getFeatures() can't be run twice on an OSM file

[qgib]

Author Name: Etienne Trimaille (@Gustry)
Original Redmine Issue: 20098
Affected QGIS version: 3.3(master)
Redmine category:data_provider/ogr
Assignee: Even Rouault

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Since this commit f410b4a, the python iterator getFeatures() can't be run twice on an OSM file:

l = QgsVectorLayer('/tmp/request-jY9056.osm|layername=multipolygons', "test", "ogr")
print('first loop')
for f in l.getFeatures():
    print(f.id())

print('second loop')

for f in l.getFeatures():
    print(f.id())

print('end loops')

It gives:

exec(open('/home/etienne/quickosm.py'.encode('utf-8')).read())
first loop
65738329
65739173
65744728
65759782
second loop
end loops

It was working fine the commit before.

This breaks the QuickOSM plugin: 3liz/QuickOSM#125

Thanks

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• request-jY9056.osm (Etienne Trimaille)

[qgib]

Author Name: Etienne Trimaille (@Gustry)

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Using GDAL/OGR 2.2.3 on Ubuntu 18.04

[qgib]

Author Name: Even Rouault (@rouault)

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• assigned_to_id was configured as Even Rouault

[qgib]

Author Name: Even Rouault (@rouault)

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#8184

[qgib]

Author Name: Even Rouault (@rouault)

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Applied in changeset 906f802.

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• done_ratio was changed from 0 to 100
• status_id was changed from Open to Closed