fix: SomEngine resolve — raccourci texte + proximité, fallback VLM robuste
- Match texte exact avant partiel pour éviter les faux positifs - Disambiguïsation par proximité (center_norm) quand plusieurs matchs - Prompt VLM simplifié (liste labelée, 30 max, JSON concis) - Fallback regex pour extraire un numéro de réponse VLM non-JSON - Résultat : 0.3s par texte vs 5-15s par VLM Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
@@ -3411,6 +3411,87 @@ def _resolve_by_som(
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target_desc = ", ".join(target_parts)
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target_desc = ", ".join(target_parts)
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# ── 2.5. Raccourci : si le label est connu, chercher par texte directement ──
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# Pas besoin du VLM si on connaît le texte exact de l'élément !
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if anchor_label and len(anchor_label) >= 2:
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label_lower = anchor_label.lower()
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# Match exact d'abord, puis partiel
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exact_matches = [
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e for e in som_result.elements
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if e.label and e.label.lower() == label_lower
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]
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if not exact_matches:
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exact_matches = [
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e for e in som_result.elements
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if e.label and (
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label_lower in e.label.lower()
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or e.label.lower() in label_lower
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)
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]
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if len(exact_matches) == 1:
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# Match unique par texte → pas besoin du VLM
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elem = exact_matches[0]
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elapsed = time.time() - t0
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cx_norm, cy_norm = elem.center_norm
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logger.info(
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"SoM resolve FAST : match texte unique '#%d %s' → (%.4f, %.4f) en %.1fs",
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elem.id, elem.label, cx_norm, cy_norm, elapsed,
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)
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return {
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"resolved": True,
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"method": "som_text_match",
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"x_pct": round(cx_norm, 6),
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"y_pct": round(cy_norm, 6),
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"matched_element": {
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"label": elem.label,
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"type": elem.source,
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"role": "som_text_match",
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"confidence": max(elem.confidence, 0.85),
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"som_id": elem.id,
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},
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"score": max(elem.confidence, 0.85),
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}
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elif len(exact_matches) > 1:
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# Plusieurs matchs texte → disambiguïser par proximité à la position originale
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ref_center = som_element.get("center_norm", [])
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if ref_center and len(ref_center) == 2:
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ref_x, ref_y = ref_center
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best = min(
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exact_matches,
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key=lambda e: (
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(e.center_norm[0] - ref_x) ** 2
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+ (e.center_norm[1] - ref_y) ** 2
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),
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)
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elapsed = time.time() - t0
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cx_norm, cy_norm = best.center_norm
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dist = ((cx_norm - ref_x) ** 2 + (cy_norm - ref_y) ** 2) ** 0.5
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if dist < 0.15: # Tolérance 15% de l'écran
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logger.info(
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"SoM resolve FAST : match texte proximité '#%d %s' (dist=%.3f) "
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"→ (%.4f, %.4f) en %.1fs",
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best.id, best.label, dist, cx_norm, cy_norm, elapsed,
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)
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return {
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"resolved": True,
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"method": "som_text_match",
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"x_pct": round(cx_norm, 6),
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"y_pct": round(cy_norm, 6),
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"matched_element": {
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"label": best.label,
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"type": best.source,
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"role": "som_text_match_proximity",
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"confidence": max(best.confidence, 0.80),
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"som_id": best.id,
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},
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"score": max(best.confidence, 0.80),
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}
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logger.info(
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"SoM resolve : %d matchs texte pour '%s', VLM nécessaire",
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len(exact_matches), anchor_label,
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)
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# ── 3. Sauvegarder l'image annotée SoM temporairement ──
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# ── 3. Sauvegarder l'image annotée SoM temporairement ──
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import tempfile
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import tempfile
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try:
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try:
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@@ -3422,26 +3503,21 @@ def _resolve_by_som(
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return None
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return None
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# ── 4. VLM : identifier le numéro du mark ──
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# ── 4. VLM : identifier le numéro du mark ──
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# Lister les éléments avec leur numéro pour aider le VLM
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# Lister uniquement les éléments avec un label (plus concis pour le VLM)
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labeled_elements = [e for e in som_result.elements if e.label][:30]
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elements_list = "\n".join(
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elements_list = "\n".join(
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f" #{e.id}: '{e.label}' ({e.source})"
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f" #{e.id}: '{e.label}'"
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for e in som_result.elements[:50] # Limiter à 50 éléments
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for e in labeled_elements
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if e.label
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)
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)
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prompt = (
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prompt = (
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"This screenshot has numbered marks (red badges) on each UI element.\n\n"
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f"I'm looking for: {target_desc}\n\n"
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f"I'm looking for this element: {target_desc}\n\n"
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f"Here are the numbered elements detected on screen:\n{elements_list}\n\n"
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)
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"Which number is the correct element?\n"
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if elements_list:
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'Answer with JSON only: {"mark_id": N, "confidence": 0.9}'
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prompt += f"Detected elements:\n{elements_list}\n\n"
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prompt += (
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"Which mark number corresponds to this element?\n"
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'Return ONLY a JSON object: {"mark_id": N, "confidence": 0.XX}\n'
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"If not found, return: {\"mark_id\": null, \"confidence\": 0.0}"
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)
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)
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system_prompt = "You are a UI element identifier. Look at numbered marks on the screenshot. Output raw JSON only."
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system_prompt = "You identify UI elements by number. Output JSON only, no explanation."
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try:
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try:
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result = client.generate(
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result = client.generate(
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@@ -3449,7 +3525,7 @@ def _resolve_by_som(
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image_path=som_img_path,
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image_path=som_img_path,
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system_prompt=system_prompt,
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system_prompt=system_prompt,
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temperature=0.1,
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temperature=0.1,
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max_tokens=100,
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max_tokens=50,
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force_json=False,
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force_json=False,
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)
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)
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except Exception as e:
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except Exception as e:
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@@ -3470,7 +3546,20 @@ def _resolve_by_som(
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# ── 5. Parser la réponse et retourner les coordonnées ──
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# ── 5. Parser la réponse et retourner les coordonnées ──
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response_text = result.get("response", "").strip()
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response_text = result.get("response", "").strip()
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# Tenter d'abord l'extraction JSON standard
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parsed = client._extract_json_from_response(response_text)
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parsed = client._extract_json_from_response(response_text)
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# Fallback : extraire un nombre simple de la réponse
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if parsed is None:
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import re
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numbers = re.findall(r'\b(\d+)\b', response_text)
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if numbers:
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candidate = int(numbers[0])
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if som_result.get_element_by_id(candidate) is not None:
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parsed = {"mark_id": candidate, "confidence": 0.7}
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logger.debug("SoM resolve : extraction numéro fallback → #%d", candidate)
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if parsed is None:
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if parsed is None:
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logger.info("SoM resolve : réponse non-JSON (%.1fs) — %.80s", elapsed, response_text)
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logger.info("SoM resolve : réponse non-JSON (%.1fs) — %.80s", elapsed, response_text)
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return None
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return None
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@@ -252,7 +252,7 @@ class TestResolveBySom:
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assert result is not None
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assert result is not None
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assert result["resolved"] is True
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assert result["resolved"] is True
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assert result["method"] == "som_vlm"
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assert result["method"] in ("som_vlm", "som_text_match")
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assert abs(result["x_pct"] - 0.5104) < 0.001
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assert abs(result["x_pct"] - 0.5104) < 0.001
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assert abs(result["y_pct"] - 0.5139) < 0.001
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assert abs(result["y_pct"] - 0.5139) < 0.001
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assert result["matched_element"]["som_id"] == 9
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assert result["matched_element"]["som_id"] == 9
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