Bug#996785: deb822-repro: doesn't support leading tabs when assigning values

[Niels Thykier]

Control: tags -1 moreinfo

Jelmer Vernooij:
> Package: python3-debian
> Version: 0.1.39
> Severity: normal
> X-Debbugs-Cc: nthykier at debian.org
> 
> python-debian doesn't seem to support assigning fields that contain tabs:
> 
>>>> from debian._deb822_repro import parse_deb822_file
>>>> x = parse_deb822_file(["Source: foo\n", "Depends: bar\n"])
>>>> next(x.iter_parts())['Depends'] = 'debhelper (>= 10), quilt (>= 0.40),\n\tlibsystemd-dev [linux-any], pkg-config'
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "/home/jelmer/src/python-debian/lib/debian/_deb822_repro/parsing.py", line 1418, in __setitem__
>     self._paragraph.set_field_from_raw_string(
>   File "/home/jelmer/src/python-debian/lib/debian/_deb822_repro/parsing.py", line 2012, in set_field_from_raw_string
>     raise ValueError(msg.format(i=i, line=line[0]))
> ValueError: Line 2 in new value was invalid.  It must either start with " " space (continuation line) or "#" (comment line). The line started with "	"
> 
> (This works with the old parser)
> 
> [...]

Hi Jelmer,

This looks a lot like something I fixed in 0.1.42.  Could you please
have a look at whether this persists with the latest version of
python-debian.

Thanks,
~Niels