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python+tkinter实现GUI界面调用即梦AI文生图片API接口

news 2025/5/31 0:18:20

背景

目前字节跳动公司提供了即梦AI的接口免费试用，但是并发量只有1，不过足够我们使用了。我这里想做个使用python+tkinter实现的GUI可视化界面客户端，这样就不用每次都登录官方网站去进行文生图片，当然文生视频，或者图生视频也是如此的逻辑。

实现思路

1. 编写一个窗口

2. 窗口放置一个文本输入框，一个按钮和一个消息对话框就可以了

最后界面如下：

3. 给按钮绑定事件函数，当用户输入文字提示词后，点击按钮则生成对应的图片

4. 获取生成的图片链接地址，然后通过打开图片将图片写入对话框中 

Tkinter的python实现代码 

import time
import tkinter
from tkinter import scrolledtext, END, RAISED
from io import BytesIO
import requests
from tttt.ai_chat import AI_chat
from PIL import Image, ImageTk
from tttt.play_voice import play_audio
from tttt.record_voice import record_audio
from tttt.streaming_asr_demo import test_one
from tttt.voice_generate import txt_to_voice
from tttt.即梦AI文生图片 import txt_to_image# 创建根窗口
root = tkinter.Tk()
# 设置属性
root.title('即梦AI文生图片python客户端')
# 设置窗口大小
root.geometry("650x560")# 文本历史记录
txt_history = scrolledtext.ScrolledText(root, width=80, height=30)
txt_history.tag_config('green', foreground='#008B00')
txt_history.tag_config('red', foreground='#FF0000')
txt_history.grid(column=0, row=0, columnspan=3, padx=10, pady=10)# 标签
lbl = tkinter.Label(root, text="请输入文字:")
lbl.grid(column=0, row=1, padx=5, pady=5)# 文本输入框
txt_input = tkinter.Entry(root, width=50)
txt_input.grid(column=1, row=1, padx=5, pady=5)# 按钮样式
button_style = {"font": ("Arial", 10, "bold"),  # 字体样式"bg": "#4CAF50",  # 背景颜色"fg": "white",  # 文字颜色"activebackground": "#45a049",  # 按钮按下时的背景颜色"activeforeground": "white",  # 按钮按下时的文字颜色"relief": RAISED,  # 按钮边框样式"bd": 2,  # 按钮边框宽度"padx": 5,  # 按钮内部水平方向的填充"pady": 5  # 按钮内部垂直方向的填充
}# 从网页下载图片并加载
def download_and_display_image(url):try:response = requests.get(url)response.raise_for_status()  # 确保请求成功image_data = BytesIO(response.content)image = Image.open(image_data)photo = ImageTk.PhotoImage(image)# 在历史消息对话框中插入图片txt_history.image = photo  # 保持对PhotoImage的引用，防止被垃圾回收txt_history.insert(END, "\n")txt_history.image_create(END, image=photo)txt_history.insert(END, "\n")except requests.RequestException as e:txt_history.insert(END, f"无法下载图片: {e}\n")# 发送文生图片
def txt_generate_image():# 获取输入框文本内容user_message = txt_input.get()# 将用户输入的内容插入对话框中txt_history.insert(END, '即梦AI：' + time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) + '\n','purple')  # 将输入的内容添加到文本历史记录中txt_history.insert(END, "正在请求处理中..." + "\n")try:# 文生图片接口image_path = txt_to_image(user_message)if image_path:# 清空输入框txt_input.delete(0, END)# 清空所有历史记录txt_history.delete("1.0", END)# 插入最新消息txt_history.insert(END, "成功生成图片如下" + "\n")# 显示图片到历史对话框中download_and_display_image(image_path)except Exception as e:txt_history.insert(END, "后台处理失败，原因如下:" + "\n")txt_history.insert(END, str(e) + "\n")btn = tkinter.Button(root, text="文生图片", command=txt_generate_image, **button_style)
btn.grid(column=1, row=3, padx=5, pady=5)# 运行主窗口
root.mainloop()

