600 lines
21 KiB
Python
600 lines
21 KiB
Python
import asyncio
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import json
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import re
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import shutil
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import subprocess
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import tempfile
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import uuid
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from datetime import datetime, timezone
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from pathlib import Path
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from config import (
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AGENT_TIMEOUT,
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CLAUDE_CLI,
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TEMPLATES_DIR,
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MAX_CONCURRENT_GENERATIONS,
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MODEL_GUIDE,
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MODEL_BAUSTEIN_GEN,
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MODEL_BAUSTEIN_REWORK,
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STORAGE_DIR,
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)
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from database import (
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update_guide,
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create_baustein,
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create_suggestions,
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delete_pending_suggestions,
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list_bausteine,
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update_baustein,
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update_baustein_sort_orders,
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)
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from paths import final_paths, temp_paths
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_semaphore = asyncio.Semaphore(MAX_CONCURRENT_GENERATIONS)
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_active_processes: dict[str, asyncio.subprocess.Process] = {}
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_cancelled: set[str] = set()
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async def cancel_guide(guide_id: str) -> bool:
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_cancelled.add(guide_id)
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process = _active_processes.get(guide_id)
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if process and process.returncode is None:
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process.kill()
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(guide_id, status="error", progress=None, error_msg="Abgebrochen", updated_at=now)
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return True
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async def _set_progress(guide_id: str, progress: str) -> None:
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(guide_id, progress=progress, updated_at=now)
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async def _run_claude(guide_id: str, prompt: str, timeout: int, tools: str | None = "Write,Bash,Read,WebSearch,WebFetch", model: str | None = None) -> tuple[int, str, str]:
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cmd = [CLAUDE_CLI, "-p"]
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if model:
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cmd += ["--model", model]
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if tools:
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cmd += ["--allowedTools", tools]
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cmd += ["--dangerously-skip-permissions"]
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process = await asyncio.create_subprocess_exec(
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*cmd,
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stdin=asyncio.subprocess.PIPE,
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE,
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)
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_active_processes[guide_id] = process
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try:
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try:
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stdout, stderr = await asyncio.wait_for(
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process.communicate(input=prompt.encode("utf-8")),
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timeout=timeout,
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)
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except asyncio.TimeoutError:
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process.kill()
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try:
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await asyncio.wait_for(process.wait(), timeout=5)
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except asyncio.TimeoutError:
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pass
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raise
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return process.returncode, stdout.decode("utf-8", errors="replace"), stderr.decode("utf-8", errors="replace")
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finally:
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_active_processes.pop(guide_id, None)
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async def _render_pdf(html_path: Path, pdf_path: Path) -> tuple[bool, str]:
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proc = await asyncio.create_subprocess_exec(
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"weasyprint", str(html_path), str(pdf_path),
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stdout=asyncio.subprocess.PIPE,
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stderr=asyncio.subprocess.PIPE,
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)
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_, stderr = await asyncio.wait_for(proc.communicate(), timeout=120)
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if proc.returncode != 0:
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return False, stderr.decode("utf-8", errors="replace")[:1000]
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return True, ""
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def _build_generator_prompt(topic: str, format_name: str, html_path: Path, instructions: str = "") -> str:
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spec = (TEMPLATES_DIR / "Format" / f"{format_name}.md").read_text(encoding="utf-8")
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reference = (TEMPLATES_DIR / "Referenz" / f"{format_name}.md").read_text(encoding="utf-8")
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extra = f"\n\nZUSÄTZLICHE ANWEISUNGEN VOM NUTZER:\n{instructions}\n" if instructions else ""
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return f"""Erstelle einen Lern-Guide zum Thema "{topic}" im Format "{format_name}".
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Recherchiere zuerst die aktuelle Version und aktuelle Fakten zu "{topic}" per Websuche, damit Versionsnummern und Angaben stimmen.
