942 lines
40 KiB
Python
942 lines
40 KiB
Python
import os
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import re
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import time
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import traceback
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import json
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import html
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import requests
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import io
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from typing import Dict, Any, List, Optional, Tuple
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from urllib.parse import urlparse
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from loguru import logger
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from pathlib import Path
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from PIL import Image, ImageDraw, ImageFont
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from base.plugin_common.message_plugin_interface import MessagePluginInterface
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from base.plugin_common.plugin_interface import PluginStatus
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from utils.decorator.plugin_decorators import plugin_stats_decorator
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from utils.robot_cmd.robot_command import Feature, PermissionStatus, GroupBotManager
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from wechat_ipad import WechatAPIClient
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from wechat_ipad.models.appmsg_xml import LINK_XML_NORMAL, VIDEO_XML_MESSAGE
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from wechat_ipad.models.message import MessageType
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class DouyinParserError(Exception):
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"""抖音解析器自定义异常基类"""
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pass
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class DouyinParserPlugin(MessagePluginInterface):
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"""抖音无水印解析插件"""
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# 功能权限常量
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FEATURE_KEY = "DOUYIN_PARSER"
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FEATURE_DESCRIPTION = "🎵 抖音解析功能 [自动解析抖音链接]"
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@property
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def name(self) -> str:
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return "抖音解析"
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@property
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def version(self) -> str:
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return "1.0.0"
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@property
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def description(self) -> str:
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return "提供抖音链接无水印解析功能，支持视频下载和分享"
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@property
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def author(self) -> str:
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return "姜不吃先生"
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@property
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def command_prefix(self) -> Optional[str]:
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return "" # 不需要前缀，直接匹配命令
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@property
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def commands(self) -> List[str]:
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return [] # 不使用命令触发，而是通过消息内容匹配
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@property
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def feature_key(self) -> Optional[str]:
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return self.FEATURE_KEY
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@property
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def feature_description(self) -> Optional[str]:
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return self.FEATURE_DESCRIPTION
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def __init__(self):
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super().__init__()
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self.LOG = logger
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# 既兼容 v.douyin.com 短链，也兼容分享页已经展开后的 douyin / iesdouyin 链接。
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# 这样用户直接转发短链、长链或者带标点的分享文案时，都能进入统一解析链路。
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self.url_pattern = re.compile(r'https?://[^\s<>\"]+?(?:douyin\.com|iesdouyin\.com)[^\s<>\"]*')
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# 本地页面解析优先复用分享页中的 _ROUTER_DATA。
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# 这是参考 DouyinParser 项目接入的核心能力，可以在不依赖第三方接口的情况下直接拿到图文/视频元数据。
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self.router_data_pattern = re.compile(r"window\._ROUTER_DATA\s*=\s*({.*?})\s*</script>", re.S)
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# 注册功能权限
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self.feature = self.register_feature()
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# 修改为使用插件目录下的down_load_dir文件夹
