fetch_repo_data#

FetchRepoDataOptions `dataclass` #

bz2_enabled = True

Whether the BZ2 compression is enabled or not.

cache_action = 'cache-or-fetch'

How to interact with the cache.

'cache-or-fetch' (default): Use the cache if its up to date or fetch from the URL if there is no valid cached value.
'use-cache-only': Only use the cache, but error out if the cache is not up to date
'force-cache-only': Only use the cache, ignore whether or not it is up to date.
'no-cache': Do not use the cache even if there is an up to date entry

jlap_enabled = True

Whether the JLAP compression is enabled or not.

variant = 'after-patches'

Which type of repodata to download

'after-patches' (default): Fetch the repodata.json file. This repodata.json has repodata patches applied.
'from-packages' Fetch the repodata_from_packages.json file
'current': Fetch current_repodata.json file. This file contains only the latest version of each package.

zstd_enabled = True

Whether the ZSTD compression is enabled or not.

fetch_repo_data(
    *,
    channels,
    platforms,
    cache_path,
    callback,
    client=None,
    fetch_options=None,
)

Returns a list of RepoData for given channels and platform.

Parameters:

Name	Type	Description	Default
`channels`	`List[Channel]`	A list of `Channel`s to fetch repo data.	required
`platforms`	`List[Platform]`	A list of `Platform`s for which the repo data should be fetched.	required
`cache_path`	`Union[str, PathLike[str]]`	A `os.PathLike[str]` where the repo data should be downloaded.	required
`callback`	`Optional[Callable[[int, int], None]]`	A `Callable[[int, int], None]` to report the download progress of repo data.	required
`client`	`Optional[Client]`	A `Client` to use for fetching the repo data.	`None`

Returns:

Type	Description
`List[SparseRepoData]`	A list of `SparseRepoData` for requested channels and platforms.