Encode metadata to stdout as utf8

This fixes a regression from #79.

Author: danlamanna

isic_cli/cli/metadata.py

@@ -201,11 +201,11 @@ def download(
         headers, records = _extract_metadata(images, progress, task)
 
     if records:
-        stream = (
-            sys.stdout
-            if outfile is None or os.fsdecode(outfile) == "-"
-            else Path(outfile).open("w", newline="", encoding="utf8")  # noqa: SIM115
-        )
+        if outfile is None or os.fsdecode(outfile) == "-":
+            sys.stdout.reconfigure(encoding="utf8")
+            stream = sys.stdout
+        else:
+            stream = Path(outfile).open("w", newline="", encoding="utf8")  # noqa: SIM115
 
         writer = csv.DictWriter(stream, headers)
         writer.writeheader()

tests/conftest.py

@@ -18,11 +18,21 @@ def runner():
     return CliRunner()
 
 
+@pytest.fixture()
+def runner_non_utf8():
+    return CliRunner(charset="cp1251")
+
+
 @pytest.fixture()
 def cli_run(runner):
     return functools.partial(runner.invoke, cli)
 
 
+@pytest.fixture()
+def cli_run_non_utf8(runner_non_utf8):
+    return functools.partial(runner_non_utf8.invoke, cli)
+
+
 @pytest.fixture()
 def _isolated_filesystem(runner):
     with runner.isolated_filesystem():

tests/test_cli_metadata.py

@@ -4,6 +4,7 @@
 import re
 
 import pytest
+from pytest_lazy_fixtures import lf
 
 
 @pytest.fixture()
@@ -60,15 +61,23 @@ def test_metadata_validate_lesions_patients(runner, cli_run):
 
 
 @pytest.mark.usefixtures("_mock_image_metadata")
-def test_metadata_download_stdout(cli_run):
-    result = cli_run(["metadata", "download"])
+@pytest.mark.parametrize(
+    "cli_runner",
+    [lf("cli_run"), lf("cli_run_non_utf8")],
+)
+def test_metadata_download_stdout(cli_runner):
+    result = cli_runner(["metadata", "download"])
     assert result.exit_code == 0, result.exception
     assert re.search(r"ISIC_0000000.*Foo.*CC-0.*melanoma.*male", result.output), result.output
 
 
 @pytest.mark.usefixtures("_mock_image_metadata", "_isolated_filesystem")
-def test_metadata_download_file(cli_run):
-    result = cli_run(["metadata", "download", "-o", "foo.csv"])
+@pytest.mark.parametrize(
+    "cli_runner",
+    [lf("cli_run"), lf("cli_run_non_utf8")],
+)
+def test_metadata_download_file(cli_runner):
+    result = cli_runner(["metadata", "download", "-o", "foo.csv"])
 
     assert result.exit_code == 0, result.exception
 
@@ -79,8 +88,12 @@ def test_metadata_download_file(cli_run):
 
 
 @pytest.mark.usefixtures("_mock_image_metadata")
-def test_metadata_download_newlines(cli_run, mocker):
-    result = cli_run(["metadata", "download", "-o", "foo.csv"])
+@pytest.mark.parametrize(
+    "cli_runner",
+    [lf("cli_run"), lf("cli_run_non_utf8")],
+)
+def test_metadata_download_newlines(cli_runner, mocker):
+    result = cli_runner(["metadata", "download", "-o", "foo.csv"])
 
     assert result.exit_code == 0, result.exception
 

tox.ini

@@ -16,6 +16,7 @@ commands =
 [testenv:test]
 deps =
     pytest
+    pytest-lazy-fixtures
     pytest-mock
 commands =
     pytest {posargs}