bpo-42524: pdb: additional documentation on retval #27612
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Add documentation on `retval`stating that the return value itself can be accessed via the `__return__` local variable. This is intended to let people know that they can access complex objects using this variable (for example access `__return__.thingy()`)
iritkatriel
reviewed
Aug 5, 2021
| """retval | ||
| Print the return value for the last return of a function. | ||
| Alternatively, the return value can be accessed with the local | ||
| variable ``__return__`` |
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Actually this sentence fits better in the documentation here: https://docs.python.org/3/library/pdb.html#pdbcommand-retval
For the docstring it's not really appropriate to point to an alternative.
iritkatriel
reviewed
Aug 26, 2021
| ... 'jump 8', # jump over second for loop | ||
| ... 'return', # return out of function | ||
| ... 'retval', # display return value | ||
| ... '__return__', # access the return value |
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Because the function returns a string, this test doesn't really check that __return__ is the value rather than the string representation of the value. It also doesn't check that you can assign it to a local and inspect it (in other words - the test doesn't show that there is a difference between retval and __return__).
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Add documentation on
retvalstating that the return value itself can beaccessed via the
__return__local variable.This is intended to let people know that they can access complex objects
using this variable (for example access
__return__.thingy())https://bugs.python.org/issue42524