gh-103935: Use io.open_code() when executing code in trace and prof…

…ile modules (GH-103947)

Lib/cProfile.py

@@ -8,6 +8,7 @@
 
 import _lsprof
 import importlib.machinery
+import io
 import profile as _pyprofile
 
 # ____________________________________________________________
@@ -168,7 +169,7 @@ def main():
         else:
             progname = args[0]
             sys.path.insert(0, os.path.dirname(progname))
-            with open(progname, 'rb') as fp:
+            with io.open_code(progname) as fp:
                 code = compile(fp.read(), progname, 'exec')
             spec = importlib.machinery.ModuleSpec(name='__main__', loader=None,
                                                   origin=progname)

Lib/profile.py

@@ -25,6 +25,7 @@
 
 
 import importlib.machinery
+import io
 import sys
 import time
 import marshal
@@ -588,7 +589,7 @@ def main():
         else:
             progname = args[0]
             sys.path.insert(0, os.path.dirname(progname))
-            with open(progname, 'rb') as fp:
+            with io.open_code(progname) as fp:
                 code = compile(fp.read(), progname, 'exec')
             spec = importlib.machinery.ModuleSpec(name='__main__', loader=None,
                                                   origin=progname)

Lib/trace.py

@@ -49,6 +49,7 @@
 """
 __all__ = ['Trace', 'CoverageResults']
 
+import io
 import linecache
 import os
 import sys
@@ -716,7 +717,7 @@ def parse_ignore_dir(s):
             sys.argv = [opts.progname, *opts.arguments]
             sys.path[0] = os.path.dirname(opts.progname)
 
-            with open(opts.progname, 'rb') as fp:
+            with io.open_code(opts.progname) as fp:
                 code = compile(fp.read(), opts.progname, 'exec')
             # try to emulate __main__ namespace as much as possible
             globs = {

Misc/NEWS.d/next/Library/2023-04-27-20-03-08.gh-issue-103935.Uaf2M0.rst

@@ -0,0 +1 @@
+Use :func:`io.open_code` for files to be executed instead of raw :func:`open`