code_snippets.py

CHARACTER = """```python
from langchain.text_splitter import CharacterTextSplitter

{length_function}

splitter = CharacterTextSplitter(
    separator = "\\n\\n",  # Split character (default \\n\\n)
    chunk_size={chunk_size},
    chunk_overlap={chunk_overlap},
    length_function=length_function,
)
text = "foo bar"
splits = splitter.split_text(text)
"""

RECURSIVE_CHARACTER = """```python
from langchain.text_splitter import RecursiveCharacterTextSplitter

{length_function}

# The default list of split characters is [\\n\\n, \\n, " ", ""]
# Tries to split on them in order until the chunks are small enough
# Keep paragraphs, sentences, words together as long as possible
splitter = RecursiveCharacterTextSplitter(
    separators=["\\n\\n", "\\n", " ", ""],
    chunk_size={chunk_size}, 
    chunk_overlap={chunk_overlap},
    length_function=length_function,
)
text = "foo bar"
splits = splitter.split_text(text)
"""

LANGUAGE = """```python
from langchain.text_splitter import RecursiveCharacterTextSplitter, Language

{length_function}

splitter = RecursiveCharacterTextSplitter.from_language(
    {language},
    chunk_size={chunk_size}, 
    chunk_overlap={chunk_overlap},
    length_function=length_function,
)
text = "foo bar"
splits = splitter.split_text(text)
"""

CHARACTER_LENGTH = "length_function = len"

TOKEN_LENGTH = """import tiktoken

enc = tiktoken.get_encoding("cl100k_base")
    
def length_function(text: str) -> int:
    return len(enc.encode(text))
"""