tiled.client.dataframe.DaskDataFrameClient
- class tiled.client.dataframe.DaskDataFrameClient(context, *, item, structure_clients, structure=None, include_data_sources=False)[source]
Client-side wrapper around an dataframe-like that returns dask dataframes
- __init__(context, *, item, structure_clients, structure=None, include_data_sources=False)
Methods
__init__
(context, *, item, structure_clients)append_partition
(dataframe, partition)asset_manifest
(data_sources)Return a manifest of the relative paths of the contents in each asset.
build_metadata_patches
([metadata, specs])Build valid JSON Patches (RFC6902) for metadata and metadata validation specs accepted by patch_metadata.
compute
()Alias to client.read().compute()
data_sources
()delete_tree
()export
(filepath[, columns, format])Download data in some format and write to a file.
include_data_sources
()Ensure that data source and asset information is fetched.
login
([username, provider])Depending on the server's authentication method, this will prompt for username/password:
logout
([clear_default])Log out.
metadata_copy
()Generate a mutable copy of metadata and specs for validating metadata (useful with update_metadata())
new_variation
([structure])This is intended primarily for internal use and use by subclasses.
patch_metadata
([metadata_patch, ...])EXPERIMENTAL: Patch metadata using a JSON Patch (RFC6902).
raw_export
([destination_directory, max_workers])Download the raw assets backing this node.
read
([columns])Access the entire DataFrame.
read_partition
(partition[, columns])Access one partition in a partitioned (dask) dataframe.
refresh
()replace_metadata
([metadata, specs])EXPERIMENTAL: Replace metadata entirely (see update_metadata).
structure
()Return a dataclass describing the structure of the data.
update_metadata
([metadata, specs])EXPERIMENTAL: Update metadata via a dict.update- like interface.
write
(dataframe)write_partition
(dataframe, partition)Attributes
URL_CHARACTER_LIMIT
columns
context
formats
List formats that the server can export this data as.
item
JSON payload describing this item.
metadata
Metadata about this data source.
metadata_revisions
specs
List of specifications describing the structure of the metadata and/or data.
structure_family
Quick access to this entry
uri
Direct link to this entry