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"""
Utilities for converting data types into structured JSON for dumping.
"""
import traceback
from typing import Dict, Sequence
import torch._logging._internal
INTERN_TABLE: Dict[str, int] = {}
def intern_string(s: str) -> int:
r = INTERN_TABLE.get(s, None)
if r is None:
r = len(INTERN_TABLE)
INTERN_TABLE[s] = r
torch._logging._internal.trace_structured(
"str", lambda: (s, r), suppress_context=True
)
return r
def from_traceback(tb: Sequence[traceback.FrameSummary]) -> object:
r = []
for frame in tb:
# dict naming convention here coincides with
# python/combined_traceback.cpp
r.append(
{
"line": frame.lineno,
"name": frame.name,
"filename": intern_string(frame.filename),
}
)
return r
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