httpie-cli/httpie/output/utils.py
Mickaël Schoentgen d7ed45bbcd
Fix duplicate keys preservation of JSON data (#1163)
* Fix duplicate keys preservation of JSON data

* Update issue number

* Fix type annotations

* Changes after review

* Rewording
2021-09-21 19:07:59 +02:00

38 lines
1.0 KiB
Python

import json
import re
from typing import Tuple
from ..utils import load_json_preserve_order_and_dupe_keys
from .lexers.json import PREFIX_REGEX
def load_prefixed_json(data: str) -> Tuple[str, json.JSONDecoder]:
"""Simple JSON loading from `data`.
"""
# First, the full data.
try:
return '', load_json_preserve_order_and_dupe_keys(data)
except ValueError:
pass
# Then, try to find the start of the actual body.
data_prefix, body = parse_prefixed_json(data)
try:
return data_prefix, load_json_preserve_order_and_dupe_keys(body)
except ValueError:
raise ValueError('Invalid JSON')
def parse_prefixed_json(data: str) -> Tuple[str, str]:
"""Find the potential JSON body from `data`.
Sometimes the JSON body is prefixed with a XSSI magic string, specific to the server.
Return a tuple (data prefix, actual JSON body).
"""
matches = re.findall(PREFIX_REGEX, data)
data_prefix = matches[0] if matches else ''
body = data[len(data_prefix):]
return data_prefix, body