我有一个要解析的带有区块链数据的巨大文本文件，以便可以从所需字段中获取信息。我曾尝试将其转换为json，但表示无效。经过一番思考，我意识到这不是最好的方法，因为我只想要2或3个字段。有人可以帮助我找到从文件中提取数据的最佳方法吗？下面有一个例子。我只想要txid大小和哈希。
{
"txid": "254d5cc8d2b1889a2cb45f7e3dca8ed53a3fcfa32e8b9eac5f68c4f09e7af7bd",
"hash": "a8e125eb6d7ab883177d8ab228a3d09c1733d1ca49b7b2dff4b057eeb80ff9be",
"version": 2,
"size": 171,
"vsize": 144,
"weight": 576,
"locktime": 0,
"vin": [
{
"coinbase": "02ee170101",
"sequence": 4294967295
}
],
"vout": [
{
"value": 12.00000000,
"n": 0,
"scriptPubKey": {
"asm": "OP_HASH160 cd5b833dd43bc60b8c28c4065af670f283a203ff OP_EQUAL",
"hex": "a914cd5b833dd43bc60b8c28c4065af670f283a203ff87",
"reqSigs": 1,
"type": "scripthash",
"addresses": [
"2NBy4928yJakYBFQuXxXBwXjsLCRWgzyiGm"
]
}
},
{
"value": 5.00000000,
"n": 1,
"scriptPubKey": {
"asm": "OP_HASH160 cd5b833dd43bc60b8c28c4065af670f283a203ff OP_EQUAL",
"hex": "a914cd5b833dd43bc60b8c28c4065af670f283a203ff87",
"reqSigs": 1,
"type": "scripthash",
"addresses": [
"2NBy4928yJakYBFQuXxXBwXjsLCRWgzyiGm"
]
}
}
],
"hex":
"020000000001010000000000000000000000000000000000000000000000000000000000000000
ffffffff0502ee170101ffffffff02000000000000000017a914cd5b833dd43bc60b8c28c4065af670f283a
203ff870000000000000000266a24aa21a9ede2f61c3f71d1defd3fa999dfa36953755c69068979996
2b48bebd836974e8cf9012000000000000000000000000000000000000000000000000000000000
0000000000000000",
"blockhash": "0f84abb78891a4b9e8bc9637ec5fb8b4962c7fe46092fae99e9d69373bf7812a",
"confirmations": 1,
"time": 1590830080,
"blocktime": 1590830080
}
谢谢
@andrewjames是正确的。如果您无法控制JSON文件，则可以通过删除换行符来解决错误：
parsed = json.loads(jsonText.replace("\n", ""))
然后，您可以像普通字典一样访问所需的字段：
print(parsed['txid'])
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我来说两句