fix(tracer): emit relative paths (#5)

Author: zah

src/trace.py

@@ -64,6 +64,15 @@ def _register_builtin_types(self) -> None:
 
     # -------------------------------------------------------------------- paths
     def _register_path(self, path: str) -> int:
+        """Register a source file path and emit a ``Path`` event."""
+
+        if path:
+            abs_path = os.path.abspath(path)
+            try:
+                path = os.path.relpath(abs_path, self.program_dir)
+            except ValueError:
+                path = abs_path
+
         if path not in self.path_map:
             self.path_map[path] = len(self.paths)
             self.paths.append(path)

tests/fixtures/array_sum.json

@@ -61,7 +61,7 @@
     }
   },
   {
-    "Path": "/workspace/codetracer-python-recorder/tests/programs/array_sum.py"
+    "Path": "array_sum.py"
   },
   {
     "Function": {

tests/fixtures/calc.json

@@ -61,7 +61,7 @@
     }
   },
   {
-    "Path": "/workspace/codetracer-python-recorder/tests/programs/calc.py"
+    "Path": "calc.py"
   },
   {
     "Function": {