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self.download_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "down_load_dir")
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# 确保下载目录存在
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if not os.path.exists(self.download_dir):
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os.makedirs(self.download_dir, exist_ok=True)
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def initialize(self, context: Dict[str, Any]) -> bool:
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"""初始化插件"""
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self.LOG.debug(f"正在初始化 {self.name} 插件...")
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# 保存上下文对象
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self.event_system = context.get("event_system")
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self.gbm = context.get("gbm")
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self.download_dir = str(Path(Path(__file__).parent, "down_load_dir"))
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# 从配置中获取参数
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douyin_config = self._config.get("Douyin", {})
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self.enable = douyin_config.get("enable", True)
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self.http_proxy = douyin_config.get("http_proxy", "")
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# Cookie 配置说明：
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# 1) cookie: 直接粘贴请求头 Cookie 字符串；
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# 2) cookie_file: Netscape 格式 cookies 文件路径；
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# 3) 当二者同时存在时，后备提取优先 cookie_file（兼容性更好）。
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self.cookie = douyin_config.get("cookie", "") or ""
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self.cookie_file = douyin_config.get("cookie_file", "") or ""
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self.download_mode = douyin_config.get("download_mode", "card") # card或file
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self.LOG.debug(f"[{self.name}] 插件初始化完成，代理设置: {self.http_proxy}")
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return True
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def start(self) -> bool:
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"""启动插件"""
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self.LOG.debug(f"[{self.name}] 插件已启动")
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self.status = PluginStatus.RUNNING
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return True
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def stop(self) -> bool:
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"""停止插件"""
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self.LOG.info(f"[{self.name}] 插件已停止")
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self.status = PluginStatus.STOPPED
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return True
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def can_process(self, message: Dict[str, Any]) -> bool:
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"""检查是否可以处理该消息"""
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if not self.enable:
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return False
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if message.get("type") != MessageType.TEXT:
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return False
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content = str(message.get("content", "")).strip()
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return self._extract_douyin_url(content) is not None
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@plugin_stats_decorator(plugin_name="抖音解析")
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async def process_message(self, message: Dict[str, Any]) -> Tuple[bool, Optional[str]]:
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"""处理消息"""
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content = str(message.get("content", "")).strip()
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self.LOG.debug(f"插件执行： {self.name}：{content}")
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sender = message.get("sender")
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roomid = message.get("roomid", "")
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gbm: GroupBotManager = message.get("gbm")
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bot: WechatAPIClient = message.get("bot")
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# 检查权限
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if roomid and gbm.get_group_permission(roomid, self.feature) == PermissionStatus.DISABLED:
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return False, "没有权限"
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try:
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extracted_url = self._extract_douyin_url(content)
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if not extracted_url:
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return False, "未找到抖音链接"
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original_url = self._clean_url(extracted_url)
