Plone-app-blob

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- Only set the instance id from the name of an uploaded file
if the file field is primary.
[davisagli]

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- Fix BLOB migration when LinguaPlone is installed.
Also for ATFile.

CAUTION: when the fix was discussed with witsch,
he pointed to the fact that the files would be
entirely loaded in memory during migration.
This could potentially eat too much memory.
[gotcha]

- Don't fail on obscure chars in filename
[tomgross]

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- Added adapter for data wrapped in xmlrpclib.Binary
https://github.com/plone/plone.app.blob/pull/1
[aclark, garbas]

- Fix BLOB migration when LinguaPlone is installed.
[rpatterson]

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- Create a transaction savepoint after setting a blob's value in order to
make it available at its temporary path (within the same transaction).
[tomgross]

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- Update mutator to take care of filename in keyword args.
[gotcha]

- Check for unicode filename first in ``index_html``.
[vangheem]

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- Deprecated aliases were replaced on tests.
[hvelarde]

- Keep the acquisition context of the blob in index_html, as otherwise
we cannot get the http__etag method.
[maurits]

- Move download implementation (the ``index_html`` method) to the blob
wrapper class. The wrapper object is now directly viewable via the
Zope 2 publisher.

This change adds support for publishing of the original image data
for any image field via the scaling view (even for fields that have
been added via schema extension).

Previously, if the blob wrapper was published for a content object
that did not derive from the provided image class, Plone's default
``index_html`` template would be used, rendering an HTML page
instead of the image.
[malthe]