Files
state-hub/api/services/token_sources/codex.py

125 lines
4.5 KiB
Python

from __future__ import annotations
import json
from datetime import datetime
from pathlib import Path
from typing import Any
from api.services.token_sources.base import TokenSourceRecord, parse_iso
PARSER_VERSION = "codex-desktop-v1"
def iter_codex_session_files(codex_home: Path) -> list[Path]:
files: list[Path] = []
sessions = codex_home / "sessions"
archived = codex_home / "archived_sessions"
if sessions.is_dir():
files.extend(sorted(sessions.glob("*/*/*/*.jsonl")))
if archived.is_dir():
files.extend(sorted(archived.glob("*.jsonl")))
return files
def parse_codex_session(path: Path, since: datetime) -> TokenSourceRecord | None:
fallback_id = path.stem.removeprefix("rollout-")
session_id = fallback_id
started_at: datetime | None = None
last_at: datetime | None = None
cwd: str | None = None
model: str | None = None
tokens_in = tokens_out = 0
cached_input_tokens = reasoning_output_tokens = 0
raw_total_tokens = 0
usage_records = 0
malformed_lines = 0
try:
handle = path.open("r", encoding="utf-8", errors="ignore")
except OSError:
return None
with handle:
for line in handle:
try:
entry: dict[str, Any] = json.loads(line)
except json.JSONDecodeError:
malformed_lines += 1
continue
ts = entry.get("timestamp")
parsed_ts = parse_iso(ts) if isinstance(ts, str) else None
if parsed_ts:
last_at = parsed_ts
started_at = started_at or parsed_ts
payload = entry.get("payload") or {}
if entry.get("type") == "session_meta":
meta_id = payload.get("id")
if meta_id:
session_id = str(meta_id)
cwd = payload.get("cwd") or cwd
meta_ts = payload.get("timestamp")
if isinstance(meta_ts, str):
started_at = parse_iso(meta_ts)
elif entry.get("type") == "turn_context":
cwd = payload.get("cwd") or cwd
model = payload.get("model") or model
elif entry.get("type") == "event_msg" and payload.get("type") == "token_count":
if parsed_ts is None or parsed_ts < since:
continue
info = payload.get("info") or {}
last = info.get("last_token_usage") or {}
if not isinstance(last, dict):
continue
input_tokens = int(last.get("input_tokens") or 0)
output_tokens = int(last.get("output_tokens") or 0)
if input_tokens == 0 and output_tokens == 0:
continue
tokens_in += input_tokens
tokens_out += output_tokens
cached_input_tokens += int(last.get("cached_input_tokens") or 0)
reasoning_output_tokens += int(last.get("reasoning_output_tokens") or 0)
raw_total_tokens += int(last.get("total_tokens") or input_tokens + output_tokens)
usage_records += 1
last_at = parsed_ts
if usage_records == 0 or tokens_in + tokens_out == 0:
return None
return TokenSourceRecord(
source_provider="codex_session",
source_id=f"codex:{session_id}",
source_path=path,
source_created_at=last_at,
session_id=session_id,
cwd=cwd,
model=model,
agent="codex",
tokens_in=tokens_in,
tokens_out=tokens_out,
cached_input_tokens=cached_input_tokens,
reasoning_output_tokens=reasoning_output_tokens,
raw_total_tokens=raw_total_tokens or None,
parser_version=PARSER_VERSION,
confidence=1.0,
raw_metadata={
"started_at": started_at.isoformat() if started_at else None,
"usage_records": usage_records,
"malformed_lines": malformed_lines,
"source_file_name": path.name,
},
)
def collect_codex_sessions(codex_home: Path, since: datetime) -> list[TokenSourceRecord]:
by_id: dict[str, TokenSourceRecord] = {}
for path in iter_codex_session_files(codex_home):
parsed = parse_codex_session(path, since)
if parsed is None:
continue
current = by_id.get(parsed.source_id)
if current is None or parsed.tokens_total > current.tokens_total:
by_id[parsed.source_id] = parsed
return sorted(by_id.values(), key=lambda item: item.source_created_at or datetime.min.replace(tzinfo=since.tzinfo))