This is my patch
[ 587993 ] SET_LINENO killer
Remove SET_LINENO. Tracing is now supported by inspecting co_lnotab.
Many sundry changes to document and adapt to this change.
diff --git a/Lib/inspect.py b/Lib/inspect.py
index be2da41..96677b7 100644
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@@ -711,7 +711,7 @@
raise TypeError, 'arg is not a frame or traceback object'
filename = getsourcefile(frame) or getfile(frame)
- lineno = getlineno(frame)
+ lineno = frame.f_lineno
if context > 0:
start = lineno - 1 - context//2
try:
@@ -730,18 +730,8 @@
def getlineno(frame):
"""Get the line number from a frame object, allowing for optimization."""
- # Written by Marc-André Lemburg; revised by Jim Hugunin and Fredrik Lundh.
- lineno = frame.f_lineno
- code = frame.f_code
- if hasattr(code, 'co_lnotab'):
- table = code.co_lnotab
- lineno = code.co_firstlineno
- addr = 0
- for i in range(0, len(table), 2):
- addr = addr + ord(table[i])
- if addr > frame.f_lasti: break
- lineno = lineno + ord(table[i+1])
- return lineno
+ # FrameType.f_lineno is now a descriptor that grovels co_lnotab
+ return frame.f_lineno
def getouterframes(frame, context=1):
"""Get a list of records for a frame and all higher (calling) frames.