Patch Python SDK

The official Python library for the Patch API.

Documentation

For a complete API reference, check out Patch's API Reference..

Installation

Add the library to your requirements.txt file:

patch_api >= 1.5.0

Then run:

pip install -r requirements.txt

Or install it directly with

pip install patch-api

Requirements

Python 3.6.1

Usage

Configuration

After installing the gem, you'll have to initialize it with your API key which is available from the API key page in the Patch dashboard. The patch object will be used to to make calls to the Patch API:

import patch_api

patch = patch_api.ApiClient(api_key=os.environ.get('SANDBOX_API_KEY'))
orders = patch.orders.retrieve_orders()

Orders

In Patch, orders represent a purchase of carbon offsets or negative emissions by mass. Place orders directly if you know the amount of carbon dioxide you would like to sequester. If you do not know how much to purchase, use an estimate. You can also create an order with a maximum desired price, and we'll allocate enough mass to fulfill the order for you.

API Reference

Examples

import patch_api

patch = patch_api.ApiClient(api_key=os.environ.get('SANDBOX_API_KEY'))

# Create an order - you can create an order
# providing either amount (and unit) or total_price (and currency), but not both

# Create order with amount
amount = 1_000_000 # Pass in the amount in unit specified
unit = "g"
patch.orders.create_order(amount=amount, unit=unit)

# Create an order with total price
total_price = 5_00 # Pass in the total price in smallest currency unit (ie cents for USD).
currency = "USD"
patch.orders.create_order(total_price=total_price, currency=currency)

## You can also specify a project-id field (optional) to be used instead of the preferred one
project_id = 'pro_test_1234' # Pass in the project's ID
patch.orders.create_order(project_id=project_id, amount=amount, unit=unit)

## Orders also accept a metadata field (optional)
metadata = {"user": "john doe"}
patch.orders.create_order(metadata=metadata, amount=amount, unit=unit)

## Orders also accept a metadata field (optional)
metadata = {"user": "john doe"}
patch.orders.create_order(metadata=metadata, amount=amount, unit=unit)

## Orders also accept an issued_to field (optional)
issued_to = {"name": "Company A", "email": "[email protected]"}
patch.orders.create_order(issued_to=issued_to, amount=amount, unit=unit)

# Retrieve an order
order_id = 'ord_test_1234' # Pass in the order's id
patch.orders.retrieve_order(id=order_id)

# Place an order
order_id = 'ord_test_1234' # Pass in the order's id
patch.orders.place_order(id=order_id)

## Placing an order on behalf of another party
issued_to = {"name": "Company A", "email": "[email protected]"}
patch.orders.place_order(id=order_id, issued_to=issued_to)

# Cancel an order
order_id = 'ord_test_1234' # Pass in the order's id
patch.orders.cancel_order(id=order_id)

# Retrieve a list of orders
page = 1 # Pass in which page of orders you'd like
patch.orders.retrieve_orders(page=page)

Estimates

Estimates allow API users to get a quote for the cost of compensating a certain amount of CO2. When creating an estimate, an order in the draft state will also be created, reserving the allocation of a project for 5 minutes. If you don't place your draft order within those 5 minutes, the order will automatically be cancelled.

API Reference

Examples

import patch_api

patch = patch_api.ApiClient(api_key=os.environ.get('SANDBOX_API_KEY'))

# Create an estimate
mass_g = 1_000_000 # Pass in the mass in grams (i.e. 1 metric tonne)
patch.estimates.create_mass_estimate(mass_g=mass_g)

## You can also specify a project-id field (optional) to be used instead of the preferred one
project_id = 'pro_test_1234' # Pass in the project's ID
patch.estimates.create_mass_estimate(mass_g=mass_g, project_id=project_id)

# Create a flight estimate
distance_m = 1_000_000 # Pass in the distance traveled in meters
patch.estimates.create_flight_estimate(distance_m=distance_m)

# Create an ecommerce estimate
distance_m = 1_000_000 # Pass in the distance traveled in meters
transportation_method = "rail"
package_mass_g = 5000
patch.estimates.create_ecommerce_estimate(
  distance_m=distance_m,
  transportation_method=transportation_method,
  package_mass_g=package_mass_g
)

# Create a vehicle estimate
distance_m = 1_000_000 # Pass in the distance traveled in meters
make = "Toyota"
model = "Corolla"
year = 1995
patch.estimates.create_vehicle_estimate(distance_m=distance_m, make=make, model=model, year=year)

# Create a bitcoin estimate
transaction_value_btc_sats = 1000 # [Optional] Pass in the transaction value in satoshis
patch.estimates.create_bitcoin_estimate(transaction_value_btc_sats=transaction_value_btc_sats)

# Retrieve an estimate
estimate_id = 'est_test_1234'
patch.estimates.retrieve_estimate(id=estimate_id)

# Retrieve a list of estimates
page = 1 # Pass in which page of estimates you'd like
patch.estimates.retrieve_estimates(page=page)

Projects

Projects are the ways Patch takes CO2 out of the air. They can represent reforestation, enhanced weathering, direct air carbon capture, etc. When you place an order via Patch, it is allocated to a project.

