python, simple mkdir and remove folder

import os

#remove folder

os.system('rm -rf ./folder1/folder2/')

#make folder

os.system('mkdir -pv ./folder1/folder2/')

 

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print pdf from html, python code

#pip install weasyprint

from weasyprint import HTML

#read html

HTML_path = './sample.html'

#convert html2pdf with coordinate

pdf = HTML(HTML_path).write_pdf()

#save pdf

open('sample_weasyprint.pdf', 'wb').write(pdf)

 

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python polygon list to rectangle

 refer to below code:

--

def returnRect(ploygon):

x_list = []

y_list = []

for v in polygon:

x_list.append(v[0])

y_list.append(v[1])

left = min(x_list)

right = max(x_list)

top = min(y_list)

bottom = max(y_list)

return left, top, right, bottom

polygon = [[776.1818181818181, 221.2121212121212], [895.8787878787879, 219.6969696969697], [892.8484848484848, 198.48484848484847], [879.2121212121211, 146.96969696969697], [795.8787878787879, 150.0], [779.2121212121211, 160.6060606060606]]

x1,y1,x2,y2 = returnRect(polygon)

print(x1,y1,x2,y2)

--

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compute_class_weight() takes 1 positional argument but 3 were given

put a explicit parameter name like:

from sklearn.utils import class_weight

class_weights=class_weight.compute_class_weight(class_weight='balanced',classes=np.unique(y),y=y)

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.local/lib/python3.8/site-packages/kaggle/api/kaggle_api_extended.py", line 164, in authenticate raise IOError('Could not find {}. Make sure it\'s located in'

If you are using Linux:

1. pip install kaggle

2. cd ~/.kaggle

3. homepage www.kaggle.com -> Your Account -> Create New API token

4. mv ~/Downloads/kaggle.json ./

5. chmod 600 ./kaggle.json

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install awscli for linux (python)

Try to do these command


>pip install awscli --upgrade --user

>sudo apt install awscli



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Get file list in s3 bucket folder (example python code)

 refer to source code

..

import boto3

import botocore

ACCESS_KEY = '**'

SECRET_KEY = '**'

s3_client = boto3.client(

's3',

aws_access_key_id=ACCESS_KEY,

aws_secret_access_key=SECRET_KEY,

region_name = 'eu-west-1'

)

bucket_name = '***'

folder_name = '***'

#check folder exist

try:

result = s3_client.list_objects_v2(Bucket=bucket_name, Prefix=folder_name )

for o in result['Contents']:

print(o['Key']) #file list in folder

except botocore.exceptions.ClientError as e:

print('no folder exist')

..

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