add downloader tool

tools/generate_company_id_list.py

@@ -0,0 +1,38 @@
+# Copyright 2021-2022 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# -----------------------------------------------------------------------------
+# This script generates a python-syntax list of dictionary entries for the
+# company IDs listed at: https://www.bluetooth.com/specifications/assigned-numbers/company-identifiers/
+# The input to this script is the CSV file that can be obtained at that URL
+# -----------------------------------------------------------------------------
+
+# -----------------------------------------------------------------------------
+# Imports
+# -----------------------------------------------------------------------------
+import sys
+import csv
+
+# -----------------------------------------------------------------------------
+with open(sys.argv[1], newline='') as csvfile:
+    reader = csv.reader(csvfile, delimiter=',', quotechar='"')
+    lines = []
+    for row in reader:
+        if len(row) == 3 and row[1].startswith('0x'):
+            company_id = row[1]
+            company_name = row[2]
+            escaped_company_name = company_name.replace('"', '\\"')
+            lines.append(f'    {company_id}: "{escaped_company_name}"')
+
+    print(',\n'.join(reversed(lines)))