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_yaml: fix confusing error message #2089

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_yaml: fix confusing error message #2089

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6 changes: 3 additions & 3 deletions src/buildstream/_yaml.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -293,10 +293,10 @@ cpdef MappingNode load(str filename, str shortname, bint copy_tree=False, object
cpdef MappingNode load_data(str data, int file_index=node._SYNTHETIC_FILE_INDEX, str file_name=None, bint copy_tree=False):
cdef Representer rep

try:
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@gtristan gtristan Nov 10, 2025

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Ideally, we would have the precise exception below instead of the blind except Exception statement.

Given that determining what exception specifically is raised there may be quite difficult, I think I'd still be more comfortable with an additional except ImportError block, so that anything else happening inside the yaml.CParser(data) constructor is still in the try block.

E.g. just adding the following before the blind except may be preferrable:

try:
   ...
except ImportError as e:
    raise e
except Exception:
   ... keeping the same blind except...
``

rep = Representer(file_index)
parser = yaml.CParser(data)
rep = Representer(file_index)
parser = yaml.CParser(data)

try:
try:
while parser.check_event():
rep.handle_event(parser.get_event())
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