火山引擎的即梦AI接口及改造

即梦AI文生图片接口文档

即梦AI-图像生成--即梦AI-火山引擎

http接口示例：

import json
import sys
import os
import base64
import datetime
import hashlib
import hmac
import requestsmethod = 'POST'
host = 'visual.volcengineapi.com'
region = 'cn-north-1'
endpoint = 'https://visual.volcengineapi.com'
service = 'cv'def sign(key, msg):return hmac.new(key, msg.encode('utf-8'), hashlib.sha256).digest()def getSignatureKey(key, dateStamp, regionName, serviceName):kDate = sign(key.encode('utf-8'), dateStamp)kRegion = sign(kDate, regionName)kService = sign(kRegion, serviceName)kSigning = sign(kService, 'request')return kSigningdef formatQuery(parameters):request_parameters_init = ''for key in sorted(parameters):request_parameters_init += key + '=' + parameters[key] + '&'request_parameters = request_parameters_init[:-1]return request_parametersdef signV4Request(access_key, secret_key, service, req_query, req_body):if access_key is None or secret_key is None:print('No access key is available.')sys.exit()t = datetime.datetime.utcnow()current_date = t.strftime('%Y%m%dT%H%M%SZ')# current_date = '20210818T095729Z'datestamp = t.strftime('%Y%m%d')  # Date w/o time, used in credential scopecanonical_uri = '/'canonical_querystring = req_querysigned_headers = 'content-type;host;x-content-sha256;x-date'payload_hash = hashlib.sha256(req_body.encode('utf-8')).hexdigest()content_type = 'application/json'canonical_headers = 'content-type:' + content_type + '\n' + 'host:' + host + \'\n' + 'x-content-sha256:' + payload_hash + \'\n' + 'x-date:' + current_date + '\n'canonical_request = method + '\n' + canonical_uri + '\n' + canonical_querystring + \'\n' + canonical_headers + '\n' + signed_headers + '\n' + payload_hash# print(canonical_request)algorithm = 'HMAC-SHA256'credential_scope = datestamp + '/' + region + '/' + service + '/' + 'request'string_to_sign = algorithm + '\n' + current_date + '\n' + credential_scope + '\n' + hashlib.sha256(canonical_request.encode('utf-8')).hexdigest()# print(string_to_sign)signing_key = getSignatureKey(secret_key, datestamp, region, service)# print(signing_key)signature = hmac.new(signing_key, (string_to_sign).encode('utf-8'), hashlib.sha256).hexdigest()# print(signature)authorization_header = algorithm + ' ' + 'Credential=' + access_key + '/' + \credential_scope + ', ' + 'SignedHeaders=' + \signed_headers + ', ' + 'Signature=' + signature# print(authorization_header)headers = {'X-Date': current_date,'Authorization': authorization_header,'X-Content-Sha256': payload_hash,'Content-Type': content_type}# print(headers)# ************* SEND THE REQUEST *************request_url = endpoint + '?' + canonical_querystringprint('\nBEGIN REQUEST++++++++++++++++++++++++++++++++++++')print('Request URL = ' + request_url)try:r = requests.post(request_url, headers=headers, data=req_body)except Exception as err:print(f'error occurred: {err}')raiseelse:print('\nRESPONSE++++++++++++++++++++++++++++++++++++')print(f'Response code: {r.status_code}\n')# 使用 replace 方法将 \u0026 替换为 &resp_str = r.text.replace("\\u0026", "&")print(f'Response body: {resp_str}\n')if __name__ == "__main__":# 请求凭证，从访问控制申请access_key = 'AK*****'secret_key = '*****=='# 请求Query，按照接口文档中填入即可query_params = {'Action': 'CVProcess','Version': '2022-08-31',}formatted_query = formatQuery(query_params)# 请求Body，按照接口文档中填入即可body_params = {"req_key": "******",# ......}formatted_body = json.dumps(body_params)signV4Request(access_key, secret_key, service,formatted_query, formatted_body)

这里要求我们开通服务，并创建对应的AK和SK

账号登录-火山引擎欢迎登录火山引擎，火山引擎是字节跳动旗下的云服务平台。https://console.volcengine.com/ai/ability/info/104

账号登录-火山引擎

这里我已经开通了，自行选择开通试用就行，不需要点击正式调用，不然收费

 

