Complete solution for extracting currency pair quotes data. With comprehensive testing, parameter validation, flexible configuration management, Hexagonal Architecture, CI/CD pipelines, code quality tools, and detailed documentation.
Project description
currency-quote
Complete solution for extracting currency pair quotes data.
Stack
Quick Start
from currency_quote import ClientBuilder
# Single currency pair
client = ClientBuilder(currency_list="USD-BRL")
# Multiple currency pairs
client = ClientBuilder(currency_list=["USD-BRL", "EUR-BRL"])
# Get the latest quote
print(client.get_last_quote())
# Get historical quote for a specific date (YYYYMMDD)
print(client.get_history_quote(reference_date=20220101))
Last quote response
[
{
"currency_pair": "USD-BRL",
"currency_pair_name": "Dólar Americano/Real Brasileiro",
"base_currency_code": "USD",
"quote_currency_code": "BRL",
"quote_timestamp": 1727201744,
"bid_price": "5.4579",
"ask_price": "5.4589",
"quote_extracted_at": 1727201753
}
]
Historical quote response
[
{
"currency_pair": "USD-BRL",
"currency_pair_name": "Dólar Americano/Real Brasileiro",
"base_currency_code": "USD",
"quote_currency_code": "BRL",
"quote_timestamp": 1719440767,
"bid_price": 5.524,
"ask_price": 5.5245,
"quote_extracted_at": 1727201753
}
]
Architecture
This library follows Hexagonal Architecture (ports & adapters), decoupling core business logic from external data sources so any API can be swapped without touching domain code.
Highlights
| Feature | Description |
|---|---|
| Parameter Validation | Currency pairs are validated against the data source before any request |
| Retry Strategy | Configurable retry logic with exponential and linear backoff |
| Hexagonal Architecture | Core logic fully decoupled from external APIs |
| CI/CD | Automated testing, build, and PyPI publication pipelines |
| Code Quality | Black formatting + Pylint enforced on every commit |
Contributing
Release history Release notifications | RSS feed
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