mirror of
https://github.com/arc53/DocsGPT.git
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21e5c261ef
* feat: template-based prompt rendering with dynamic namespace injection * refactor: improve template engine initialization with clearer formatting * refactor: streamline ReActAgent methods and improve content extraction logic feat: enhance error handling in NamespaceManager and TemplateEngine fix: update NewAgent component to ensure consistent form data submission test: modify tests for ReActAgent and prompt renderer to reflect method changes and improve coverage * feat: tools namespace + three-tier token budget * refactor: remove unused variable assignment in message building tests * Enhance prompt customization and tool pre-fetching functionality * ruff lint fix * refactor: cleaner error handling and reduce code clutter --------- Co-authored-by: Alex <a@tushynski.me>
98 lines
3.4 KiB
Python
98 lines
3.4 KiB
Python
import logging
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from typing import Any, Dict, Optional
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from application.templates.namespaces import NamespaceManager
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from application.templates.template_engine import TemplateEngine, TemplateRenderError
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logger = logging.getLogger(__name__)
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class PromptRenderer:
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"""Service for rendering prompts with dynamic context using namespaces"""
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def __init__(self):
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self.template_engine = TemplateEngine()
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self.namespace_manager = NamespaceManager()
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def render_prompt(
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self,
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prompt_content: str,
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user_id: Optional[str] = None,
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request_id: Optional[str] = None,
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passthrough_data: Optional[Dict[str, Any]] = None,
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docs: Optional[list] = None,
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docs_together: Optional[str] = None,
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tools_data: Optional[Dict[str, Any]] = None,
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**kwargs,
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) -> str:
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"""
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Render prompt with full context from all namespaces.
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Args:
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prompt_content: Raw prompt template string
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user_id: Current user identifier
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request_id: Unique request identifier
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passthrough_data: Parameters from web request
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docs: RAG retrieved documents
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docs_together: Concatenated document content
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tools_data: Pre-fetched tool results organized by tool name
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**kwargs: Additional parameters for namespace builders
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Returns:
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Rendered prompt string with all variables substituted
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Raises:
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TemplateRenderError: If template rendering fails
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"""
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if not prompt_content:
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return ""
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uses_template = self._uses_template_syntax(prompt_content)
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if not uses_template:
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return self._apply_legacy_substitutions(prompt_content, docs_together)
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try:
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context = self.namespace_manager.build_context(
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user_id=user_id,
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request_id=request_id,
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passthrough_data=passthrough_data,
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docs=docs,
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docs_together=docs_together,
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tools_data=tools_data,
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**kwargs,
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)
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return self.template_engine.render(prompt_content, context)
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except TemplateRenderError:
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raise
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except Exception as e:
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error_msg = f"Prompt rendering failed: {str(e)}"
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logger.error(error_msg)
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raise TemplateRenderError(error_msg) from e
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def _uses_template_syntax(self, prompt_content: str) -> bool:
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"""Check if prompt uses Jinja2 template syntax"""
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return "{{" in prompt_content and "}}" in prompt_content
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def _apply_legacy_substitutions(
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self, prompt_content: str, docs_together: Optional[str] = None
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) -> str:
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"""
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Apply backward-compatible substitutions for old prompt format.
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Handles legacy {summaries} and {query} placeholders during transition period.
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"""
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if docs_together:
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prompt_content = prompt_content.replace("{summaries}", docs_together)
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return prompt_content
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def validate_template(self, prompt_content: str) -> bool:
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"""Validate prompt template syntax"""
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return self.template_engine.validate_template(prompt_content)
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def extract_variables(self, prompt_content: str) -> set[str]:
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"""Extract all variable names from prompt template"""
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return self.template_engine.extract_variables(prompt_content)
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