mirror of
https://github.com/botlabsDev/npkpy.git
synced 2025-12-10 06:54:37 +01:00
131 lines
4.6 KiB
Python
131 lines
4.6 KiB
Python
import struct
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from npkpy.npk.pck_header import NPK_PCK_HEADER
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MAGIC_BYTES = b"\x1e\xf1\xd0\xba"
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PCKSIZE = struct.pack("I", 28)
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MAGIC_AND_SIZE = MAGIC_BYTES + 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 get_dummy_npk_binary(cnt=None):
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if not cnt:
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cnt = DummyHeaderCnt().get_binary
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pckPayload = cnt
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pckLen = struct.pack("I", len(pckPayload))
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npkBinary = MAGIC_BYTES + pckLen + pckPayload
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return npkBinary
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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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_02_payload = _02_cnt_programName + \
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_03_cnt_versionRevision + \
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_04_cnt_versionRc + \
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_05_cnt_versionMinor + \
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_06_cnt_versionMajor + \
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_07_cnt_buildTime + \
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_08_cnt_nullBock + \
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_09a_cnt_flagsA
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_02_payloadSpecialFlag = _02_cnt_programName + \
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_03_cnt_versionRevision + \
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_04_cnt_versionRc + \
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_05_cnt_versionMinor + \
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_06_cnt_versionMajor + \
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_07_cnt_buildTime + \
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_08_cnt_nullBock + \
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_09b_cnt_flagsB
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@property
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def get_binary(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_payload
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@property
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def get_binary_with_special_flags(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_payloadSpecialFlag
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# pylint: disable=too-many-locals
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def get_dummy_requirements_header(structId):
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_00_cnt_id = struct.pack("H", 3)
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_01_cnt_payload_len = struct.pack("I", 35)
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_02_cnt_struct_id = struct.pack("H", 0)
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_03_cnt_program_name = struct.pack("16s", b"abcdefghijklmnop")
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_04_cnt_min_versionRevision = struct.pack("B", 3)
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_05_cnt_min_versionRc = struct.pack("B", 4)
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_06_cnt_min_versionMinor = struct.pack("B", 2)
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_07_cnt_min_versionMajor = struct.pack("B", 1)
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_08_cnt_nullBock = struct.pack("I", 0)
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_09_cnt_max_versionRevision = struct.pack("B", 7)
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_10_cnt_max_versionRc = struct.pack("B", 8)
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_11_cnt_max_versionMinor = struct.pack("B", 6)
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_12_cnt_max_versionMajor = struct.pack("B", 5)
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_13_cnt_flags = struct.pack("5B", 0, 0, 0, 0, 0)
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def _build_payload():
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return (_02_cnt_struct_id +
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_03_cnt_program_name +
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_04_cnt_min_versionRevision +
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_05_cnt_min_versionRc +
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_06_cnt_min_versionMinor +
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_07_cnt_min_versionMajor +
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_08_cnt_nullBock +
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_09_cnt_max_versionRevision +
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_10_cnt_max_versionRc +
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_11_cnt_max_versionMinor +
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_12_cnt_max_versionMajor +
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_13_cnt_flags
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)
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_02_cnt_struct_id = struct.pack(b"H", structId)
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return (_00_cnt_id + _01_cnt_payload_len + _build_payload())
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def get_dummy_basic_cnt(cnt_id=-1):
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_00_cnt_id = struct.pack("h", cnt_id)
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_02_cnt_payload = struct.pack("7s", b"Payload")
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_01_cnt_payload_len = struct.pack("I", len(_02_cnt_payload))
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return _00_cnt_id + _01_cnt_payload_len + _02_cnt_payload
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