owslib.wms.WebMapService and owslib.wfs.WebFeatureService creation fails with application/octet-stream content-type services

[SimonSAMPERE]

Hello,
I'm developing a plugin for QGIS and I've noticed that my code can no longer handle a particular OGC service in the latest stable version of QGIS. Here are the URLs of the services involved:

• WFS : https://inpn.mnhn.fr/webgeoservice/WFS/fxx_inpn
• WMS : https://inpn.mnhn.fr/webgeoservice/WMS/fxx_inpn

I've tried to investigate and to sum up, the following python code works well with owslib version 0.29.2 but not with version 0.32.0:

from owslib.wms import WebMapService
from owslib.wfs import WebFeatureService


wfs_url = "https://inpn.mnhn.fr/webgeoservice/WFS/fxx_inpn?"
wfs_version = "2.0.0"

wfs = WebFeatureService(
    url= wfs_url,
    version = wfs_version
)
print(wfs.identification)

wms_url = "https://inpn.mnhn.fr/webgeoservice/WMS/fxx_inpn?"
wms_version = "1.3.0"

wms = WebMapService(
    url= wms_url,
    version = wms_version
)
print(wms.identification)

With owslib 0.32.0 a ValuError is raised by the getXMLTree method of util.py.

Here are some files with the entire error using owslib 0.32.0:

• for WFS: wfs_error_owslib0320.txt
• for WMS: wms_error_owslib0320.txt

Perhaps the problem lies in the fact that these are services whose Content-Type is ‘application/octet-stream’ and not ‘application/xml’.
I don't know if this is a bug or if I just couldn't find the information on how to handle this with owslib 0.32.0. In any case, is there a workaround for this problem?

[SimonSAMPERE]

I've implemented a workaround in the code of my plugin to parse the XML directly.
I hope that this PR will be approved, that it will lead to the publication of a new version of owslib and that this new version will be quickly integrated into a future version of QGIS. 🤞🏼
Anyway, congratulations and thank you @geographika for your responsiveness.

[SimonSAMPERE]

According to me this issue can be closed

[geographika]

@SimonSAMPERE #984 has been merged and is part of the https://github.com/geopython/OWSLib/releases/tag/0.33.0 release, which was published yesterday.

[SimonSAMPERE]

yes I received the notification, thank you @geographika