メモ：Colaboratoryで個人的に良く使うのに毎回ググったり探し回ったりしているもの

import cv2
from google.colab.patches import cv2_imshow

image = cv2.imread('sample.jpg')
cv2_imshow(image)

# PIL→OpenCV変換
cv_image = cv2.cvtColor(np.array(pil_image), cv2.COLOR_RGB2BGR)
# OpenCV→PIL変換
pil_image = Image.fromarray(cv2.cvtColor(cv_image, cv2.COLOR_BGR2RGB))

import gdown

gdown.download(
    'https://drive.google.com/uc?id=【GoogleドライブのファイルID】',
    '【ファイル名】',
    quiet=False,
)

import io
import base64
from IPython.display import HTML

video = io.open('sample.mp4', 'r+b').read()
encoded = base64.b64encode(video)
HTML("""
    <video alt="test" controls>
        <source src="data:video/mp4;base64,{0}" type="video/mp4">
    </video>
""".format(encoded.decode('ascii')))

file_path = 'sample.py'

with open(file_path) as fp:
    file_lines = fp.read()

file_lines = file_lines.replace(
    "XXXXXXXX",
    "YYYYYYYY",
)

with open(file_path, mode="w") as fp:
    fp.write(file_lines)

%%timeit -n 10 -r 5

value = "値"  # @param {type:"string"}

dropdown = '1'  # @param ["1", "2", "3"] {allow-input: false}

date_input = '2024-08-22'  # @param {type:"date"}

slider = 0.1  # @param {type:"slider", min:-1, max:1, step:0.1}

checkbox = True  # @param {type:"boolean"}

!pip install imread-from-url

import cv2
from imread_from_url import imread_from_url

image = imread_from_url(
    'https://github.com/Kazuhito00/Kazuhito00/blob/master/image/icon350.jpg?raw=true'
)

from tqdm.notebook import tqdm

progress_bar = tqdm(total=frame_count, desc='Processing')
while True:
    # 進捗バーを更新
    progress_bar.update(1)

from google.colab import userdata

api_key = userdata.get('API_KEY')

from google.colab import files
files.download(【ファイル名】)