dimpyu 0.1.2

A lightweight, flexible Python library for handling physical units

DimPyU

A lightweight, flexible Python library for handling physical units, supporting arithmetic operations, dimensional analysis, and smart conversions.

Features

• Intuitive Syntax: 10 * reg.km or reg.parse("10 km")
• Arithmetic: Add, substract, multiply, and divide quantities (m/s, kg * m/s^2).
• Conversions: Easily convert between compatible units (val.to('km')).
• SI Prefixes: Automatically handles prefixes like micro, giga, nano (e.g. micrometer).
• Numpy Support: Seamlessly works with Numpy arrays for high-performance calculations on vectors.
• Physical Constants: Includes standard constants like Speed of Light ($c$), Gravity ($g_0$), etc.

Installation

From Source (Local)

pip install .

From GitHub

You can install directly from your repository:

pip install git+https://github.com/YOUR_USERNAME/dimpyu.git

From PyPI (Coming working)

pip install dimpyu

Usage

from dimpyu import UnitRegistry

# Initialize registry (loads default units)
reg = UnitRegistry()

# 1. Simple Quantity Creation
distance = 10 * reg.km
time = 0.5 * reg.hr
speed = distance / time
print(speed)                # 20.0 km / hr
print(speed.to('m/s'))      # 5.555... m / s

# 2. String Parsing
q = reg.parse("50 kg * m / s^2")
print(q)                    # 50.0 kg m/s^2
print(q.to('N'))            # 50.0 N

# 3. Array / Numpy Support
lengths = [1, 2, 3] * reg.meter
print(lengths.to('cm'))     # [100., 200., 300.] centimeter

# 4. Physical Constants
from dimpyu import constants
energy = constants.h * constants.c / (500 * reg.nm)
print(energy.to('J'))

Project Structure

• dimpyu/: Core package code.
• main.py: Demo script.
• fluid_mechanics_example.py: Example solution for a pump calculation.
• heat_transfer_example.py: Example solution for a heat transfer problem.

License

MIT