Add upgrade step

src/design/plone/policy/upgrades.py

@@ -5,6 +5,7 @@
 from design.plone.policy.setuphandlers import disable_searchable_types
 from design.plone.policy.setuphandlers import set_default_subsite_colors
 from design.plone.policy.utils import create_default_blocks
+from design.plone.policy.interfaces import IDesignPlonePolicySettings
 from plone import api
 from plone.app.upgrade.utils import installOrReinstallProduct
 from plone.dexterity.utils import iterSchemata
@@ -15,6 +16,7 @@
 from zope.component import getUtility
 from zope.schema import getFields
 
+
 import json
 import logging
 
@@ -95,7 +97,16 @@ def to_1300(context):
 
 
 def to_1400(context):
-    pass
+    old = api.portal.get_registry_record(
+        name="design.plone.policy.twitter_token"
+    )
+    context.runAllImportStepsFromProfile("profile-design.plone.policy:to_1400")
+    update_registry(context)
+
+    if old:
+        api.portal.set_registry_record(
+            "twitter_token", old, interface=IDesignPlonePolicySettings
+        )
 
 
 def to_1500(context):
@@ -368,3 +379,35 @@ def to_3100(context):
         logger.info("### Items that were not modified ###")
         for i, path in enumerate(not_modified):
             logger.info(f"[{i+1}/{len(not_modified)}] - {path}")
+
+
+def to_3101(context):
+    def remove_twitter(blocks_orig):
+        blocks = deepcopy(blocks_orig)
+        for key, block in blocks.items():
+            if block.get("@type", "") == "twitter_posts":
+                del blocks[key]
+
+        return blocks
+
+    for brain in api.portal.get("portal_catalog")():
+        item = aq_base(brain.getObject())
+        for schema in iterSchemata(item):
+            for name, field in getFields(schema).items():
+                if name == "blocks":
+                    item.blocks = remove_twitter(item.blocks)
+
+                elif isinstance(field, BlocksField):
+                    value = deepcopy(field.get(item))
+                    if not value:
+                        continue
+                    try:
+                        blocks = value.get("blocks", {})
+                    except AttributeError:
+                        logger.warning(
+                            "[BLOCK] - {} (not converted)".format(
+                                brain.getURL()
+                            )
+                        )
+                    if blocks:
+                        item.blocks = remove_twitter(blocks)

src/design/plone/policy/upgrades.zcml

@@ -181,4 +181,14 @@
         handler=".upgrades.to_3100"
         />
   </genericsetup:upgradeSteps>
+  <genericsetup:upgradeSteps
+      profile="design.plone.policy:default"
+      source="3100"
+      destination="3101"
+      >
+    <genericsetup:upgradeStep
+        title="Remove twitter blocks"
+        handler=".upgrades.to_3101"
+        />
+  </genericsetup:upgradeSteps>
 </configure>