def _get_last_version(builder_dir: str) -> Optional[str]:
"""Returns the last version found in the directory."""
all_versions = version.list_all_versions(builder_dir)
if all_versions:
return str(all_versions[-1]) # Biggest version is the last one
else:
return None
def _get_version_str(
builder_dir: str,
*,
requested_version: Optional[str] = None,
) -> Optional[str]:
"""Returns the version name found in the directory.
Args:
builder_dir: Directory containing the versions (`builder_dir/1.0.0/`,...)
requested_version: Optional version to search (e.g. `1.0.0`, `2.*.*`,...)
Returns:
version_str: The version directory name found in `builder_dir`.
"""
all_versions = version_lib.list_all_versions(builder_dir)
# Version not given, using the last one.
if not requested_version and all_versions:
return str(all_versions[-1])
# Version given, return the biggest version matching `requested_version`
for v in reversed(all_versions):
if v.match(requested_version):
return str(v)
# Directory don't has version, or requested_version don't match
return None
def _get_version_str(
builder_dir: epath.Path,
*,
config_name: Optional[str] = None,
requested_version: Optional[str] = None,
) -> Optional[str]:
"""Returns the version name found in the directory.
Args:
builder_dir: Directory containing the versions (`builder_dir/1.0.0/`,...)
config_name: Optional name of the config that should be used. Will be
ignored if it is an empty string.
requested_version: Optional version to search (e.g. `1.0.0`, `2.*.*`,...)
Returns:
version_str: The version directory name found in `builder_dir`.
"""
if config_name:
builder_dir = builder_dir / config_name
all_versions = version_lib.list_all_versions(os.fspath(builder_dir))
# Version not given, using the latest one.
if not requested_version and all_versions:
return str(all_versions[-1])
# Version given, return the highest version matching `requested_version`.
for v in reversed(all_versions):
if v.match(requested_version):
return str(v)
# Directory doesn't have version, or requested_version doesn't match
if requested_version:
error_msg = (f'No version matching the requested {requested_version} was '
f'found in the builder directory: {builder_dir}.')
else:
error_msg = (f'The builder directory {builder_dir} doesn\'t contain any '
'versions.')
error_utils.add_context(error_msg)
return None
