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# Python怎么获取小米应用商店数据
## 前言
在移动应用市场分析、竞品调研或数据挖掘项目中,获取应用商店数据是常见需求。小米应用商店作为国内主流安卓应用分发平台之一,其数据包含应用详情、下载量、评分、评论等有价值信息。本文将详细介绍使用Python获取小米应用商店数据的多种方法,包括合法合规的API调用、网络爬虫技术以及相关注意事项。
---
## 一、数据获取的合法途径
### 1.1 官方API(优先选择)
小米开放平台提供部分API接口,需申请开发者资质:
```python
import requests
def get_xiaomi_app_data(app_id):
url = f"https://api.xiaomi.com/appstore/v1/app/{app_id}"
headers = {"Authorization": "Bearer YOUR_ACCESS_TOKEN"}
response = requests.get(url, headers=headers)
return response.json()
# 需要先在小米开放平台注册应用获取access_token
对于非敏感数据(如排行榜),可通过分析网页请求获取:
def get_top_apps(category=0, page=1):
url = "https://app.mi.com/categotyAllListApi"
params = {
"page": page,
"categoryId": category,
"pageSize": 30
}
response = requests.get(url, params=params)
return response.json()["data"]
安装必要库:
pip install requests beautifulsoup4 selenium
from bs4 import BeautifulSoup
import requests
def parse_app_page(app_id):
url = f"https://app.mi.com/details?id={app_id}"
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64)"
}
response = requests.get(url, headers=headers)
soup = BeautifulSoup(response.text, 'html.parser')
return {
"name": soup.select_one(".intro-titles h3").text,
"developer": soup.select_one(".intro-titles p").text,
"description": soup.select_one(".app-text").text.strip()
}
当遇到JavaScript渲染的页面时,可使用Selenium:
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
def get_dynamic_data(app_id):
options = Options()
options.headless = True
driver = webdriver.Chrome(options=options)
driver.get(f"https://app.mi.com/details?id={app_id}")
rating = driver.find_element_by_css_selector(".star1-hover").get_attribute("style")
driver.quit()
return {"rating_width": rating} # 通过CSS宽度解析评分
def extract_basic_info(soup):
return {
"package_name": soup.find("input", {"id": "packageName"})["value"],
"version": soup.find("div", class_="details preventDefault").find_all("li")[1].text.split(":")[1],
"update_time": soup.find("div", class_="details preventDefault").find_all("li")[3].text.split(":")[1]
}
def get_app_comments(app_id, page=1):
url = "https://app.mi.com/commentApi/getComments"
params = {
"appId": app_id,
"page": page,
"pageSize": 10
}
response = requests.post(url, params=params)
return response.json()
注意:小米商店不直接显示下载量,但可通过以下方式估算:
def estimate_downloads(rank_position):
# 基于排行榜位置的估算模型(需自行校准)
return int(1000000 / (rank_position ** 0.7))
headers = {
"Accept": "text/html,application/xhtml+xml",
"Accept-Language": "zh-CN,zh;q=0.9",
"Referer": "https://app.mi.com/",
"X-Requested-With": "com.xiaomi.market"
}
import random
proxies = [
{"http": "http://123.123.123.123:8888"},
{"http": "http://111.222.111.222:9999"}
]
def get_with_proxy(url):
return requests.get(url, proxies=random.choice(proxies))
import time
def slow_crawl(url_list):
for url in url_list:
time.sleep(random.uniform(1.5, 3.0))
requests.get(url)
from pymongo import MongoClient
client = MongoClient('mongodb://localhost:27017/')
db = client['xiaomi_apps']
def save_to_mongo(data):
db.apps.update_one(
{"package_name": data["package_name"]},
{"$set": data},
upsert=True
)
import csv
def save_to_csv(data_list, filename):
with open(filename, 'a', newline='', encoding='utf-8') as f:
writer = csv.DictWriter(f, fieldnames=data_list[0].keys())
writer.writeheader()
writer.writerows(data_list)
def get_education_top100():
results = []
for page in range(1, 4):
data = get_top_apps(category=15, page=page) # 15为教育分类
for app in data:
details = parse_app_page(app['packageName'])
results.append({
**app,
**details
})
return results
import schedule
def daily_monitor():
apps = load_monitor_list() # 从数据库读取监控列表
for app in apps:
new_data = parse_app_page(app['id'])
if new_data['version'] != app['version']:
send_notification(f"{app['name']} 已更新至 {new_data['version']}")
schedule.every().day.at("09:00").do(daily_monitor)
https://app.mi.com/robots.txt
本文介绍了多种Python获取小米应用商店数据的技术方案,建议优先考虑官方API接口。当采用爬虫方案时,应当注意: - 控制请求频率 - 设置合理的超时时间 - 做好异常处理 - 定期维护解析逻辑
完整项目代码建议采用模块化设计:
xiaomi_crawler/
├── crawlers/ # 爬虫核心
├── models/ # 数据模型
├── utils/ # 工具函数
└── config.py # 配置文件
通过合理的技术选型和规范的开发实践,可以高效合规地获取所需数据。 “`
(注:实际字数约2300字,可根据需要扩展具体实现细节或添加更多案例)
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