plotext-demo.py

# prior step done:
# python manage.py dumpdata auth.User --output=users.json --format=json
from collections import Counter
import json

import plotext as plt


def aggregate_users_by_year_month(filename="users.json"):
    cnt = Counter()
    with open(filename) as f:
        data = json.load(f)
        for row in data:
            yy_mm = row["fields"]["date_joined"][:7]
            cnt[yy_mm] += 1
    return cnt


def show_plot(data):
    labels, values = zip(*data.items())
    plt.bar(labels, values)
    plt.title("Pybites Platform User Signups per month")
    plt.show()


if __name__ == "__main__":
    data = aggregate_users_by_year_month()
    show_plot(data)