Eones 1.2.0

Elegant time manipulation and reasoning library

Eones

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Compatible with Python 3.9+ · No external dependencies · Portable and lightweight

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✨ What is Eones?

Eones is a minimalist, dependency-free library for expressive, clear, and powerful date/time manipulation. Inspired by natural language semantics, it allows you to manipulate, compare, and transform dates as if they were living entities.

“That is not dead which can eternal lie, and with strange aeons even death may die.”
— Abdul Alhazred, Necronomicon

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📦 Installation

pip install "eones"

If you're working with timezones on Windows or containers:
⚠️ Also install tzdata:

pip install tzdata

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🧪 Basic Example

from eones import Eones

z = Eones("2025-06-15")
z.add(months=1, days=3)  # -> add 3 days and 1 month

print(z.format("%Y-%m-%d"))  # → 2025-07-18
print(z.diff_for_humans("2025-06-10"))  # → in 5 days
print(z.diff_for_humans("2025-06-20", locale="es"))  # → hace 5 días

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🔍 Key Features

• ✅ Automatic parsing for str, dict, datetime, Eones
• ✅ Add/subtract days, months, years, minutes, seconds
• ✅ Date comparison (same week, within year, between ranges)
• ✅ Full day/month/year ranges
• ✅ Truncation and rounding by unit
• ✅ Full support for ZoneInfo (PEP 615)
• ✅ Zero external dependencies
• ✅ Conversion to datetime, date, and native types
• ✅ Human-friendly differences via diff_for_humans with locale support

You can add more languages by creating a new file in eones/locales/ with the translations for your locale. For example, fr.py for French.

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🧾 Comparison with other libraries

Feature	Eones	Pendulum	Arrow	Delorean	dateutil	pytz
Modern, consistent API	✅	✅	✅	⚠️	❌	❌
Date arithmetic (add/subtract)	✅	✅	✅	✅	❌	❌
Flexible parsing (string, dict, dt)	✅	✅	✅	⚠️	✅	❌
Native timezone support	✅	✅	✅	✅	⚠️	✅
No external dependencies	✅	❌	❌	❌	❌	❌
Coverage tested ≥ 97%	✅	❓	❓	❌	❌	❌
Can replace native datetime directly	✅	✅	✅	❌	❌	❌
Permissive license (MIT / BSD)	✅	✅	✅	✅	✅	✅
Actively maintained	✅	✅	✅	❌	✅	⚠️

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📚 Advanced Examples

You can find more usage examples in:

• examples/basic_usage.py
• examples/advanced_usage.py
• examples/labor_calendar.py

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🔧 Tests & Coverage

tox

coverage html && open htmlcov/index.html

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📖 Requirements

• Python 3.9 or higher
• (Optional) tzdata if using timezones in systems without a local zoneinfo database

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📝 License

MIT © 2025 — Rodrigo Ezequiel Roldán
View full license