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某牛某客专栏文章爬虫 代码已脱敏，自行替换# @Time : 2023/10/8 14:43 # @Author : Lan # @File : niukespider.py # @Software: PyCharm import time import requests def get_category(catalog='10klpm'): url = f'https://www.lanol.cn.com/content/zhuanlan/index/catalog/{catalog}' return requests.get(url).json() c = """ <!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> {{content}} </body> </html> """ def get_content(catalog, entity): url = f'https://www.lanol.cn.com/content/zhuanlan/index/detail/{catalog}/{entity}?_={int(time.time() * 1000)}' return requests.get(url, headers={ 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36' }).json() if __name__ == '__main__': catalog = 'Gj5x2m' for i in get_category(catalog)['data']['catalog']: content = get_content(catalog, i['uuid'])['data'] with open('./docs/' + i['title'].replace('/', '-') + '.html', 'w', encoding='utf-8') as f: f.write(c.replace('{{content}}', content['content']))
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Debian11安装部署stable-diffusion-webui记录 开机从AutoDL开了一台A500的机器，按量计费，每个小时一块。开启学术加速根据自己机器地区https://www.autodl.com/docs/network_turbo/安装环境更好包列表apt update apt upgrade# Debian-based: sudo apt install wget git python3 python3-venv # Red Hat-based: sudo dnf install wget git python3 # Arch-based: sudo pacman -S wget git python3一键脚本bash <(wget -qO- https://raw.githubusercontent.com/AUTOMATIC1111/stable-diffusion-webui/master/webui.sh) -f
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调用ChatGPT超过4096Token后自动截取保留指定长度的Token 需要用到官方计算token的包：tiktokenpip install tiktoken截取并返回 def num_tokens_from_string(string: str) -> int: # www.lanol.cn encoding = tiktoken.get_encoding('cl100k_base') num_tokens = len(encoding.encode(string)) return num_tokens def truncate_messages(messages, max_chars): # By Lan www.lanol.cn total_chars = sum(num_tokens_from_string(message['content']) for message in messages) while total_chars > max_chars: removed_message = messages.pop(0) total_chars -= num_tokens_from_string(removed_message['content']) return messages
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django怎么在迁移数据库的时候，自动生成数据 要在Django中新增数据，您可以遵循以下步骤：首先，确保您已经创建了一个模型。例如，假设您有一个名为Person的模型，它在models.py文件中定义如下：from django.db import models class Person(models.Model): name = models.CharField(max_length=100) age = models.IntegerField() 接下来，创建一个新的迁移文件，如前面所述。使用以下命令创建一个空的迁移文件：manage.py makemigrations <your_app_name> --empty打开新创建的迁移文件，您需要在其中定义一个新的操作，用于创建数据。您可以使用RunPython操作。例如：from django.db import migrations def generate_data(apps, schema_editor): # 在这里编写用于生成数据的代码 pass class Migration(migrations.Migration): dependencies = [ ('<your_app_name>', '<previous_migration>'), ] operations = [ migrations.RunPython(generate_data), ]在这个例子中，我们在create_person函数中创建了一个新的Person实例，并将其保存到数据库中。保存迁移文件后，运行以下命令应用迁移：python manage.py migrate <your_app_name>完成以上步骤后，您应该已经成功地在数据库中新增了一条数据。
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