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IFirma API client

Project description

Python wrapper for ifirma's API

Requires Python 3.8 or later. This little project aims to refresh my python coding skills.

Besides coding fun this code also supported invoicing in a few small online shops. It does its job pretty well.

First version was inspired of @DariuszAniszewski's python-ifirma but covers slightly different operations and has evolved over the years to support more use cases.

Natively supported by this package invoice type is ifirma's faktura krajowa. However is not that hard to create other invoice types using arbitrary request feature. Which is just to send any ifirma's json request from file template, you can find examples in sample_invoice folder.

Features

It supports following operations

When you add more? Are PRs welcomed?

Probably never. It's here to support my business. If you're looking for ideas how to extend it, 👉 see arbitrary requests from sample_invoice directory. These might be mostly interested if some non-standard ifirma's api operation is required:

Other ideas of extension can be find in issue #8 discusion.

Getting started

I recomend to install package directly from github as I'm getting too lazy to publish new versions to pypi. The part @{SHA} is a commit's id (sha) and can be ommitted (defaults to HEAD).

pip install -e git+https://github.com/pnowosie/ifirma-api.git@{SHA}#egg=pnowosie.ifirma-api

or PyPI still works, but you probably won't be on the bleeding edge ;) If PyPI is your way, consider helping me with issue #10

pip install pnowosie.ifirma-api=={VERSION}

or from this repository

Invoice creation

Please review examples in ./sample_invoice directory. You will find there how to create invoice from yaml file. Send it via email and download pdf version to a location of choice.

Or create invoice from code

from ifirma.invoice import (Invoice, Customer, InvoicePosition, INVOICE_TYPE)

invoice = Invoice(
    invoice_type=INVOICE_TYPE.NON_VAT_PAYER,
    issue_date=datetime(...)
).with_issuer(
    'Imię Nazwisko'
).with_payed(
    float(price)
).with_comments(
    f"Nr zamówienia: {numer}"
).with_position(
    InvoicePosition(product_name, float(price), flat_rate=float(ryczałt))
).with_new_customer(
    Customer(full_name, email, zip, city, street1, street2)
)

if you registered your customer in ifirma you can use

invoice.with_known_customer(
  name, tax_id
)

Having invoice object, we can send it to create an invoice in the ifirma. Please mind that two environment variables IFIRMA_API_USERNAME and IFIRMA_API_KEY have to be set to authenticate API request.

import ifirma.api as Api

create_invoice_response = Api.create_invoice(invoice)

if create_invoice_response.success:
    print(f"Invoice created with id {create_invoice_response}")
else:
    print("Something bad has happened: " + create_invoice_response.message)

Next step can be send an email with the invoice attached to the customer email address. CC is delivered also to our address registered in the ifirma.

import ifirma.api as Api

custom_message = "Can you please send me more money? I'm getting ambitious vacation plans!"
email_send_response = Api.email_invoice(invoice_id, customer_email_address, custom_message)

If the pdf copy of the invoice is needed to be stored, we can download it as well

import ifirma.api as Api
from pathlib import Path

file_path = Path('/tmp') / f"invoice_{invoice_id}.pdf"
Api.download_invoice(invoice_id, file_path)

Please check this example.

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