277 lines
13 KiB
Python
277 lines
13 KiB
Python
import os
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import simplejson as 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, ignore_nan=True)
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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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# 创建输出数据的副本，避免修改原始数据
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import copy
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output_data = copy.deepcopy(content_data)
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# 统一使用tags字段，避免tag和tags重复
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if "tag" in output_data and "tags" not in output_data:
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# 只有tag字段存在，复制到tags
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output_data["tags"] = output_data["tag"]
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del output_data["tag"]
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elif "tag" in output_data and "tags" in output_data:
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# 两个字段都存在，保留tags并删除tag
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del output_data["tag"]
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# 确保即使在未启用审核的情况下，字段也保持一致
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if not output_data.get("judged", False):
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output_data["judged"] = False
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# 添加original_title、original_content和judge_analysis字段，值为null
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output_data["original_title"] = None
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output_data["original_content"] = None
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output_data["judge_analysis"] = None
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# 添加original_tags字段
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if "tags" in output_data and "original_tags" not in output_data:
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output_data["original_tags"] = output_data["tags"]
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# 对内容进行深度清理，确保安全序列化
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try:
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output_data = self._sanitize_content_for_json(output_data)
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logging.info("内容已经过安全清理，可以序列化")
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except Exception as e:
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logging.error(f"内容清理过程中出错: {e}")
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# 保存统一格式的article.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(output_data, f, ensure_ascii=False, indent=4, ignore_nan=True)
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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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# 如果序列化失败，记录原始内容用于调试
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debug_path = os.path.join(variant_dir, "debug_content.txt")
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try:
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with open(debug_path, "w", encoding="utf-8") as f:
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for key, value in output_data.items():
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if isinstance(value, str):
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f.write(f"{key}: (length: {len(value)})\n")
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f.write(f"{repr(value[:200])}...\n\n")
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else:
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f.write(f"{key}: {type(value)}\n")
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logging.info(f"Debug content saved to: {debug_path}")
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except Exception as debug_err:
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logging.error(f"Failed to save debug content: {debug_err}")
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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, ignore_nan=True)
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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, ignore_nan=True)
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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
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def _sanitize_content_for_json(self, data):
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"""对内容进行深度清理，确保可以安全序列化为JSON
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Args:
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data: 要处理的数据（字典、列表或基本类型）
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Returns:
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经过处理的数据，确保可以安全序列化
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"""
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if isinstance(data, dict):
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# 处理字典类型
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sanitized_dict = {}
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for key, value in data.items():
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sanitized_dict[key] = self._sanitize_content_for_json(value)
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return sanitized_dict
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elif isinstance(data, list):
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# 处理列表类型
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return [self._sanitize_content_for_json(item) for item in data]
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elif isinstance(data, str):
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# 处理字符串类型（重点关注）
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# 1. 首先，替换所有字面的"\n"为真正的换行符
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if r'\n' in data:
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data = data.replace(r'\n', '\n')
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# 2. 移除所有控制字符（ASCII 0-31，除了\n, \r, \t）
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cleaned = ''
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for char in data:
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# 允许常见的空白字符
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if char in '\n\r\t' or ord(char) >= 32:
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cleaned += char
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# 3. 验证字符串可以被安全序列化
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try:
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json.dumps(cleaned, ensure_ascii=False)
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return cleaned
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except Exception as e:
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logging.warning(f"字符串清理后仍无法序列化，尝试更严格的清理: {e}")
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# 如果仍然无法序列化，使用更严格的清理
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return ''.join(c for c in cleaned if ord(c) < 65536 and (c in '\n\r\t' or ord(c) >= 32))
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else:
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# 其他类型（数字、布尔值等）原样返回
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return data |