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Schreibe die HTML-Datei nach: {html_path}
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Schreibe NUR die HTML-Datei. Führe KEIN weasyprint aus, erzeuge KEINE PDF. Das übernimmt ein anderer Prozess.
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FORMAT-SPEZIFIKATION:
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{spec}
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REFERENZ-IMPLEMENTIERUNG (Stil-Vorlage, adaptiere für "{topic}"):
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{reference}
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{extra}"""
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def _build_rework_prompt(topic: str, format_name: str, html_path: Path, instructions: str) -> str:
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spec = (TEMPLATES_DIR / "Format" / f"{format_name}.md").read_text(encoding="utf-8")
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return f"""Überarbeite die bestehende HTML-Datei {html_path} für den "{format_name}" zum Thema "{topic}".
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Lies zuerst die aktuelle HTML-Datei mit dem Read-Tool.
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ANWEISUNGEN VOM NUTZER:
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{instructions}
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FORMAT-SPEZIFIKATION (muss weiterhin eingehalten werden):
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{spec}
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Schreibe die überarbeitete Version in dieselbe Datei: {html_path}
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Führe KEIN weasyprint aus, erzeuge KEINE PDF.
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"""
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def _build_fix_prompt(topic: str, format_name: str, html_path: Path, feedback: str) -> str:
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return f"""Die HTML-Datei {html_path} für den "{format_name}" zum Thema "{topic}" hat Probleme.
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FEEDBACK VOM PRÜFER:
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{feedback}
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Behebe die Probleme in der HTML-Datei {html_path}. Schreibe die korrigierte Version in dieselbe Datei.
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Führe KEIN weasyprint aus, erzeuge KEINE PDF.
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"""
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def _build_content_review_prompt(topic: str, format_name: str, html_path: Path) -> str:
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spec = (TEMPLATES_DIR / "Format" / f"{format_name}.md").read_text(encoding="utf-8")
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return f"""Prüfe den Inhalt der HTML-Datei {html_path} für den "{format_name}" zum Thema "{topic}".
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SCHRITT 1 — HTML-Datei lesen:
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Öffne die Datei {html_path} mit dem Read-Tool.
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SCHRITT 2 — Fakten per Websuche prüfen:
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Recherchiere mit WebSearch, ob Versionsnummern, Jahreszahlen und zentrale Fakten zu "{topic}" aktuell und korrekt sind.
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SCHRITT 3 — Vollständigkeit prüfen anhand dieser Spezifikation:
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{spec}
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Prüfkriterien:
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- Sind alle Pflicht-Kapitel/Sektionen vorhanden?
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- Stimmen Versionsnummern und Fakten?
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- Ist der Inhalt fachlich korrekt und aktuell?
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- Entspricht der Schwierigkeitsgrad dem Format?
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- Sind Pflicht-Elemente vorhanden (Cover, TOC, Recall-Boxen, Callouts, Code-Beispiele)?
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SCHRITT 4 — Antworte mit GENAU EINEM der folgenden Formate:
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Bei Bestehen:
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PASS
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Bei Nicht-Bestehen:
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FAIL
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- Problem 1
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- Problem 2
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- ...