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self.LOG.info(f"发现抖音链接: {original_url}")
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media_info = self._parse_douyin(original_url)
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if not media_info:
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self.LOG.error(f"❌无法解析抖音媒资信息")
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return False, "解析失败"
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media_type = media_info.get('type', 'video')
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if media_type == 'image':
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image_candidates = media_info.get('image_candidates') or []
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if not image_candidates:
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raw_images = media_info.get('images') or []
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image_candidates = [[str(url).strip()] for url in raw_images if str(url).strip()]
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if not image_candidates:
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return False, "未获取到图片地址"
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img_bytes_list: List[bytes] = []
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# 本地页面解析会尽量给出每张图的多个候选地址。
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# 这里逐组兜底下载，避免首选链接偶发 403/失效时整条图文直接失败。
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for candidates in image_candidates:
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b = self._download_first_available_image_bytes(candidates)
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if b:
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img_bytes_list.append(b)
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if not img_bytes_list:
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return False, "下载图片失败"
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merged_pages = self._merge_images_vertical_paged(img_bytes_list, 1242, 65000)
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if not merged_pages:
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return False, "图片合并失败"
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title = media_info.get('title') or ""
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# 按你的需求，图文类型不再单独发送一条文本消息。
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# 这里把文案直接绘制到合并后第一页的顶部，让“文字 + 图片”作为同一条图片消息的一部分发送。
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if len(title) > 0:
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merged_pages[0] = self._append_title_to_image(merged_pages[0], title)
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for page in merged_pages:
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await self.bot.send_image_message((roomid if roomid else sender), page)
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return True, f"发送合并图片成功（{len(merged_pages)}页）"
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else:
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video_url = media_info.get('url', '')
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title = media_info.get('title', '无标题')
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author = media_info.get('author', '未知作者')
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cover = media_info.get('cover', '')
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if not video_url:
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self.LOG.error(f"❌无法获取视频地址")
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return False, "获取视频地址失败"
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if self.download_mode == "file":
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video_filename = f"video_{int(time.time())}.mp4"
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save_path = os.path.join(self.download_dir, video_filename)
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self.LOG.info(f"开始下载视频到: {save_path}")
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mp4_path = self._download_stream(video_url, os.path.join(self.download_dir, save_path))
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if mp4_path:
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await self.bot.send_video_message((roomid if roomid else sender), Path(mp4_path))
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return True, "发送视频文件成功"
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else:
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self.LOG.error(f"❌下载视频失败")
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return False, "下载视频失败"
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else:
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xml_content = f"{VIDEO_XML_MESSAGE}".format(title=author,
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des=title,
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url=video_url,
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thumburl=cover
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)
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await self.bot.send_link_xml_message(xml_content, (roomid if roomid else sender))
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return True, "发送卡片成功"
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except DouyinParserError as e:
