Amaury Forgeot d'Arc <[email protected]> added the comment:
Thanks for the test case.
It appears that 2.7 actually calls exec("execfile(filename)"),
when 3.1 directly calls exec(file_content).
The indirection seems necessary: the SyntaxError is detected by the pdb
trace function; but this function has to run somehow...
With the patch below, pdb now runs exec("exec(file_content)").
I'm not sure how to write unit tests for pdb.
I don't know if it will be accepted for 3.1 final.
Index: Lib/pdb.py
===================================================================
--- Lib/pdb.py (revision 73505)
+++ Lib/pdb.py (working copy)
@@ -1211,7 +1211,7 @@
self.mainpyfile = self.canonic(filename)
self._user_requested_quit = 0
with open(filename) as fp:
- statement = fp.read()
+ statement = "exec(%r)" % (fp.read(),)
self.run(statement)
# Simplified interface
----------
keywords: +needs review, patch
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<http://bugs.python.org/issue6323>
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