Add framework_path module

This allows scripts in the scripts/ directory to get the path to the
mbedtls_framework module in framework/scripts/

Signed-off-by: David Horstmann <david.horstmann@arm.com>

scripts/abi_check.py

@@ -101,6 +101,7 @@ from types import SimpleNamespace
 
 import xml.etree.ElementTree as ET
 
+import framework_path # pylint: disable=unused-import
 from mbedtls_framework import build_tree
 
 

scripts/code_size_compare.py

@@ -21,6 +21,7 @@ import sys
 import typing
 from enum import Enum
 
+import framework_path # pylint: disable=unused-import
 from mbedtls_framework import build_tree
 from mbedtls_framework import logging_util
 from mbedtls_framework import typing_util

scripts/framework_path.py

@@ -0,0 +1,17 @@
+"""Add our Python library directory to the module search path.
+
+Usage:
+
+    import framework_path # pylint: disable=unused-import
+"""
+
+# Copyright The Mbed TLS Contributors
+# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+#
+
+import os
+import sys
+
+sys.path.append(os.path.join(os.path.dirname(__file__),
+                             os.path.pardir,
+                             'framework', 'scripts'))

scripts/generate_driver_wrappers.py

@@ -17,6 +17,8 @@ from traceback import format_tb
 import argparse
 import jsonschema
 import jinja2
+
+import framework_path # pylint: disable=unused-import
 from mbedtls_framework import build_tree
 
 JSONSchema = NewType('JSONSchema', object)

scripts/generate_psa_constants.py

@@ -17,6 +17,7 @@ file is written:
 import os
 import sys
 
+import framework_path # pylint: disable=unused-import
 from mbedtls_framework import build_tree
 from mbedtls_framework import macro_collector
 

scripts/generate_ssl_debug_helpers.py

@@ -14,6 +14,8 @@ import re
 import os
 import textwrap
 import argparse
+
+import framework_path # pylint: disable=unused-import
 from mbedtls_framework import build_tree
 
 

scripts/min_requirements.py

@@ -14,6 +14,8 @@ import tempfile
 import typing
 
 from typing import List, Optional
+
+import framework_path # pylint: disable=unused-import
 from mbedtls_framework import typing_util
 
 def pylint_doesn_t_notice_that_certain_types_are_used_in_annotations(