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"""
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async def generate_guide(guide_id: str, topic: str, format_name: str, instructions: str = "") -> None:
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async with _semaphore:
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(guide_id, status="generating", progress="Recherche…", updated_at=now)
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html_path, pdf_path = final_paths(topic, format_name)
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try:
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if guide_id in _cancelled:
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return
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current_step = "Generierung"
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current_timeout = AGENT_TIMEOUT
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# Step 1: Generator-Agent erstellt HTML
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await _set_progress(guide_id, "Generiere HTML…")
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gen_prompt = _build_generator_prompt(topic, format_name, html_path, instructions)
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returncode, stdout, stderr = await _run_claude(guide_id, gen_prompt, AGENT_TIMEOUT, model=MODEL_GUIDE)
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if guide_id in _cancelled:
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return
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if returncode != 0:
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await _fail(guide_id, _claude_error("Generator-Fehler", returncode, stdout, stderr))
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return
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if not html_path.exists():
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await _fail(guide_id, "HTML-Datei wurde nicht erstellt")
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return
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# Step 2: Inhalts-Review (1x, kein Loop)
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if guide_id in _cancelled:
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return
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await _set_progress(guide_id, "Prüfe Inhalt…")
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current_step = "Inhalts-Review"
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current_timeout = AGENT_TIMEOUT
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content_prompt = _build_content_review_prompt(topic, format_name, html_path)
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returncode, review_out, review_err = await _run_claude(guide_id, content_prompt, AGENT_TIMEOUT, model=MODEL_GUIDE)
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if returncode != 0:
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await _fail(guide_id, _claude_error("Inhalts-Review-Fehler", returncode, review_out, review_err))
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return
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review_text = review_out.strip()
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if not review_text.startswith("PASS"):
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if guide_id in _cancelled:
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return
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feedback = review_text.replace("FAIL", "").strip()
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await _set_progress(guide_id, "Korrigiere Inhalt…")
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current_step = "Inhalts-Korrektur"
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current_timeout = AGENT_TIMEOUT
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fix_prompt = _build_fix_prompt(topic, format_name, html_path, feedback)
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returncode, fix_out, fix_err = await _run_claude(guide_id, fix_prompt, AGENT_TIMEOUT, model=MODEL_GUIDE)
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if returncode != 0:
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await _fail(guide_id, _claude_error("Fix-Fehler", returncode, fix_out, fix_err))
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return
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# Step 3: PDF rendern
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if guide_id in _cancelled:
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return
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await _set_progress(guide_id, "Rendere PDF…")
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ok, err = await _render_pdf(html_path, pdf_path)
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if not ok:
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await _fail(guide_id, f"WeasyPrint-Fehler: {err}")
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return
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(
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guide_id, status="done", progress=None, updated_at=now,
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)
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except asyncio.TimeoutError:
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await _fail(guide_id, f"Timeout bei {current_step} nach {current_timeout}s")
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except Exception as e:
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await _fail(guide_id, str(e)[:2000])
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finally:
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_active_processes.pop(guide_id, None)
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_cancelled.discard(guide_id)
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async def rework_guide(guide_id: str, topic: str, format_name: str, instructions: str) -> None:
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async with _semaphore:
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(guide_id, status="generating", progress="Überarbeite…", updated_at=now)
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final_html, final_pdf = final_paths(topic, format_name)
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tmp_html, tmp_pdf = temp_paths(guide_id)
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try:
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if guide_id in _cancelled:
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return
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if not final_html.exists():
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await _fail(guide_id, "Original-HTML nicht gefunden")
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return
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shutil.copy2(final_html, tmp_html)
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current_step = "Überarbeitung"
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current_timeout = AGENT_TIMEOUT
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rework_prompt = _build_rework_prompt(topic, format_name, tmp_html, instructions)
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returncode, stdout, stderr = await _run_claude(guide_id, rework_prompt, AGENT_TIMEOUT, model=MODEL_GUIDE)
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if guide_id in _cancelled:
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return
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if returncode != 0:
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await _fail(guide_id, _claude_error("Rework-Fehler", returncode, stdout, stderr))
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return
