Merge pull request binjie09#13 from Zyx-A/main

提供POST支持，提供DDG的answers、images、videos搜索，提供异步支持

app.py

@@ -1,9 +1,81 @@
+from itertools import islice
+
+from duckduckgo_search import DDGS
 from flask import Flask, request
-from api.index import search
+
 app = Flask(__name__)
 
 
-app.route('/search')(search)
+def run():
+    if request.method == 'POST':
+        keywords = request.form['q']
+        max_results = int(request.form.get('max_results', 10))
+    else:
+        keywords = request.args.get('q')
+        # 从请求参数中获取最大结果数，如果未指定，则默认为10
+        max_results = int(request.args.get('max_results', 10))
+    return keywords, max_results
+
+
+@app.route('/search', methods=['GET', 'POST'])
+async def search():
+    keywords, max_results = run()
+    results = []
+    with DDGS() as ddgs:
+        # 使用DuckDuckGo搜索关键词
+        ddgs_gen = ddgs.text(keywords, safesearch='Off', timelimit='y', backend="lite")
+        # 从搜索结果中获取最大结果数
+        for r in islice(ddgs_gen, max_results):
+            results.append(r)
+
+    # 返回一个json响应，包含搜索结果
+    return {'results': results}
+
+
+@app.route('/searchAnswers', methods=['GET', 'POST'])
+async def search_answers():
+    keywords, max_results = run()
+    results = []
+    with DDGS() as ddgs:
+        # 使用DuckDuckGo搜索关键词
+        ddgs_gen = ddgs.answers(keywords)
+        # 从搜索结果中获取最大结果数
+        for r in islice(ddgs_gen, max_results):
+            results.append(r)
+
+    # 返回一个json响应，包含搜索结果
+    return {'results': results}
+
+
+@app.route('/searchImages', methods=['GET', 'POST'])
+async def search_images():
+    keywords, max_results = run()
+    results = []
+    with DDGS() as ddgs:
+        # 使用DuckDuckGo搜索关键词
+        ddgs_gen = ddgs.images(keywords, safesearch='Off', timelimit=None)
+        # 从搜索结果中获取最大结果数
+        for r in islice(ddgs_gen, max_results):
+            results.append(r)
+
+    # 返回一个json响应，包含搜索结果
+    return {'results': results}
+
+
+@app.route('/searchVideos', methods=['GET', 'POST'])
+async def search_videos():
+    keywords, max_results = run()
+    results = []
+    with DDGS() as ddgs:
+        # 使用DuckDuckGo搜索关键词
+        ddgs_gen = ddgs.videos(keywords, safesearch='Off', timelimit=None, resolution="high")
+        # 从搜索结果中获取最大结果数
+        for r in islice(ddgs_gen, max_results):
+            results.append(r)
+
+    # 返回一个json响应，包含搜索结果
+    return {'results': results}
+
 
 if __name__ == '__main__':
     app.run(host='0.0.0.0', port=8000)

requirements.txt

@@ -13,3 +13,4 @@ requests>=2.28.2
 urllib3==1.26.15
 Werkzeug==2.2.3
 zipp==3.15.0
+flask[async]