mbirth/gcd-parser
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More import stuff.

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This commit is contained in:
Markus Birth 2018-10-21 22:38:34 +02:00
parent 048fe9c887
commit becb94eb88
Signed by: mbirth
GPG Key ID: A9928D7A098C3A9A
1 changed files with 24 additions and 5 deletions
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29
grmn/tlv.py
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@ -1,7 +1,7 @@
# -*- coding: utf-8 -*-
from . import devices
from binascii import hexlify
from binascii import hexlify, unhexlify
from struct import pack, unpack
TLV_TYPES = {
@ -101,7 +101,10 @@ class TLV:
return data
def load_dump(self, values):
pass
for (k, v) in values:
if k == "value":
self.value = unhexlify("".join(v.split(" ")))
self.length = len(self.value)
@staticmethod
def create_from_dump(values):
@ -121,9 +124,9 @@ class TLV1(TLV):
return data
def load_dump(self, values):
for (k, v) in values:
if k == "value":
self.value = int(v, 0)
# Will be calculated in a final pass
self.value = 0x00
self.length = 1
class TLV2(TLV):
def dump(self):
@ -132,6 +135,12 @@ class TLV2(TLV):
data.append(("length", self.get_actual_length(), "Length of padding block"))
return data
def load_dump(self, values):
for (k, v) in values:
if k == "length":
self.value = b"\x00" * int(v)
self.length = len(self.value)
class TLV5(TLV):
def dump(self):
data = []
@ -140,6 +149,16 @@ class TLV5(TLV):
data.append(("text", self.value.decode("utf-8"), None))
return data
def load_dump(self, values):
for (k, v) in values:
if k == "text":
self.value = v.encode("utf-8")
elif k == "length":
self.length = int(v)
if len(self.value) != self.length:
print("WARNING: Imported copyright text doesn't match supposed length.")
self.length = len(self.value)
class TLV6(TLV):
"""
Describes following TLV7: