flexvalue

library2.0.8pypypiunverified

FLEXvalue is a Python library for calculating avoided costs, commonly used in energy efficiency and demand-side management. Version 2.0.8 is the latest, with maintenance-oriented updates. Release cadence is irregular, driven by method updates.

data

pip install flexvalue

github ↗package ↗

INSTALL

IMPORT

SIG · FLEXVALUE

flexvalue

datapythonv2.0.8

harness data pending

Install & Compatibility

Where this runs

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Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

Flexvalue

✓ from flexvalue import Flexvalue

✗ from flexvalue import FlexValue

The class name uses a lowercase 'v' (Flexvalue not FlexValue)

Basic usage: import Flexvalue, create an instance with default parameters, and call calculate() with required inputs.

from flexvalue import Flexvalue # Initialize with configuration (adjust parameters as needed) fv = Flexvalue() # Calculate avoided costs for a given scenario result = fv.calculate( fuel_price=0.05, # $/kWh discount_rate=0.03, # 3% lifetime_years=10, annual_savings_kwh=10000 ) print(result)

Debug

Known issues

breakingIn version 2.0.0, the main class was renamed from 'FlexValue' to 'Flexvalue' (lowercase 'v'). Old code using 'FlexValue' will raise an ImportError.

fix

Change import to 'from flexvalue import Flexvalue' and replace all 'FlexValue' references with 'Flexvalue'.

affects: <2.0.0

gotchaThe calculate() method parameters changed in 2.0.0. Old code using positional arguments may silently produce wrong results if order changed. Always use keyword arguments.

fix

Always call calculate() with explicit keyword arguments, e.g., calculate(fuel_price=..., discount_rate=..., ...).

affects: <2.0.0

deprecatedThe function 'avoided_cost' (lowercase, module-level) is deprecated since 1.5.0 and removed in 2.0.0. Use the class-based API instead.

fix

Replace 'from flexvalue import avoided_cost' with 'from flexvalue import Flexvalue' and use the object-oriented approach.

affects: >=1.5.0, <2.0.0

Upgrade

Version history

2.0.8latest on PyPI · released Jan 31, 2024

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Dependencies

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Resources

githubhttp://github.com/recurve-methods/flexvalue ↗

packagehttps://pypi.org/project/flexvalue/ ↗