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A simple package intended to help write iterables of objects to CSV files

Project description


List2CSV is a simple package that helps with writing lists of objects to CSV files.

The main class Writer takes a writable file as a parameter and can have various fields added with format specifiers. Fields can either be instance attribute names or functions that map an object to some value. For example:

from dataclasses import dataclass
from statistics import mean
from list2csv import Writer

class Student:
    student_id: str
    test_mark: float
    lab_marks: list[float]

students = [
    Student('abcd123', 78.5, [92.3, 98, 100, 70]),
    Student('efgh456', 62, [98, 68.2, 0, 93.5]),
    Student('ijkl789', 100, [100, 100, 98.7, 100]),

with open('student_overview.csv', 'w') as f:
    writer = Writer(f)
    writer.add_field('ID', 'student_id')
    writer.add_field('Test Mark', 'test_mark', '{:.2f}')
    writer.add_field('Average Lab Mark', lambda s: mean(s.lab_marks), '{:.2f}')


Would produce the following table:

ID Test Mark Average Lab Mark
abcd123 78.50 90.08
efgh456 62.00 64.92
ijkl789 100.00 99.67

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