Get out of the infinite loop in listing titles

[nemobis]

Switch to the --xmlrevisions option when the titles cannot be retrieved:

Loading config file...
Resuming previous dump process...
Title list is incomplete. Reloading...
Loading page titles from namespaces = all
Excluding titles from namespaces = None
16 namespaces found
    Retrieving titles in the namespace 0
...........    5426 titles retrieved in the namespace 0
    Retrieving titles in the namespace 1
.    487 titles retrieved in the namespace 1
    Retrieving titles in the namespace 2
.    142 titles retrieved in the namespace 2
    Retrieving titles in the namespace 3
.....    2105 titles retrieved in the namespace 3
    Retrieving titles in the namespace 4
.    89 titles retrieved in the namespace 4
    Retrieving titles in the namespace 5
.    20 titles retrieved in the namespace 5
    Retrieving titles in the namespace 6
..    808 titles retrieved in the namespace 6
    Retrieving titles in the namespace 7
.    1 titles retrieved in the namespace 7
    Retrieving titles in the namespace 8
.    103 titles retrieved in the namespace 8
    Retrieving titles in the namespace 9
.    1 titles retrieved in the namespace 9
    Retrieving titles in the namespace 10
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[nemobis]

Another test case (wiki with 4k articles and 12k pages, public, 1.23.6):

Analysing http://cunnan.sca.org.au/api.php
Loading config file...
Resuming previous dump process...
Title list is incomplete. Reloading...
Loading page titles from namespaces = all
Excluding titles from namespaces = None
16 namespaces found
    Retrieving titles in the namespace 0
...........    5426 titles retrieved in the namespace 0
    Retrieving titles in the namespace 1
.    487 titles retrieved in the namespace 1
    Retrieving titles in the namespace 2
.    142 titles retrieved in the namespace 2
    Retrieving titles in the namespace 3
.....    2105 titles retrieved in the namespace 3
    Retrieving titles in the namespace 4
.    89 titles retrieved in the namespace 4
    Retrieving titles in the namespace 5
.    20 titles retrieved in the namespace 5
    Retrieving titles in the namespace 6
..    808 titles retrieved in the namespace 6
    Retrieving titles in the namespace 7
.    1 titles retrieved in the namespace 7
    Retrieving titles in the namespace 8
.    103 titles retrieved in the namespace 8
    Retrieving titles in the namespace 9
.    1 titles retrieved in the namespace 9
    Retrieving titles in the namespace 10
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[nemobis]

This last one seems to be a problem of capitalisation. The API tells to continue from a lowercases title but then it normalises it to uppercase and continues from a previous point:
http://cunnan.lochac.sca.org/api.php?action=query&list=allpages&apfrom=returnto&apnamespace=10&format=json&aplimit=500

[nemobis]

So far I've not seen the bug any more, although 4bc41c3 increases the memory usage significantly in that phase.