Run python2 compatible black

CHANGES.rst

@@ -5,9 +5,12 @@ Changelog
 1.12 (unreleased)
 -----------------
 
-- Fix migrating bocks to make Volto sites portable and support plone.distribution.
+- Fix migrating blocks to make Volto sites portable and support plone.distribution.
   [pbauer, tlotze]
 
+- Add and run a black version, that is compatible with Python 2.
+  [pgrunewald]
+
 
 1.11 (2024-02-28)
 -----------------

DEVELOP.rst

@@ -38,3 +38,8 @@ run a specific tox env:
 
     $ tox -e plone52-py38
 
+
+Format Python code
+------------------
+
+    $ ./bin/black .

requirements.txt

@@ -3,3 +3,7 @@
 zc.buildout==3.0.1
 # setuptools 67 is too strict with versions
 setuptools<67
+# black 21.12b0 is the last version supporting Python2 syntax
+black==21.12b0
+# ensure compatibility with our black version
+click==8.0.3

src/collective/exportimport/config.py

@@ -12,7 +12,7 @@
     os.path.expandvars(os.getenv("COLLECTIVE_EXPORTIMPORT_CENTRAL_DIRECTORY", ""))
 )
 
-SITE_ROOT = 'plone_site_root'
+SITE_ROOT = "plone_site_root"
 
 # Discussion Item has its own export / import views, don't show it in the exportable content type list
-SKIPPED_CONTENTTYPE_IDS = ['Discussion Item']
+SKIPPED_CONTENTTYPE_IDS = ["Discussion Item"]

src/collective/exportimport/export_content.py

@@ -112,7 +112,7 @@ def __call__(
         download_to_server=False,
         migration=True,
         include_revisions=False,
-        write_errors=False
+        write_errors=False,
     ):
         self.portal_type = portal_type or []
         if isinstance(self.portal_type, str):
@@ -150,7 +150,9 @@ def __call__(
             return self.template()
 
         if not self.portal_type:
-            api.portal.show_message(_(u"Select at least one type to export"), self.request)
+            api.portal.show_message(
+                _(u"Select at least one type to export"), self.request
+            )
             return self.template()
 
         if self.include_blobs == 1:
@@ -250,7 +252,11 @@ def __call__(
                         json.dump(errors, f, indent=4)
                     f.write("]")
             msg = _(u"Exported {} items ({}) as {} to {} with {} errors").format(
-                number, ", ".join(self.portal_type), filename, filepath, len(self.errors)
+                number,
+                ", ".join(self.portal_type),
+                filename,
+                filepath,
+                len(self.errors),
             )
             logger.info(msg)
             api.portal.show_message(msg, self.request)
@@ -274,12 +280,14 @@ def __call__(
                         f.write(",")
                     json.dump(datum, f, sort_keys=True, indent=4)
                 if number:
-                    if  self.errors and self.write_errors:
+                    if self.errors and self.write_errors:
                         f.write(",")
                         errors = {"unexported_paths": self.errors}
                         json.dump(errors, f, indent=4)
                     f.write("]")
-                msg = _(u"Exported {} {} with {} errors").format(number, self.portal_type, len(self.errors))
+                msg = _(u"Exported {} {} with {} errors").format(
+                    number, self.portal_type, len(self.errors)
+                )
                 logger.info(msg)
                 api.portal.show_message(msg, self.request)
                 response = self.request.response
@@ -350,13 +358,13 @@ def export_content(self):
                 obj = brain.getObject()
             except Exception:
                 msg = u"Error getting brain {}".format(brain.getPath())
-                self.errors.append({'path':None, 'message': msg})
+                self.errors.append({"path": None, "message": msg})
                 logger.exception(msg, exc_info=True)
                 continue
             if obj is None:
                 msg = u"brain.getObject() is None {}".format(brain.getPath())
                 logger.error(msg)
-                self.errors.append({'path':None, 'message': msg})
+                self.errors.append({"path": None, "message": msg})
                 continue
             obj = self.global_obj_hook(obj)
             if not obj:
@@ -375,7 +383,7 @@ def export_content(self):
                 yield item
             except Exception:
                 msg = u"Error exporting {}".format(obj.absolute_url())
-                self.errors.append({'path':obj.absolute_url(), 'message':msg})
+                self.errors.append({"path": obj.absolute_url(), "message": msg})
                 logger.exception(msg, exc_info=True)
 
