IOSAD-232 Update the python script for generated files

build-mac/scripts/python/update_engine_generated_files.py

@@ -0,0 +1,83 @@
+#!/usr/bin/env python3
+
+#
+# Updates the list of engine-generated files.
+#
+# Usage (from the top of the checked out engine):
+# python3 build-mac/scripts/python/update_engine_generated_files.py
+#
+
+import os
+import subprocess
+
+from os.path import isfile, join, splitext
+
+# The engine source directory
+ENGINE_BASE_DIR = '.'
+
+SYNC_DIR_GENERATED = join(ENGINE_BASE_DIR, 'codegen/generated')
+ASN_DIR_GENERATED = join(ENGINE_BASE_DIR, 'asn.1')
+DES_DIR = join(ENGINE_BASE_DIR, 'build-mac')
+DEST_ASN_LIST = join(DES_DIR, 'generated-files-asn1.txt')
+DEST_SYNC_LIST = join(DES_DIR, 'generated-files-sync.txt')
+
+
+class Pushd:
+    """Context manager for changing the current working directory"""
+
+    def __init__(self, new_path):
+        self.new_path = os.path.expanduser(new_path)
+
+    def __enter__(self):
+        self.saved_path = os.getcwd()
+        os.chdir(self.new_path)
+
+    def __exit__(self, etype, value, traceback):
+        os.chdir(self.saved_path)
+
+
+def cfiles(path):
+    """Returns an array of .c and .h files under the given directory"""
+    return [f for f in os.listdir(path)
+            if isfile(join(path, f))
+            and splitext(f)[1] in ['.c', '.h']]
+
+
+def clean_engine():
+    """Cleans the engine"""
+    with Pushd(ENGINE_BASE_DIR):
+        subprocess.run(['gmake', 'clean'], check=True)
+
+
+def generate_files():
+    """Generates the engine's sync files"""
+    with Pushd(ENGINE_BASE_DIR):
+        commands = [
+            ['gmake', 'codegen'],
+            ['gmake', '-C', 'asn.1', 'Sync.c', 'Distribution.c', 'Storage.c', 'ASN1Message.c'],
+        ]
+        for cmd in commands:
+            subprocess.run(cmd, check=True)
+
+
+clean_engine()
+
+asn_files_before_set = set(cfiles(ASN_DIR_GENERATED))
+
+generate_files()
+
+asn_files_after_set = set(sorted(cfiles(ASN_DIR_GENERATED)))
+asn_diff = asn_files_after_set.difference(asn_files_before_set)
+asn_files = sorted(asn_files_after_set)
+
+with open(DEST_ASN_LIST, 'w') as asn_target_file:
+    for asn_file in asn_files:
+        item = '$(SRCROOT)/../asn.1/' + asn_file
+        asn_target_file.write(item + '\n')
+
+sync_files_after = sorted(cfiles(SYNC_DIR_GENERATED))
+
+with open(DEST_SYNC_LIST, 'w') as sync_target_file:
+    for sync_file in sync_files_after:
+        item = '$(SRCROOT)/../src/' + sync_file
+        sync_target_file.write(item + '\n')