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self.LOG.error(f"抖音解析错误: {e}")
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self.LOG.error(f"❌抖音解析失败: {str(e)}")
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return False, f"解析错误: {e}"
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except Exception as e:
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self.LOG.error(f"处理抖音链接出错: {e}\n{traceback.format_exc()}")
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self.LOG.error(f"❌处理抖音链接出错: {str(e)}")
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return False, f"处理出错: {e}"
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def _clean_url(self, url: str) -> str:
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"""清理URL"""
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cleaned_url = url.strip().replace(';', '').replace('\n', '').replace('\r', '')
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cleaned_url = cleaned_url.rstrip("，。,.!！?？）)]}")
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self.LOG.debug(f"[抖音] 清理后的URL: {cleaned_url}")
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return cleaned_url
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def _extract_douyin_url(self, content: str) -> Optional[str]:
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"""
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从消息文本中提取第一条抖音链接。
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说明：
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1. 分享文案里经常会把链接夹在中文标点中间，这里统一做一次裁剪；
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2. 后续无论是本地页面解析还是外部兜底，都使用这一条标准化后的 URL；
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3. 入口收口后，后面如果要补充更多抖音域名，也只需要改这一处。
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"""
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match = self.url_pattern.search(str(content or ""))
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if not match:
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return None
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return self._clean_url(match.group(0))
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def _clean_response_data(self, data: Dict[str, Any]) -> Dict[str, Any]:
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"""清理响应数据"""
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if not data:
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return data
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default_cover = "https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/7c/49/e1/7c49e1af-ce92-d1c4-9a93-0a316e47ba94/AppIcon_TikTok-0-0-1x_U007epad-0-1-0-0-85-220.png/512x512bb.jpg"
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media_type = data.get('type') or 'video'
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if media_type == 'video':
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cover = data.get('cover')
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if isinstance(cover, str):
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c = cover.strip().strip('`')
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data['cover'] = c if c.startswith('http') else default_cover
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||
else:
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data['cover'] = default_cover
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||
else:
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imgs = data.get('images') or []
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||
data['cover'] = imgs[0] if imgs else default_cover
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return data
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||
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def _parse_douyin(self, url: str) -> Dict[str, Any]:
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try:
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clean_url = self._clean_url(url)
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# 第一优先级：本地页面解析。
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# 这里参考 DouyinParser 项目，直接展开短链并解析分享页里的 _ROUTER_DATA，
|
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# 优点是不依赖外部第三方接口，命中成功时可直接拿到图文/视频的原始元数据。
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local_result = self._parse_from_local_page(clean_url)
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if local_result and (local_result.get('url') or local_result.get('images')):
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return self._clean_response_data(local_result)
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||
|
||
# 第二优先级：现有内网业务解析服务。
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# 保留这条链路作为本地页面解析失败后的第一层兜底，避免线上能力回退。
|
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primary = self._parse_from_internal_api(clean_url)
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if primary and (primary.get('url') or primary.get('images')):
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return self._clean_response_data(primary)
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||
|
||
# 第三优先级：外部接口兜底。
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# 这一层只在本地解析和内网解析都失败时再尝试，避免主路径对外部服务形成硬依赖。
|
||
secondary = self._parse_from_external_api(clean_url)
|
