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Remove the null terminator from flask_utils.py #709

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Remove the null terminator from flask_utils.py #709

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493de16
Update RELEASE_NOTES.md
NEC-Vishal Nov 28, 2022
dc98575
pr 707
NEC-Vishal Nov 28, 2022
830b741
new_pr707
NEC-Vishal Nov 28, 2022
7077832
new_pr707
NEC-Vishal Nov 28, 2022
950004c
pr
NEC-Vishal Nov 28, 2022
f468366
resolved todo
NEC-Vishal Nov 28, 2022
3cdc1a0
remove the null terminator from flask_utils.py
NEC-Vishal Nov 28, 2022
c4d063f
Update RELEASE_NOTES.md
NEC-Vishal Nov 28, 2022
7c0b4f6
resolved TODO in flaskutils.py
NEC-Vishal Nov 28, 2022
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Merge branch 'new_pr707' of https://github.com/NEC-Vishal/ngsi-timese…
NEC-Vishal Nov 28, 2022
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1 change: 1 addition & 0 deletions RELEASE_NOTES.md
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
- Replaced entity with getter (#652)
- Resolved TODO in Dockerfile (#680)
- Resolved TODO at src/reporter/tests/test_timescale_types.py (#667)
- Resolved TODO in src/wq/ql/flask_utils.py (#707)

### Bug fixes

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5 changes: 1 addition & 4 deletions src/wq/ql/flaskutils.py
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Expand Up @@ -12,10 +12,7 @@ def json_array_streamer(xs: Iterable[BaseModel]) -> Iterable[str]:
for x in xs:
json_repr = x.json()
yield json_repr + ',\n'
yield 'null\n]'
# TODO how to get rid of the null terminator in an efficient and **simple**
# way? I could use the same put-back approach as in itersplit but I'd rather
# keep it simple.
yield '\n]'
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@c0c0n3 c0c0n3 Jan 6, 2023

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@NEC-Vishal nice try, but it won't work :-)
In fact, if the input iterable isn't empty the output JSON array will contain an extra comma before the array end symbol, e.g. [1, 2, 3] ~~~> "[\n1,\n2,\n3,\n]" which is not a valid JSON array!



def build_json_array_response_stream(xs: Iterable[BaseModel]) -> Response:
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