doc/examples/example.py

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from pathlib import Path

import avro.schema
from avro.datafile import DataFileReader, DataFileWriter
from avro.io import DatumReader, DatumWriter

# read in the schema file
schema_text = Path("user.avsc").read_text()
# then parse it
schema = avro.schema.parse(schema_text)

# create a DataFileWriter to write data to a file
users_file = Path("/tmp/users.avro")
with users_file.open("wb") as users_fh, DataFileWriter(
    users_fh, DatumWriter(), schema
) as writer:
    writer.append({"name": "Alyssa", "favorite_number": 256})
    writer.append({"name": "Ben", "favorite_number": 7, "favorite_color": "red"})

# create a DataFileReader to read data from a file
with users_file.open("rb") as users_fh, DataFileReader(
    users_fh, DatumReader()
) as reader:
    for user in reader:
        print(user)