ref(auto_source): Prepare code for different levels of granularity (#89211)

Author: armenzg

src/sentry/issues/auto_source_code_config/code_mapping.py

@@ -18,7 +18,7 @@
 from sentry.utils import metrics
 from sentry.utils.event_frames import EventFrame, try_munge_frame_path
 
-from .constants import METRIC_PREFIX
+from .constants import METRIC_PREFIX, STACK_ROOT_MAX_LEVEL
 from .integration_utils import InstallationNotFoundError, get_installation
 from .utils.platform import PlatformConfig
 
@@ -591,17 +591,18 @@ def get_path_from_module(module: str, abs_path: str) -> tuple[str, str]:
     if "." not in module:
         raise DoesNotFollowJavaPackageNamingConvention
 
-    parts = module.split(".")
+    # Gets rid of the class name
+    parts = module.rsplit(".", 1)[0].split(".")
+    dirpath = "/".join(parts)
 
-    if len(parts) > 2:
+    if len(parts) >= STACK_ROOT_MAX_LEVEL:
         # com.example.foo.bar.Baz$InnerClass, Baz.kt ->
         #    stack_root: com/example/
         #    file_path:  com/example/foo/bar/Baz.kt
-        stack_root = "/".join(parts[:2])
-        file_path = "/".join(parts[:-1]) + "/" + abs_path
+        stack_root = "/".join(parts[:STACK_ROOT_MAX_LEVEL])
     else:
         # a.Bar, Bar.kt -> stack_root: a/, file_path:  a/Bar.kt
         stack_root = parts[0] + "/"
-        file_path = f"{stack_root}{abs_path}"
 
+    file_path = f"{dirpath}/{abs_path}"
     return stack_root, file_path

src/sentry/issues/auto_source_code_config/constants.py

@@ -6,6 +6,7 @@
 METRIC_PREFIX = "auto_source_code_config"
 DERIVED_ENHANCEMENTS_OPTION_KEY = "sentry:derived_grouping_enhancements"
 SUPPORTED_INTEGRATIONS = ["github"]
+STACK_ROOT_MAX_LEVEL = 2
 
 # Any new languages should also require updating the stacktraceLink.tsx
 # The extensions do not need to be exhaustive but only include the ones that show up in stacktraces

src/sentry/issues/auto_source_code_config/in_app_stack_trace_rules.py

@@ -6,7 +6,7 @@
 from sentry.models.project import Project
 from sentry.utils import metrics
 
-from .constants import DERIVED_ENHANCEMENTS_OPTION_KEY, METRIC_PREFIX
+from .constants import DERIVED_ENHANCEMENTS_OPTION_KEY, METRIC_PREFIX, STACK_ROOT_MAX_LEVEL
 
 logger = logging.getLogger(__name__)
 
@@ -48,9 +48,10 @@ def generate_rule_for_code_mapping(code_mapping: CodeMapping) -> str:
     if stacktrace_root == "":
         raise ValueError("Stacktrace root is empty")
 
-    parts = stacktrace_root.rstrip("/").split("/", 2)
+    parts = stacktrace_root.rstrip("/").split("/")
+
     # We only want the first two parts
-    module = ".".join(parts[:2])
+    module = ".".join(parts[:STACK_ROOT_MAX_LEVEL])
 
     if module == "":
         raise ValueError("Module is empty")