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https://github.com/PaiGramTeam/MibooGram.git
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♻️ 重构插件系统 ⚙️ 重写插件 🎨 改进代码结构 📝 完善文档 Co-authored-by: zhxy-CN <admin@owo.cab> Co-authored-by: 洛水居室 <luoshuijs@outlook.com> Co-authored-by: xtaodada <xtao@xtaolink.cn> Co-authored-by: Li Chuangbo <im@chuangbo.li>
80 lines
3.6 KiB
Python
80 lines
3.6 KiB
Python
import os
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import time
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from typing import Optional
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from jinja2 import Environment, PackageLoader, Template
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from playwright.async_api import ViewportSize
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from core.base.aiobrowser import AioBrowser
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from core.bot import bot
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from utils.log import logger
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class TemplateService:
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def __init__(self, browser: AioBrowser, template_package_name: str = "resources", cache_dir_name: str = "cache"):
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self._browser = browser
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self._template_package_name = template_package_name
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self._current_dir = os.getcwd()
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self._output_dir = os.path.join(self._current_dir, cache_dir_name)
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if not os.path.exists(self._output_dir):
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os.mkdir(self._output_dir)
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self._jinja2_env = {}
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self._jinja2_template = {}
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def get_template(self, package_path: str, template_name: str) -> Template:
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if bot.config.debug:
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# DEBUG下 禁止复用 方便查看和修改模板
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loader = PackageLoader(self._template_package_name, package_path)
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jinja2_env = Environment(loader=loader, enable_async=True, autoescape=True)
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jinja2_template = jinja2_env.get_template(template_name)
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else:
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jinja2_env: Environment = self._jinja2_env.get(package_path)
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jinja2_template: Template = self._jinja2_template.get(package_path + template_name)
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if jinja2_env is None:
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loader = PackageLoader(self._template_package_name, package_path)
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jinja2_env = Environment(loader=loader, enable_async=True, autoescape=True)
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jinja2_template = jinja2_env.get_template(template_name)
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self._jinja2_env[package_path] = jinja2_env
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self._jinja2_template[package_path + template_name] = jinja2_template
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return jinja2_template
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async def render_async(self, template_path: str, template_name: str, template_data: dict):
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"""模板渲染
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:param template_path: 模板目录
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:param template_name: 模板文件名
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:param template_data: 模板数据
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"""
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start_time = time.time()
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template = self.get_template(template_path, template_name)
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html = await template.render_async(**template_data)
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logger.debug(f"{template_name} 模板渲染使用了 {str(time.time() - start_time)}")
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return html
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async def render(self, template_path: str, template_name: str, template_data: dict,
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viewport: ViewportSize, full_page: bool = True, evaluate: Optional[str] = None) -> bytes:
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"""模板渲染成图片
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:param template_path: 模板目录
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:param template_name: 模板文件名
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:param template_data: 模板数据
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:param viewport: 截图大小
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:param full_page: 是否长截图
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:param evaluate: 页面加载后运行的 js
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:return:
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"""
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start_time = time.time()
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template = self.get_template(template_path, template_name)
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template_data["res_path"] = f"file://{self._current_dir}"
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html = await template.render_async(**template_data)
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logger.debug(f"{template_name} 模板渲染使用了 {str(time.time() - start_time)}")
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browser = await self._browser.get_browser()
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start_time = time.time()
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page = await browser.new_page(viewport=viewport)
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await page.goto(f"file://{template.filename}")
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await page.set_content(html, wait_until="networkidle")
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if evaluate:
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await page.evaluate(evaluate)
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png_data = await page.screenshot(full_page=full_page)
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await page.close()
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logger.debug(f"{template_name} 图片渲染使用了 {str(time.time() - start_time)}")
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return png_data
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