Assets

Assets are generated or downloaded assets which we save for futher use. Model core.Asset handles all the data and each row can be related to Item or to Transaction record.

Types of assets:

• EARNINGS_CHART - Earnings chart downloaded from YAHOO!.

• FINANCIALS_CHART - Financial chart downloaded from YAHOO!.

• TRENDS_CHART - Trends chart downloaded from YAHOO!.

• PERFORMANCE_CHART - Performance chart - generated.

• RECOMMENDATIONS_CHART - Recommendations chart - generated.

• TRENDS_TWITTER_CHART - Twitter trends chart.

• TRANSACTION_GRAPH - Transaction (dot) graph - generated.

Manual uploading

Asset model has a convinient static method upload() which can be used for new asset creation. Method has following signature:

classmethod Asset.upload(buffer, type, extension='png', item=None, transaction=None)

Creates/updates item asset and uploads file (param buffer) to the storage.

Parameters:

• buffer – File-like object.

• type (int) – Item asset type - see Asset.TYPE_CHOICES.

• extension – Extensions string i.e. “png”.

• item (Item) – Item model instance.