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Fix project hash on Windows (paths with forward slashes) #173

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Merged
mbel-tech merged 1 commit into from
Oct 16, 2026
Merged

Fix project hash on Windows (paths with forward slashes) #173

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16 changes: 9 additions & 7 deletions track2data/core/models.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@
import math
from dataclasses import dataclass, field
from datetime import datetime
from pathlib import Path
from pathlib import Path, PurePath
from typing import TYPE_CHECKING, Any, Literal

import numpy as np
Expand Down Expand Up @@ -737,6 +737,10 @@ class ExportTarget(BaseModel):
# ── Project manifest ──────────────────────────────────────────────────────────


def _hash_default(value: object) -> str:
return value.as_posix() if isinstance(value, PurePath) else str(value)


class ProjectManifest(BaseModel):
schema_version: int = 1
# Stamped into every exported manifest.json and the run README's
Expand Down Expand Up @@ -771,12 +775,10 @@ class ProjectManifest(BaseModel):

def project_hash(self) -> str:
"""16-char hex hash of the manifest content (timestamps excluded)."""
# JSON mode writes a path with forward slashes on every platform, so the same project
# hashes the same on Windows and elsewhere.
data: dict[str, Any] = self.model_dump(
mode="json", exclude={"created_at", "updated_at", "run_log_path"}
)
serialised = json.dumps(data, sort_keys=True, default=str)
data: dict[str, Any] = self.model_dump(exclude={"created_at", "updated_at", "run_log_path"})
# A path is written with forward slashes on every platform, so the same project hashes the
# same on Windows and elsewhere (``as_posix`` equals ``str`` on posix).
serialised = json.dumps(data, sort_keys=True, default=_hash_default)
return hashlib.sha256(serialised.encode()).hexdigest()[:16]


Expand Down