| Author | SHA1 | Message | Date | |
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a739eb0763
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lib.Result: Initialize with status = None
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Define default parameter values for Result's constructor, namely None for exit status, stdout and stderr. Instantiating a Result object without parameters signifies "this object doesn't contain data from a real process's exit event". Up to now, similar meaning has been hand-crafted by ExecContext's run() and friends by using an error exit status (1) to make sure it wasn't mistaken for success. This commit formalizes that into the Result structure itself, but uses None instead for the exit status. Controlling default values in Result itself also means that the Result class gets better awareness of what it contains, and its log messages and stdin / stdout can be more fitting: - If a real process failed, make stdout return at least b'' - If a real process succeeded, make stdout return at least b'' Returning something from .stdout on success fixes a real bug: An attempt to access what "rpm -U somepackage.rpm" returns, namely nothing, raises a bogus exception, because stdout is None. Signed-off-by: Jan Lindemann <jan@janware.com> |
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9732b48788
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lib.Result.__repr__(): Fix binary stdout exception
__repr__() tries to decode binary stdout as string and fails without a backup. Fix that. Signed-off-by: Jan Lindemann <jan@janware.com> |
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812ddaa1b0
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lib.Result.__repr__() Fix missing f-qualifier
__repr__() tries to format a variable in an f-string without "f". Fix that. Signed-off-by: Jan Lindemann <jan@janware.com> |
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de5be6b757
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lib.Result: Add module
.lib.Result has grown enourmously in size and merits its own module. For now, reexport it from .lib.base to not break all code containing "from jw.lib.base import Result" Signed-off-by: Jan Lindemann <jan@janware.com> |