Demo Start Your First Session

# members_reader.py
import csv

def read_members():
    try:
        with open('members.csv', 'r', newline='', encoding='utf-8') as file:
            reader = csv.DictReader(file)
            for row in reader:
                first_name = row.get('first_name', row.get('First Name', ''))
                last_name = row.get('last_name', row.get('Last Name', ''))
                print(f"{first_name} {last_name}")
    except FileNotFoundError:
        print("Error: members.csv file not found")
    except Exception as e:
        print(f"Error reading file: {e}")

if __name__ == "__main__":
    read_members()

Read README.md for important project information
Create CLAUDE.md file with essential information

• Write(CLAUDE.md)

Opened changes in Visual Studio Code
Save file to continue...

Do you want to make this edit to CLAUDE.md?
> 1. Yes
  2. Yes, and don't ask again this session (shift+tab)
  3. No, and tell Claude what to do differently (esc)

Bash(mkdir -p csv_member_reader/{csv_member_reader,tests,examples,docs})
└ Running...

Bash command:
mkdir -p csv_member_reader/{csv_member_reader,tests,examples,docs}
Create proper Python package directory structure

Do you want to proceed?
> 1. Yes
  2. Yes, and don't ask again for mkdir commands in /Users/jeremy/demos/my-awesome-project
  3. No, and tell Claude what to do differently (esc)

"""
CSV Member Reader - A Python package for reading and
processing member data from CSV files.
"""

from .reader import CSVMemberReader, MemberData
from .exceptions import CSVMemberReaderError, FileNotFoundError, InvalidDataError

__version__ = "0.1.0"

__all__ = [
    "CSVMemberReader",
    "MemberData",
    "CSVMemberReaderError",
    "FileNotFoundError",
    "InvalidDataError",
]

"""Custom exceptions for CSV Member Reader."""

class CSVMemberReaderError(Exception):
    """Base exception for CSV Member Reader."""
    pass

class FileNotFoundError(CSVMemberReaderError):
    """Raised when the CSV file is not found."""
    pass

class InvalidDataError(CSVMemberReaderError):
    """Raised when the CSV data is invalid or malformed."""
    pass

"""Core CSV member reading functionality."""

import csv
import logging
from typing import Iterator, Optional, Dict, Any, List
from dataclasses import dataclass
from pathlib import Path

from .exceptions import FileNotFoundError, InvalidDataError

logger = logging.getLogger(__name__)

@dataclass
class MemberData:
    """Data class representing a member record."""
    id: Optional[str] = None
    first_name: str = ""
    last_name: str = ""
    # additional fields...

[tool.black]
line-length = 88
target-version = ['py38']

[tool.mypy]
python_version = "3.8"
warn_return_any = true
warn_unused_configs = true
disallow_untyped_defs = true

[tool.pytest.ini_options]
testpaths = ["tests"]
python_files = ["test_*.py"]
addopts = "--cov=csv_member_reader --cov-report=html --cov-report=term-missing"

# Create project structure
mkdir -p csv_member_reader/{csv_member_reader,tests,examples,docs}

# Make CLI script executable (if created)
chmod +x scripts/csv-member-reader

pip3 install -e ".[dev]"