avroファイルをJupyterノートブックで開く

メモ：

import fastavro
import pandas as pd
import cramjam
from io import BytesIO

def read_avro_file(filename):
    records = []
    with open(filename, 'rb') as f:
        reader = fastavro.reader(f)
        for record in reader:
            records.append(record)
    return records

avro_file = './allevents.avro'

# Read
avro_data = read_avro_file(avro_file)

# Dataframe magic!
df = pd.DataFrame(avro_data)

# display as table! 
df