Thank you for the review Michael. @Rebecca Cran, @Liming Gao have you had time to take a look at this? It is a fairly simple change, following the same logic as xdrlib with a few modifications to use some newer python functionality.

Thank you for fixing this.

Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>

> -----Original Message-----
> From: Joey Vagedes <joey.vagedes@gmail.com>
> Sent: Tuesday, June 27, 2023 9:27 AM
> To: devel@edk2.groups.io
> Cc: Rebecca Cran <rebecca@bsdio.com>; Gao, Liming
> <gaoliming@byosoft.com.cn>; Feng, Bob C <bob.c.feng@intel.com>; Chen,
> Christine <yuwei.chen@intel.com>; Kinney, Michael D
> <michael.d.kinney@intel.com>
> Subject: [PATCH v1 1/1] BaseTools: BinToPcd: Resolve xdrlib deprecation
>
> Removes the dependency on xdrlib and replaces it with custom logic to
> pack a per the xdr requirements. Necessary as xdrlib is being deprecated
> in python 3.13.
>
> Cc: Rebecca Cran <rebecca@bsdio.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Cc: Bob Feng <bob.c.feng@intel.com>
> Cc: Yuwei Chen <yuwei.chen@intel.com>
> Cc: Michael D Kinney <michael.d.kinney@intel.com>
> Signed-off-by: Joey Vagedes <joeyvagedes@gmail.com>
> ---
>  BaseTools/Scripts/BinToPcd.py | 19 +++++++++++++++----
>  1 file changed, 15 insertions(+), 4 deletions(-)
>
> diff --git a/BaseTools/Scripts/BinToPcd.py b/BaseTools/Scripts/BinToPcd.py
> index 3bc557b8412c..460c08b7f7cd 100644
> --- a/BaseTools/Scripts/BinToPcd.py
> +++ b/BaseTools/Scripts/BinToPcd.py
> @@ -14,6 +14,9 @@ import sys
>  import argparse
>
>  import re
>
>  import xdrlib
>
> +import io
>
> +import struct
>
> +import math
>
>
>
>  #
>
>  # Globals for help information
>
> @@ -46,16 +49,24 @@ if __name__ == '__main__':
>              raise argparse.ArgumentTypeError (Message)
>
>          return Argument
>
>
>
> +    def XdrPackBuffer (buffer):
>
> +        packed_bytes = io.BytesIO()
>
> +        for unpacked_bytes in buffer:
>
> +            n = len(unpacked_bytes)
>
> +            packed_bytes.write(struct.pack('>L',n))
>
> +            data = unpacked_bytes[:n]
>
> +            n = math.ceil(n/4)*4
>
> +            data = data + (n - len(data)) * b'\0'
>
> +            packed_bytes.write(data)
>
> +        return packed_bytes.getvalue()
>
> +
>
>      def ByteArray (Buffer, Xdr = False):
>
>          if Xdr:
>
>              #
>
>              # If Xdr flag is set then encode data using the Variable-
> Length Opaque
>
>              # Data format of RFC 4506 External Data Representation
> Standard (XDR).
>
>              #
>
> -            XdrEncoder = xdrlib.Packer ()
>
> -            for Item in Buffer:
>
> -                XdrEncoder.pack_bytes (Item)
>
> -            Buffer = bytearray (XdrEncoder.get_buffer ())
>
> +            Buffer = bytearray (XdrPackBuffer (Buffer))
>
>          else:
>
>              #
>
>              # If Xdr flag is not set, then concatenate all the data
>
> --
> 2.41.0.windows.1