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Fix doctest for Blip2ForConditionalGeneration (#26737)

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---------

Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>
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Yih-Dar 2023-10-12 10:01:07 +02:00 committed by GitHub
parent e1cec43415
commit 3bc65505fc
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2 changed files with 24 additions and 56 deletions
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79
src/transformers/models/blip_2/modeling_blip_2.py
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@ -1272,14 +1272,10 @@ class Blip2Model(Blip2PreTrainedModel):
>>> import torch >>> import torch
>>> from transformers import AutoTokenizer, Blip2Model >>> from transformers import AutoTokenizer, Blip2Model
>>> device = "cuda" if torch.cuda.is_available() else "cpu" >>> model = Blip2Model.from_pretrained("Salesforce/blip2-opt-2.7b")
>>> model = Blip2Model.from_pretrained("Salesforce/blip2-opt-2.7b", torch_dtype=torch.float16)
>>> model.to(device) # doctest: +IGNORE_RESULT
>>> tokenizer = AutoTokenizer.from_pretrained("Salesforce/blip2-opt-2.7b") >>> tokenizer = AutoTokenizer.from_pretrained("Salesforce/blip2-opt-2.7b")
>>> inputs = tokenizer(["a photo of a cat", "a photo of a dog"], padding=True, return_tensors="pt").to(device) >>> inputs = tokenizer(["a photo of a cat"], padding=True, return_tensors="pt")
>>> text_features = model.get_text_features(**inputs) >>> text_features = model.get_text_features(**inputs)
```""" ```"""
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
@ -1333,16 +1329,12 @@ class Blip2Model(Blip2PreTrainedModel):
>>> import requests >>> import requests
>>> from transformers import AutoProcessor, Blip2Model >>> from transformers import AutoProcessor, Blip2Model
>>> device = "cuda" if torch.cuda.is_available() else "cpu" >>> model = Blip2Model.from_pretrained("Salesforce/blip2-opt-2.7b")
>>> model = Blip2Model.from_pretrained("Salesforce/blip2-opt-2.7b", torch_dtype=torch.float16)
>>> model.to(device) # doctest: +IGNORE_RESULT
>>> processor = AutoProcessor.from_pretrained("Salesforce/blip2-opt-2.7b") >>> processor = AutoProcessor.from_pretrained("Salesforce/blip2-opt-2.7b")
>>> url = "http://images.cocodataset.org/val2017/000000039769.jpg" >>> url = "http://images.cocodataset.org/val2017/000000039769.jpg"
>>> image = Image.open(requests.get(url, stream=True).raw) >>> image = Image.open(requests.get(url, stream=True).raw)
>>> inputs = processor(images=image, return_tensors="pt").to(device, torch.float16) >>> inputs = processor(images=image, return_tensors="pt")
>>> image_outputs = model.get_image_features(**inputs) >>> image_outputs = model.get_image_features(**inputs)
```""" ```"""
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
@ -1381,15 +1373,12 @@ class Blip2Model(Blip2PreTrainedModel):
>>> import requests >>> import requests
>>> from transformers import Blip2Processor, Blip2Model >>> from transformers import Blip2Processor, Blip2Model
>>> device = "cuda" if torch.cuda.is_available() else "cpu"
>>> processor = Blip2Processor.from_pretrained("Salesforce/blip2-opt-2.7b") >>> processor = Blip2Processor.from_pretrained("Salesforce/blip2-opt-2.7b")
>>> model = Blip2Model.from_pretrained("Salesforce/blip2-opt-2.7b", torch_dtype=torch.float16) >>> model = Blip2Model.from_pretrained("Salesforce/blip2-opt-2.7b")
>>> model.to(device) # doctest: +IGNORE_RESULT
>>> url = "http://images.cocodataset.org/val2017/000000039769.jpg" >>> url = "http://images.cocodataset.org/val2017/000000039769.jpg"
>>> image = Image.open(requests.get(url, stream=True).raw) >>> image = Image.open(requests.get(url, stream=True).raw)
>>> inputs = processor(images=image, return_tensors="pt").to(device, torch.float16) >>> inputs = processor(images=image, return_tensors="pt")
>>> qformer_outputs = model.get_qformer_features(**inputs) >>> qformer_outputs = model.get_qformer_features(**inputs)
```""" ```"""
output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions output_attentions = output_attentions if output_attentions is not None else self.config.output_attentions