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if secondary and (secondary.get('url') or secondary.get('images')):
|
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return self._clean_response_data(secondary)
|
||
|
||
raise DouyinParserError("未获取到有效媒资数据")
|
||
except Exception as e:
|
||
self.LOG.error(f"[抖音] 解析过程发生未知错误: {str(e)}\n{traceback.format_exc()}")
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||
raise DouyinParserError(f"未知错误: {str(e)}")
|
||
|
||
def _parse_from_local_page(self, clean_url: str) -> Optional[Dict[str, Any]]:
|
||
"""
|
||
直接解析抖音分享页 HTML。
|
||
|
||
实现思路参考外部 DouyinParser 项目，但这里做了两点本地化适配：
|
||
1. 继续沿用当前插件已有的 requests / proxy / cookie 配置，避免额外引入异步 HTTP 依赖；
|
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2. 解析结果统一映射成当前插件现有的数据结构，尽量不改发送链路。
|
||
"""
|
||
try:
|
||
resolved_url = self._resolve_douyin_share_url(clean_url)
|
||
html_content = self._fetch_douyin_page_html(resolved_url)
|
||
if not html_content:
|
||
return None
|
||
result = self._parse_douyin_page_html(html_content)
|
||
if result and resolved_url and not result.get("source_url"):
|
||
result["source_url"] = resolved_url
|
||
return result
|
||
except Exception as e:
|
||
self.LOG.warning(f"[抖音] 本地页面解析失败，准备进入兜底链路: {e}")
|
||
return None
|
||
|
||
def _resolve_douyin_share_url(self, url: str) -> str:
|
||
"""
|
||
展开抖音短链，拿到最终分享页地址。
|
||
|
||
这样后续拉取 HTML 时可以稳定命中作品详情页，而不是停留在 v.douyin.com 的跳转页。
|
||
"""
|
||
response = requests.get(
|
||
url,
|
||
headers=self._build_page_request_headers(),
|
||
timeout=10,
|
||
proxies=self._build_proxies(),
|
||
allow_redirects=True,
|
||
)
|
||
response.raise_for_status()
|
||
final_url = str(response.url or url).strip()
|
||
self.LOG.debug(f"[抖音] 展开后的分享页地址: {final_url}")
|
||
return final_url
|
||
|
||
def _fetch_douyin_page_html(self, url: str) -> str:
|
||
"""拉取抖音分享页 HTML 内容。"""
|
||
response = requests.get(
|
||
url,
|
||
headers=self._build_page_request_headers(),
|
||
timeout=15,
|
||
proxies=self._build_proxies(),
|
||
)
|
||
response.raise_for_status()
|
||
response.encoding = response.apparent_encoding or response.encoding or "utf-8"
|
||
html_content = response.text or ""
|
||
if not html_content.strip():
|
||
raise DouyinParserError("抖音分享页内容为空")
|
||
return html_content
|
||
|
||
def _parse_douyin_page_html(self, html_content: str) -> Dict[str, Any]:
|
||
"""
|
||
解析分享页 HTML，兼容图文与视频作品。
|
||
|
||
解析顺序：
|
||
1. 优先尝试新版页面里的 _ROUTER_DATA；
|
||
2. 如果没有命中，再回退到旧页面中可直接正则提取的 video 字段。
|
||
"""
|
||
item = self._extract_aweme_item(html_content)
|
||
if item:
|
||
note = self._parse_note_item(item)
|
||
if note:
|
||
return note
|
||
|
||
video = self._parse_video_item(item)
|
||
if video:
|
||
return video
|
||
|
||
legacy_video = self._parse_legacy_video(html_content)
|
||
if legacy_video:
|
||
return legacy_video
|
||
|
||
raise DouyinParserError("未找到可解析的抖音图文或视频内容")
|
||
|
||
def _extract_aweme_item(self, html_content: str) -> Optional[Dict[str, Any]]:
|
||
"""
|
||
从页面中的 _ROUTER_DATA 提取第一条作品数据。
|
||
|
||
这是当前抖音分享页最稳定的数据来源，图文、视频都可以从这里统一解析。
|
||
"""
|
||
match = self.router_data_pattern.search(html_content or "")
|
||
if not match:
|
||
return None
|
||
|
||
try:
|
||
router_data = json.loads(match.group(1))
|
||
except json.JSONDecodeError as e:
|
||
self.LOG.warning(f"[抖音] 解析 _ROUTER_DATA 失败: {e}")
|
||
return None
|
||
|
||
loader_data = router_data.get("loaderData")
|
||
if not isinstance(loader_data, dict):
|
||
return None
|
||
|
||
for page_data in loader_data.values():
|
||
if not isinstance(page_data, dict):
|
||
continue
|
||
video_info = page_data.get("videoInfoRes")
|
||
if not isinstance(video_info, dict):
|
||
continue
|
||
item_list = video_info.get("item_list")
|
||
if isinstance(item_list, list) and item_list and isinstance(item_list[0], dict):
|
||
return item_list[0]
|
||
return None
|
||
|
||
def _parse_note_item(self, item: Dict[str, Any]) -> Optional[Dict[str, Any]]:
|
||
"""
|
||
从作品数据中解析图文作品。
|
||
|
||
这里保留每张图的候选 URL 列表，后续下载阶段可以逐个重试，提升图文成功率。
|
||
"""
|
||
image_url_groups = self._pick_image_url_groups(item)
|
||
if not image_url_groups:
|
||
return None
|
||
|
||
return {
|
||
"type": "image",
|
||
"title": self._clean_text(item.get("desc")),
|
||
"author": self._clean_text((item.get("author") or {}).get("nickname")),
|
||
"images": [group[0] for group in image_url_groups if group],
|
||
"image_candidates": image_url_groups,
|
||
"cover": image_url_groups[0][0] if image_url_groups and image_url_groups[0] else "",
|
||
}
|
||
|
||
def _pick_image_url_groups(self, item: Dict[str, Any]) -> List[List[str]]:
|
||
"""提取图文中每一页图片的候选地址列表，并做去重。"""
|
||
image_url_groups: List[List[str]] = []
|
||
seen_groups = set()
|
||
for image_info in item.get("images") or item.get("image_infos") or []:
|
||
if not isinstance(image_info, dict):
|
||
continue
|
||
candidates: List[str] = []
|
||
seen_urls = set()
|
||
for image_url in image_info.get("url_list") or []:
|
||
if not isinstance(image_url, str) or not image_url.startswith("http"):
|
||
continue
|
||
decoded_url = self._decode_text(image_url)
|
||
if decoded_url in seen_urls:
|
||
continue
|
||
candidates.append(decoded_url)
|
||
seen_urls.add(decoded_url)
|
||
group_key = tuple(candidates)
|
||
if candidates and group_key not in seen_groups:
|
||
image_url_groups.append(candidates)
|
||
seen_groups.add(group_key)
|
||
return image_url_groups
|
||
|
||
def _parse_video_item(self, item: Dict[str, Any]) -> Optional[Dict[str, Any]]:
