class_docstr: A single entry in an artifact manifest.
class_docstr_tok: ["A","single","entry","in","an","artifact","manifest","."]
docstr: Get a URL to this artifact entry.
  
  These URLs can be referenced by another artifact.
  
  Returns:
      (str): A URL representing this artifact entry.
  
  Examples:
      Basic usage
      ```
      ref_url = source_artifact.get_entry('file.txt').ref_url()
      derived_artifact.add_reference(ref_url)
      ```
docstr_tok: ["Get","a","URL","to","this","artifact","entry",".","These","URLs","can","be","referenced","by","another","artifact",".","Returns",":","(","str",")",":","A","URL","representing","this","artifact","entry",".","Examples",":","Basic","usage","``","`","ref_url","=","source_artifact.get_entry","(","'file.txt","'",")",".ref_url","(",")","derived_artifact.add_reference","(","ref_url",")","``","`"]
code: def ref_url(self) -> str:
      """Get a URL to this artifact entry.
  
      These URLs can be referenced by another artifact.
  
      Returns:
          (str): A URL representing this artifact entry.
  
      Examples:
          Basic usage
          ```
          ref_url = source_artifact.get_entry('file.txt').ref_url()
          derived_artifact.add_reference(ref_url)
          ```
      """
      if self._parent_artifact is None:
          raise NotImplementedError
      assert self._parent_artifact.id is not None
      return (
          "wandb-artifact://"
          + b64_to_hex_id(B64MD5(self._parent_artifact.id))
          + "/"
          + self.path
      )
  
file_path: wandb/wandb/sdk/artifacts/artifact_manifest_entry.py
imports: import json
  import os
  from pathlib import Path
  from typing import TYPE_CHECKING, Dict, Optional, Union
  from urllib.parse import urlparse
  from wandb.errors.term import termwarn
  from wandb.sdk.lib import filesystem
  from wandb.sdk.lib.hashutil import B64MD5, ETag, b64_to_hex_id, hex_to_b64_id, md5_file_b64
  from wandb.sdk.lib.paths import FilePathStr, LogicalPath, StrPath, URIStr
label_desc: Use image node_id 8 for calling the ArtifactManifestEntry obj's underlying member method code with example usage: obj.ref_url() and returns: unknown