craft_parts.utils.partition_utils module

Unit tests for partition utilities.

craft_parts.utils.partition_utils.get_partition_dir_map(base_dir, partitions, suffix='')

Return a mapping of partition directories.

The default partition maps to directories in the base_dir. All other partitions map to directories in partitions/<partition-name>.

If no partitions are provided, return a mapping of None to base_dir/suffix.

Parameters:

• base_dir (Path) – Base directory.

• partitions (Sequence[str] | None) – An iterable of partition names.

• suffix (str) – String containing the subdirectory to map to inside each partition.

Return type:

dict[str | None, Path]

Returns:

A mapping of partition names to paths.

craft_parts.utils.partition_utils.is_default_partition(partitions, partition)

Check if given partition is the default one in the given partition list.

Parameters:

• partitions (list[str] | None)

• partition (str | None)

Return type:

bool

craft_parts.utils.partition_utils.validate_partition_names(partitions)

Validate the partition feature set.

If the partition feature is enabled, then:

• each partition name must contain only lowercase alphanumeric characters hyphens and slashes, but not begin or end with a hyphen or a slash

• partitions are unique

• only the first partition can be named “default”

Namespaced partitions can also be validated in addition to regular (or ‘non-namespaced’) partitions. The format is <namespace>/<partition>.

Namespaced partition names follow the same conventions described above. Namespace names must consist of only lowercase alphanumeric characters.

Parameters:

partitions (Sequence[str] | None) – Partition data to verify.

Raises:

ValueError – If the partitions are not valid or the feature is not enabled.

Return type:

None