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- from __future__ import annotations
- class InvalidRepositoryError(Exception):
- """The given string is not a valid repository name."""
- def resolve_repository_name(repo_name: str) -> tuple[str, str]:
- if "://" in repo_name:
- raise InvalidRepositoryError(
- f"Repository name cannot contain a scheme ({repo_name})"
- )
- index_name, remote_name = split_repo_name(repo_name)
- if index_name[0] == "-" or index_name[-1] == "-":
- raise InvalidRepositoryError(
- f"Invalid index name ({index_name}). Cannot begin or end with a hyphen."
- )
- return resolve_index_name(index_name), remote_name
- def resolve_index_name(index_name: str) -> str:
- index_name = convert_to_hostname(index_name)
- if index_name == "index.docker.io":
- index_name = "docker.io"
- return index_name
- def split_repo_name(repo_name: str) -> tuple[str, str]:
- parts = repo_name.split("/", 1)
- if len(parts) == 1 or (
- "." not in parts[0] and ":" not in parts[0] and parts[0] != "localhost"
- ):
- # This is a docker index repo (ex: username/foobar or ubuntu)
- return "docker.io", repo_name
- return parts[0], parts[1]
- def convert_to_hostname(url: str) -> str:
- return url.replace("http://", "").replace("https://", "").split("/", 1)[0]
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