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# coding: utf-8
# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
"""
FILE: sample_analyze_receipts.py
DESCRIPTION:
This sample demonstrates how to analyze and extract common fields from receipts,
using a pre-trained receipt model.
See fields found on a receipt here:
https://aka.ms/azsdk/formrecognizer/receiptfieldschema
USAGE:
python sample_analyze_receipts.py
Set the environment variables with your own values before running the sample:
1) AZURE_FORM_RECOGNIZER_ENDPOINT - the endpoint to your Form Recognizer resource.
2) AZURE_FORM_RECOGNIZER_KEY - your Form Recognizer API key
"""
import os
def analyze_receipts():
path_to_sample_documents = os.path.abspath(
os.path.join(
os.path.abspath(__file__),
"..",
"..",
"./sample_forms/receipt/contoso-allinone.jpg",
)
)
from azure.core.credentials import AzureKeyCredential
from azure.ai.formrecognizer import DocumentAnalysisClient
endpoint = os.environ["AZURE_FORM_RECOGNIZER_ENDPOINT"]
key = os.environ["AZURE_FORM_RECOGNIZER_KEY"]
document_analysis_client = DocumentAnalysisClient(
endpoint=endpoint, credential=AzureKeyCredential(key)
)
with open(path_to_sample_documents, "rb") as f:
poller = document_analysis_client.begin_analyze_document(
"prebuilt-receipt", document=f, locale="en-US"
)
receipts = poller.result()
for idx, receipt in enumerate(receipts.documents):
print("--------Analysis of receipt #{}--------".format(idx + 1))
print("Receipt type: {}".format(receipt.doc_type or "N/A"))
merchant_name = receipt.fields.get("MerchantName")
if merchant_name:
print(
"Merchant Name: {} has confidence: {}".format(
merchant_name.value, merchant_name.confidence
)
)
transaction_date = receipt.fields.get("TransactionDate")
if transaction_date:
print(
"Transaction Date: {} has confidence: {}".format(
transaction_date.value, transaction_date.confidence
)
)
if receipt.fields.get("Items"):
print("Receipt items:")
for idx, item in enumerate(receipt.fields.get("Items").value):
print("...Item #{}".format(idx + 1))
item_description = item.value.get("Description")
if item_description:
print(
"......Item Description: {} has confidence: {}".format(
item_description.value, item_description.confidence
)
)
item_quantity = item.value.get("Quantity")
if item_quantity:
print(
"......Item Quantity: {} has confidence: {}".format(
item_quantity.value, item_quantity.confidence
)
)
item_price = item.value.get("Price")
if item_price:
print(
"......Individual Item Price: {} has confidence: {}".format(
item_price.value, item_price.confidence
)
)
item_total_price = item.value.get("TotalPrice")
if item_total_price:
print(
"......Total Item Price: {} has confidence: {}".format(
item_total_price.value, item_total_price.confidence
)
)
subtotal = receipt.fields.get("Subtotal")
if subtotal:
print(
"Subtotal: {} has confidence: {}".format(
subtotal.value, subtotal.confidence
)
)
tax = receipt.fields.get("TotalTax")
if tax:
print("Total tax: {} has confidence: {}".format(tax.value, tax.confidence))
tip = receipt.fields.get("Tip")
if tip:
print("Tip: {} has confidence: {}".format(tip.value, tip.confidence))
total = receipt.fields.get("Total")
if total:
print("Total: {} has confidence: {}".format(total.value, total.confidence))
print("--------------------------------------")
if __name__ == "__main__":
analyze_receipts()
|
