V2版本官网:萌部随机图片v2测试

URL: https://service-djbqi6pz-1306777571.sh.apigw.tencentcs.com/release/

默认的输出格式是jpeg,可以使用form参数来修改输出格式,现在测试jpeg格式最快,全国响应都在0.5s左右

但是需要注意的是，因为云函数需要在访问的时候开启一个实例，所以第一次访问会比较慢

URL: https://service-djbqi6pz-1306777571.sh.apigw.tencentcs.com/release/index.py?form=jpeg

所以特别推荐使用webp格式!!!如果不用,那我就强制改成必要用吧(嘻嘻嘻嘻

还支持id参数,例子:

index.py (1920×1080)

这次使用直接输出图片二进制流,避免图片直链,保证可用性

源代码:

import KamitaTomoe.output as output
# import KamitaTomoe.html as html
import KamitaTomoe.gain as gain
# import KamitaTomoe.session as session
chdir()
from PIL import Image
from io import BytesIO
from random import choice,randint
import os
import json
url = 'http://127.0.0.1:8888/?'
def GetAllFileNamesUnderTheDirectory(): #获取目录下所有文件名
    root = './img'
    path = os.path.join(root)
    filenames = os.listdir(path)
    pathnames = [os.path.join(path, filename) for filename in filenames]
    return pathnames
def ImageZoom(width,p_img): #图像缩放
    '''Parameters:
    Width: width of the target image
    p_ Img: PIL object'''
    widths, height = p_img.size   # 获取宽高
    fdl = width/widths #缩放率
    p_img = p_img.resize((int(widths*fdl), int(height*fdl)), Image.ANTIALIAS)
    return p_img
def Picture_stream():
    def load(id = None):
        pathnames = GetAllFileNamesUnderTheDirectory()
        if(id != None):
            id = int(id)
            #choice(pathnames) 随机
            try: #id正确的情况
                with open(pathnames[id], 'rb') as f:
                    im = f.read()
            except: #id错误的情况
                output.echo('id错误', 'text/html')
        else:
            with open(choice(pathnames), 'rb' ) as f:
                im = f.read()
        return Image.open(BytesIO(im))   # BytesIO实现了在内存中读写Bytes
        #->return p_img
    def PilTob(p_img,mode,widths=1920): # PIL 转二进制
        b_img = BytesIO()   # 创建一个空的Bytes对象
        ImageZoom(widths,p_img).save(b_img, format=mode) # 保存为jpg格式
        return b_img.getvalue()
    if(gain.gets('id') != None):
        p_img = load(gain.gets('id'))
    else:
        p_img = load()
    if(gain.gets('form') != None):
        try:
            # 格式输入正确
            output.echo(PilTob(p_img,gain.gets('form')),f'''image/{gain.gets('form')}''')
        except:
            output.echo('格式输入错误', 'text/html')
    else:
        output.echo(PilTob(p_img,'webp'),'image/webp')
def json_output():
    pathnames = GetAllFileNamesUnderTheDirectory()
    outputdict = {'url':f'{url}'} #需要输出的字典
    changedict = {}
    if(gain.gets('id') != None):
        changedict['id'] = gain.gets('id')
    else:
        changedict['id'] = randint(0,len(pathnames)-1)
    if(gain.gets('form') != None):
        changedict['form'] = gain.gets('form')
    else:
        changedict['form'] = 'webp'
    for k,v in changedict.items():
        outputdict[k] = v
        outputdict['url'] += f'{k}={v}&'
    output.echo(json.dumps(outputdict),'text/json')



if(gain.gets('output')=='json'):
    json_output()
elif(gain.gets('output')=='TotalNumberOfImages'): #图像总数
    output.echo(len(GetAllFileNamesUnderTheDirectory()),'text/html')
else:
    Picture_stream()