self):
-        shutil.rmtree(os.path.join(self.dirs.media_dir, "documents"))
+        shutil.rmtree(Path(self.dirs.media_dir) / "documents")
         shutil.copytree(
-            os.path.join(os.path.dirname(__file__), "samples", "documents"),
-            os.path.join(self.dirs.media_dir, "documents"),
+            Path(__file__).parent / "samples" / "documents",
+            Path(self.dirs.media_dir) / "documents",
         )
 
         with override_settings(

src/documents/tests/test_migration_document_pages_count.py

@@ -1,4 +1,3 @@
-import os
 import shutil
 from pathlib import Path
 
@@ -8,11 +7,11 @@ from documents.tests.utils import DirectoriesMixin
 from documents.tests.utils import TestMigrations
 
 
-def source_path_before(self):
+def source_path_before(self) -> Path:
     if self.filename:
         fname = str(self.filename)
 
-    return os.path.join(settings.ORIGINALS_DIR, fname)
+    return Path(settings.ORIGINALS_DIR) / fname
 
 
 class TestMigrateDocumentPageCount(DirectoriesMixin, TestMigrations):

src/documents/tests/test_migration_mime_type.py

@@ -1,5 +1,5 @@
-import os
 import shutil
+from pathlib import Path
 
 from django.conf import settings
 from django.test import override_settings
@@ -20,7 +20,7 @@ def source_path_before(self):
         if self.storage_type == STORAGE_TYPE_GPG:
             fname += ".gpg"
 
-    return os.path.join(settings.ORIGINALS_DIR, fname)
+    return (Path(settings.ORIGINALS_DIR) / fname).as_posix()
 
 
 def file_type_after(self):
@@ -35,7 +35,7 @@ def source_path_after(doc):
         if doc.storage_type == STORAGE_TYPE_GPG:
             fname += ".gpg"  # pragma: no cover
 
-    return os.path.join(settings.ORIGINALS_DIR, fname)
+    return (Path(settings.ORIGINALS_DIR) / fname).as_posix()
 
 
 @override_settings(PASSPHRASE="test")
@@ -52,7 +52,7 @@ class TestMigrateMimeType(DirectoriesMixin, TestMigrations):
         )
         self.doc_id = doc.id
         shutil.copy(
-            os.path.join(os.path.dirname(__file__), "samples", "simple.pdf"),
+            Path(__file__).parent / "samples" / "simple.pdf",
             source_path_before(doc),
         )
 
@@ -63,12 +63,12 @@ class TestMigrateMimeType(DirectoriesMixin, TestMigrations):
         )
         self.doc2_id = doc2.id
         shutil.copy(
-            os.path.join(
-                os.path.dirname(__file__),
-                "samples",
-                "documents",
-                "originals",
-                "0000004.pdf.gpg",
+            (
+                Path(__file__).parent
+                / "samples"
+                / "documents"
+                / "originals"
+                / "0000004.pdf.gpg"
             ),
             source_path_before(doc2),
         )
@@ -97,7 +97,7 @@ class TestMigrateMimeTypeBackwards(DirectoriesMixin, TestMigrations):
         )
         self.doc_id = doc.id
         shutil.copy(
-            os.path.join(os.path.dirname(__file__), "samples", "simple.pdf"),
+            Path(__file__).parent / "samples" / "simple.pdf",
             source_path_after(doc),
         )
 

src/documents/tests/test_sanity_check.py

@@ -1,5 +1,4 @@
 import logging
-import os
 import shutil
 from pathlib import Path
 
@@ -17,34 +16,34 @@ class TestSanityCheck(DirectoriesMixin, TestCase):
         with filelock.FileLock(settings.MEDIA_LOCK):
             # just make sure that the lockfile is present.
             shutil.copy(
-                os.path.join(
-                    os.path.dirname(__file__),
-                    "samples",
-                    "documents",
-                    "originals",
-                    "0000001.pdf",
+                (
+                    Path(__file__).parent
+                    / "samples"
+                    / "documents"
+                    / "originals"
+                    / "0000001.pdf"
                 ),
-                os.path.join(self.dirs.originals_dir, "0000001.pdf"),
+                Path(self.dirs.originals_dir) / "0000001.pdf",
             )
             shutil.copy(
-                os.path.join(
-                    os.path.dirname(__file__),
-                    "samples",
-                    "documents",
-                    "archive",
-                    "0000001.pdf",
+                (
+                    Path(__file__).parent
+                    / "samples"
+                    / "documents"
+                    / "archive"
+                    / "0000001.pdf"
                 ),
-                os.path.join(self.dirs.archive_dir, "0000001.pdf"),
+                Path(self.dirs.archive_dir) / "0000001.pdf",
             )
             shutil.copy(
-                os.path.join(
-                    os.path.dirname(__file__),
-                    "samples",
-                    "documents",
-                    "thumbnails",
-                    "0000001.webp",
+                (
+                    Path(__file__).parent
+                    / "samples"
+                    / "documents"
+                    / "thumbnails"
+                    / "0000001.webp"
                 ),
-                os.path.join(self.dirs.thumbnail_dir, "0000001.webp"),
+                Path(self.dirs.thumbnail_dir) / "0000001.webp",
             )
 
         return Document.objects.create(
@@ -92,25 +91,25 @@ class TestSanityCheck(DirectoriesMixin, TestCase):
 
     def test_no_thumbnail(self):
         doc = self.make_test_data()
-        os.remove(doc.thumbnail_path)
+        Path(doc.thumbnail_path).unlink()
         self.assertSanityError(doc, "Thumbnail of document does not exist")
 
     def test_thumbnail_no_access(self):
         doc = self.make_test_data()
-        os.chmod(doc.thumbnail_path, 0o000)
+        Path(doc.thumbnail_path).chmod(0o000)
         self.assertSanityError(doc, "Cannot read thumbnail file of document")
-        os.chmod(doc.thumbnail_path, 0o777)
+        Path(doc.thumbnail_path).chmod(0o777)
 
     def test_no_original(self):
         doc = self.make_test_data()
-        os.remove(doc.source_path)
+        Path(doc.source_path).unlink()
         self.assertSanityError(doc, "Original of document does not exist.")
 
     def test_original_no_access(self):
         doc = self.make_test_data()
-        os.chmod(doc.source_path, 0o000)
+        Path(doc.source_path).chmod(0o000)
         self.assertSanityError(doc, "Cannot read original file of document")
-        os.chmod(doc.source_path, 0o777)
+        Path(doc.source_path).chmod(0o777)
 
     def test_original_checksum_mismatch(self):
         doc = self.make_test_data()
@@ -120,14 +119,14 @@ class TestSanityCheck(DirectoriesMixin, TestCase):
 
     def test_no_archive(self):
         doc = self.make_test_data()
-        os.remove(doc.archive_path)
+        Path(doc.archive_path).unlink()
         self.assertSanityError(doc, "Archived version of document does not exist.")
 
     def test_archive_no_access(self):
         doc = self.make_test_data()
-        os.chmod(doc.archive_path, 0o000)
+        Path(doc.archive_path).chmod(0o000)
         self.assertSanityError(doc, "Cannot read archive file of document")
-        os.chmod(doc.archive_path, 0o777)
+        Path(doc.archive_path).chmod(0o777)
 
     def test_archive_checksum_mismatch(self):
         doc = self.make_test_data()