尝试上传 JSON 字符串并覆盖 GCS 存储桶中的现有对象时,出现以下错误。
google.api_core.exceptions.BadRequest: 400 POST https://storage.googleapis.com/upload/storage/v1/b/cc-freshdesk/o?uploadType=multipart: {
"error": {
"code": 400,
"message": "Provided CRC32C \"i8Z/Pw==\" doesn't match calculated CRC32C \"mVn0oQ==\".",
"errors": [
{
"message": "Provided CRC32C \"i8Z/Pw==\" doesn't match calculated CRC32C \"mVn0oQ==\".",
"domain": "global",
"reason": "invalid"
},
{
"message": "Provided MD5 hash \"6NMASNWhbd4WlIj/tWK4Sw==\" doesn't match calculated MD5 hash \"9H5THzsUBARmhzw5NjjgNw==\".",
"domain": "global",
"reason": "invalid"
}
]
}
}
: ('Request failed with status code', 400, 'Expected one of', <HTTPStatus.OK: 200>)
找到下面的代码片段:
storage_client = storage.Client()
bucket = storage_client.bucket(bucket_name)
config_blob = bucket.blob(destination_blob_name)
config_blob.upload_from_string(json.dumps(config_data,indent=4), content_type='text/plain')
谁能帮助我理解为什么会出现这个问题。
要复制您遇到的错误:
import json
from google.cloud import storage
client = storage.Client()
bucket = client.get_bucket('some-bucket')
# blob1 object
blob1 = bucket.get_blob('file.json')
# downloads content
blob1_string = blob1.download_as_string()
# converts to dict and update content
blob1_obj = json.loads(blob1_string)
blob1_obj['some-key'] = 'some value'
# upload using same blob instance
blob1.upload_from_string(json.dumps(blob1_obj))
# throws error like this `Provided MD5 hash "Ax9olGoqOSb7Nay2LNkCSQ==\" #doesn't match calculated MD5 hash \"XCMPR0o7NdgmI5zN1fMm6Q==\".",
您可能正在使用相同的 blob 来下载和上传内容。为了防止出现此错误,您需要创建两个 blob 实例:
import json
from google.cloud import storage
client = storage.Client()
bucket = client.get_bucket("some-bucket")
# blob1 object -- for downloading contents
blob1 = bucket.get_blob('file.json')
blob1_string = blob1.download_as_string()
# Convert to dictionary
blob1_obj = json.loads(blob1_string)
# Add stuff
blob1_obj['some-key'] = 'some value'
# blob2 object -- for uploading contents
blob2 = bucket.get_blob('file.json')
blob2.upload_from_string(json.dumps(blob1_obj))
# no error
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