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57 lines
1.7 KiB
Markdown
57 lines
1.7 KiB
Markdown
---
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title: Python Currency Support
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---
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## Currency Support
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InvenTree provides native support for multiple currencies, which can mean that data require conversion between these currencies, at defined exchange rates.
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The InvenTree server maintains a set of exchange rates, which are updated periodically. These exchange rates are available via the [InvenTree API](../api.md), and can be used by the Python bindings.
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### CurrencyManager Class
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The Python bindings provide the `CurrencyManager` class, which takes care of retrieving currency exchange data from the server. This class can be instantiated as shown below:
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```python
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from inventree.currency import CurrencyManager
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# The manager class must be passed a valid InvenTreeAPI instance
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manager = CurrencyManager(api)
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# Access the 'base currency' data
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base_currency = manager.getBaseCurrency()
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# Access the 'exchange rate' data
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rates = manager.getExchangeRates()
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```
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### Currency Conversion
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Currency conversion is performed by passing the value of currency, as well as the *source* and *target* currency codes to the currency manager.
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!!! warning "Missing Currency Data"
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The currency conversion only works if the manager class has valid information on both the *source* and *target* currency exchange rates!
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```python
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from inventree.currency import CurrencyManager
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manager = CurrencyManager(api)
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# Convert from AUD to CAD
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cad = manager.convertCurrency(12.54, 'AUD', 'CAD')
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# Convert from NZD to USD
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usd = manager.convertCurrency(99.99, 'NZD', 'USD')
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```
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### Exchange Rate Update
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To request a manual update of currency data (from the server), run the following command:
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```python
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from inventree.currency import CurrencyManager
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manager = CurrencyManager(api)
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manager.refreshExchangeRates()
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```
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