如何解决AWS Glue - 将来自 GET(REST API) 请求的 Json 响应转换为 DataFrame/DyanamicFramce 并将其存储在 s3 存储桶中
headersAPI = {
'Content-Type': 'application/json','accept': 'application/json','Authorization': 'Bearer XXXXXXXXXXXXXXXXXXXXXXXXXX',}
skill_response=requests.get("XXXXXX",headers=headersAPI),headers=headersAPI)
log.info(skill_response.text)
skill_json=skill_response.json()
print(skill_json) ##print the json data and verified
log.info('skills data')
log.info(skill_json["status"])
DataSink0 = glueContext.write_dynamic_frame.from_options(frame =
skill_json,connection_type = "s3",format = "csv",connection_options=
{"path": "s3://xxxxx/","partitionKeys": []},transformation_ctx= "DataSink0")
job.commit()
类型错误:frame_or_dfc 必须是 DynamicFrame 或DynamicFrameCollection。得到
在写入 S3 时出现此错误:'dict' object has no attribute '_jdf'
解决方法
通过首先从响应字符串创建一个 DataFrame(讨论 here),然后将此 DataFrame 转换为 DynamicFrame,可以将 JSON 响应转换为 DynamicFrame。
这个例子应该可以工作:
import requests
from awsglue.job import Job
from pyspark.context import SparkContext
from awsglue import DynamicFrame
from awsglue.context import GlueContext
sc = SparkContext()
glueContext = GlueContext(sc)
spark = glueContext.spark_session
job = Job(glueContext)
r = requests.get(url='https://api.github.com/users?since=100')
df = spark.read.json(sc.parallelize([r.text]))
dynamic_frame = DynamicFrame.fromDF(
df,glue_ctx=glueContext,name="df"
)
#dynamic_frame.show()
DataSink0 = glueContext.write_dynamic_frame.from_options(
frame=dynamic_frame,connection_type="s3",format="csv",connection_options={"path": "s3://xxxxx/","partitionKeys": []},transformation_ctx="DataSink0")
job.commit()
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