mirror of
https://github.com/botlabsDev/npkpy.git
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89 lines
2.9 KiB
Python
89 lines
2.9 KiB
Python
# HEADER
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import struct
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from npkpy.npk.pckHeader import NPK_PCK_HEADER
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MAGICBYTES = b"\x1e\xf1\xd0\xba"
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PCKSIZE = struct.pack("I", 28)
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MAGIC_AND_SIZE = MAGICBYTES + PCKSIZE
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# OPENING ARCHITECTURE_TAG
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SET_HEADER_TAG_ID = struct.pack("H", NPK_PCK_HEADER) # b"\x01\x00"
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SET_HEADER_TAG_PAYLOAD = bytes("NAME OF PROGRAM".encode())
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SET_HEADER_TAG_SIZE = struct.pack("I", len(SET_HEADER_TAG_PAYLOAD))
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CNT_SET_ARCHITECTURE_TAG = SET_HEADER_TAG_ID + \
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SET_HEADER_TAG_SIZE + \
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SET_HEADER_TAG_PAYLOAD
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# CLOSING ARCHITECTURE_TAG
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CLOSING_ARCHITECTURE_TAG_ID = struct.pack("H", 1) # b"\x01\x00"
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CLOSING_ARCHITECTURE_TAG_PAYLOAD = struct.pack("s", b"I")
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CLOSING_ARCHITECTURE_TAG_SIZE = struct.pack("I", len(CLOSING_ARCHITECTURE_TAG_PAYLOAD))
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CNT_CLOSING_ARCHITECTURE_TAG = CLOSING_ARCHITECTURE_TAG_ID + \
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CLOSING_ARCHITECTURE_TAG_SIZE + \
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CLOSING_ARCHITECTURE_TAG_PAYLOAD
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# MINIMAL_NPK_PAKAGE
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MINIMAL_NPK_PACKAGE = MAGIC_AND_SIZE + \
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CNT_SET_ARCHITECTURE_TAG + \
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CNT_CLOSING_ARCHITECTURE_TAG
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def getDummyNpkBinary(payload=None):
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if not payload:
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payload = DummyHeaderCnt().binHeaderCntA
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pckPayload = payload
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pckLen = struct.pack("I", len(pckPayload))
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npkBinary = MAGICBYTES + pckLen + pckPayload
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return npkBinary
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class DummyBasicCnt:
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_00_cnt_id = struct.pack("h", -1)
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_01_cnt_payload_len = struct.pack("I", 7)
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_02_cnt_payload = struct.pack("7s", b"Payload")
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@property
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def binCnt(self):
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return self._00_cnt_id + \
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self._01_cnt_payload_len + \
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self._02_cnt_payload
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class DummyHeaderCnt:
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_00_cnt_id = struct.pack("H", 1)
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_01_cnt_payload_len = struct.pack("I", 35)
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_02_cnt_programName = struct.pack("16s", b"01234567890abcdef")
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_03_cnt_versionRevision = struct.pack("B", 3)
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_04_cnt_versionRc = struct.pack("B", 4)
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_05_cnt_versionMinor = struct.pack("B", 2)
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_06_cnt_versionMajor = struct.pack("B", 1)
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_07_cnt_buildTime = struct.pack("I", 1)
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_08_cnt_nullBock = struct.pack("I", 0)
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_09a_cnt_flagsA = struct.pack("7B", 0, 0, 0, 0, 0, 0, 0)
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# _09b_cnt_flagsB = struct.pack("4B", 0, 0, 0, 0)
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@property
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def binHeaderCntA(self):
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return self._binBasicHeaderCnt + self._09a_cnt_flagsA
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# @property
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# def binHeaderCntB(self):
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# return self._binBasicHeaderCnt + self._09b_cnt_flagsB
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@property
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def _binBasicHeaderCnt(self):
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return self._00_cnt_id + \
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self._01_cnt_payload_len + \
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self._02_cnt_programName + \
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self._03_cnt_versionRevision + \
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self._04_cnt_versionRc + \
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self._05_cnt_versionMinor + \
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self._06_cnt_versionMajor + \
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self._07_cnt_buildTime + \
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self._08_cnt_nullBock
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