189 lines
9.3 KiB
Python
189 lines
9.3 KiB
Python
import os
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import json
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import logging
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from abc import ABC, abstractmethod
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import traceback
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class OutputHandler(ABC):
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"""Abstract base class for handling the output of the generation pipeline."""
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@abstractmethod
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def handle_topic_results(self, run_id: str, topics_list: list, system_prompt: str, user_prompt: str):
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"""Handles the results from the topic generation step."""
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pass
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@abstractmethod
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def handle_content_variant(self, run_id: str, topic_index: int, variant_index: int, content_data: dict, prompt_data: str):
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"""Handles the results for a single content variant."""
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pass
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@abstractmethod
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def handle_poster_configs(self, run_id: str, topic_index: int, config_data: list | dict):
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"""Handles the poster configuration generated for a topic."""
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pass
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@abstractmethod
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def handle_generated_image(self, run_id: str, topic_index: int, variant_index: int, image_type: str, image_data, output_filename: str, metadata: dict = None):
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"""Handles a generated image (collage or final poster).
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Args:
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image_type: Either 'collage' or 'poster'.
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image_data: The image data (e.g., PIL Image object or bytes).
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output_filename: The desired filename for the output (e.g., 'poster.jpg').
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metadata: Optional dictionary with additional metadata about the image (e.g., used image files).
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"""
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pass
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@abstractmethod
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def finalize(self, run_id: str):
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"""Perform any final actions for the run (e.g., close files, upload manifests)."""
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pass
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class FileSystemOutputHandler(OutputHandler):
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"""Handles output by saving results to the local file system."""
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def __init__(self, base_output_dir: str = "result"):
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self.base_output_dir = base_output_dir
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logging.info(f"FileSystemOutputHandler initialized. Base output directory: {self.base_output_dir}")
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def _get_run_dir(self, run_id: str) -> str:
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"""Gets the specific directory for a run, creating it if necessary."""
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run_dir = os.path.join(self.base_output_dir, run_id)
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os.makedirs(run_dir, exist_ok=True)
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return run_dir
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def _get_variant_dir(self, run_id: str, topic_index: int, variant_index: int, subdir: str | None = None) -> str:
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"""Gets the specific directory for a variant, optionally within a subdirectory (e.g., 'poster'), creating it if necessary."""
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run_dir = self._get_run_dir(run_id)
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variant_base_dir = os.path.join(run_dir, f"{topic_index}_{variant_index}")
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target_dir = variant_base_dir
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if subdir:
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target_dir = os.path.join(variant_base_dir, subdir)
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os.makedirs(target_dir, exist_ok=True)
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return target_dir
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def handle_topic_results(self, run_id: str, topics_list: list, system_prompt: str, user_prompt: str):
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run_dir = self._get_run_dir(run_id)
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# Save topics list
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topics_path = os.path.join(run_dir, f"tweet_topic_{run_id}.json")
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try:
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with open(topics_path, "w", encoding="utf-8") as f:
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json.dump(topics_list, f, ensure_ascii=False, indent=4)
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logging.info(f"Topics list saved successfully to: {topics_path}")
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except Exception as e:
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logging.exception(f"Error saving topic JSON file to {topics_path}:")
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# Save prompts
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prompt_path = os.path.join(run_dir, f"topic_prompt_{run_id}.txt")
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try:
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with open(prompt_path, "w", encoding="utf-8") as f:
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f.write("--- SYSTEM PROMPT ---\n")
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f.write(system_prompt + "\n\n")
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f.write("--- USER PROMPT ---\n")
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f.write(user_prompt + "\n")
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logging.info(f"Topic prompts saved successfully to: {prompt_path}")
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except Exception as e:
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logging.exception(f"Error saving topic prompts file to {prompt_path}:")
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def handle_content_variant(self, run_id: str, topic_index: int, variant_index: int, content_data: dict, prompt_data: str):
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"""Saves content JSON and prompt for a specific variant."""
