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from itertools import chain |
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from transformers import GitProcessor |
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class GIAProcessor(GitProcessor): |
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def __init__(self, image_processor, tokenizer): |
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super().__init__(image_processor, tokenizer) |
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def _cut_text(self, examples, max_input_size): |
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results = { |
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"input_ids": [], |
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"attention_mask": [] |
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} |
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for i in range(len(examples["input_ids"])): |
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_input_size = len(examples["input_ids"][i]) |
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for j in range(max(1, _input_size // max_input_size)): |
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results["input_ids"].append(examples["input_ids"][i][j*max_input_size:(j + 1) * max_input_size]) |
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results["attention_mask"].append(examples["attention_mask"][i][j * max_input_size:(j + 1) * max_input_size]) |
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return results |
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def __call__(self, examples, max_input_size, return_tensors=None, **kwargs): |
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if "text" in examples and not "images" in examples: |
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encoded_text = self.tokenizer(examples["text"], return_tensors=return_tensors, max_length=max_input_size, |
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truncation=False, padding="max_length") |
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encoding = self._cut_text(encoded_text, max_input_size) |
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elif "text" in examples and "images" in examples: |
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encoding = super().__call__(examples["text"], examples["images"], return_tensors, **kwargs) |
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return encoding |
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def batch_decode(self, *args, **kwargs): |
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return self.tokenizer.batch_decode(*args, **kwargs) |
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def decode(self, *args, **kwargs): |
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return self.tokenizer.decode(*args, **kwargs) |
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@property |
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def model_input_names(self): |
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return ["input_ids", "attention_mask", "pixel_values"] |
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GIAProcessor.register_for_auto_class("AutoProcessor") |