|
||
"""从作品数据中解析视频作品，并优先挑选无水印播放地址。"""
|
||
video = item.get("video")
|
||
if not isinstance(video, dict) or video.get("duration") == 0:
|
||
return None
|
||
|
||
play_addr = video.get("play_addr") or {}
|
||
urls = play_addr.get("url_list") or []
|
||
video_url = self._pick_video_url(urls)
|
||
if not video_url:
|
||
return None
|
||
|
||
cover = video.get("cover") or {}
|
||
cover_urls = cover.get("url_list") or []
|
||
cover_url = self._decode_text(cover_urls[0]) if cover_urls else ""
|
||
|
||
return {
|
||
"type": "video",
|
||
"url": video_url,
|
||
"title": self._clean_text(item.get("desc")),
|
||
"author": self._clean_text((item.get("author") or {}).get("nickname")),
|
||
"cover": cover_url,
|
||
}
|
||
|
||
def _parse_legacy_video(self, html_content: str) -> Optional[Dict[str, Any]]:
|
||
"""
|
||
兼容旧分享页结构。
|
||
|
||
有些页面没有 _ROUTER_DATA，但仍然能从 play_addr / cover / desc 中拼出完整视频卡片。
|
||
"""
|
||
pattern = re.compile(r'"play_addr":\s*{\s*"uri":\s*"[^"]*",\s*"url_list":\s*\[([^\]]*)\]')
|
||
match = pattern.search(html_content or "")
|
||
if not match:
|
||
return None
|
||
|
||
raw_urls = [url.strip().strip('"') for url in match.group(1).split(",")]
|
||
video_url = self._pick_video_url(raw_urls)
|
||
if not video_url:
|
||
return None
|
||
|
||
title = self._match_json_string(html_content, "desc")
|
||
author = self._match_json_string(html_content, "nickname")
|
||
cover_match = re.search(r'"cover":\s*{\s*"url_list":\s*\[\s*"([^"]+)"', html_content or "")
|
||
|
||
return {
|
||
"type": "video",
|
||
"url": video_url,
|
||
"title": title,
|
||
"author": author,
|
||
"cover": self._decode_text(cover_match.group(1)) if cover_match else "",
|
||
}
|
||
|
||
def _pick_video_url(self, urls: List[Any]) -> str:
|
||
"""
|
||
从多个视频地址里优先挑选更适合直发的无水印链接。
|
||
|
||
规则：
|
||
1. 优先把 playwm 改成 play，尽量拿无水印地址；
|
||
2. 优先选择 aweme.snssdk.com 这类直链；
|
||
3. 如果没有，再退回现有 v3/v10 / douyinvod 选择逻辑。
|
||
"""
|
||
decoded_urls = [
|
||
self._decode_text(str(url)).replace("playwm", "play")
|
||
for url in urls
|
||
if isinstance(url, str) and str(url).strip()
|
||
]
|
||
snssdk_urls = [url for url in decoded_urls if "aweme.snssdk.com" in url]
|
||
if snssdk_urls:
|
||
return snssdk_urls[0]
|
||
return self._prefer_v3_v10(decoded_urls) or ""
|
||
|
||
def _match_json_string(self, text: str, key: str) -> str:
|
||
"""从 HTML 文本中的 JSON 片段抽取字符串字段。"""
|
||
match = re.search(rf'"{re.escape(key)}":\s*"([^"]*)"', text or "")
|
||
return self._clean_text(self._decode_text(match.group(1))) if match else ""
|
||
|
||
def _decode_text(self, value: Any) -> str:
|
||
"""同时处理 HTML 转义与 unicode 转义，避免标题和 URL 出现 \\uXXXX / &。"""
|
||
if value is None:
|
||
return ""
|
||
text = html.unescape(str(value))
|
||
# 只有在文本里明显存在 \uXXXX / \xXX 这类转义片段时才做 unicode_escape 解码，
|
||
# 避免把本来已经是正常中文的字符串再次错误解码成乱码。
|
||
if "\\u" in text or "\\x" in text:
|
||
try:
|
||
text = text.encode("utf-8").decode("unicode_escape")
|
||
except Exception:
|
||
pass
|
||
return text
|
||
|
||
def _clean_text(self, value: Any) -> str:
|
||
"""统一清理文本字段，避免标题/作者带空白或转义残留。"""
|
||
return "" if value is None else self._decode_text(value).strip()
|
||
|
||
def _build_proxies(self) -> Optional[Dict[str, str]]:
|
||
if self.http_proxy:
|
||
return {"http": self.http_proxy, "https": self.http_proxy}
|
||
return None
|
||
|
||
def _build_request_headers(self) -> Dict[str, str]:
|
||
"""
|
||
构建通用请求头。
|
||
|
||
设计说明：
|
||
- User-Agent 保持常规浏览器标识，降低被目标站点直接拒绝的概率；
|
||
- Cookie 在有配置时注入到请求头，提升受限资源的提取成功率。
|
||
"""
|
||
headers = {
|
||
"User-Agent": (
|
||
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
|
||
"AppleWebKit/537.36 (KHTML, like Gecko) "
|
||
"Chrome/124.0.0.0 Safari/537.36"
|
||
)
|
||
}
|
||
if self.cookie:
|
||
headers["Cookie"] = self.cookie
|
||
return headers
|
||
|
||
def _build_page_request_headers(self) -> Dict[str, str]:
|
||
"""
|
||
构建用于访问抖音分享页的请求头。
|
||
|
||
这里单独使用移动端 Safari UA，是因为参考项目和线上经验都表明：
|
||
- 分享页 HTML 在移动端更稳定地携带 _ROUTER_DATA；
|
||
- 图文作品在移动端页面中的结构更统一；
|
||
- 不影响现有 API 兜底链路，因为只用于本地页面抓取。
|
||
"""
|
||
headers = self._build_request_headers()
|
||
headers["User-Agent"] = (
|
||
"Mozilla/5.0 (iPhone; CPU iPhone OS 14_0 like Mac OS X) "
|
||
"AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Mobile/15E148 Safari/604.1"
|
||
)
|
||
headers["Referer"] = "https://www.douyin.com/"
|
||
headers["Accept-Language"] = "zh-CN,zh;q=0.9"
|
||
return headers
|
||
|
||
def _parse_from_internal_api(self, clean_url: str) -> Optional[Dict[str, Any]]:
|
||
try:
|
||
endpoint = "http://192.168.2.32:8999/api/hybrid/video_data"
|
||
headers = self._build_request_headers()
|
||
headers["accept"] = "application/json"
|
||
params = {"url": clean_url, "minimal": "false"}
|
||
response = requests.get(endpoint, headers=headers, params=params, timeout=10, proxies=self._build_proxies())
|
||
if response.status_code != 200:
|
||
return None
|
||
body = response.json() or {}
|
||
if body.get("code") != 200:
|
||
return None
|
||
data = body.get("data") or {}
|
||
aweme_type = data.get("aweme_type")
|
||
author = (data.get("author") or {})
|
||
nickname = author.get("nickname") or author.get("unique_id") or "未知作者"
|
||
if aweme_type == 68 or (data.get("images") or data.get("image_list")):
|
||
images_field = data.get("images") or []
|
||
images: List[str] = []
|
||
for img in images_field:
|
||
ulist = img.get("url_list") or img.get("download_url_list") or []
