sladkovm / Vmpy
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======================================= VMPY - Performance Velo Metrics Toolbox
VMPY is a toolbox for evaluating typical Cycling Performance Metrics from the ride data e.g. power, heart-rate, velocity, gradient, cadence streams.
All functions within the package do follow the convention, where input/output
formats are either traditional Python built-in data structures
or are the nd-arrays. This design choice favors easy integration into other projects,
e.g. velometria.com <http://velometria.com>
_
To help you getting started VMPY also provides a very thin wrapper around the
Strava API <https://strava.github.io/api/>
_.
Installation
Official release:
pip install vmpy
The bleeding edge work in progress:
pip install git+git://github.com/sladkovm/[email protected]
Scope
The VMPY package provides the following functionality:
streams.py
: Streams shape preserving calculations e.g. masking, filtering, zone conversions
metrics.py
: Cycling Performance Metrics
strava.py
: Python wrapper around the Strava API v3 for fetching Athletes, Activities and Stream data
Usage
from vmpy import strava stream = strava.retrieve_streams(activity_id=1282167861, access_token=STRAVA_ACCESS_TOKEN)
from vmpy import streams power_zones = streams.compute_zones(stream['watts'], ftp=270) hr_zones = streams.compute_zones(stream['heartrate'], lthr=160) watts_3sec = streams.rolling_mean(stream['watts'], window=3, mask=stream['moving']) gradient_wo_outliers = streams.median_filter(stream['grade_smooth'], window=31, threshold=1)
from vmpy import metrics normalizes_power = metrics.normalized_power(stream['watts']) time_in_power_zones = metrics.time_in_zones(stream['watts'], ftp=260)
Quick Start
Register Strava App
In order to be able to use Strava API the user App must be registered at the <link http://www.strava.com/developers>
_:
Application Name: ex.: My Awesome App
Website: ex.: myawesomeapp.com (can be anything, even your FB or Strava page will do)
Application Description ex.: Just fooling around with some Strava data
Authorization Callback Domain 127.0.0.1 (unless you are building a serious App)
Access Token
The Access Token will be found at the users profile page <https://www.strava.com/settings/api>
_
It will look like this: 83ebeabdec09f6670863766f792ead24d61fe3f9
Access Token must be passed explicitly as an argument
to the functions found in strava.py
module
Contribution guidelines
This project is absolutely open for contributions. No strong guidelines yet, except for:
- Don't push on master branch
- Test
- Write docstrings in NumPy style
Useful links
- Strava API v3 documentation - https://strava.github.io/api/