pretty_repr() — langchain Function Reference

Architecture documentation for the pretty_repr() function in chat.py from the langchain codebase.

Function python PromptManagement ChatTemplates calls 1

Entity Profile

PromptManagement→ ChatTemplates→ pretty_repr() — langchain Function Reference

Dependency Diagram

graph TD
  4a22eaf2_c4cb_6f2f_6204_f7dbd1279a87["pretty_repr()"]
  c5f45b6e_9126_7fa3_ba5a_e6a86d45b6d5["MessagesPlaceholder"]
  4a22eaf2_c4cb_6f2f_6204_f7dbd1279a87 -->|defined in| c5f45b6e_9126_7fa3_ba5a_e6a86d45b6d5
  47fe42aa_c8e0_87b2_ad04_4343c7ef26cb["pretty_repr()"]
  4a22eaf2_c4cb_6f2f_6204_f7dbd1279a87 -->|calls| 47fe42aa_c8e0_87b2_ad04_4343c7ef26cb
  style 4a22eaf2_c4cb_6f2f_6204_f7dbd1279a87 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/prompts/chat.py lines 201–216

    def pretty_repr(self, html: bool = False) -> str:
        """Human-readable representation.

        Args:
            html: Whether to format as HTML.

        Returns:
            Human-readable representation.
        """
        var = "{" + self.variable_name + "}"
        if html:
            title = get_msg_title_repr("Messages Placeholder", bold=True)
            var = get_colored_text(var, "yellow")
        else:
            title = get_msg_title_repr("Messages Placeholder")
        return f"{title}\n\n{var}"