接口改造

原来的接口只能查看是否调用成功，我们想获取图片地址，并将图片显示在对话框中，因此需要获取返回值，请求体里面加了"return_url":True，就是用来获取图片地址的。同时将认证的AK和SK也填充到自定义函数中，这样接口地址可以正常使用认证并返回我们要的结果。

import json
import sys
import os
import base64
import datetime
import hashlib
import hmac
import requestsmethod = 'POST'
host = 'visual.volcengineapi.com'
region = 'cn-north-1'
endpoint = 'https://visual.volcengineapi.com'
service = 'cv'def sign(key, msg):return hmac.new(key, msg.encode('utf-8'), hashlib.sha256).digest()def getSignatureKey(key, dateStamp, regionName, serviceName):kDate = sign(key.encode('utf-8'), dateStamp)kRegion = sign(kDate, regionName)kService = sign(kRegion, serviceName)kSigning = sign(kService, 'request')return kSigningdef formatQuery(parameters):request_parameters_init = ''for key in sorted(parameters):request_parameters_init += key + '=' + parameters[key] + '&'request_parameters = request_parameters_init[:-1]return request_parametersdef signV4Request(access_key, secret_key, service, req_query, req_body):if access_key is None or secret_key is None:print('No access key is available.')sys.exit()t = datetime.datetime.utcnow()current_date = t.strftime('%Y%m%dT%H%M%SZ')# current_date = '20210818T095729Z'datestamp = t.strftime('%Y%m%d')  # Date w/o time, used in credential scopecanonical_uri = '/'canonical_querystring = req_querysigned_headers = 'content-type;host;x-content-sha256;x-date'payload_hash = hashlib.sha256(req_body.encode('utf-8')).hexdigest()content_type = 'application/json'canonical_headers = 'content-type:' + content_type + '\n' + 'host:' + host + \'\n' + 'x-content-sha256:' + payload_hash + \'\n' + 'x-date:' + current_date + '\n'canonical_request = method + '\n' + canonical_uri + '\n' + canonical_querystring + \'\n' + canonical_headers + '\n' + signed_headers + '\n' + payload_hash# print(canonical_request)algorithm = 'HMAC-SHA256'credential_scope = datestamp + '/' + region + '/' + service + '/' + 'request'string_to_sign = algorithm + '\n' + current_date + '\n' + credential_scope + '\n' + hashlib.sha256(canonical_request.encode('utf-8')).hexdigest()# print(string_to_sign)signing_key = getSignatureKey(secret_key, datestamp, region, service)# print(signing_key)signature = hmac.new(signing_key, (string_to_sign).encode('utf-8'), hashlib.sha256).hexdigest()# print(signature)authorization_header = algorithm + ' ' + 'Credential=' + access_key + '/' + \credential_scope + ', ' + 'SignedHeaders=' + \signed_headers + ', ' + 'Signature=' + signature# print(authorization_header)headers = {'X-Date': current_date,'Authorization': authorization_header,'X-Content-Sha256': payload_hash,'Content-Type': content_type}# print(headers)# ************* SEND THE REQUEST *************request_url = endpoint + '?' + canonical_querystringprint('\nBEGIN REQUEST++++++++++++++++++++++++++++++++++++')# print('Request URL = ' + request_url)try:r = requests.post(request_url, headers=headers, data=req_body)except Exception as err:print(f'error occurred: {err}')raiseelse:# print('\nRESPONSE++++++++++++++++++++++++++++++++++++')print(f'Response code: {r.status_code}\n')# 注释调原来的返回处理，我们不需要文本类型的，我们需要json格式的# 使用 replace 方法将 \u0026 替换为 &# resp_str = r.text.replace("\\u0026", "&")# print(f'Response body: {resp_str}\n')# 获取json类型的返回对象，可进行数据处理，获取返回的image_urlprint(r.json()['data']['image_urls'][0])return r.json()['data']['image_urls'][0]def txt_to_image(prompt_text):# 请求凭证，从访问控制申请access_key = ''secret_key = ''# 请求Query，按照接口文档中填入即可query_params = {'Action': 'CVProcess','Version': '2022-08-31',}formatted_query = formatQuery(query_params)# 请求Body，按照接口文档中填入即可body_params = {"req_key": "jimeng_high_aes_general_v21_L","prompt": prompt_text,"return_url": True}formatted_body = json.dumps(body_params)image_url = signV4Request(access_key, secret_key, service,formatted_query, formatted_body)return image_urlif __name__ == "__main__":txt_to_image('一张海报,上面文字写着:"新年快乐"')

请求的body体两个参数必填，因此在body_params中必须放置，其中req_key取固定值，prompt就是我们的输入框中的文本提示词。

测试结果：

到这里就大功告成了！可以愉快的玩耍了 

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