|
||
chosen = self._prefer_image_url(ulist)
|
||
if chosen:
|
||
images.append(chosen)
|
||
desc = data.get("desc") or data.get("caption") or ""
|
||
result = {"type": "image", "images": images, "title": desc, "author": nickname,
|
||
"cover": images[0] if images else ""}
|
||
if images:
|
||
return result
|
||
return None
|
||
video = data.get("video") or {}
|
||
bit_rates = video.get("bit_rate") or []
|
||
chosen_url = ""
|
||
mp4_sorted = sorted([br for br in bit_rates if br.get("format") == "mp4"],
|
||
key=lambda x: x.get("bit_rate") or 0, reverse=True)
|
||
for br in mp4_sorted:
|
||
play_addr = br.get("play_addr") or {}
|
||
urls = play_addr.get("url_list") or []
|
||
selected = self._prefer_v3_v10(urls)
|
||
if selected:
|
||
chosen_url = selected
|
||
break
|
||
if not chosen_url:
|
||
play_addr = video.get("play_addr") or {}
|
||
urls = play_addr.get("url_list") or []
|
||
selected = self._prefer_v3_v10(urls)
|
||
if selected:
|
||
chosen_url = selected
|
||
cover = (video.get("cover") or {}).get("url_list") or []
|
||
cover_url = cover[0] if cover else ""
|
||
caption = data.get("caption") or "无标题"
|
||
author = (data.get("author") or {})
|
||
nickname = author.get("nickname") or author.get("unique_id") or "未知作者"
|
||
result = {"type": "video", "url": chosen_url or "", "title": caption, "author": nickname,
|
||
"cover": cover_url}
|
||
if result.get("url"):
|
||
return result
|
||
return None
|
||
except Exception:
|
||
return None
|
||
|
||
def _parse_from_external_api(self, clean_url: str) -> Optional[Dict[str, Any]]:
|
||
try:
|
||
pay_api_url = "https://api.pearktrue.cn/api/video/api.php"
|
||
params = {"url": clean_url, "key": "f56c1fed0c6e64e7"}
|
||
response = requests.post(
|
||
pay_api_url,
|
||
params=params,
|
||
headers=self._build_request_headers(),
|
||
timeout=10,
|
||
proxies=self._build_proxies(),
|
||
)
|
||
if response.status_code != 200:
|
||
return None
|
||
data = response.json() or {}
|
||
if data.get("code") == 200:
|
||
result = data.get("data", {})
|
||
if result.get("url"):
|
||
return result
|
||
return None
|
||
except Exception:
|
||
return None
|
||
|
||
def _prefer_v3_v10(self, urls: List[str]) -> Optional[str]:
|
||
try:
|
||
if not urls:
|
||
return None
|
||
cleaned = [(u or "").strip().strip("`") for u in urls if u]
|
||
|
||
def is_vx(n: str) -> bool:
|
||
return bool(re.match(r"^v(3|4|5|6|7|8|9|10|11)(?:[\-.]|$)", n, re.I))
|
||
|
||
def is_douyinvod(n: str) -> bool:
|
||
return "douyinvod.com" in n.lower()
|
||
|
||
first = None
|
||
for s in cleaned:
|
||
netloc = urlparse(s).netloc
|
||
if is_vx(netloc) and is_douyinvod(netloc):
|
||
return s
|
||
if first is None:
|
||
first = s
|
||
for s in cleaned:
|
||
netloc = urlparse(s).netloc
|
||
if is_vx(netloc):
|
||
return s
|
||
for s in cleaned:
|
||
netloc = urlparse(s).netloc
|
||
if is_douyinvod(netloc):
|
||
return s
|
||
return first
|
||
except Exception:
|
||
return urls[0] if urls else None
|
||
|
||
def _prefer_image_url(self, urls: List[str]) -> Optional[str]:
|
||
try:
|
||
if not urls:
|
||
return None
|
||
cleaned = [(u or "").strip().strip("`") for u in urls if u]
|
||
jpeg = next((u for u in cleaned if ".jpeg" in u.lower() or u.lower().endswith(".jpg")), None)
|
||
if jpeg:
|
||
return jpeg
|
||
webp = next((u for u in cleaned if ".webp" in u.lower()), None)
|
||
if webp:
|
||
return webp
|
||
return cleaned[0]
|
||
except Exception:
|
||
return urls[0] if urls else None
|
||
|
||
def _download_stream(self, url, save_path):
|
||
"""
|
||
从指定URL读取视频流并保存到本地
|
||
:param url: 视频流的URL
|
||
:param save_path: 本地保存路径（包含文件名，例如 "video.mp4"）
|
||
"""
|
||
try:
|
||
# 发送GET请求，启用流式传输
|
||
response = requests.get(
|
||
url,
|
||
stream=True,
|
||
headers=self._build_request_headers(),
|
||
proxies=self._build_proxies(),
|
||
timeout=30,
|
||
)
|
||
|
||
# 检查请求是否成功
|
||
response.raise_for_status() # 如果状态码不是200，将抛出异常
|
||
|
||
# 确保保存路径的目录存在
|
||
os.makedirs(os.path.dirname(save_path) or ".", exist_ok=True)
|
||
|
||
# 检查是否是视频流（可选，根据Content-Type判断）
|
||
content_type = response.headers.get("Content-Type", "").lower()
|
||
if "video" not in content_type and "application/octet-stream" not in content_type:
|
||
self.LOG.warning(f"警告: 返回的可能不是视频流，Content-Type: {content_type}")
|
||
self.LOG.warning(f"响应内容预览: {response.text[:100]}") # 打印前100字符查看
|
||
return None
|
||
|
||
# 以二进制写入模式保存流数据
|
||
with open(save_path, "wb") as file:
|
||
for chunk in response.iter_content(chunk_size=1024): # 分块读取，每块1KB
|
||
if chunk: # 过滤空块
|
||
file.write(chunk)
|
||
self.LOG.info(f"视频已下载到: {save_path}")
|
||
return os.path.abspath(save_path)
|
||
except requests.RequestException as e:
|
||
self.LOG.error(f"请求失败: {e}")
|
||
except IOError as e:
|
||
self.LOG.error(f"文件写入失败: {e}")
|
||
except Exception as e:
|
||
self.LOG.error(f"发生未知错误: {e}")
|
||
return None
|
||
|
||
def _download_image_bytes(self, url: str) -> Optional[bytes]:
|
||
try:
|
||
resp = requests.get(
|
||
url,
|
||
headers=self._build_request_headers(),
|
||
timeout=15,
|
||
proxies=self._build_proxies(),
|
||
)
|
||
if resp.status_code == 200:
|
||
return resp.content
|
||
return None
|
||
except Exception:
|
||
return None
|
||
|
||
def _merge_images_vertical(self, images: List[bytes], target_width: int = 1242) -> Optional[bytes]:
|
||
try:
|
||
pil_images: List[Image.Image] = []
|
||
