code: def pytest_put_blobs_case(meta=None):
      put_prefix = os.path.join(S3ROOT, PUT_PREFIX)
      cases = []
      ids = []
      for prefix, filespecs in BIG_DATA:
          expected = {}
          blobs = []
          for fname, size in filespecs.items():
              blob = RandomFile(prefix, fname, size)
              checksum = blob.checksum()
              key = str(uuid4())
              expected[os.path.join(put_prefix, key)] = {
                  None: ExpectedResult(
                      size=blob.size,
                      checksum=checksum,
                      content_type=None,
                      metadata=None,
                      range=None,
                  )
              }
              blobs.append((key, blob.data))
              if meta is not None:
                  for content_type, usermeta in meta.values():
                      key = str(uuid4())
                      expected[os.path.join(put_prefix, key)] = {
                          None: ExpectedResult(
                              size=len(blob),
                              checksum=checksum,
                              content_type=content_type,
                              metadata=usermeta,
                              range=None,
                          )
                      }
                      blobs.append(
                          S3PutObject(
                              key=key,
                              value=blob.data,
                              content_type=content_type,
                              metadata=usermeta,
                          )
                      )
          ids.append(prefix)
          cases.append((put_prefix, blobs, expected))
      return {"argvalues": cases, "ids": ids}
  
imports: import os
  import sys
  import zlib
  import json
  from uuid import uuid4
  from hashlib import sha1
  from collections import namedtuple
  from metaflow.plugins.datatools.s3 import S3PutObject
  from metaflow.util import to_fileobj, to_bytes, url_quote
  import numpy
  from ..None import s3client, S3ROOT
label_desc: Use image node_id 11 for calling a global function with example usage: pytest_put_blobs_case(meta) and returns: dict