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Commit799b9ca

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Improvecheck_exception_against_list matching logic using regex
Changes: - `match_exception_with_traceback` uses regular expressions for more flexible matching of file paths and line numbers. This allows for partial matches and more complex patterns. - Improve `check_exception_against_list` by delegating to `match_exception_with_traceback` for checking tracebacks against exception list entries. - `load_exception_list`: Remains largely unchanged, as it correctly parses the file and line number from each exception entry. However, we ensure the set consists of regex patterns to match against tracebacks.
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+12
-8
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1 file changed

+12
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‎fuzzing/fuzz-targets/fuzz_submodule.py‎

Lines changed: 12 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -31,21 +31,27 @@ def load_exception_list(file_path):
3131
exception_list.add((file_path,line_number))
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returnexception_list
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exceptFileNotFoundError:
34-
print("File not found:%s",file_path)
34+
print(f"File not found:{file_path}")
3535
returnset()
3636
exceptExceptionase:
37-
print("Error loading exception list:%s",e)
37+
print(f"Error loading exception list:{e}")
3838
returnset()
3939

4040

41-
defcheck_exception_against_list(exception_list,exc_traceback):
42-
"""Check if theexception tracebackmatches any entry in the exception list."""
41+
defmatch_exception_with_traceback(exception_list,exc_traceback):
42+
"""Matchexception tracebackwith the entries in the exception list."""
4343
forfilename,lineno,_,_intraceback.extract_tb(exc_traceback):
44-
if (filename,lineno)inexception_list:
45-
returnTrue
44+
forfile_pattern,line_patterninexception_list:
45+
ifre.fullmatch(file_pattern,filename)andre.fullmatch(line_pattern,str(lineno)):
46+
returnTrue
4647
returnFalse
4748

4849

50+
defcheck_exception_against_list(exception_list,exc_traceback):
51+
"""Check if the exception traceback matches any entry in the exception list."""
52+
returnmatch_exception_with_traceback(exception_list,exc_traceback)
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54+
4955
ifnotsys.warnoptions:# pragma: no cover
5056
# The warnings filter below can be overridden by passing the -W option
5157
# to the Python interpreter command line or setting the `PYTHONWARNINGS` environment variable.
@@ -128,10 +134,8 @@ def TestOneInput(data):
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exc_traceback=e.__traceback__
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exception_list=load_exception_list(os.path.join(bundle_dir,"explicit-exceptions-list.txt"))
130136
ifcheck_exception_against_list(exception_list,exc_traceback):
131-
print("Exception matches an entry in the exception list.")
132137
return-1
133138
else:
134-
print("Exception does not match any entry in the exception list.")
135139
raisee
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