Make parse_text private static method

audbcards/core/dataset.py

@@ -2,6 +2,7 @@
 import inspect
 import os
 import pickle
+import re
 import typing
 
 import jinja2
@@ -166,6 +167,33 @@ def _load_pickled(path: str):
         with open(path, "rb") as f:
             return pickle.load(f)
 
+    @staticmethod
+    def _parse_text(text: str) -> str:
+        """Remove unsupported characters and restrict length.
+
+        The text is stripped from HTML tags or newlines,
+        and limited to a maximum length of 100 characters.
+
+        Args:
+            text: input text
+
+        Returns:
+            parsed text
+
+        """
+        # Missing text
+        if pd.isna(text):
+            return ""
+        # Remove newlines
+        text = text.replace("\n", "\\n")
+        # Remove HTML tags
+        text = re.sub("<[^<]+?>", "", text)
+        # Limit length
+        max_characters_per_entry = 100
+        if len(text) > max_characters_per_entry:
+            text = text[: max_characters_per_entry - 3] + "..."
+        return text
+
     @staticmethod
     def _save_pickled(obj, path: str):
         """Save object instance to path as pickle."""
@@ -523,7 +551,7 @@ def tables_preview(self) -> typing.Dict[str, typing.List[typing.List[str]]]:
             header = [df.columns.tolist()]
             body = df.head(5).astype("string").values.tolist()
             # Remove unwanted chars and limit length of each entry
-            body = [[utils.parse_text(column) for column in row] for row in body]
+            body = [[self._parse_text(column) for column in row] for row in body]
             preview[table] = header + body
         return preview
 
@@ -824,6 +852,10 @@ def _load_pickled(path: str):
         ds = _Dataset._load_pickled(path)
         return ds
 
+    @staticmethod
+    def _parse_text(text: str) -> str:
+        return _Dataset._parse_text(text)
+
     @staticmethod
     def _save_pickled(obj, path: str):
         """Save object instance to path as pickle."""

audbcards/core/utils.py

@@ -1,8 +1,6 @@
-import re
 import typing
 
 import matplotlib.pyplot as plt
-import pandas as pd
 
 import audeer
 import audformat
@@ -101,33 +99,6 @@ def limit_presented_samples(
     return samples
 
 
-def parse_text(text: str) -> str:
-    """Remove unsupported characters and restrict length.
-
-    The text is stripped from HTML tags or newlines,
-    and limited to a maximum length of 100 characters.
-
-    Args:
-        text: input text
-
-    Returns:
-        parsed text
-
-    """
-    # Missing text
-    if pd.isna(text):
-        return ""
-    # Remove newlines
-    text = text.replace("\n", "\\n")
-    # Remove HTML tags
-    text = re.sub("<[^<]+?>", "", text)
-    # Limit length
-    max_characters_per_entry = 100
-    if len(text) > max_characters_per_entry:
-        text = text[: max_characters_per_entry - 3] + "..."
-    return text
-
-
 def set_plot_margins(
     *,
     left=0,

tests/test_dataset.py

@@ -452,6 +452,21 @@ def test_dataset_cache_loading(audb_cache, tmpdir, repository, db, request):
         assert dataset.repository_object == repository
 
 
+@pytest.mark.parametrize(
+    "text, expected",
+    [
+        ("abc\ndef", "abc\\ndef"),
+        ("a" * 101, "a" * 97 + "..."),
+        ('<a href="http://www.google.de">text link</a>', "text link"),
+        (None, ""),
+        (pd.NA, ""),
+    ],
+)
+def test_dataset_parse_text(text, expected):
+    """Test parsing of text."""
+    assert audbcards.Dataset._parse_text(text) == expected
+
+
 class TestDatasetLoadTables:
     r"""Test load_tables argument of audbcards.Dataset."""
 

tests/test_utils.py

@@ -69,18 +69,3 @@ def test_limit_presented_samples(sample, limit, replacement_text, expected):
         sample, limit, replacement_text
     )
     assert limited_sample == expected
-
-
-@pytest.mark.parametrize(
-    "text, expected",
-    [
-        ("abc\ndef", "abc\\ndef"),
-        ("a" * 101, "a" * 97 + "..."),
-        ('<a href="http://www.google.de">text link</a>', "text link"),
-        (None, ""),
-        (pd.NA, ""),
-    ],
-)
-def test_parse_text(text, expected):
-    """Test parsing of text."""
-    assert audbcards.core.utils.parse_text(text) == expected