for b in images:
|
||
img = Image.open(io.BytesIO(b))
|
||
if img.mode in ("RGBA", "P"):
|
||
img = img.convert("RGB")
|
||
w, h = img.size
|
||
if w != target_width:
|
||
ratio = target_width / float(w)
|
||
img = img.resize((target_width, int(h * ratio)))
|
||
pil_images.append(img)
|
||
if not pil_images:
|
||
return None
|
||
total_height = sum(i.size[1] for i in pil_images)
|
||
merged = Image.new("RGB", (target_width, total_height))
|
||
y = 0
|
||
for im in pil_images:
|
||
merged.paste(im, (0, y))
|
||
y += im.size[1]
|
||
output = io.BytesIO()
|
||
merged.save(output, format="JPEG", quality=85)
|
||
return output.getvalue()
|
||
except Exception:
|
||
return None
|
||
|
||
def _merge_images_vertical_paged(self, images: List[bytes], target_width: int = 1242, max_total_height: int = 18000) -> Optional[List[bytes]]:
|
||
try:
|
||
outputs: List[bytes] = []
|
||
current_images: List[Image.Image] = []
|
||
current_height = 0
|
||
for b in images:
|
||
try:
|
||
img = Image.open(io.BytesIO(b))
|
||
if img.mode in ("RGBA", "P"):
|
||
img = img.convert("RGB")
|
||
w, h = img.size
|
||
if w != target_width:
|
||
ratio = target_width / float(w)
|
||
img = img.resize((target_width, int(h * ratio)))
|
||
ih = img.size[1]
|
||
except Exception:
|
||
continue
|
||
if current_images and current_height + ih > max_total_height:
|
||
merged = Image.new("RGB", (target_width, current_height))
|
||
y = 0
|
||
for im in current_images:
|
||
merged.paste(im, (0, y))
|
||
y += im.size[1]
|
||
out = io.BytesIO()
|
||
merged.save(out, format="JPEG", quality=85)
|
||
outputs.append(out.getvalue())
|
||
current_images = [img]
|
||
current_height = img.size[1]
|
||
else:
|
||
current_images.append(img)
|
||
current_height += ih
|
||
if current_images:
|
||
merged = Image.new("RGB", (target_width, current_height))
|
||
y = 0
|
||
for im in current_images:
|
||
merged.paste(im, (0, y))
|
||
y += im.size[1]
|
||
out = io.BytesIO()
|
||
merged.save(out, format="JPEG", quality=85)
|
||
outputs.append(out.getvalue())
|
||
return outputs if outputs else None
|
||
except Exception:
|
||
return None
|
||
|
||
def _download_first_available_image_bytes(self, candidates: List[str]) -> Optional[bytes]:
|
||
"""
|
||
按候选列表顺序下载第一张可用图片。
|
||
|
||
本地页面解析拿到的图片地址通常会给出多份 url_list，
|
||
这里逐个尝试可以减少单一 CDN 地址失效导致的图文整条失败。
|
||
"""
|
||
for candidate in candidates or []:
|
||
clean_candidate = self._clean_url(str(candidate or ""))
|
||
if not clean_candidate:
|
||
continue
|
||
image_bytes = self._download_image_bytes(clean_candidate)
|
||
if image_bytes:
|
||
return image_bytes
|
||
return None
|
||
|
||
def _append_title_to_image(self, image_bytes: bytes, title: str) -> bytes:
|
||
"""
|
||
将标题绘制到图片顶部，返回新的图片二进制数据。
|
||
|
||
设计说明：
|
||
1) 微信接口没有“单条消息同时携带纯文本+图片”的通用发送 API；
|
||
2) 为了满足“图文合并发送”，这里把标题渲染为图片顶部文字区域；
|
||
3) 渲染失败时直接回退原图，避免影响主流程可用性。
|
||
"""
|
||
if not title:
|
||
return image_bytes
|
||
try:
|
||
source = Image.open(io.BytesIO(image_bytes))
|
||
if source.mode in ("RGBA", "P"):
|
||
source = source.convert("RGB")
|
||
|
||
width, height = source.size
|
||
# 文字区域留出左右/上下内边距，保证可读性。
|
||
pad_x = 36
|
||
pad_y = 26
|
||
font = self._load_chinese_font(44)
|
||
wrapped_lines = self._wrap_text_for_image(title.strip(), font, max(100, width - pad_x * 2))
|
||
if not wrapped_lines:
|
||
return image_bytes
|
||
|
||
# 行高按字体大小动态计算，并增加少量行间距。
|
||
line_height = max(44, int(font.size * 1.4))
|
||
text_block_height = pad_y * 2 + line_height * len(wrapped_lines)
|
||
|
||
# 新建画布：上方白底承载文案，下方保留原图内容。
|
||
canvas = Image.new("RGB", (width, height + text_block_height), (255, 255, 255))
|
||
canvas.paste(source, (0, text_block_height))
|
||
|
||
draw = ImageDraw.Draw(canvas)
|
||
y = pad_y
|
||
for line in wrapped_lines:
|
||
draw.text((pad_x, y), line, font=font, fill=(34, 34, 34))
|
||
y += line_height
|
||
|
||
output = io.BytesIO()
|
||
canvas.save(output, format="JPEG", quality=88)
|
||
return output.getvalue()
|
||
except Exception as e:
|
||
self.LOG.warning(f"标题绘制失败，回退原图: {e}")
|
||
return image_bytes
|
||
|
||
def _load_chinese_font(self, size: int) -> ImageFont.FreeTypeFont:
|
||
"""
|
||
尝试加载常见中文字体，保证标题在不同系统尽量可读。
|
||
如果都不可用，则回退到 Pillow 默认字体（可能不支持完整中文）。
|
||
"""
|
||
font_candidates = [
|
||
"C:/Windows/Fonts/msyh.ttc",
|
||
"C:/Windows/Fonts/simhei.ttf",
|
||
"/usr/share/fonts/truetype/wqy/wqy-zenhei.ttc",
|
||
"/usr/share/fonts/opentype/noto/NotoSansCJK-Regular.ttc",
|
||
"/System/Library/Fonts/PingFang.ttc",
|
||
]
|
||
for font_path in font_candidates:
|
||
if os.path.exists(font_path):
|
||
try:
|
||
return ImageFont.truetype(font_path, size=size)
|
||
except Exception:
|
||
continue
|
||
return ImageFont.load_default()
|
||
|
||
def _wrap_text_for_image(self, text: str, font: ImageFont.ImageFont, max_width: int) -> List[str]:
|
||
"""
|
||
按像素宽度将文本自动换行，避免标题超宽被截断。
|
||
|
||
实现策略：
|
||
- 逐字追加，超过最大宽度就换行；
|
||
- 保留原有换行语义（按行分段后再逐字处理）。
|
||
"""
|
||
draw = ImageDraw.Draw(Image.new("RGB", (10, 10)))
|
||
lines: List[str] = []
|
||
for para in text.splitlines():
|
||
if not para:
|
||
lines.append("")
|
||
continue
|
||
current = ""
|
||
for ch in para:
|
||
test = current + ch
|
||
text_width = int(draw.textlength(test, font=font))
|
||
if current and text_width > max_width:
|
||
lines.append(current)
|
||
current = ch
|
||
else:
|
||
current = test
|
||
if current:
|
||
lines.append(current)
|
||
return lines
|