这段代码使用了python的requests库来发送http post请求,向本地服务器的api发送数据,并处理响应。接下来我会一步步解释这个代码,并用中文回答。 
import requests 
import json 
url = "http://localhost:11434/api/generate"
headers = {
    "content-type": "application/json"
}
data = {
    "model": "qwen2:0.5b",
    "prompt": "why is the sky black? answer in chinese.",
    "stream": false
}
response = requests.post(url, headers=headers, data=json.dumps(data))
print(response.text)
if response.status_code == 200:
    response_text = response.text
    data = json.loads(response_text)
    actual_response = data["response"]
    print(actual_response)
else:
    print("error:", response.status_code, response.text)
{
    "model": "qwen2:0.5b",
    "created_at": "2024-08-22t06:20:16.768091631z",
    "response": "天空为什么是黑色的?因为光线穿过大气层时,会受到不同的散射现象影响。具体来说,大气分子(如氮气、氧气等)和水蒸气阻止了阳光中的大部分波长光线,导致太阳光中只有红、橙、黄、绿、蓝五颜六色的光线被散射;而蓝色、紫色光线则被吸收并反射回去。结果就是天空呈现出黑色。",
    "done": true,
    "done_reason": "stop",
    "context": [
        151644,872,198,10234,374,279,12884,3691,30,21806,304,8453,13,151645,198,151644,77091,198,101916,100678,20412,104723,9370,11319,99519,109587,109239,105797,99371,13343,3837,36993,100683,101970,99632,99759,102060,99564,1773,100398,99883,3837,105797,102388,9909,29524,109958,99180,5373,115893,49567,7552,33108,52510,101494,99180,107345,34187,104166,101047,101212,99804,45861,109587,3837,100673,101281,99225,15946,101043,99425,5373,107678,5373,99789,5373,99679,5373,100400,75108,100847,99566,38035,9370,109587,99250,99632,99759,24968,68536,105681,5373,111413,109587,46448,99250,104460,62926,111192,104748,1773,59151,99486,101916,107433,104723,1773
    ],
    "total_duration": 3086970885,
    "load_duration": 48652771,
    "prompt_eval_count": 18,
    "prompt_eval_duration": 53432000,
    "eval_count": 90,
    "eval_duration": 2943180000
}导入库:
import requests import json
代码首先导入了requests库用于发送http请求,以及json库用于处理json数据。
定义url和请求头:
url = "http://localhost:11434/api/generate"
headers = {
    "content-type": "application/json"
}这里定义了请求的目标url,即本地服务器上运行的api接口http://localhost:11434/api/generate。同时,定义了请求头,指定content-type为application/json,表示请求体中传递的数据格式为json。
创建请求体数据:
data = {
    "model": "qwen2:0.5b",
    "prompt": "why is the sky black? answer in chinese.",
    "stream": false
}data字典包含三个键值对:
"model": 指定使用的模型,这里是qwen2:0.5b。"prompt": 提供的提示问题,这里是“why is the sky black? answer in chinese.”。"stream": 表示是否希望服务器以流式方式返回数据,这里设为false。
发送post请求并获取响应:
response = requests.post(url, headers=headers, data=json.dumps(data)) print(response.text)
使用requests.post()方法发送post请求,传递目标url、请求头和请求体数据。然后打印服务器的响应内容。
处理响应:
if response.status_code == 200:
    response_text = response.text
    data = json.loads(response_text)
    actual_response = data["response"]
    print(actual_response)
else:
    print("error:", response.status_code, response.text)首先检查响应的状态码是否为200(表示请求成功)。如果成功,解析响应文本为json格式,并提取实际的回答内容。否则,打印错误信息。
示例输出:
如果服务器正常运行并能处理请求,输出可能会是:
{
    "response": "因为天空在没有太阳的情况下没有被光线照亮,所以看起来是黑色的。"
}程序会提取并打印 "因为天空在没有太阳的情况下没有被光线照亮,所以看起来是黑色的。"。
            
                                            
                                            
                                            
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