 shawn
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c64baf2c45
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classify_makes: add short 8-digit DN + 76/77 prefix rules
Covers 3 additional edge cases found in unmatched:
- 8-digit 114xxxx / 241xxxx → DN (short serial format)
- 10-digit 76xxxx / 77xxxx → DN (no alpha suffix variant)
Unknown make: 130 → 6 (95.4% classified)
6 remaining: garbage serials (00, 520, a×3) + RY01023590 (low-conf Royal)
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2026-05-22 19:10:42 -04:00 |
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shawn
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4f33afb445
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classify_makes.py: serial number → make/model/class classification
Classifies Unknown-make assets by serial number prefix patterns,
cross-referenced against Cantaloupe Excel export data.
Handles:
- Character substitution errors (S→5, I→1, O→0)
- Double-strike/extra character cleanup (I5SS → 155)
- 8 rule sets: Vendo, Crane (167/168/186/187/222/221/47x),
DN/Dixie Narco, Royal (20xx/BA/CA/PA), USI, AMS, VE
- Confidence levels: high/medium/low
- Dry-run + --apply modes
- --stats for post-classification summary
Result: 121/130 unknown machines classified (93%)
76 Vendo, 14 DN, 12 Crane, 8 Royal, 6 USI, 1 AMS
9 remaining: garbage serials (a, 00, 520) + one-offs
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2026-05-22 19:02:04 -04:00 |
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