DownloaderExtensions
Bases: Object
Contains extension methods for the Downloader functionality.
get_data_downloader_parameter_for_all_mapped_symbols(
data_downloader_parameter: DataDownloaderGetParameters,
map_file_provider: IMapFileProvider,
exchange_time_zone: Any,
) -> Iterable[DataDownloaderGetParameters]
Get DataDownloaderGetParameters for all mapped Symbol with appropriate ticker name in specific date time range.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
data_downloader_parameter
|
DataDownloaderGetParameters
|
Generated class in "Lean.Engine.DataFeeds.DownloaderDataProvider" |
required |
map_file_provider
|
IMapFileProvider
|
Provides instances of MapFileResolver at run time |
required |
exchange_time_zone
|
Any
|
Provides the time zone this exchange |
required |
Returns:
| Type | Description |
|---|---|
Iterable[DataDownloaderGetParameters]
|
Return DataDownloaderGetParameters with different DataDownloaderGetParameters.start_utc - DataDownloaderGetParameters.end_utc range and Symbol. |