練習requests & 用opencv VideoCapture看網路圖

print('練習requests & 用opencv VideoCapture看網路圖')

!pip install opencv-python

import requests
r=requests.get('https://stats.moe.gov.tw/files/detail/109/109_student.csv')

s=r.text
print(s[0:s.find('\r\n')])


s=r.text
s0=s[s.find('科技大學'):]
i=s0.rfind('科技大學')
i


s.count('科技大學')

?str.find

t=s0[0:s0.find('\r\n',i)]
t

#下面捉網路狗狗圖檔
url='https://random.dog/woof.json'
r2=requests.get(url)
data=r2.json()
data

import cv2

cap=cv2.VideoCapture(data['url'])
_,m=cap.read()
cv2.imshow(data['url'],m)
cv2.waitKey(0)
cv2.destroyAllWindows()

#如果要取得隨機柴犬，請試
url='https://shibe.online/api/shibes?count=1&urls=true&httpsUrls=true'
r3=requests.get(url)
data=r3.json()
data

如果是mp4要怎麼改

cap=cv2.VideoCapture(data['url'])
print(data['url'])
while True:
    ret,m=cap.read()
    if ret==False:
        break
    size=m.shape
    m=cv2.resize(m, (608, int(608/size[1]*size[0])))
    cv2.imshow(data['url'],m)
    if data['url'].find('.mp4')==-1 :
        cv2.waitKey(0)
    else:
        cv2.waitKey(32)       
cv2.destroyAllWindows()