fixeria has uploaded this change for review. ( 
https://gerrit.osmocom.org/c/pysim/+/29226 )


Change subject: construct: use Python's API for int<->bytes conversion
......................................................................

construct: use Python's API for int<->bytes conversion

Argument 'signed' was added in [1] and become available since v2.10.63.
Therefore using bytes2integer() and integer2bytes() from construct.core
bumps the minimum required version of construct to v2.10.63.  For
instance, debian:bullseye currently ships v2.10.58.

There is no strict requirement to use construct's API, so let's use
Python's API instead.  This allows using older construct versions
from the v2.9.xx family.

Change-Id: I613dbfebe993f9c19003635371941710fc1b1236
Related: [1] 660ddbe2d9a351731ad7976351adbf413809a715 construct.git
Related: OS#5666
---
M pySim/construct.py
1 file changed, 3 insertions(+), 3 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/26/29226/1

diff --git a/pySim/construct.py b/pySim/construct.py
index 4910a7f..97af235 100644
--- a/pySim/construct.py
+++ b/pySim/construct.py
@@ -2,7 +2,7 @@
 from construct.core import EnumIntegerString
 import typing
 from construct import *
-from construct.core import evaluate, bytes2integer, integer2bytes, 
BitwisableString
+from construct.core import evaluate, BitwisableString
 from construct.lib import integertypes
 from pySim.utils import b2h, h2b, swap_nibbles
 import gsm0338
@@ -219,7 +219,7 @@
         if evaluate(self.swapped, context):
             data = swapbytes(data)
         try:
-            return bytes2integer(data, self.signed)
+            return int.from_bytes(data, byteorder='big', signed=self.signed)
         except ValueError as e:
             raise IntegerError(str(e), path=path)

@@ -248,7 +248,7 @@
             raise IntegerError(f"value {obj} is not an integer", path=path)
         length = self.__bytes_required(obj, self.minlen)
         try:
-            data = integer2bytes(obj, length, self.signed)
+            data = obj.to_bytes(length, byteorder='big', signed=self.signed)
         except ValueError as e:
             raise IntegerError(str(e), path=path)
         if evaluate(self.swapped, context):

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Gerrit-Project: pysim
Gerrit-Branch: master
Gerrit-Change-Id: I613dbfebe993f9c19003635371941710fc1b1236
Gerrit-Change-Number: 29226
Gerrit-PatchSet: 1
Gerrit-Owner: fixeria <[email protected]>
Gerrit-MessageType: newchange

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