feat: add branches to existing TTree

src/uproot/interpretation/identify.py

@@ -124,7 +124,6 @@ def _from_leaves_one(leaf, title):
             for x in re.findall(_item_any_pattern, title)
         ):
             is_jagged = True
-
     return dims, is_jagged
 
 

src/uproot/model.py

@@ -787,7 +787,6 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         self._is_memberwise = False
         old_breadcrumbs = context.get("breadcrumbs", ())
         context["breadcrumbs"] = (*old_breadcrumbs, self)
-
         self.hook_before_read(chunk=chunk, cursor=cursor, context=context, file=file)
         forth_obj = uproot._awkwardforth.get_forth_obj(context)
         if forth_obj is not None:
@@ -798,6 +797,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         if context.get("reading", True):
             temp_index = cursor._index
             self.read_numbytes_version(chunk, cursor, context)
+
             length = cursor._index - temp_index
             if length != 0 and forth_obj is not None:
                 forth_stash.pre_code.append(f"{length} stream skip\n")
@@ -843,6 +843,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
                 cursor.skip(4)
 
         if context.get("reading", True):
+
             self.hook_before_read_members(
                 chunk=chunk, cursor=cursor, context=context, file=file
             )
@@ -868,7 +869,7 @@ def read(cls, chunk, cursor, context, file, selffile, parent, concrete=None):
         out = self.postprocess(chunk, cursor, context, file)
 
         context["breadcrumbs"] = old_breadcrumbs
-
+        # print(out)
         return out
 
     def read_numbytes_version(self, chunk, cursor, context):

src/uproot/models/TBranch.py

@@ -14,6 +14,7 @@
 
 import uproot
 import uproot.models.TH
+import uproot.models.TObjArray
 
 _tbranch10_format1 = struct.Struct(">iiiiqiIiqqq")
 _tbranch10_dtype1 = numpy.dtype(">i4")

src/uproot/models/TNamed.py

@@ -34,7 +34,7 @@ def read_members(self, chunk, cursor, context, file):
                 concrete=self.concrete,
             )
         )
-
+        # print("tnamed", context, chunk.raw_data.tobytes())
         self._members["fName"] = cursor.string(chunk, context)
         self._members["fTitle"] = cursor.string(chunk, context)