uweziegenhagen.de

import pandas as pd
from openpyxl import Workbook
from openpyxl.utils.dataframe import dataframe_to_rows
 
 
# output control
files = ['']
 
wb = Workbook()
wb.remove(wb['Sheet'])
 
for index, file in enumerate(files,0):
    temp = pd.read_csv(file + '.csv',sep='\t')
    ws1 = wb.create_sheet()
    ws1.title = file
    rows = dataframe_to_rows(temp, index=False, header=True)
 
    for r_idx, row in enumerate(rows, 1):
        for c_idx, value in enumerate(row, 1):
            ws1.cell(row=r_idx, column=c_idx, value=value)
 
wb.save('files45646.xlsx')
wb.close()

import pandas as pd
 
# initialize data of lists.
data = {'Hersteller': ['VW', 'BMW', 'VW', 'Porsche'],
        'Modell': ['Golf', '1er', 'Polo', '911']}
 
 
df = pd.DataFrame(data)
 
 
print(df,'\n')
 
 
df['Hersteller'] = df['Hersteller'].replace(
    {"VW": "Volkswagen", "Horch": "Audi"})
 
 
print(df)

import duckdb as ddb
import pandas as pd
 
con = ddb.connect(':memory:')
 
con_p = ddb.connect('my_database.db')
 
con_p.execute('CREATE OR REPLACE TABLE telefonnummern(fullname VARCHAR,phone VARCHAR);')
 
 
con_p.execute("INSERT INTO telefonnummern VALUES ('Max Mustermann', '0123-4567890')")
 
print(con_p.sql('SHOW ALL TABLES'))
 
print(con_p.sql('SELECT * FROM telefonnummern;'))
 
 
ddb_object = con_p.sql('SELECT * FROM telefonnummern;')
 
df = ddb_object.to_df()
 
ddb_tuple = ddb_object.fetchall()
 
print(df)
 
print(ddb_tuple)

"""
icecream examples
"""
 
 
from icecream import ic
 
# define some function
def addiere(x, y):
    return x + y
 
# call ice
ic(addiere(1, 2))
 
# Output:
# ic| addiere(1, 2): 3
 
 
d = {'i': 2, 'j': 3, 'k': 4711}
ic(d['k'])
 
 
struct = {
    "hersteller": "VW",
    "modell": "Golf",
    "Farben": ["gelb", "rot"]
}
 
ic(struct)
 
ic.disable()
ic(struct) # no output
ic.enable()
 
 
def logstuff(text):
    # log to output file
    print(text)
 
 
ic.configureOutput(prefix="Hallo| ", outputFunction=logstuff)
 
ic(addiere(7, 7))
 
 
ic.configureOutput(prefix="Welt| ", outputFunction=logstuff)
 
ic(addiere(7, 7))

import os
import paramiko
 
# Replace these variables with your specific values
host = '192.168.0.22'
port = 22
username = '<user>'
private_key_path = 'keyfile'
remote_directory_path = '/home/uwe/uploadtest'
local_directory_path = 'E:/uploadtest'
 
 
# Establish an SSH transport session
private_key = paramiko.RSAKey(filename=private_key_path)
transport = paramiko.Transport((host, port))
transport.connect(username=username, pkey=private_key)
 
# Create an SFTP client
sftp = paramiko.SFTPClient.from_transport(transport)
 
try:
    # Iterate through local files in the specified folder
    for local_file in os.listdir(local_directory_path):
        local_file_path = os.path.join(local_directory_path, local_file)
 
        # Check if the file is a CSV file
        if os.path.isfile(local_file_path): # and local_file.lower().endswith('.csv'):
            remote_file_path = os.path.join(remote_directory_path, local_file)
 
            # Upload the CSV file
            sftp.put(local_file_path, remote_file_path)
            print(f"Uploaded: {local_file} to {remote_file_path}")
 
finally:
    # Close the SFTP session and SSH transport
    sftp.close()
    transport.close()

import os
import paramiko
 
# Replace these variables with your specific values
host = '192.168.0.238'
port = 22
username = '<user>'
private_key_path = '<keyfile>'
remote_directory_path = '/home/uwe/downloadtest'
local_directory_path = 'E:/downloadtest'
 
# Establish SSH connection
try:
    # Create a new SSH client
    ssh_client = paramiko.SSHClient()
 
    # Automatically add the server's host key
    ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
 
    # Load the private key for authentication
    private_key = paramiko.RSAKey.from_private_key_file(private_key_path)
 
    # Connect to the server
    ssh_client.connect(hostname=host, port=port, username=username, pkey=private_key)
 
    # Open an SFTP session on the SSH connection
    sftp = ssh_client.open_sftp()
 
    # Change to the remote directory
    sftp.chdir(remote_directory_path)
 
    # List all files in the remote directory
    files = sftp.listdir()
 
    # Download each CSV file in the remote directory
 
    for file_name in files:
        # os path join uses system slashes, must make sure they are right
        remote_file_path = os.path.join(remote_directory_path, file_name).replace("\\","/")
        local_file_path = os.path.join(local_directory_path, file_name).replace("\\","/")
        print(remote_file_path, local_file_path)
 
        # Check if the file is a CSV file
        if file_name.lower().endswith('.txt'):
            sftp.get(remote_file_path, local_file_path)
            print(f"File '{file_name}' downloaded successfully to '{local_directory_path}'")
 
    # Close the SFTP session and SSH connection
    sftp.close()
    ssh_client.close()
 
except paramiko.AuthenticationException:
    print("Authentication failed. Please check your credentials or SSH key path.")
except paramiko.SSHException as e:
    print(f"SSH connection failed: {e}")
except FileNotFoundError:
    print("File not found. Please provide the correct file paths.")
except Exception as e:
    print(f"An error occurred: {e}")