Update __init__.py
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1 changed files with 8 additions and 94 deletions
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@ -3,9 +3,6 @@ import random
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import traceback
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import traceback
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from bs4 import BeautifulSoup
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from bs4 import BeautifulSoup
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from sqlalchemy import create_engine, Column, String, Text, Integer
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from sqlalchemy.ext.declarative import declarative_base
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from sqlalchemy.orm import sessionmaker
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from tenacity import retry, stop_after_attempt
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from tenacity import retry, stop_after_attempt
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@ -19,52 +16,6 @@ from core.logger import Logger
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from PIL import Image as PILImage
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from PIL import Image as PILImage
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Base = declarative_base()
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DB_LINK = 'sqlite:///modules/chemical_code/answer.db' # 题型数据库
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class Answer(Base): # 数据表,为了使用 sqlalchemy 进行数据库操作所以预设此类
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__tablename__ = "Answer"
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id = Column(Integer, primary_key=True)
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cas = Column(String(512))
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answer = Column(Text)
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class MSGDBSession: # 数据库会话类
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def __init__(self):
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self.engine = engine = create_engine(DB_LINK)
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Base.metadata.create_all(bind=engine, checkfirst=True)
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self.Session = sessionmaker()
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self.Session.configure(bind=self.engine)
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@property
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def session(self):
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return self.Session()
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session = MSGDBSession().session # 实例化数据库会话并获取数据库会话
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def auto_rollback_error(func): # 函数装饰器,用于捕获异常并回滚数据库
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def wrapper(*args, **kwargs):
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try:
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return func(*args, **kwargs)
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except Exception as e:
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session.rollback()
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raise e
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return wrapper
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@retry(stop=stop_after_attempt(3)) # 函数装饰器,用于重试 3 次
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@auto_rollback_error # 函数装饰器,用于捕获异常并回滚数据库
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def randcc(): # 随机从数据库(数据来源:chemicalbook)中获取一个题目
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num = random.randint(1, 20000) # 在 1 到 20000 之间随机一个数作为抽取 ID
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query = session.query(Answer).filter_by(id=num).first() # 根据 ID 查询题目
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return query.cas, query.answer # 返回 chemicalbook 中的 CAS 号和化学式
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csr_link = 'https://www.chemspider.com' # ChemSpider 的链接
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csr_link = 'https://www.chemspider.com' # ChemSpider 的链接
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@ -73,30 +24,18 @@ async def search_csr(id=None): # 根据 ChemSpider 的 ID 查询 ChemSpider 的
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if id is not None: # 如果传入了 ID,则使用 ID 查询
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if id is not None: # 如果传入了 ID,则使用 ID 查询
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answer = id
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answer = id
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else:
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else:
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cas, answer = randcc() # 否则随机查询一个题目
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answer = random.randint(1, 100000000) # 否则随机查询一个题目
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get = await get_url(csr_link + '/Search.aspx?q=' + answer, 200, fmt='text') # 在 ChemSpider 上搜索此化学式或 ID
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get = await get_url(csr_link + '/Search.aspx?q=' + str(answer), 200, fmt='text') # 在 ChemSpider 上搜索此化学式或 ID
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# Logger.info(get)
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# Logger.info(get)
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soup = BeautifulSoup(get, 'html.parser') # 解析 HTML
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soup = BeautifulSoup(get, 'html.parser') # 解析 HTML
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rlist = [] # 创建一个空列表用于存放搜索结果
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rlist = [] # 创建一个空列表用于存放搜索结果
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try: # 尝试获取搜索结果
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results = soup.find_all('tbody')[0].find_all('tr') # 获取搜索结果中的所有表格行
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for x in results: # 遍历所有表格行
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sub = x.find_all('td')[0:4] # 获取表格行中的前四个单元格
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name = sub[2].text # 单元格中的化学式名称
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image = sub[1].find_all('img')[0].get('src') # 单元格中的图片链接
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rlist.append({'name': name, 'image': csr_link + image + '&w=500&h=500'}) # 将化学式名称和图片链接加入列表
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except IndexError: # 尝试失败,进行第二次尝试
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try:
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try:
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name = soup.find('span',
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name = soup.find('span',
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id='ctl00_ctl00_ContentSection_ContentPlaceHolder1_RecordViewDetails_rptDetailsView_ctl00_prop_MF').text # 获取化学式名称
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id='ctl00_ctl00_ContentSection_ContentPlaceHolder1_RecordViewDetails_rptDetailsView_ctl00_prop_MF').text # 获取化学式名称
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image = soup.find('img',
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rlist.append({'name': name, 'image': f'https://www.chemspider.com/ImagesHandler.ashx?id={answer}&w=500&h=500'})
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id='ctl00_ctl00_ContentSection_ContentPlaceHolder1_RecordViewDetails_rptDetailsView_ctl00_ThumbnailControl1_viewMolecule')\
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.get('src') # 获取图片链接
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rlist.append({'name': name, 'image': csr_link + image})
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except Exception as e: # 尝试失败,抛出错误
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except Exception as e: # 尝试失败,抛出错误
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raise e
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raise e
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return rlist
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return rlist
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@ -145,31 +84,6 @@ async def chemical_code(msg: MessageSession, id=None): # 要求传入消息会
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choice = random.choice(csr) # 从列表中随机选择一个结果
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choice = random.choice(csr) # 从列表中随机选择一个结果
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play_state[msg.target.targetId]['answer'] = choice['name'] # 将正确答案标记于 play_state 中存储的对象中
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play_state[msg.target.targetId]['answer'] = choice['name'] # 将正确答案标记于 play_state 中存储的对象中
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Logger.info(f'Answer: {choice["name"]}') # 在日志中输出正确答案
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Logger.info(f'Answer: {choice["name"]}') # 在日志中输出正确答案
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# 下面的代码已被注释,因为不再使用 ChemicalBook 图片数据源
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"""get_image = await download_to_cache(f'https://www.chemicalbook.com/CAS/GIF/{get_rand[0]}.gif')
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Logger.info(get_rand[1])
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play_state[msg.target.targetId]['answer'] = get_rand[1]
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with PILImage.open(get_image) as im:
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if im.size[0] < 10:
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del play_state[msg.target.targetId]
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return await _(msg)
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im.seek(0)
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image = im.convert("RGBA")
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datas = image.getdata()
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newData = []
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for item in datas:
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if item[3] == 0: # if transparent
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newData.append((230, 230, 230)) # set transparent color in jpg
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else:
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newData.append(tuple(item[:3]))
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image = PILImage.new("RGBA", im.size)
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image.getdata()
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image.putdata(newData)
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newpath = random_cache_path() + '.png'
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image.save(newpath)"""
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download = await download_to_cache(choice['image']) # 从结果中获取链接并下载图片
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download = await download_to_cache(choice['image']) # 从结果中获取链接并下载图片
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with PILImage.open(download) as im: # 打开下载的图片
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with PILImage.open(download) as im: # 打开下载的图片
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