DirectoryIndexer
DirectoryIndexer(
path: Path ,
cache_size ,
)
A class for indexing a directory of dascore-readable files.
This works by crawling the directory, getting a summary about the data it contains, then creating a small HDF index file which can be queried later on.
Parameters
| Parameter | Description |
|---|---|
| path | The path to a directory containing DAS files. |
| cache_size | The number of queries to store in memory to avoid frequent reads of the index file. It is rare this needs to be modified. |
Methods
| Name | Description |
|---|---|
| clear_cache | Removes all cached dataframes. |
| ensure_path_exists | Ensure the base path exists else raise. |
| get_contents | Get contents of directory with specific query params. |
| update | Updates the contents of the Indexer. |