Disable `ensure_ascii` on `json.dumps`

Open Beginner friendly

#170 opened on Jun 20, 2025 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 2/5
Estimated time: 1-3 hours
Newbie friendliness: 64/100

Issue type: Bug
Clarity: Clearly specified
Activity status: Stale
Tech stack: python
Domain: observability

Research direction

Start by searching the project for json.dumps and the formatter used by ecs_logging.StdlibFormatter. Run the supplied Python reproduction to confirm the current escaped output, then verify that non-English characters appear directly in both message fields while the result remains valid JSON.

Written by the indexing model from the issue text.

Description

agent-python community triage

Current output is unreadable in console if any language other than English is used in the messages.

Reproduction code:

import logging
import ecs_logging

logger = logging.getLogger()
logger.setLevel(logging.INFO)
handler = logging.StreamHandler()
handler.setFormatter(ecs_logging.StdlibFormatter())
logger.addHandler(handler)

logger.info("안녕하세요")

Expected output:

{
  "@timestamp": "2025-06-20T06:39:24.589Z",
  "log.level": "info",
  "message": "안녕하세요",
  "ecs.version": "1.6.0",
  "log": {
    "logger": "root",
    "origin": {
      "file": { "line": 10, "name": "<python-input-2>" },
      "function": "<module>"
    },
    "original": "안녕하세요"
  },
  "process": {
    "name": "MainProcess",
    "pid": 302584,
    "thread": { "id": 140083028806592, "name": "MainThread" }
  }
}

Received output:

{
  "@timestamp": "2025-06-20T06:39:24.589Z",
  "log.level": "info",
  "message": "\uc548\ub155\ud558\uc138\uc694",
  "ecs.version": "1.6.0",
  "log": {
    "logger": "root",
    "origin": {
      "file": { "line": 10, "name": "<python-input-2>" },
      "function": "<module>"
    },
    "original": "\uc548\ub155\ud558\uc138\uc694"
  },
  "process": {
    "name": "MainProcess",
    "pid": 302584,
    "thread": { "id": 140083028806592, "name": "MainThread" }
  }
}

Dominant language: Python
Stars: 74
Forks: 33
Avg merge: 9h 3m
Merged PRs (30d): 1

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