Files
chatgpt-on-wechat/agent/skills/formatter.py

127 lines
3.8 KiB
Python

"""
Skill formatter for generating prompts from skills.
"""
from typing import Dict, List
from agent.skills.types import Skill, SkillEntry
def format_skills_for_prompt(skills: List[Skill]) -> str:
"""
Format skills for inclusion in a system prompt.
Uses XML format per Agent Skills standard.
Skills with disable_model_invocation=True are excluded.
:param skills: List of skills to format
:return: Formatted prompt text
"""
# Filter out skills that should not be invoked by the model
visible_skills = [s for s in skills if not s.disable_model_invocation]
if not visible_skills:
return ""
lines = [
"",
"<available_skills>",
]
for skill in visible_skills:
lines.append(" <skill>")
lines.append(f" <name>{_escape_xml(skill.name)}</name>")
lines.append(f" <description>{_escape_xml(skill.description)}</description>")
lines.append(f" <location>{_escape_xml(skill.file_path)}</location>")
lines.append(f" <base_dir>{_escape_xml(skill.base_dir)}</base_dir>")
lines.append(" </skill>")
lines.append("</available_skills>")
return "\n".join(lines)
def format_skill_entries_for_prompt(entries: List[SkillEntry]) -> str:
"""
Format skill entries for inclusion in a system prompt.
:param entries: List of skill entries to format
:return: Formatted prompt text
"""
skills = [entry.skill for entry in entries]
return format_skills_for_prompt(skills)
def format_unavailable_skills_for_prompt(
entries: List[SkillEntry],
missing_map: Dict[str, Dict[str, List[str]]],
) -> str:
"""
Format unavailable (requires-not-met) skills as brief setup hints
so the AI can guide users to configure them.
:param entries: List of unavailable skill entries
:param missing_map: Dict mapping skill name to its missing requirements
:return: Formatted prompt text
"""
if not entries:
return ""
lines = [
"",
"<unavailable_skills>",
"The following skills are installed but not yet ready. "
"Guide the user to complete the setup when relevant.",
]
for entry in entries:
skill = entry.skill
missing = missing_map.get(skill.name, {})
missing_parts = []
for key, values in missing.items():
missing_parts.append(f"{key}: {', '.join(values)}")
missing_str = "; ".join(missing_parts) if missing_parts else "unknown"
setup_hint = _extract_setup_hint(skill)
lines.append(" <skill>")
lines.append(f" <name>{_escape_xml(skill.name)}</name>")
lines.append(f" <description>{_escape_xml(skill.description)}</description>")
lines.append(f" <missing>{_escape_xml(missing_str)}</missing>")
if setup_hint:
lines.append(f" <setup>{_escape_xml(setup_hint)}</setup>")
lines.append(" </skill>")
lines.append("</unavailable_skills>")
return "\n".join(lines)
def _extract_setup_hint(skill: Skill) -> str:
"""
Extract the Setup section from SKILL.md content as a brief hint.
Returns the first few lines of the ## Setup section.
"""
content = skill.content
if not content:
return ""
import re
match = re.search(r'^##\s+Setup\s*\n(.*?)(?=\n##\s|\Z)', content, re.MULTILINE | re.DOTALL)
if not match:
return ""
setup_text = match.group(1).strip()
lines = setup_text.split('\n')
hint_lines = [l.strip() for l in lines[:6] if l.strip()]
return ' '.join(hint_lines)[:300]
def _escape_xml(text: str) -> str:
"""Escape XML special characters."""
return (text
.replace('&', '&amp;')
.replace('<', '&lt;')
.replace('>', '&gt;')
.replace('"', '&quot;')
.replace("'", '&apos;'))