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if not tmp_html.exists():
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await _fail(guide_id, "HTML-Datei wurde nicht erstellt")
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return
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await _set_progress(guide_id, "Rendere PDF…")
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ok, err = await _render_pdf(tmp_html, tmp_pdf)
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if not ok:
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await _fail(guide_id, f"WeasyPrint-Fehler: {err}")
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return
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# Atomar: Temp → Final umbenennen
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tmp_html.replace(final_html)
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tmp_pdf.replace(final_pdf)
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(
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guide_id, status="done", progress=None, updated_at=now,
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)
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except asyncio.TimeoutError:
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await _fail(guide_id, f"Timeout bei {current_step} nach {current_timeout}s")
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except Exception as e:
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await _fail(guide_id, str(e)[:2000])
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finally:
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_active_processes.pop(guide_id, None)
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_cancelled.discard(guide_id)
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tmp_html.unlink(missing_ok=True)
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tmp_pdf.unlink(missing_ok=True)
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def _claude_error(label: str, returncode: int, stdout: str, stderr: str) -> str:
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stderr = (stderr or "").strip()
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if stderr:
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return f"{label}: {stderr[:1000]}"
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tail = (stdout or "").strip()[-500:]
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if tail:
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return f"{label} (exit {returncode}, stderr leer): …{tail}"
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return f"{label} (exit {returncode}, ohne Ausgabe)"
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async def _fail(guide_id: str, msg: str) -> None:
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now = datetime.now(timezone.utc).isoformat()
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await update_guide(guide_id, status="error", progress=None, error_msg=msg, updated_at=now)
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# --- Bausteine ---
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_suggestions_generating: set[str] = set()
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_sorting: set[str] = set()
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def is_suggestions_generating(topic: str) -> bool:
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return topic in _suggestions_generating
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def is_sorting(topic: str) -> bool:
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return topic in _sorting
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def _parse_json(text: str):
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text = text.strip()
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text = re.sub(r"^```(?:json)?\s*", "", text)
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text = re.sub(r"\s*```$", "", text)
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return json.loads(text)
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def _build_suggestions_prompt(topic: str, html_paths: list[Path], existing_titles: list[str]) -> str:
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spec = (TEMPLATES_DIR / "Format" / "Baustein.md").read_text(encoding="utf-8")
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reference = (TEMPLATES_DIR / "Referenz" / "Baustein.md").read_text(encoding="utf-8")
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existing_list = "\n".join(f"- {t}" for t in existing_titles) if existing_titles else "(keine)"
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if html_paths:
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read_instructions = "\n".join(f"- Lies: {p}" for p in html_paths)
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guides_section = f"""SCHRITT 1 — Guides lesen:
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{read_instructions}
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"""
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else:
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guides_section = ""
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return f"""Schlage fundamentale Bausteine (Kernkonzepte) zum Thema "{topic}" vor.
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{guides_section}Bereits vorhandene Bausteine (NICHT erneut vorschlagen):
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{existing_list}
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FORMAT-SPEZIFIKATION:
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{spec}
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REFERENZ-BEISPIEL:
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{reference}
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Schlage 40 Bausteine vor. Antworte AUSSCHLIESSLICH mit einem JSON-Array. Jedes Element hat:
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- "title"
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- "description"
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- "purpose"
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- "examples": Array mit 1 Objekt {{"label": "...", "code": "..."}}
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Orientiere dich an der Spezifikation und Referenz. NUR das JSON-Array, kein weiterer Text.
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"""
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def _build_baustein_detail_prompt(topic: str, title: str, instructions: str = "") -> str:
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spec = (TEMPLATES_DIR / "Format" / "Baustein.md").read_text(encoding="utf-8")
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reference = (TEMPLATES_DIR / "Referenz" / "Baustein.md").read_text(encoding="utf-8")
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extra = f"\n\nZUSÄTZLICHE INFOS VOM NUTZER:\n{instructions}\n" if instructions else ""
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return f"""Generiere Details für den Baustein "{title}" im Kontext des Themas "{topic}".
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FORMAT-SPEZIFIKATION:
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{spec}
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REFERENZ-BEISPIEL:
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{reference}
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{extra}
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Antworte AUSSCHLIESSLICH mit einem JSON-Objekt mit den Feldern "description", "purpose", "examples".
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"examples" ist ein Array mit 1 Objekt {{"label": "...", "code": "..."}}.
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Orientiere dich an der Spezifikation und Referenz. Kein weiterer Text, nur das JSON.
