Implemented more intelligent frame stripping

raven/base.py

@@ -29,7 +29,8 @@
 from raven.utils import six, json, get_versions, get_auth_header, merge_dicts
 from raven.utils.encoding import to_unicode
 from raven.utils.serializer import transform
-from raven.utils.stacks import get_stack_info, iter_stack_frames, get_culprit
+from raven.utils.stacks import get_stack_info, iter_stack_frames, \
+    get_culprit, slim_frame_data
 from raven.transport.registry import TransportRegistry, default_transports
 
 __all__ = ('Client',)
@@ -322,11 +323,13 @@ def build_msg(self, event_type, data=None, date=None,
                 frames,
                 transformer=self.transform,
                 capture_locals=self.capture_locals,
+                frame_allowance=None,
             )
             data.update({
                 'stacktrace': stack_info,
             })
 
+        in_app_info = False
         if self.include_paths:
             for frame in self._iter_frames(data):
                 if frame.get('in_app') is not None:
@@ -336,6 +339,7 @@ def build_msg(self, event_type, data=None, date=None,
                 if not path:
                     continue
 
+                in_app_info = True
                 if path.startswith('raven.'):
                     frame['in_app'] = False
                 else:
@@ -344,6 +348,8 @@ def build_msg(self, event_type, data=None, date=None,
                         not any(path.startswith(x) for x in self.exclude_paths)
                     )
 
+        slim_frame_data(self._iter_frames(data), in_app_info=in_app_info)
+
         if not culprit:
             if 'stacktrace' in data:
                 culprit = get_culprit(data['stacktrace']['frames'])

raven/events.py

@@ -63,6 +63,7 @@ def capture(self, exc_info=None, **kwargs):
                 iter_traceback_frames(exc_traceback),
                 transformer=self.transform,
                 capture_locals=self.client.capture_locals,
+                frame_allowance=None,
             )
 
             exc_module = getattr(exc_type, '__module__', None)

raven/utils/stacks.py

@@ -187,25 +187,52 @@ def get_frame_locals(frame, transformer=transform, max_var_size=4096):
     return f_vars
 
 
-def slim_frame_data(frames, frame_allowance=25):
+def slim_frame_data(frames, frame_allowance=25, in_app_info=False):
     """
     Removes various excess metadata from middle frames which go beyond
     ``frame_allowance``.
 
     Returns ``frames``.
     """
-    frames_len = len(frames)
-
-    if frames_len <= frame_allowance:
-        return frames
-
+    def _strip(frames):
+        for frame in frames:
+            frame.pop('vars', None)
+            frame.pop('pre_context', None)
+            frame.pop('post_context', None)
+
+    # We have frames marked as in app, so collect everything not in app
+    # and strip those.
+    if in_app_info:
+        in_app_frames = []
+        framework_frames = []
+
+        for frame in frames:
+            if frame.get('in_app'):
+                in_app_frames.append(frame)
+            else:
+                framework_frames.append(frame)
+
+        # Fewer frames than our limit, just do nothing
+        if len(in_app_frames) + len(framework_frames) < frame_allowance:
+            return
+
+        # App frames alone area already over limit.
+        if len(in_app_frames) > frame_allowance:
+            _strip(in_app_frames[:-frame_allowance])
+            _strip(framework_frames)
+            return
+
+        _strip(framework_frames[:-frame_allowance - len(in_app_frames)])
+        return
+
+    # If we don't know what's in the app, we just throw away the data in
+    # the first few frames.
     half_max = int(frame_allowance / 2)
+    if not in_app_info:
+        frames = list(frames)
+        for n in range(half_max, len(frames) - half_max):
+            _strip(frames[n])
 
-    for n in range(half_max, frames_len - half_max):
-        # remove heavy components
-        frames[n].pop('vars', None)
-        frames[n].pop('pre_context', None)
-        frames[n].pop('post_context', None)
     return frames
 
 
@@ -288,8 +315,9 @@ def get_stack_info(frames, transformer=transform, capture_locals=True,
             })
         result.append(frame_result)
 
-    stackinfo = {
-        'frames': slim_frame_data(result, frame_allowance=frame_allowance),
-    }
+    if frame_allowance is not None:
+        result = slim_frame_data(result, frame_allowance=frame_allowance)
 
-    return stackinfo
+    return {
+        'frames': result
+    }