1 files changed, 0 insertions, 81 deletions
diff --git a/src/text_recognizer/datasets/sentence_generator.py b/src/text_recognizer/datasets/sentence_generator.py
deleted file mode 100644
index dd76652..0000000
--- a/src/text_recognizer/datasets/sentence_generator.py
+++ /dev/null
@@ -1,81 +0,0 @@
-"""Downloading the Brown corpus with NLTK for sentence generating."""
-
-import itertools
-import re
-import string
-from typing import Optional
-
-import nltk
-from nltk.corpus.reader.util import ConcatenatedCorpusView
-import numpy as np
-
-from text_recognizer.datasets.util import DATA_DIRNAME
-
-NLTK_DATA_DIRNAME = DATA_DIRNAME / "raw" / "nltk"
-
-
-class SentenceGenerator:
-    """Generates text sentences using the Brown corpus."""
-
-    def __init__(self, max_length: Optional[int] = None) -> None:
-        """Loads the corpus and sets word start indices."""
-        self.corpus = brown_corpus()
-        self.word_start_indices = [0] + [
-            _.start(0) + 1 for _ in re.finditer(" ", self.corpus)
-        ]
-        self.max_length = max_length
-
-    def generate(self, max_length: Optional[int] = None) -> str:
-        """Generates a word or sentences from the Brown corpus.
-
-        Sample a string from the Brown corpus of length at least one word and at most max_length, padding to
-        max_length with the '_' characters if sentence is shorter.
-
-        Args:
-            max_length (Optional[int]): The maximum number of characters in the sentence. Defaults to None.
-
-        Returns:
-            str: A sentence from the Brown corpus.
-
-        Raises:
-            ValueError: If max_length was not specified at initialization and not given as an argument.
-
-        """
-        if max_length is None:
-            max_length = self.max_length
-        if max_length is None:
-            raise ValueError(
-                "Must provide max_length to this method or when making this object."
-            )
-
-        index = np.random.randint(0, len(self.word_start_indices) - 1)
-        start_index = self.word_start_indices[index]
-        end_index_candidates = []
-        for index in range(index + 1, len(self.word_start_indices)):
-            if self.word_start_indices[index] - start_index > max_length:
-                break
-            end_index_candidates.append(self.word_start_indices[index])
-        end_index = np.random.choice(end_index_candidates)
-        sampled_text = self.corpus[start_index:end_index].strip()
-        padding = "_" * (max_length - len(sampled_text))
-        return sampled_text + padding
-
-
-def brown_corpus() -> str:
-    """Returns a single string with the Brown corpus with all punctuations stripped."""
-    sentences = load_nltk_brown_corpus()
-    corpus = " ".join(itertools.chain.from_iterable(sentences))
-    corpus = corpus.translate({ord(c): None for c in string.punctuation})
-    corpus = re.sub(" +", " ", corpus)
-    return corpus
-
-
-def load_nltk_brown_corpus() -> ConcatenatedCorpusView:
-    """Load the Brown corpus using the NLTK library."""
-    nltk.data.path.append(NLTK_DATA_DIRNAME)
-    try:
-        nltk.corpus.brown.sents()
-    except LookupError:
-        NLTK_DATA_DIRNAME.mkdir(parents=True, exist_ok=True)
-        nltk.download("brown", download_dir=NLTK_DATA_DIRNAME)
-    return nltk.corpus.brown.sents()