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variant_dir = self._get_variant_dir(run_id, topic_index, variant_index)
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# Save content JSON
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content_path = os.path.join(variant_dir, "article.json")
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try:
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with open(content_path, "w", encoding="utf-8") as f:
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json.dump(content_data, f, ensure_ascii=False, indent=4)
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logging.info(f"Content JSON saved to: {content_path}")
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except Exception as e:
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logging.exception(f"Failed to save content JSON to {content_path}: {e}")
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# Save content prompt
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prompt_path = os.path.join(variant_dir, "tweet_prompt.txt")
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try:
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with open(prompt_path, "w", encoding="utf-8") as f:
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# Assuming prompt_data is the user prompt used for this variant
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f.write(prompt_data + "\n")
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logging.info(f"Content prompt saved to: {prompt_path}")
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except Exception as e:
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logging.exception(f"Failed to save content prompt to {prompt_path}: {e}")
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def handle_poster_configs(self, run_id: str, topic_index: int, config_data: list | dict):
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"""Saves the complete poster configuration list/dict for a topic."""
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run_dir = self._get_run_dir(run_id)
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config_path = os.path.join(run_dir, f"topic_{topic_index}_poster_configs.json")
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try:
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with open(config_path, 'w', encoding='utf-8') as f_cfg_topic:
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json.dump(config_data, f_cfg_topic, ensure_ascii=False, indent=4)
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logging.info(f"Saved complete poster configurations for topic {topic_index} to: {config_path}")
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except Exception as save_err:
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logging.error(f"Failed to save complete poster configurations for topic {topic_index} to {config_path}: {save_err}")
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def handle_generated_image(self, run_id: str, topic_index: int, variant_index: int, image_type: str, image_data, output_filename: str, metadata: dict = None):
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"""处理生成的图像，对于笔记图像和额外配图保存到image目录，其他类型保持原有路径结构"""
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if not image_data:
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logging.warning(f"传入的{image_type}图像数据为空 (Topic {topic_index}, Variant {variant_index})。跳过保存。")
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return
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# 根据图像类型确定保存路径
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if image_type == 'note' or image_type == 'additional': # 笔记图像和额外配图保存到image目录
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# 创建run_id/i_j/image目录
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run_dir = self._get_run_dir(run_id)
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variant_dir = os.path.join(run_dir, f"{topic_index}_{variant_index}")
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image_dir = os.path.join(variant_dir, "image")
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os.makedirs(image_dir, exist_ok=True)
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# 在输出文件名前加上图像类型前缀
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prefixed_filename = f"{image_type}_{output_filename}" if not output_filename.startswith(image_type) else output_filename
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save_path = os.path.join(image_dir, prefixed_filename)
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else:
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# 其他类型图像使用原有的保存路径逻辑
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subdir = None
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if image_type == 'collage':
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subdir = 'collage_img' # 可配置的子目录名称
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elif image_type == 'poster':
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subdir = 'poster'
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else:
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logging.warning(f"未知图像类型 '{image_type}'，保存到变体根目录。")
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subdir = None # 如果类型未知，直接保存到变体目录
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# 确保目标目录存在
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variant_dir = os.path.join(self._get_run_dir(run_id), f"{topic_index}_{variant_index}")
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if subdir:
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target_dir = os.path.join(variant_dir, subdir)
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os.makedirs(target_dir, exist_ok=True)
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else:
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target_dir = variant_dir
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os.makedirs(target_dir, exist_ok=True)
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save_path = os.path.join(target_dir, output_filename)
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try:
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# 保存图片
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image_data.save(save_path)
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logging.info(f"保存{image_type}图像到: {save_path}")
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# 保存元数据（如果有）
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if metadata:
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# 确保元数据文件与图像在同一目录
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metadata_filename = os.path.splitext(os.path.basename(save_path))[0] + "_metadata.json"
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metadata_path = os.path.join(os.path.dirname(save_path), metadata_filename)
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try:
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with open(metadata_path, 'w', encoding='utf-8') as f:
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json.dump(metadata, f, ensure_ascii=False, indent=4)
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logging.info(f"保存{image_type}元数据到: {metadata_path}")
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except Exception as me:
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logging.error(f"无法保存{image_type}元数据到{metadata_path}: {me}")
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traceback.print_exc()
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except Exception as e:
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logging.exception(f"无法保存{image_type}图像到{save_path}: {e}")
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traceback.print_exc()
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return save_path
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def finalize(self, run_id: str):
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logging.info(f"FileSystemOutputHandler finalizing run: {run_id}. No specific actions needed.")
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pass # Nothing specific to do for file system finalize |