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"""
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async def generate_suggestions(topic: str, html_paths: list[Path]) -> None:
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_suggestions_generating.add(topic)
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try:
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existing = await list_bausteine(topic)
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existing_titles = [b["title"] for b in existing]
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await delete_pending_suggestions(topic)
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prompt = _build_suggestions_prompt(topic, html_paths, existing_titles)
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tools = "Read" if html_paths else None
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returncode, stdout, stderr = await _run_claude("suggestions-" + topic, prompt, 1800, tools=tools, model=MODEL_BAUSTEIN_GEN)
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if returncode != 0:
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return
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items = _parse_json(stdout)
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if not isinstance(items, list):
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return
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now = datetime.now(timezone.utc).isoformat()
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suggestions = []
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for item in items[:40]:
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suggestions.append({
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"id": str(uuid.uuid4()),
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"topic": topic,
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"title": item.get("title", ""),
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"description": item.get("description", ""),
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"purpose": item.get("purpose", ""),
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"example": json.dumps(item.get("examples", []), ensure_ascii=False),
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"status": "pending",
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"created_at": now,
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})
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if suggestions:
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await create_suggestions(suggestions)
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except Exception:
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pass
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finally:
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_suggestions_generating.discard(topic)
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async def generate_baustein_detail(baustein_id: str, topic: str, title: str, instructions: str = "") -> None:
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try:
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prompt = _build_baustein_detail_prompt(topic, title, instructions)
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returncode, stdout, stderr = await _run_claude("baustein-" + baustein_id, prompt, 60, tools=None, model=MODEL_BAUSTEIN_GEN)
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if returncode != 0:
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return
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data = _parse_json(stdout)
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if not isinstance(data, dict):
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return
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now = datetime.now(timezone.utc).isoformat()
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await update_baustein(
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baustein_id,
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|
description=data.get("description", ""),
|
|
purpose=data.get("purpose", ""),
|
|
example=json.dumps(data.get("examples", []), ensure_ascii=False),
|
|
updated_at=now,
|
|
)
|
|
except Exception:
|
|
pass
|
|
|
|
|
|
async def rework_baustein(baustein_id: str, topic: str, title: str, current: dict, instructions: str) -> None:
|
|
try:
|
|
prompt = _build_baustein_rework_prompt(topic, title, current, instructions)
|
|
returncode, stdout, stderr = await _run_claude("baustein-" + baustein_id, prompt, 60, tools=None, model=MODEL_BAUSTEIN_REWORK)
|
|
|
|
if returncode != 0:
|
|
return
|
|
|
|
data = _parse_json(stdout)
|
|
if not isinstance(data, dict):
|
|
return
|
|
|
|
now = datetime.now(timezone.utc).isoformat()
|
|
await update_baustein(
|
|
baustein_id,
|
|
title=data.get("title", title),
|
|
description=data.get("description", ""),
|
|
purpose=data.get("purpose", ""),
|
|
example=json.dumps(data.get("examples", []), ensure_ascii=False),
|
|
updated_at=now,
|
|
)
|
|
except Exception:
|
|
pass
|
|
|
|
|
|
def _build_baustein_rework_prompt(topic: str, title: str, current: dict, instructions: str) -> str:
|
|
spec = (TEMPLATES_DIR / "Format" / "Baustein.md").read_text(encoding="utf-8")
|
|
|
|
current_json = json.dumps({
|
|
"title": title,
|
|
"description": current.get("description", ""),
|
|
"purpose": current.get("purpose", ""),
|
|
"examples": current.get("examples", []),
|
|
}, ensure_ascii=False, indent=2)
|
|
|
|
return f"""Überarbeite den Baustein "{title}" zum Thema "{topic}" gemäß den Anweisungen.
