A reusable Django app that adds CSV export functionality to the Django admin with:

• A modal dialog for selecting fields to export
• Streaming CSV responses (handles large querysets without memory issues)
• Secure logging to prevent log injection attacks
• Auto-generated filenames with timestamps

• 📊 CSV export directly from the Django Admin.
• ⚡ Memory-efficient streaming (great for large datasets).
• 🔒 Safe logging + filename sanitization.
• 🎛️ User-friendly modal for field selection.
• 🛠️ Configurable (choose/export fields, exclude sensitive ones, set chunk size, custom filenames).

1. Copy the csv_export_mixin module into your Django project.
2. Add your custom admin class with the mixin.

.
├── csv_export_mixin
│   ├── csv_export_mixin.py
│   ├── csv_export_utils.py
│   └── __init__.py
├── LICENSE
├── README.md
└── utils
    ├── csv_export.html
    ├── csv_export.js
    └── csv_export_modal.png

from django.contrib import admin
from myapp.csv_export import CSVExportMixin
from .models import MyModel

@admin.register(MyModel)
class MyModelAdmin(CSVExportMixin, admin.ModelAdmin):
    csv_filename = "my_model_export.csv"
    csv_exclude_fields = ("password", "internal_notes")  # optional

• Select record(s) (or all records).
• Choose "Export selected fields as CSV" action.
• A modal will pop up where you select which fields to export.
• Download the CSV instantly. 🎉

👉 Here’s how the field selection modal looks inside Django Admin:

Generated filename format:

my_model_export_2025-08-28_08-00.csv

Headers are automatically generated from field names (underscores → spaces, Title Case).

• Sanitizes all log messages (prevents log injection attacks).
• Filters invalid characters from filenames.
• Handles row-level errors gracefully (skips bad rows instead of breaking).
• Clears modal form data after each export to prevent accidental leaks.

This project is licensed under the MIT License.

• Name: Usman Ghani
• GitHub: usman-369
•