WebDAV backend creates only tiny or 0 Byte files

[Sven]

When using the WebDAV backend only tiny or 0-Byte files get created at the WebDAV storage. Duplicity itself doesn't report any error, only the uploaded file size is too small.

Duplicity version: 0.8.12.1596
Python version: 3.6.10
OS Distro and version: gentoo
Type of target filesystem: Linux, Windows, other.: WebDAV

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I created a 10000000 Byte testfile. The uploaded file sizes are way too small:
...
WebDAV PUT /remote.php/dav/files/myPath/test/duplicity-full.20200502T104649Z.vol1.difftar.gpg ...
WebDAV data length: 78
WebDAV response status 201 with reason 'Created'.
...
WebDAV PUT /remote.php/dav/files/myPath/test/duplicity-full-signatures.20200502T104649Z.sigtar.gpg ...
WebDAV data length: 138
WebDAV response status 201 with reason 'Created'.
...
WebDAV PUT /remote.php/dav/files/myPath/test/duplicity-full.20200502T104649Z.manifest.gpg ...
WebDAV data length: 129
WebDAV response status 201 with reason 'Created'.
...

Verification of this backup fails.

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I made a small fix in duplicity/backends/webdavbackend.py (see attachment)

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Now everything works as expected:
...
WebDAV PUT /remote.php/dav/files/myPath/test/duplicity-full.20200502T105219Z.vol1.difftar.gpg ...
WebDAV data length: 28794233
WebDAV response status 201 with reason 'Created'.
...
WebDAV PUT /remote.php/dav/files/myPath/test/duplicity-full-signatures.20200502T105219Z.sigtar.gpg ...
WebDAV data length: 169724
WebDAV response status 201 with reason 'Created'.
...
WebDAV PUT /remote.php/dav/files/myPath/test/duplicity-full.20200502T105219Z.manifest.gpg ...
WebDAV data length: 1332
WebDAV response status 201 with reason 'Created'.
...

Verification of this backup was successful.

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[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "patch for duplicity/backends/webdavbackend.py" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]