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Language: Python
Verify a ZODB by loading all records.
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- 12/09/2025
gem-hunterLanguage: Python
Verify a ZODB by loading all records.
Verify a ZODB by iterating and loading all records. Problems are reported in detail. A debugger is provided, together with decompilation information.
zodbverify is available as a standalone script and as addon for plone.recipe.zope2instance.
The verification runs on a plain ZODB file. The Zope application is not started.
Run i.e.:
bin/zodbverify -f var/filestorage/Data.fs
Usage:
zodbverify [-h] -f ZODBFILE [-D] [-o OID]
Verifies that all records in the database can be loaded.
optional arguments:
-h, --help show this help message and exit
-f ZODBFILE, --zodbfile ZODBFILE
Path to file-storage
-D, --debug pause to debug broken pickles
-o OID, --oid OID oid to inspect
The verification runs in the context of the initialized Zope application.
Usage:
./bin/instance zodbverify [-h] [-D] [-o OID] Verifies that all records in the database can be loaded. optional arguments: -h, --help show this help message and exit -D, --debug pause to debug broken pickles -o OID, --oid OID oid to inspect
The output of zodbverify gives you a list of all problems and the oid that are affected.
To inspect a single oid in detail you can pass one of these to zodbverify:
./bin/instance zodbverify -o 0x2e929f
This will output the pickle and the error for that oid.
By also adding the debug-switch you will get two pdb's while the script runs:
./bin/instance zodbverify -o 0x2e929f -D 2020-03-11 10:40:24,972 INFO [Zope:45][MainThread] Ready to handle requests The object is 'obj' The Zope instance is 'app' [4] > /Users/pbauer/workspace/dipf-intranet/src-mrd/zodbverify/src/zodbverify/verify_oid.py(52)verify_oid() -> pickle, state = storage.load(oid)
In the first pdb you have the object for the oid as obj and the zope instance as app. Before the second pdb the pickle will be disassembled the same way as when using zodbverify to pause to debug broken pickles without passing a oid.
Contributors please read the document Process for Plone core's development
Sources are at the Plone code repository hosted at Github.