refactor: restructure into package layout and split large modules

tests/test_table_utils.py

@@ -1,7 +1,13 @@
 from dataclasses import dataclass
 from typing import Any, cast
 
-from auditui import table_utils
+from auditui.constants import AUTHOR_NAME_MAX_LENGTH
+from auditui.library import (
+    create_progress_sort_key,
+    create_title_sort_key,
+    format_item_as_row,
+    truncate_author_name,
+)
 
 
 class StubLibrary:
@@ -37,22 +43,22 @@ class StubDownloads:
 
 
 def test_create_title_sort_key_normalizes_accents() -> None:
-    key_fn, _ = table_utils.create_title_sort_key()
+    key_fn, _ = create_title_sort_key()
     assert key_fn(["École"]) == "ecole"
     assert key_fn(["Zoo"]) == "zoo"
 
 
 def test_create_progress_sort_key_parses_percent() -> None:
-    key_fn, _ = table_utils.create_progress_sort_key()
+    key_fn, _ = create_progress_sort_key()
     assert key_fn(["0", "0", "0", "42.5%"]) == 42.5
     assert key_fn(["0", "0", "0", "bad"]) == 0.0
 
 
 def test_truncate_author_name() -> None:
-    long_name = "A" * (table_utils.AUTHOR_NAME_MAX_LENGTH + 5)
-    truncated = table_utils.truncate_author_name(long_name)
+    long_name = "A" * (AUTHOR_NAME_MAX_LENGTH + 5)
+    truncated = truncate_author_name(long_name)
     assert truncated.endswith("...")
-    assert len(truncated) <= table_utils.AUTHOR_NAME_MAX_LENGTH
+    assert len(truncated) <= AUTHOR_NAME_MAX_LENGTH
 
 
 def test_format_item_as_row_with_downloaded() -> None:
@@ -65,7 +71,7 @@ def test_format_item_as_row_with_downloaded() -> None:
         "percent": 12.34,
         "asin": "ASIN123",
     }
-    title, author, runtime, progress, downloaded = table_utils.format_item_as_row(
+    title, author, runtime, progress, downloaded = format_item_as_row(
         item, library, cast(Any, downloads)
     )
     assert title == "Title"
@@ -79,5 +85,5 @@ def test_format_item_as_row_zero_progress() -> None:
     library = StubLibrary()
     item = {"title": "Title", "authors": "Author",
             "minutes": 30, "percent": 0.0}
-    _, _, _, progress, _ = table_utils.format_item_as_row(item, library, None)
+    _, _, _, progress, _ = format_item_as_row(item, library, None)
     assert progress == "0%"