aides pour la montee de transformers

aides/_verif_cfg.py

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+# Le modele est-il enfin reconnu ? Sort non nul si non, ce qui declenche
+# le revert cote script appelant.
+import glob
+import sys
+import warnings
+
+warnings.filterwarnings("ignore")
+
+MOTIF = ("/root/.cache/huggingface/hub/"
+         "models--RadixArk--Qwen3.8-Flash-Next-NVFP4/snapshots/*")
+snaps = sorted(glob.glob(MOTIF))
+if not snaps:
+    print("   snapshot introuvable")
+    sys.exit(7)
+snap = snaps[-1]
+
+try:
+    import transformers.models.qwen4_exp  # noqa: F401
+    print("   module qwen4_exp : PRESENT")
+except Exception as e:
+    print("   module qwen4_exp : ABSENT ->", repr(e)[:140])
+    sys.exit(7)
+
+from transformers import AutoConfig, AutoProcessor
+
+try:
+    cfg = AutoConfig.from_pretrained(snap, trust_remote_code=True)
+except Exception as e:
+    print("   AutoConfig echoue ->", repr(e)[:200])
+    sys.exit(7)
+
+texte = getattr(cfg, "text_config", cfg)
+rope = getattr(texte, "rope_parameters", None)
+section = None
+if isinstance(rope, dict):
+    section = rope.get("mrope_section")
+else:
+    section = getattr(rope, "mrope_section", None)
+
+print("   config class     :", type(cfg).__name__, "/", type(texte).__name__)
+print("   rope_parameters  :", rope)
+print("   mrope_section    :", section)
+
+try:
+    proc = AutoProcessor.from_pretrained(snap, trust_remote_code=True)
+    ip = getattr(proc, "image_processor", None)
+    print("   processeur       :", type(proc).__name__)
+    print("   image_processor  :", type(ip).__name__ if ip is not None else "?")
+except Exception as e:
+    print("   AutoProcessor echoue ->", repr(e)[:200])
+    sys.exit(7)
+
+# Le mRoPE est la seule chose qui donne une geometrie aux patchs d'image.
+# S'il manque encore, l'operation n'a servi a rien : autant revenir en arriere
+# plutot que de redemarrer le moteur pour le meme resultat.
+if not section:
+    print("   !!! mrope_section toujours absent")
+    sys.exit(7)
+print("   -> reconnaissance OK")