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[Fix] fix infer.py _init_collate incompatibility problem #1360

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[Fix] fix infer.py _init_collate incompatibility problem #1360

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17 changes: 16 additions & 1 deletion mmengine/infer/infer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -529,7 +529,22 @@ def preprocess(self, inputs, batch_size, **kwargs):
"""
try:
with FUNCTIONS.switch_scope_and_registry(self.scope) as registry:
collate_fn = registry.get(cfg.test_dataloader.collate_fn)
collate_fn_cfg = cfg.test_dataloader.collate_fn
if isinstance(collate_fn_cfg, dict):
collate_fn_type = collate_fn_cfg.pop('type')
if isinstance(collate_fn_type, str):
collate_fn = registry.get(collate_fn_type)
else:
collate_fn = collate_fn_type
from functools import partial
collate_fn = partial(collate_fn,
**collate_fn_cfg) # type: ignore
elif callable(collate_fn_cfg):
collate_fn = collate_fn_cfg
else:
raise TypeError(
'collate_fn should be a dict or callable object, '
f'but got {collate_fn_cfg}')
Comment on lines +532 to +547
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We can move the changes here to build_collate_fn, and at the same time, the logic in build_dataloader can replace with this function.

except AttributeError:
collate_fn = pseudo_collate
return collate_fn # type: ignore
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