When fetching projects, you can supply filters to the query to narrow your result. Currently supported filters are:

country
type
minimum_available_mass

API Reference

Examples

import patch_api

patch = patch_api.ApiClient(api_key=os.environ.get('SANDBOX_API_KEY'))

# Retrieve a project
project_id = 'pro_test_1234' # Pass in the project's ID
patch.projects.retrieve_project(id=project_id)

# Retrieve a list of projects
page = 1 # Pass in which page of projects you'd like
patch.projects.retrieve_projects(page=page)

# Retrieve a list of biomass projects
patch.projects.retrieve_projects(type="biomass")

# Retrieve a list of projects from Canada
patch.projects.retrieve_projects(country="CA")

# Retrieve a list of projects with at least 100 grams of available offsets
patch.projects.retrieve_projects(minimum_available_mass=100)

# Retrieve a project / all projects in a different language
# See http://docs.patch.test:3000/#/internationalization for more information and support
patch.projects.retrieve_projects(accept_language='fr')
project_id = 'pro_test_1234'
patch.projects.retrieve_project(id=project_id, accept_language='fr')

Contributing

While we value open-source contributions to this SDK, the core of this library is generated programmatically. Complex additions made directly to the library would have to be moved over to our generation code, otherwise they would be overwritten upon the next generated release. Feel free to open a PR as a proof of concept, but know that we will not be able to merge it as-is. We suggest opening an issue first to discuss with us!

On the other hand, contributions to the README, as well as new test cases are always very welcome!

Pre-commit

This project uses pre-commit to automatically lint code on commit. Set-up lint commit the first time around using

pre-commit install

Linter

This project uses black for code formatting. To run the automatic formatting, run:

make lint

Running tests

Set up the required environment variable:

export SANDBOX_API_KEY=<SANDBOX API KEY>

Run tests:

make test

To run an individual test:

python -m unittest test/xxx_test.py

Testing the built package locally

To build the library locally, run:

make build

In another directory, create a file called patch.py and install the local package in this directory:

touch patch.py
pip install ../patch-python

Set up the required environment variable:

export SANDBOX_API_KEY=<SANDBOX API KEY>

To test the package locally, create a python file in a sibling directory and add the following:

import os
import patch_api

patch = patch_api.ApiClient(api_key=os.environ.get('SANDBOX_API_KEY'))
orders = patch.orders.retrieve_orders(page=1)

print(orders)

Got an unexpected keyword argument 'total_price_cents_usd' to method create_order

Hi there.

I received the following error when using the example python code from docs. I am using the test API keys as the 'ApiClient' and have been able to create orders sucessfully by mass_g. However, when using the create order by price, I am receiving argument errors.

total_price_cents_usd = 500 # Pass in the total price in cents of US dollars (i.e. 5 dollars)
patch.orders.create_order(total_price_cents_usd=total_price_cents_usd)

Results in

ApiTypeError: Got an unexpected keyword argument 'total_price_cents_usd' to method create_order

On looking at the orders_api.py I see there is no total_price_cents_usd, just price_cents_usd. Changing the param label to this results in the following error.

total_price_cents_usd = 500 # Pass in the total price in cents of US dollars (i.e. 5 dollars)
patch.orders.create_order(price_cents_usd=total_price_cents_usd)

Results in...

ApiException: (422)
Reason: Unprocessable Entity
HTTP response headers: HTTPHeaderDict({'Server': 'nginx/1.17.8', 'Date': 'Tue, 30 Mar 2021 09:57:35 GMT', 'Content-Type': 'application/json; charset=utf-8', 'Transfer-Encoding': 'chunked', 'Connection': 'keep-alive', 'X-Frame-Options': 'SAMEORIGIN', 'X-XSS-Protection': '1; mode=block', 'X-Content-Type-Options': 'nosniff', 'X-Download-Options': 'noopen', 'X-Permitted-Cross-Domain-Policies': 'none', 'Referrer-Policy': 'strict-origin-when-cross-origin', 'Vary': 'Accept, Origin', 'Cache-Control': 'no-cache', 'X-Request-Id': '961cb0a64cba5d3835a9b28336dd3455', 'X-Runtime': '0.026914', 'Strict-Transport-Security': 'max-age=15724800; includeSubDomains', 'Access-Control-Allow-Origin': '*', 'Access-Control-Allow-Credentials': 'true', 'Access-Control-Allow-Methods': 'GET, PUT, POST, DELETE, PATCH, OPTIONS', 'Access-Control-Allow-Headers': 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization'})
HTTP response body: {"data":null,"error":{"code":422,"message":" must only contain one of: mass_g, total_price_cents_usd"},"meta":null,"success":false}

Thanks in advance.

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patch-python's Introduction

Patch Python SDK

Documentation

Installation

Requirements

Usage

Configuration

Orders

Examples

Estimates

Examples

Projects

Examples

Contributing

Pre-commit

Linter

Running tests

Testing the built package locally

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