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gh-102799: Let pydoc use the exception instead of sys.exc_info - #102830
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| if not isinstance(exc_info, tuple): | ||
| assert isinstance(exc_info, BaseException) | ||
| exc_info = type(exc_info), exc_info, exc_info.__traceback__ | ||
| self.filename = filename | ||
| self.exc, self.value, self.tb = exc_info |
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Separate suggestions:
- Keep handling of two args in order. First first and second second. Handling first in middle of second is unnecessary confusion.
- Handle two cases of second separately. Don't create tuple just to unpack. Unpacking makes it slightly more obvious that same attributes are defined, but pack/unpack makes it harder to see what object is assigned to each attribute.
Suggested change
| ifnotisinstance(exc_info, tuple): | |
| assertisinstance(exc_info, BaseException) | |
| exc_info=type(exc_info), exc_info, exc_info.__traceback__ | |
| self.filename=filename | |
| self.exc, self.value, self.tb=exc_info | |
| self.filename=filename | |
| ifisinstance(exc_info, tuple): | |
| self.exc, self.value, self.tb=exc_info | |
| else: | |
| assertisinstance(exc_info, BaseException) | |
| self.exc=type(exc_info) | |
| self.value=exc_info | |
| self.tb=exc_info.__traceback__ |
I am tempted to think that no user will ever raise this exception. pydoc is only documented as a command-line app, not as importable library. But this is not idlelib. Can/should we emit a DeprecationWarning in the isinstance clause? It could then be removed someday. Since there is no doc of the module content, no changed notice is needed.
| del sys.modules[key] | ||
| module = __import__(path) | ||
| except: | ||
| except BaseException as e: |
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I personally prefer 'err' to 'e'. I have no idea of any general consensus.
iritkatriel
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Mar 20, 2023
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