Upload android_control/prepare_trajectory_grounding.py with huggingface_hub

android_control/prepare_trajectory_grounding.py

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+import json
+from copy import deepcopy
+import os
+from pathlib import Path
+from PIL import Image
+from tqdm import tqdm
+import multiprocessing
+
+def resize_image(image, scale=0.75):
+    """
+    Resize image to have its shorter edge equal to 720 pixels while maintaining aspect ratio.
+    
+    Args:
+    image: PIL Image object
+    
+    Returns:
+    Resized PIL Image
+    """
+    # Get current dimensions
+    width, height = image.size
+    
+    # Calculate new dimensions
+    new_width = int(width * scale)
+    new_height = int(height * scale)
+    
+    # Resize image
+    resized_image = image.resize((new_width, new_height), Image.LANCZOS)
+    return resized_image
+
+
+def merge_convs(conversations):
+    """
+    Merge all successive 'human' conversations comprehensively.
+    
+    Args:
+        conversations (list): List of conversation dictionaries
+    
+    Returns:
+        list: Processed conversations with all successive human messages merged
+    
+    Raises:
+        ValueError: If input is not a list or contains invalid conversation dictionaries
+    """
+    # Validate input
+    if not isinstance(conversations, list):
+        raise ValueError("Input must be a list of conversation dictionaries")
+    
+    # Validate each conversation dictionary structure
+    for conv in conversations:
+        if not isinstance(conv, dict):
+            raise ValueError("Each conversation must be a dictionary")
+        if 'from' not in conv or 'value' not in conv:
+            raise ValueError("Each conversation must have 'from' and 'value' keys")
+    
+    processed_conversations = []
+    i = 0
+    while i < len(conversations):
+        current_conv = conversations[i]
+        
+        # If current conversation is 'human', start merging
+        if current_conv['from'] == 'human':
+            # Collect all successive human conversations
+            merged_value = current_conv['value']
+            j = i + 1
+            while j < len(conversations) and conversations[j]['from'] == 'human':
+                merged_value += '\n\n' + conversations[j]['value']
+                j += 1
+            
+            # Update current conversation with merged value
+            current_conv['value'] = merged_value
+            
+            # Move index to last non-human conversation
+            i = j
+        else:
+            # For non-human conversations, just add to processed list
+            i += 1
+        
+        processed_conversations.append(current_conv)
+    
+    return processed_conversations
+
+grounding_step_prompt = "<|img|>Step {step_idx}. Given a GUI image, what are the relative (0-1000) pixel point coordinates for the element corresponding to the following instruction or description: {instruction}"
+grounding_step_ans = "```\n{point_str}\n```"
+act_step_prompt = "<|img|>Step {step_idx}. Instruction: {prev_instruction}"
+act_step_ans = "The agent's action: {prev_action}"
+user_start_prompt = "The agent is performing the ultimate task: {ultimate_task}."
+user_history_instr_prompt = "History of the agent's steps:\n{history_list}."
+
+def process_android_episodes(data, window_size=2):
+    """
+    Process Android episodes and extract steps with click or long_press actions.
+    
+    Args:
+    data (list): List of episode dictionaries
+    window_size (int, optional): Number of recent image-included conversations to include. 
+                                 Defaults to 3 (current image + 2 previous image-included steps).
+    
+    Returns:
+    dict: Dictionary with episode_id as key and list of filtered steps as value
+    """
+    instructions = []
+    for episode in data:
+        episode_id = episode["episode_id"]
+        
+        for i, step in enumerate(episode["steps"]):
+            action = step.get("action", {})
+            action_type = action.get("action_type")
+            is_grounding = action_type in ["click", "long_press"] and step["bbox_norm"] is not None
+
+            if not is_grounding:
+                continue
+
+            if window_size > 0 and i == 0: # skip the first step if window_size > 0
+                continue
+            
+            convs = [
+                {
+                    "from": "human",
+                    "value": user_start_prompt.format(
+                        ultimate_task=episode["goal"]
+                    ),
+                },
+            ]
+
+            cur_img_list = [Path("./images") / Path(step["img_path"]).name]
+
+            if window_size > 0:
+                window_steps = episode["steps"][i-window_size:i] if i >= window_size else episode["steps"][:i]
+
+                if i > window_size: # has more history steps larger than window_size
+                    convs.append(
+                        {
+                            "from": "human",
+                            "value": user_history_instr_prompt.format(
+                                history_list="\n".join(
+                                    [
+                                        f"\t{j+1}. " + prev_step["step_instruction"]
+                                        for j, prev_step in enumerate(episode["steps"][:i-window_size])
+                                    ]
+                                )
+                            ),
+                        },
+                    )
+
+                convs.append(
+                    {
+                        "from": "human",
+                        "value": "The recent steps with the GUI images are as follows:\n",
+                    }
+                )
+
+                for j, win_step_i in enumerate(window_steps):
+                    if win_step_i["action"]["action_type"] in ["click", "long_press"]:
+                        convs.append(
+                            {
+                                "from": "human",
+                                "value": grounding_step_prompt.format(
+                                    instruction=win_step_i["step_instruction"], step_idx=i+1-(len(window_steps)-j)
+                                ),
+                            }
+                        )
+                        convs.append(
+                            {
+                                "from": "gpt",
+                                "value": grounding_step_ans.format(point_str=f"({win_step_i['coord_norm'][0]}, {win_step_i['coord_norm'][1]})"),
+                            }
+                        )
+                    else:
+                        convs.append(
+                            {
+                                "from": "human",
+                                "value": act_step_prompt.format(
+                                    prev_instruction=win_step_i["step_instruction"], step_idx=i+1-(len(window_steps)-j)
+                                ),
+                            }
+                        )
+                        convs.append(
+                            {
+                                "from": "human",
+                                "value": act_step_ans.format(
+                                    prev_action=win_step_i["action"]
+                                ),
+                            }
+                        )
+
+                win_img_list = [
+                    Path("./images") / Path(win_step["img_path"]).name for win_step in window_steps
+                ]
+
+                if not all([img_path.exists() for img_path in win_img_list+cur_img_list]):
+                    print(f"Image not found for episode {episode_id}, step {i+1}. Skipping...")
