A transmogrifier blueprint for updating dexterity objects
Project description
Introduction
The transmogrify.dexterity package provides a transmogrifier pipeline section for updating field values of dexterity content objects. The blueprint name is transmogrify.dexterity.schemaupdater.
The schemaupdater section needs at least the path to the object to update. Paths to objects are always interpreted as being relative to the context. Any writable field who’s id matches a key in the current item will be updated with the corresponding value.
Fields that do not get a value from the pipeline are initialized with their default value or get a missing_value marker. This functionality will be moved into a separate constructor pipeline…
The schmemaupdater section can also handle fields defined in behaviors.
Actually tested and supported fields
TextLine or Text
Bool
List
- NamedFileField
needs a dict with data and filename or get the filename in a seperated value from the pipeline
- Date
needs a datetime.date or datetime.datetime object, or a string in the following format “%Y-%m-%d”
Default pipelines
This package also registers a number of pipelines for you to use. To add them to a GenericSetup profile, create a transmogrifier.txt with the name of the pipeline you wish to use.
transmogrify.dexterity.csvimport
This pipeline will convert a CSV file into dexterity content. By default, the CSV file will be found in /tmp/entries.csv.
NB: Unfortunately it cannot read files out of GS profiles, this is a limitation in the csvsource, one I may well fix.
Any column beyond the ones listed below will be presumed to be a Dexterity field, and will be updated. Special columns are:
- _type
portal_type of content (optional, default is Document)
- _path
Full path to content item, including content item.
- _folder
Folder containing item, id will be derived from title
- _transitions
Workflow transition (optional, default is “publish”)
TODO
General support for all fields
Tests
Changelog
1.2 (2013-08-29)
Only update with a default value if there isn’t a value already set on the field. (NB: before a default value would be set, regardless of the current field value). [lentinj]
1.1 (2013-07-23)
Don’t try to write readonly fields [djowett]
Added in a generic CSV -> content pipeline [lentinj]
1.0 (2011-11-17)
Updated changelog to be zest releaser compatible [lgraf]
1.0a5 (2011-07-18)
Added check-constraints option to schemaupdater section. If set to False, field values that are set in the schemaupdater section won’t be validated against the field’s constraints. [lgraf]
Made CollectionDeserializer cast None and empty string to an empty list [lgraf]
Added a basic DateDeserializer [lgraf]
Using new-style classes for [de]serializers [lgraf]
1.0a4 (2011-06-07)
Ensure RichTextValue gets a decoded unicode string, add tests [lentinj]
Refactor to support more field types. [elro]
1.0a3 (2010-03-12)
Fixed bug in typechecking of values for Boolean fields [lgraf]
fixed dateconverting [phgross]
fixed value check: so that it works correctly with an empty string [phgross]
fixed handling for list and bool fields [phgross]
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