SR Invoice Parser is a small library(crawler) that is parsing invoices and extracting relevant information from URL. For Serbian market.
Project description
SR Invoice Parser
SR Invoice Parser is a small library that is parsing invoices and extracting relevant information. It is designed to work with invoices from the TaxCore Tax Administration of the Republic of Serbia (Poreska uprava Republike Srbije).
It works on domain suf.purs.gov.rs where they use TaxCore website to show invoices.
QR code gives a URL to the invoice web page, and this parser extracts the relevant information from the web page, like a crawler.
Installation
To install SR Invoice Parser, follow these steps:
pip install sr-invoice-parser
Usage
The InvoiceParser class is the entry point for using the parser.
Methods
get_data()- Extracts all the data from the invoice and returns it as a dictionaryget_company_name()- Extracts the company name.get_company_tin()- Extracts the company's tax identification number/PFR.get_buyer_tin()- Extracts the buyer's tax identification number/PFR.get_total_amount()- Extracts the total amount of the invoice.get_dt()- Extracts the date and time of the invoice and converts it to UTC as a datetime object.get_invoice_number()- Extracts the invoice number.get_invoice_text()- Extracts the full text of the invoice with QR code base64.get_items()- Extracts items details from the invoice. This is array of dictionaries with keys:name,quantity,price,total_price.
Here's a basic example of how to use it:
from sr_invoice_parser import InvoiceParser
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/?vl=...")
# or with HTML fetching instead of JSON (json=True is default)
parser = InvoiceParser(url="https://suf.purs.gov.rs/v/?vl=...", json=False)
# or
parser = InvoiceParser(html_text="<HTML source code of invoice web page>")
parser.data()
parser.get_company_name()
parser.get_company_tin()
parser.get_buyer_tin()
parser.get_total_amount()
parser.get_dt()
parser.get_invoice_number()
parser.get_invoice_text()
parser.get_items()
Example response data
{
"company_name": "Company Name",
"company_tin": "123456789",
"buyer_tin": "987654321",
"invoice_number": "QWERTYU1-QWERTYU1-12345",
"invoice_datetime": datetime.datetime(2021, 1, 1, 0, 0, tzinfo=datetime.timezone.utc),
"invoice_total_amount": 123.45,
"invoice_text": "============ ФИСКАЛНИ РАЧУН ============.....",
"invoice_items": [
{
"name": "Item 1",
"quantity": 1,
"price": 123.45,
"total_price": 123.45
}
]
}
Check the test_parser.py file for more examples.
Handling Exceptions
The module has custom exceptions for handling various error scenarios:
ParserParseException- Raised when any error occurs during parsing the HTML content.ParserRequestException- Raised for errors related to fetching HTML content.
Package Dependencies
Thanks to the following packages:
Contributing
Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.
If you have any questions, please contact us via email: hello@innovigo.co
License
This project is licensed under the MIT License.
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