79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
import random
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from datetime import datetime
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MONTH_CODES = "ABCDEFGHIJKL"
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SAFE_CHARS = "ABCDEFGHJKLMNPQRSTUVWXYZ23456789" # No 0, O, 1, I — avoids label confusion
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# Family segment (chars 3-6 of segment 1, after "BS")
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BOARD_FAMILY_CODES = {
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"vesper": "VSPR",
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"vesper_plus": "VSPR",
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"vesper_pro": "VSPR",
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"agnus": "AGNS",
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"agnus_mini": "AGNS",
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"chronos": "CRNS",
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"chronos_pro": "CRNS",
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}
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# Variant segment (first 3 chars of segment 3)
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BOARD_VARIANT_CODES = {
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"vesper": "STD",
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"vesper_plus": "PLS",
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"vesper_pro": "PRO",
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"agnus": "STD",
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"agnus_mini": "MIN",
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"chronos": "STD",
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"chronos_pro": "PRO",
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}
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def _version_suffix(board_version: str) -> str:
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"""Convert version string to 3-char suffix.
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Rules:
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- Strip the dot: "2.3" → "23", "10.2" → "102"
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- If result is 2 digits, append "R": "23" → "23R"
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- If result is already 3 digits, use as-is: "102" → "102"
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"""
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digits = board_version.replace(".", "")
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if len(digits) >= 3:
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return digits[:3]
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return digits.ljust(2, "0") + "R"
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def generate_serial(board_type: str, board_version: str) -> str:
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"""Generate a serial number in the format BSFFFF-YYMDDFX-VVVHHH-XXXXXX.
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Format: BSFFFF-YYMDDf-VVVvvv-XXXXXX
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BS = Bell Systems (static)
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FFFF = 4-char family code (VSPR, AGNS, CRNS)
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YY = 2-digit year
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M = month code A-L
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DD = 2-digit day
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f = random filler char
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VVV = 3-char variant (STD, PLS, PRO, MIN)
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vvv = 3-char version suffix (e.g. 23R, 102)
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XXXXXX = 6-char random suffix
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board_type: enum value e.g. 'vesper', 'vesper_plus', 'vesper_pro'
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board_version: version string e.g. '2.3', '10.2'
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"""
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key = board_type.lower()
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family = BOARD_FAMILY_CODES.get(key, "UNKN")
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variant = BOARD_VARIANT_CODES.get(key, "UNK")
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ver = _version_suffix(board_version)
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now = datetime.utcnow()
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year = now.strftime("%y")
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month = MONTH_CODES[now.month - 1]
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day = now.strftime("%d")
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filler = random.choice(SAFE_CHARS)
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suffix = "".join(random.choices(SAFE_CHARS, k=6))
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seg1 = f"BS{family}" # e.g. BSVSPR
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seg2 = f"{year}{month}{day}{filler}" # e.g. 26C13X
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seg3 = f"{variant}{ver}" # e.g. PRO23R
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seg4 = suffix # e.g. X9K4M2
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return f"{seg1}-{seg2}-{seg3}-{seg4}"
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