[script] developing arch converting script

openfpga_flow/scripts/arch_file_updater.py

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+# = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
+# Script Name   : arch_file_updater.py
+# Description   : This script designed to update architecture files 
+#                 from a lower version to higher version
+# Author        : Xifan Tang
+# Email         : xifan@osfpga.org
+# = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = =
+import os
+from os.path import dirname, abspath
+import argparse
+import logging
+import shutil
+import xml.etree.ElementTree as ET
+
+#####################################################################
+# Error codes
+#####################################################################
+error_codes = {
+  "SUCCESS": 0,
+  "ERROR": 1, 
+  "OPTION_ERROR": 2, 
+  "FILE_ERROR": 3 
+}
+
+#####################################################################
+# Initialize logger 
+#####################################################################
+logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.INFO);
+
+#####################################################################
+# Upgrade an architecture XML file from version 1.1 syntax to version 1.2
+# Change rules:
+# - Create a new child node of <sub_tile> under each node of <tile>
+# - A <sub_tile> node herits the attribute 'name' of its parent <tile>
+# - A <sub_tile> node herits the attribute 'capacity' of its parent <tile>
+# - Any child nodes under a <tile> are moved to <sub_tile>
+# - The attribute 'capacity' of parent <tile> is removed
+#####################################################################
+def convert_arch_xml_from_v1p1_to_v1p2(input_fname, output_fname):
+  logging.info("Converting \'" + input_fname + "\'" + " to " + "\'" + output_fname + "\'")
+  # Parse the input file
+  tree = ET.parse(input_fname)
+  root = tree.getroot() 
+
+  # Iterate over <tile> nodes
+  tile_root_count = 0
+  for tile_root in root.iter("tiles"):
+    tile_root_count += 1
+  if (tile_root_count != 1):
+  logging.error("Fail to find a require node (one and only one) <tiles> under the root node!")
+    
+
+  logging.info("[Done]")
+
+
+#####################################################################
+# Main function
+#####################################################################
+if __name__ == '__main__':
+  # Execute when the module is not initialized from an import statement
+
+  # Parse the options and apply sanity checks
+  parser = argparse.ArgumentParser(description='Convert an architecture file from a lower version to a higher version')
+  parser.add_argument('--input_file',
+                      required=True,
+                      help='Path to input architecture file')
+  parser.add_argument('--output_file',
+                      default="converted_arch.xml",
+                      help='Path to output converted architecture file')
+  args = parser.parse_args()
+
+  # Run conversion: from v1.1 syntax to v1.2 syntax
+  convert_arch_xml_from_v1p1_to_v1p2(args.input_file, args.output_file)