Re: [PATCH v4 08/11] git-p4: p4CmdList - support Unicode encoding

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On 12/5/2019 8:55 AM, Junio C Hamano wrote:
"Ben Keene via GitGitGadget" <gitgitgadget@xxxxxxxxx> writes:

From: Ben Keene <seraphire@xxxxxxxxx>

The p4CmdList is a commonly used function in the git-p4 code. It is used to execute a command in P4 and return the results of the call in a list.
Somewhere in the midway of the series, the log message starts using
all-caps AS_STRING and AS_BYTES to describe some specific things,
and it would help readers if the first one of these steps explain
what they mean (I am guessing AS_STRING is an unicode object in both
Python 2 and 3, and AS_BYTES is a plain vanilla string in Python 2,
or something like that?).

I rewrote almost the entire commit message. Hopefully this will clarify the code.

Change this code to take a new optional parameter, encode_data that will optionally convert the data AS_STRING() that isto be returned by the function.
s/isto/is to/;

This sentence is a bit hard to read.

This change does not make the function optionally convert the input
we feed to the p4 command---it only changes the values in the
command output.  But the readers cannot tell that easily until
reading to the very end of the sentence, i.e. "returned by the
function", as written.

We probably want to be a bit more explicit to say what gets
converted; perhaps renaming the parameter to encode_cmd_output may
help.


I renamed the parameter as suggested.


Change the code so that the key will always be encoded AS_STRING()
s/key/key of the returned hash/ or something to clarify what key you
are talking about.

Data that is passed for standard input (stdin) should be AS_BYTES() to ensure unicode text that is supplied will be written out as bytes.
"Data that is passed to the standard input stream of the p4 process"
to clarify whose standard input you are talking about (iow, "git p4"
also has and it may use its standard input, but this function does
not muck with it).




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