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7e01f18 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | import os
from .clip_encoder import CLIPVisionTower, CLIPVisionTowerS2
def build_vision_tower(vision_tower_cfg, **kwargs):
vision_tower = getattr(vision_tower_cfg, "mm_vision_tower", getattr(vision_tower_cfg, "vision_tower", None))
is_absolute_path_exists = os.path.exists(vision_tower)
use_s2 = getattr(vision_tower_cfg, "s2", False)
if (
is_absolute_path_exists
or vision_tower.startswith("openai")
or vision_tower.startswith("laion")
or "ShareGPT4V" in vision_tower
):
if use_s2:
return CLIPVisionTowerS2(vision_tower, args=vision_tower_cfg, **kwargs)
else:
return CLIPVisionTower(vision_tower, args=vision_tower_cfg, **kwargs)
raise ValueError(f"Unknown vision tower: {vision_tower}")
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