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Export/import a PySpark schema to/from a JSON file
import json
from pyspark.sql.types import *
# Define the schema
schema = StructType(
[StructField("name", StringType(), True), StructField("age", IntegerType(), True)]
)
# Write the schema
with open("schema.json", "w") as f:
json.dump(schema.jsonValue(), f)
# Read the schema
with open("schema.json") as f:
new_schema = StructType.fromJson(json.load(f))
print(new_schema.simpleString())
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