|
|
|
|
AKTUELLER STAND:
|
|
{current_json}
|
|
|
|
ANWEISUNGEN VOM NUTZER:
|
|
{instructions}
|
|
|
|
FORMAT-SPEZIFIKATION:
|
|
{spec}
|
|
|
|
Antworte AUSSCHLIESSLICH mit einem JSON-Objekt mit den Feldern "title", "description", "purpose", "examples".
|
|
"examples" ist ein Array mit Objekten {{"label": "...", "code": "..."}}.
|
|
Orientiere dich an der Spezifikation. Kein weiterer Text, nur das JSON.
|
|
"""
|
|
|
|
|
|
|
|
|
|
def _build_sort_prompt(topic: str, bausteine: list[dict], instructions: str) -> str:
|
|
items = "\n".join(
|
|
f"- id={b['id']} | {b['title']} | {b['description']} | {b['purpose']}"
|
|
for b in bausteine
|
|
)
|
|
if instructions:
|
|
criterion = f"Sortiere die folgenden Bausteine zum Thema \"{topic}\" STRIKT nach diesem Kriterium:\n\n{instructions}"
|
|
else:
|
|
criterion = f"Sortiere die folgenden Bausteine zum Thema \"{topic}\" von Anfaenger zu Experte (erstes = einfachster, letztes = komplexester)."
|
|
|
|
return f"""{criterion}
|
|
|
|
BAUSTEINE:
|
|
{items}
|
|
|
|
Antworte AUSSCHLIESSLICH mit einem JSON-Array der IDs in der gewuenschten Reihenfolge.
|
|
Beispiel: [\"id1\", \"id2\", \"id3\"]
|
|
|
|
Kein weiterer Text, nur das JSON-Array.
|
|
"""
|
|
|
|
|
|
def _build_topic_suggest_prompt(problem: str, existing_topics: list[str]) -> str:
|
|
template = (TEMPLATES_DIR / "Format" / "Suche.md").read_text(encoding="utf-8")
|
|
existing = "\n".join(f"- {t}" for t in existing_topics) if existing_topics else "(keine)"
|
|
return template.replace("{problem}", problem).replace("{existing}", existing)
|
|
|
|
|
|
async def suggest_topics(problem: str, existing_topics: list[str] | None = None) -> list[dict]:
|
|
try:
|
|
prompt = _build_topic_suggest_prompt(problem, existing_topics or [])
|
|
returncode, stdout, stderr = await _run_claude(
|
|
"topic-suggest-" + str(uuid.uuid4()), prompt, 120, tools=None, model=MODEL_BAUSTEIN_GEN
|
|
)
|
|
if returncode != 0:
|
|
return []
|
|
items = _parse_json(stdout)
|
|
if not isinstance(items, list):
|
|
return []
|
|
result = []
|
|
for item in items:
|
|
if not isinstance(item, dict):
|
|
continue
|
|
title = str(item.get("title", "")).strip()[:100]
|
|
if not title:
|
|
continue
|
|
result.append({"title": title, "reason": str(item.get("reason", "")).strip()})
|
|
return result
|
|
except Exception:
|
|
return []
|
|
|
|
|
|
async def sort_bausteine(topic: str, bausteine: list[dict], instructions: str = "") -> None:
|
|
_sorting.add(topic)
|
|
try:
|
|
prompt = _build_sort_prompt(topic, bausteine, instructions)
|
|
returncode, stdout, stderr = await _run_claude("sort-" + topic, prompt, 300, tools=None, model=MODEL_BAUSTEIN_GEN)
|
|
if returncode != 0:
|
|
return
|
|
ids = _parse_json(stdout)
|
|
if not isinstance(ids, list):
|
|
return
|
|
order_map = {bid: i for i, bid in enumerate(ids) if isinstance(bid, str)}
|
|
if order_map:
|
|
await update_baustein_sort_orders(topic, order_map)
|
|
except Exception as e:
|
|
print(f"[sort] topic={topic} Exception: {type(e).__name__}: {e}")
|
|
finally:
|
|
_sorting.discard(topic)
|