+                    continue
+                
+                resize_scale = 0.5
+                win_img_list_resized = []
+                for img_path in win_img_list:
+                    new_save_name = img_path.stem + f"_{resize_scale}x" + img_path.suffix
+                    new_save_dir = img_path.parent.parent / f"images_resized"
+                    new_save_dir.mkdir(parents=True, exist_ok=True)
+                    new_save_path = new_save_dir / new_save_name
+                    if new_save_path.exists():
+                        try:
+                            Image.open(str(new_save_path))
+                        except Exception as e:
+                            print(f"Error opening image {new_save_path}: {e}")
+                            os.remove(new_save_path)
+                        else:
+                            win_img_list_resized.append(new_save_path)
+                            continue
+                    win_img = Image.open(str(img_path))
+                    win_img = resize_image(win_img, scale=resize_scale)
+                    win_img.save(str(new_save_path))
+                    win_img_list_resized.append(new_save_path)
+                
+            else: # window_size == 0
+                convs.append(
+                        {
+                            "from": "human",
+                            "value": user_history_instr_prompt.format(
+                                history_list="\n".join(
+                                    [
+                                        f"\t{j+1}. " + prev_step["step_instruction"]
+                                        for j, prev_step in enumerate(episode["steps"][:i])
+                                    ]
+                                )
+                            ),
+                        },
+                    )
+                
+            if window_size > 0:
+                img_list = win_img_list_resized + cur_img_list
+            else:
+                img_list = cur_img_list
+
+            if not all([img_path.exists() for img_path in img_list]):
+                print(f"Image not found for episode {episode_id}, step {i+1}. Skipping...")
+                continue
+
+            has_img_broken = False
+            for img_path in img_list:
+                try:
+                    Image.open(str(img_path))
+                except Exception as e:
+                    print(f"Error opening image {img_path}: {e}")
+                    has_img_broken = True
+                    break
+            if has_img_broken:
+                print(f"Image broken for episode {episode_id}, step {i+1}. Skipping...")
+                continue
+
+            # Current step details
+            convs.append(
+                {
+                    "from": "human",
+                    "value": grounding_step_prompt.format(instruction=step["step_instruction"], step_idx=i+1),
+                }
+            )
+            convs.append(
+                {
+                    "from": "gpt",
+                    "value": grounding_step_ans.format(point_str=f"({step['coord_norm'][0]}, {step['coord_norm'][1]})"),
+                }
+            )
+
+            convs = merge_convs(convs)
+
+            instructions.append(
+                {
+                    "image": [str(img_path) for img_path in img_list],
+                    "conversations": convs,
+                    "bbox_norm": step["bbox_norm"],
+                }
+            )
+    
+    return instructions
+
+# Example usage
+if __name__ == "__main__":
+    # Sample data loading (replace with your actual file path)
+    with open("ac_train_eposides_13603.json", "r") as file:
+        data = json.load(file)
+    
+    # Process the episodes with default window_size=3
+    # Process the episodes with default window_size=3
+    # window_size_list = [1, 2, 3]
+    window_size_list = [0, 1, 2, 3]
+
+    def process_episode(args):
+        episode, window_size = args
+        return process_android_episodes([episode], window_size)
+
+    instructions = []
+    for window_size in window_size_list:
+        tasks = [(episode, window_size) for episode in data]
+        with multiprocessing.Pool(processes=multiprocessing.cpu_count()) as pool:
+            results = list(tqdm(pool.imap(process_episode, tasks), total=len(tasks), desc=f"Window Size {window_size}"))
+        for result in results:
+            instructions.extend(result)
+    
+    print(f"Number of context aware train instructions: {len(instructions)}")
+    
+    with open(f"ac_train_window_{'-'.join([str(e) for e in window_size_list])}_{len(instructions)//1000}k.json", "w", encoding="utf-8") as file:
+        json.dump(instructions, file, ensure_ascii=False, indent=4)