Function print_summary

ci/bloat.py:204–245

Read report.json and print a top-N table of flash bloat.

(report_json: Path, top: int)

def print_summary(report_json: Path, top: int) -> None:
    """Read report.json and print a top-N table of flash bloat."""
    data = json.loads(report_json.read_text(encoding="utf-8"))
    flash_syms = [s for s in data["symbols"] if s["region"] == "flash"]
    total_flash: int = int(data["total_flash"])
    total_ram: int = int(data["total_ram"])

    by_name: dict[str, _AggBucket] = {}
    for s in flash_syms:
        n: str = s["demangled"]
        bucket = by_name.setdefault(n, _AggBucket())
        bucket.size += int(s["size"])
        if not bucket.archive:
            bucket.archive = s.get("archive") or "(none)"
            bucket.object = s.get("object") or "-"
        bucket.sources.add(s["source"])

    rows: list[tuple[str, _AggBucket]] = sorted(
        by_name.items(), key=lambda kv: -kv[1].size
    )[:top]

    print()
    print(
        f"Total flash: {total_flash:,} B  "
        f"({len(flash_syms):,} sized flash symbols).  "
        f"RAM: {total_ram:,} B."
    )
    print()
    print(f"{'#':>3}  {'BYTES':>8}  {'ARCHIVE':<22}  {'OBJECT':<26}  SYMBOL")
    print("-" * 120)
    for i, (name, bucket) in enumerate(rows, 1):
        srcs = "/".join(sorted(bucket.sources))
        shown = name if len(name) <= 70 else name[:67] + "..."
        print(
            f"{i:>3}  {bucket.size:>8,}  "
            f"{bucket.archive[:22]:<22}  {bucket.object[:26]:<26}  "
            f"{shown}  [{srcs}]"
        )
    print()
    print("Artifacts:")
    print(f"  JSON: {report_json}")
    print(f"  MD:   {report_json.with_name('report.md')}")


def main() -> int: