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invoice_folder_extractor.py

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import os

import json

import glob

import mimetypes

import requests

# 1) Read API key from environment

API_KEY = os.environ.get("PARSERDATA_API_KEY") or "API_KEY"

if not API_KEY or API_KEY == "API_KEY":

raise RuntimeError(

"Set the PARSERDATA_API_KEY environment variable "

"or replace 'API_KEY' in this file with your actual key."

)

URL = "https://api.parserdata.com/v1/extract"

HEADERS = {"X-API-Key": API_KEY}

# 2) Prompt: customize this for your needs

PROMPT = (

"Extract invoice number, invoice date, supplier name, total amount, and line items "

"(description, quantity, unit price, net amount)."

)

# 3) Change this to your folder of invoices

INPUT_GLOB = r"C:\Users\Admin\Downloads\invoices\*"

# Supported file extensions

ALLOWED_EXTENSIONS = {".pdf", ".png", ".jpg", ".jpeg"}

FILE_PATHS = [

for p in glob.glob(INPUT_GLOB)

if os.path.splitext(p)[1].lower() in ALLOWED_EXTENSIONS

]

if not FILE_PATHS:

print("No matching files found for pattern:", INPUT_GLOB)

raise SystemExit(1)

def extract_invoice(path: str) -> None:

"""Upload a single file to Parserdata and print the result."""

mime = mimetypes.guess_type(path)[0] or "application/octet-stream"

with open(path, "rb") as f:

files = {"file": (os.path.basename(path), f, mime)}

data = {

"prompt": PROMPT,

"options": json.dumps(

{

"return_schema": False,

"return_selected_fields": False,

}

response = requests.post(

URL,

headers=HEADERS,

files=files,

data=data,

timeout=300,

)

filename = os.path.basename(path)

print("\n===", filename, "===")

print("Status:", response.status_code)

if response.status_code != 200:

print("Error body:", response.text[:2000])

return

try:

result = response.json()

except json.JSONDecodeError:

print("Error: Could not decode JSON response")

print("Raw body:", response.text[:2000])

return

# Print only the extracted part (less noise)

payload = result.get("result", result)

print(json.dumps(payload, indent=2, ensure_ascii=False))

def main() -> None:

for path in FILE_PATHS:

extract_invoice(path)

if __name__ == "__main__":

main()