@ -1654,34 +1643,7 @@ class Blip2ForConditionalGeneration(Blip2PreTrainedModel):
Examples: Examples:
Image captioning (without providing a text prompt): Prepare processor, model and image input
```python
>>> from PIL import Image
>>> import requests
>>> from transformers import Blip2Processor, Blip2ForConditionalGeneration
>>> import torch
>>> device = "cuda" if torch.cuda.is_available() else "cpu"
>>> processor = Blip2Processor.from_pretrained("Salesforce/blip2-opt-2.7b")
>>> model = Blip2ForConditionalGeneration.from_pretrained(
... "Salesforce/blip2-opt-2.7b", torch_dtype=torch.float16
... )
>>> model.to(device) # doctest: +IGNORE_RESULT
>>> url = "http://images.cocodataset.org/val2017/000000039769.jpg"
>>> image = Image.open(requests.get(url, stream=True).raw)
>>> inputs = processor(images=image, return_tensors="pt").to(device, torch.float16)
>>> generated_ids = model.generate(**inputs)
>>> generated_text = processor.batch_decode(generated_ids, skip_special_tokens=True)[0].strip()
>>> print(generated_text)
two cats laying on a couch
```
Visual question answering (prompt = question):
```python ```python
>>> from PIL import Image >>> from PIL import Image
@ -1698,7 +1660,22 @@ class Blip2ForConditionalGeneration(Blip2PreTrainedModel):
>>> url = "http://images.cocodataset.org/val2017/000000039769.jpg" >>> url = "http://images.cocodataset.org/val2017/000000039769.jpg"
>>> image = Image.open(requests.get(url, stream=True).raw) >>> image = Image.open(requests.get(url, stream=True).raw)
```
Image captioning (without providing a text prompt):
```python
>>> inputs = processor(images=image, return_tensors="pt").to(device, torch.float16)
>>> generated_ids = model.generate(**inputs)
>>> generated_text = processor.batch_decode(generated_ids, skip_special_tokens=True)[0].strip()
>>> print(generated_text)
two cats laying on a couch
```
Visual question answering (prompt = question):
```python
>>> prompt = "Question: how many cats are there? Answer:" >>> prompt = "Question: how many cats are there? Answer:"
>>> inputs = processor(images=image, text=prompt, return_tensors="pt").to(device="cuda", dtype=torch.float16) >>> inputs = processor(images=image, text=prompt, return_tensors="pt").to(device="cuda", dtype=torch.float16)
@ -1712,20 +1689,10 @@ class Blip2ForConditionalGeneration(Blip2PreTrainedModel):
This greatly reduces the amount of memory used by the model while maintaining the same performance. This greatly reduces the amount of memory used by the model while maintaining the same performance.
```python ```python
>>> from PIL import Image
>>> import requests
>>> from transformers import Blip2Processor, Blip2ForConditionalGeneration
>>> import torch
>>> processor = Blip2Processor.from_pretrained("Salesforce/blip2-flan-t5-xl")
>>> model = Blip2ForConditionalGeneration.from_pretrained( >>> model = Blip2ForConditionalGeneration.from_pretrained(
... "Salesforce/blip2-flan-t5-xl", load_in_8bit=True, device_map={"": 0}, torch_dtype=torch.bfloat16 ... "Salesforce/blip2-opt-2.7b", load_in_8bit=True, device_map={"": 0}, torch_dtype=torch.bfloat16
... ) # doctest: +IGNORE_RESULT ... ) # doctest: +IGNORE_RESULT
>>> url = "http://images.cocodataset.org/val2017/000000039769.jpg"
>>> image = Image.open(requests.get(url, stream=True).raw)
>>> prompt = "Question: how many cats are there? Answer:"
>>> inputs = processor(images=image, text=prompt, return_tensors="pt").to(device="cuda", dtype=torch.bfloat16) >>> inputs = processor(images=image, text=prompt, return_tensors="pt").to(device="cuda", dtype=torch.bfloat16)
>>> generated_ids = model.generate(**inputs) >>> generated_ids = model.generate(**inputs)

1
utils/slow_documentation_tests.txt
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@ -1,4 +1,5 @@
docs/source/en/generation_strategies.md docs/source/en/generation_strategies.md
docs/source/en/model_doc/ctrl.md docs/source/en/model_doc/ctrl.md
docs/source/en/task_summary.md docs/source/en/task_summary.md
src/transformers/models/blip_2/modeling_blip_2.py
src/transformers/models/ctrl/modeling_ctrl.py src/transformers/models/ctrl/modeling_ctrl.py