chore(tracing): Refactor tracing_utils.py

Preparation for:
getsentry#3313
Proposed in:
getsentry#3313 (comment)

Note that the `_module_in_list` function returns `False` if `name` is
`None` or `items` are falsy, hence extra check before function call can
be omitted to simplify code.

sentry_sdk/tracing_utils.py

@@ -21,6 +21,7 @@
  to_string,
  is_sentry_url,
  _is_external_source,
+ _is_in_project_root,
  _module_in_list,
 )
 from sentry_sdk._types import TYPE_CHECKING
@@ -170,6 +171,14 @@ def maybe_create_breadcrumbs_from_span(scope, span):
  )
 
 
+def _get_frame_module_abs_path(frame):
+ # type: (FrameType) -> Optional[str]
+ try:
+ return frame.f_code.co_filename
+ except Exception:
+ return None
+
+
 def add_query_source(span):
  # type: (sentry_sdk.tracing.Span) -> None
  """
@@ -200,10 +209,7 @@ def add_query_source(span):
  # Find the correct frame
  frame = sys._getframe() # type: Union[FrameType, None]
  while frame is not None:
- try:
- abs_path = frame.f_code.co_filename
- except Exception:
- abs_path = ""
+ abs_path = _get_frame_module_abs_path(frame)
 
  try:
  namespace = frame.f_globals.get("__name__") # type: Optional[str]
@@ -215,16 +221,15 @@ def add_query_source(span):
  )
 
  should_be_included = not _is_external_source(abs_path)
- if namespace is not None:
- if in_app_exclude and _module_in_list(namespace, in_app_exclude):
- should_be_included = False
- if in_app_include and _module_in_list(namespace, in_app_include):
- # in_app_include takes precedence over in_app_exclude, so doing it
- # at the end
- should_be_included = True
+ if _module_in_list(namespace, in_app_exclude):
+ should_be_included = False
+ if _module_in_list(namespace, in_app_include):
+ # in_app_include takes precedence over in_app_exclude, so doing it
+ # at the end
+ should_be_included = True
 
  if (
- abs_path.startswith(project_root)
+ _is_in_project_root(abs_path, project_root)
  and should_be_included
  and not is_sentry_sdk_frame
  ):
@@ -250,10 +255,7 @@ def add_query_source(span):
  if namespace is not None:
  span.set_data(SPANDATA.CODE_NAMESPACE, namespace)
 
- try:
- filepath = frame.f_code.co_filename
- except Exception:
- filepath = None
+ filepath = _get_frame_module_abs_path(frame)
  if filepath is not None:
  if namespace is not None:
  in_app_path = filename_for_module(namespace, filepath)

sentry_sdk/utils.py

@@ -1076,7 +1076,7 @@ def event_from_exception(
 
 
 def _module_in_list(name, items):
- # type: (str, Optional[List[str]]) -> bool
+ # type: (Optional[str], Optional[List[str]]) -> bool
  if name is None:
  return False
 
@@ -1091,17 +1091,20 @@ def _module_in_list(name, items):
 
 
 def _is_external_source(abs_path):
- # type: (str) -> bool
+ # type: (Optional[str]) -> bool
  # check if frame is in 'site-packages' or 'dist-packages'
+ if abs_path is None:
+ return False
+
  external_source = (
  re.search(r"[\\/](?:dist|site)-packages[\\/]", abs_path) is not None
  )
  return external_source
 
 
 def _is_in_project_root(abs_path, project_root):
- # type: (str, Optional[str]) -> bool
- if project_root is None:
+ # type: (Optional[str], Optional[str]) -> bool
+ if abs_path is None or project_root is None:
  return False
 
  # check if path is in the project root