Use import.resources instead of __file__

Potentially fix #257 and allow zip-safe = true in pyproject.toml

Signed-off-by: Arthit Suriyawongkul <arthit@gmail.com>

Author: bact

src/spdx_tools/spdx3/writer/json_ld/json_ld_writer.py

@@ -2,20 +2,24 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 import json
-import os
+from importlib import resources
 
 from spdx_tools.spdx3.payload import Payload
-from spdx_tools.spdx3.writer.json_ld.json_ld_converter import convert_payload_to_json_ld_list_of_elements
+from spdx_tools.spdx3.writer.json_ld.json_ld_converter import (
+    convert_payload_to_json_ld_list_of_elements,
+)
 
 
 def write_payload(payload: Payload, file_name: str):
     element_list = convert_payload_to_json_ld_list_of_elements(payload)
 
     # this will be obsolete as soon as the context is publicly available under some URI
-    with open(os.path.join(os.path.dirname(__file__), "context.json"), "r") as infile:
+    # Note: 3.0.1 context is now available at
+    # https://spdx.org/rdf/3.0.1/spdx-context.jsonld
+    with resources.files("spdx_tools.spdx3.writer.json_ld").joinpath("context.json").open("r") as infile:
         context = json.load(infile)
 
     complete_dict = {"@context": context, "@graph": element_list}
 
-    with open(file_name + ".jsonld", "w") as out:
+    with open(file_name + ".jsonld", "w", encoding="utf-8") as out:
         json.dump(complete_dict, out, indent=2)

src/spdx_tools/spdx3/writer/json_ld/owl_to_context.py

@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 import json
-import os.path
+from importlib import resources
 
 # current workflow: markdown files + spec_parser -> model.ttl -> convert to json_ld: SPDX_OWL.json ->
 # use the function below to generate context.json
@@ -108,8 +108,11 @@ def convert_spdx_owl_to_jsonld_context(spdx_owl: str = "SPDX_OWL.json"):
         else:
             print(f"unknown node_type: {node_type}")
 
-    with open(os.path.join(os.path.dirname(__file__), "context.json"), "w") as infile:
-        json.dump(context_dict, infile)
+    with resources.as_file(
+        resources.files("spdx_tools.spdx3.writer.json_ld").joinpath("context.json")
+    ) as context_path:
+        with open(context_path, "w", encoding="utf-8") as outfile:
+            json.dump(context_dict, outfile)
 
 
 if __name__ == "__main__":

tests/spdx/test_cli.py

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: 2023 spdx contributors
 #
 # SPDX-License-Identifier: Apache-2.0
-import os
+from importlib import resources
 
 import pytest
 from click.testing import CliRunner
@@ -12,16 +12,16 @@
 @pytest.mark.parametrize(
     "options",
     [
-        ("--infile", os.path.join(os.path.dirname(__file__), "data/SPDXJSONExample-v2.3.spdx.json")),
-        ("-i", os.path.join(os.path.dirname(__file__), "data/SPDXJSONExample-v2.3.spdx.json"), "--novalidation"),
+        ("--infile", str(resources.files("tests.spdx.data").joinpath("SPDXJSONExample-v2.3.spdx.json"))),
+        ("-i", str(resources.files("tests.spdx.data").joinpath("SPDXJSONExample-v2.3.spdx.json")), "--novalidation"),
         (
             "-i",
-            os.path.join(os.path.dirname(__file__), "data/SPDXJSONExample-v2.3.spdx.json"),
+            str(resources.files("tests.spdx.data").joinpath("SPDXJSONExample-v2.3.spdx.json")),
             "--novalidation",
             "--version",
             "SPDX-2.3",
         ),
-        ("-i", os.path.join(os.path.dirname(__file__), "data/SPDXJSONExample-v2.3.spdx.json"), "-o", "-"),
+        ("-i", str(resources.files("tests.spdx.data").joinpath("SPDXJSONExample-v2.3.spdx.json")), "-o", "-"),
     ],
 )
 def test_cli_with_system_exit_code_0(options):
@@ -37,9 +37,10 @@ def test_cli_with_system_exit_code_0(options):
     [
         (
             "-i",
-            os.path.join(
-                os.path.dirname(__file__),
-                "data/invalid/spdx-trivy-vmware_log-intelligence-fluentd-sha256_086af034f561f343f633be9d9f9e95f65ae6c61b8ddb2c6755ef5bb25b40f53a.json",  # noqa: E501
+            str(
+                resources.files("tests.spdx.data.invalid").joinpath(
+                    "spdx-trivy-vmware_log-intelligence-fluentd-sha256_086af034f561f343f633be9d9f9e95f65ae6c61b8ddb2c6755ef5bb25b40f53a.json"
+                )
             ),
         ),
         ("-i", "non_existent_file.spdx"),
@@ -57,8 +58,8 @@ def test_cli_with_system_exit_code_1(options):
     "options",
     [
         (),
-        ("-i", os.path.join(os.path.dirname(__file__), "data/SPDXJSONExample-v2.3.spdx.json"), "--version"),
-        ("-i", os.path.join(os.path.dirname(__file__), "data/SPDXJSONExample-v2.3.spdx.json"), "-o"),
+        ("-i", str(resources.files("tests.spdx.data").joinpath("SPDXJSONExample-v2.3.spdx.json")), "--version"),
+        ("-i", str(resources.files("tests.spdx.data").joinpath("SPDXJSONExample-v2.3.spdx.json")), "-o"),
     ],
 )
 def test_cli_with_system_exit_code_2(options):

tests/spdx3/writer/json_ld/test_json_ld_writer.py

@@ -1,7 +1,7 @@
 # SPDX-FileCopyrightText: 2023 spdx contributors
 #
 # SPDX-License-Identifier: Apache-2.0
-import os
+from importlib import resources
 
 from spdx_tools.spdx3.bump_from_spdx2.spdx_document import bump_spdx_document
 from spdx_tools.spdx3.payload import Payload
@@ -15,4 +15,5 @@ def test_json_writer():
     payload: Payload = bump_spdx_document(spdx2_document)
 
     # this currently generates an actual file to look at, this should be changed to a temp file later
-    write_payload(payload, os.path.join(os.path.dirname(__file__), "../../../SPDX3_jsonld_test"))
+    with resources.as_file(resources.files("tests.spdx3.writer.json_ld").joinpath("SPDX3_jsonld_test")) as output_file:
+        write_payload(payload, str(output_file))