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Automation & scripting

CLI tools, scheduled jobs, filesystem tasks, and glue scripts that save time.

6 matches

Automatically Generate Charts from CSV Files with One Command

Read a CSV file with headers, extract the first two numeric columns, and save a matplotlib line chart as a PNG image.

import csv
import sys
from pathlib import Path
import matplotlib.pyplot as plt

def generate_chart(csv_path: str) -> None:
    """Read a CSV file with headers and plot the first two numeric columns."""
    data = []
    with open(csv_path, 'r', newline='') as f:
        reader = csv.reader(f)
        headers = next(re…

65 0 Open

Automation & scripting easy

Automatically Log CPU, RAM, and Disk Usage Every Minute in Python

This script logs CPU, RAM, and disk usage to a CSV file every 60 seconds using psutil and Python's standard library.

psutil automation monitoring

Python

import psutil
import time
import csv
from pathlib import Path

LOG_FILE = Path("system_usage_log.csv")
INTERVAL_SECONDS = 60

def log_system_usage():
    """Write CPU, RAM, and disk usage to CSV every minute."""
    file_exists = LOG_FILE.exists()
    with open(LOG_FILE, mode="a", newline="") as f:
        writer = cs…

50 0 Open

Automation & scripting medium

Build a Complete Web Scraper with Requests and BeautifulSoup in Python

Scrape multiple paginated pages from a website using Requests and BeautifulSoup, with retry logic, error handling, and CSV export.

web scraping requests beautifulsoup

Python

import requests
from bs4 import BeautifulSoup
import csv
import time
from typing import List, Dict, Optional

class WebScraper:
    def __init__(self, base_url: str, output_file: str = "scraped_data.csv"):
        self.base_url = base_url
        self.output_file = output_file
        self.session = requests.Session()…

99 0 Open

Automation & scripting easy

Generate a Monthly Report CSV from Log Files in Python

Reads a CSV log file, filters events by a given month, aggregates daily event counts and revenue, and writes a summarized monthly report to a new CSV.

csv logs report

Python

import csv
from collections import defaultdict
from datetime import datetime

def generate_monthly_report(log_file: str, month: str, output_file: str) -> None:
    events_by_date = defaultdict(int)
    revenue_by_date = defaultdict(float)
    
    with open(log_file, 'r') as f:
        for line in f:
            date_…

14 0 Open

Automation & scripting easy

How to Generate an Inventory CSV of Installed pip Packages in Python

This script uses subprocess and csv to list all installed pip packages and write their names and versions into a CSV inventory file.

pip csv subprocess

Python

import subprocess
import csv

def get_installed_packages():
    """Return a list of (name, version) tuples for installed pip packages."""
    result = subprocess.run(
        ["pip", "list", "--format=freeze"],
        capture_output=True,
        text=True,
        check=True
    )
    packages = []
    for line in r…

13 0 Open

Automation & scripting easy

How to Import Users from CSV into LDAP-like Dicts in Python

Reads a CSV of user records and converts each row into an LDAP-style dictionary with standard attributes using Python's csv module.

csv ldap import

Python

import csv
import io
from pathlib import Path


def mock_ldap_import(csv_path):
    """
    Reads a CSV file with user data and returns a list of LDAP-like user dicts.
    Adds standard LDAP attributes that would come from directory schema.
    """
    with open(csv_path, newline="", encoding="utf-8") as csvfile:
    …

14 0 Open

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