more resilient console logging (#831)

Co-authored-by: David Montague <[email protected]>
Co-authored-by: Alex Hall <[email protected]>

Author: 3 people

logfire/_internal/exporters/console.py

@@ -182,23 +182,23 @@ def _details_parts(self, span: ReadableSpan, indent_str: str) -> TextParts:
         if not self._verbose or not span.attributes:
             return []
 
-        file_location: str = span.attributes.get('code.filepath')  # type: ignore
+        file_location_raw = span.attributes.get('code.filepath')
+        file_location = None if file_location_raw is None else str(file_location_raw)
         if file_location:
             lineno = span.attributes.get('code.lineno')
             if lineno:  # pragma: no branch
                 file_location += f':{lineno}'
 
         log_level_num: int = span.attributes.get(ATTRIBUTES_LOG_LEVEL_NUM_KEY)  # type: ignore
-        log_level = NUMBER_TO_LEVEL.get(log_level_num, '')
+        log_level = NUMBER_TO_LEVEL.get(log_level_num)
 
         if file_location or log_level:
-            return [
-                (indent_str, ''),
-                ('│', 'blue'),
-                (' ', ''),
-                (file_location, 'cyan'),
-                (f' {log_level}', ''),
-            ]
+            parts: TextParts = [(indent_str, ''), ('│', 'blue')]
+            if file_location:
+                parts.append((f' {file_location}', 'cyan'))
+            if log_level:
+                parts.append((f' {log_level}', ''))
+            return parts
         else:
             return []
 

tests/test_console_exporter.py

@@ -106,7 +106,7 @@ def test_simple_console_exporter_no_colors_verbose(simple_spans: list[ReadableSp
         [
             '00:00:01.000 rootSpan',
             '00:00:02.000 childSpan 1',
-            '             │ testing.py:42 ',
+            '             │ testing.py:42',
         ]
     )
 
@@ -419,7 +419,7 @@ def test_verbose_attributes(exporter: TestExporter) -> None:
     assert out.getvalue().splitlines() == snapshot(
         [
             '\x1b[32m00:00:01.000\x1b[0m Hello world!',
-            '             \x1b[34m│\x1b[0m \x1b[36mtest_console_exporter.py:123\x1b[0m info',
+            '             \x1b[34m│\x1b[0m\x1b[36m test_console_exporter.py:123\x1b[0m info',
             "             \x1b[34m│ \x1b[0m\x1b[34mname=\x1b[0m\x1b[93;49m'\x1b[0m\x1b[93;49mworld\x1b[0m\x1b[93;49m'\x1b[0m",
             '             \x1b[34m│ \x1b[0m\x1b[34md=\x1b[0m\x1b[97;49m{\x1b[0m          ',
             "             \x1b[34m│ \x1b[0m  \x1b[97;49m    \x1b[0m\x1b[93;49m'\x1b[0m\x1b[93;49ma\x1b[0m\x1b[93;49m'\x1b[0m\x1b[97;49m:\x1b[0m\x1b[97;49m \x1b[0m\x1b[37;49m1\x1b[0m\x1b[97;49m,\x1b[0m",
@@ -796,3 +796,39 @@ def test_exception(exporter: TestExporter) -> None:
         '\x1b[0m\x1b[97;49mby\x1b[0m\x1b[97;49m \x1b[0m\x1b[97;49mzero\x1b[0m',
         '',
     ]
+
+
+def test_console_exporter_invalid_text(capsys: pytest.CaptureFixture[str]) -> None:
+    logfire.configure(
+        send_to_logfire=False,
+        console=ConsoleOptions(colors='always', include_timestamps=False, verbose=True),
+    )
+
+    logfire.info('hi', **{'code.filepath': 3, 'code.lineno': None})  # type: ignore
+    logfire.info('hi', **{'code.filepath': None, 'code.lineno': 'foo'})  # type: ignore
+    assert capsys.readouterr().out.splitlines() == snapshot(
+        [
+            'hi',
+            '\x1b[34m│\x1b[0m\x1b[36m 3\x1b[0m info',
+            'hi',
+            '\x1b[34m│\x1b[0m info',
+        ]
+    )
+
+
+def test_console_exporter_invalid_text_no_color(capsys: pytest.CaptureFixture[str]) -> None:
+    logfire.configure(
+        send_to_logfire=False,
+        console=ConsoleOptions(colors='never', include_timestamps=False, verbose=True),
+    )
+
+    logfire.info('hi', **{'code.filepath': 3, 'code.lineno': None})  # type: ignore
+    logfire.info('hi', **{'code.filepath': None, 'code.lineno': 'foo'})  # type: ignore
+    assert capsys.readouterr().out.splitlines() == snapshot(
+        [
+            'hi',
+            '│ 3 info',
+            'hi',
+            '│ info',
+        ]
+    )