     def portal_types(self):
@@ -395,7 +403,9 @@ def portal_types(self):
                         "number": number,
                         "value": fti.id,
                         "title": translate(
-                            safe_unicode(fti.title), domain="plone", context=self.request
+                            safe_unicode(fti.title),
+                            domain="plone",
+                            context=self.request,
                         ),
                     }
                 )
@@ -580,15 +590,27 @@ def export_revisions(self, item, obj):
             item_version = self.update_data_for_migration(item_version, obj)
             item["exportimport.versions"][version_id] = item_version
             # inject metadata (missing for Archetypes content):
-            comment = history_metadata.retrieve(version_id)["metadata"]["sys_metadata"]["comment"]
-            if comment and comment != item["exportimport.versions"][version_id].get("changeNote"):
+            comment = history_metadata.retrieve(version_id)["metadata"]["sys_metadata"][
+                "comment"
+            ]
+            if comment and comment != item["exportimport.versions"][version_id].get(
+                "changeNote"
+            ):
                 item["exportimport.versions"][version_id]["changeNote"] = comment
-            principal = history_metadata.retrieve(version_id)["metadata"]["sys_metadata"]["principal"]
-            if principal and principal != item["exportimport.versions"][version_id].get("changeActor"):
+            principal = history_metadata.retrieve(version_id)["metadata"][
+                "sys_metadata"
+            ]["principal"]
+            if principal and principal != item["exportimport.versions"][version_id].get(
+                "changeActor"
+            ):
                 item["exportimport.versions"][version_id]["changeActor"] = principal
         # current changenote
-        item["changeNote"] = history_metadata.retrieve(-1)["metadata"]["sys_metadata"]["comment"]
-        item["changeActor"] = history_metadata.retrieve(-1)["metadata"]["sys_metadata"]["principal"]
+        item["changeNote"] = history_metadata.retrieve(-1)["metadata"]["sys_metadata"][
+            "comment"
+        ]
+        item["changeActor"] = history_metadata.retrieve(-1)["metadata"]["sys_metadata"][
+            "principal"
+        ]
         return item
 
 

src/collective/exportimport/export_other.py

@@ -644,7 +644,9 @@ def __call__(self, download_to_server=False):
     def all_portlets(self):
         self.results = []
         portal = api.portal.get()
-        portal.ZopeFindAndApply(self.context, search_sub=True, apply_func=self.get_portlets)
+        portal.ZopeFindAndApply(
+            self.context, search_sub=True, apply_func=self.get_portlets
+        )
         self.get_root_portlets()
         return self.results
 
@@ -669,7 +671,7 @@ def _get_portlets(self, obj, uid):
             obj_results["uuid"] = uid
             self.results.append(obj_results)
         return
-    
+
     def get_root_portlets(self):
         site = api.portal.get()
         self._get_portlets(site, PORTAL_PLACEHOLDER)
@@ -681,6 +683,7 @@ def local_portlets_hook(self, portlets):
     def portlets_blacklist_hook(self, blacklist):
         return blacklist
 
+
 def export_local_portlets(obj):
     """Serialize portlets for one content object
     Code mostly taken from https://github.com/plone/plone.restapi/pull/669

src/collective/exportimport/export_topic.py

@@ -3,7 +3,8 @@
 
 
 class ExportTopic(ExportContent):
-    """ Export ATTopic """
+    """Export ATTopic"""
+
     def build_query(self):
-        """ Build the query based on the topic criterias """
+        """Build the query based on the topic criterias"""
         return self.context.buildQuery()

src/collective/exportimport/fix_html.py

@@ -235,7 +235,7 @@ def find_object(base, path):
         obj = api.portal.get()
         portal_path = obj.absolute_url_path() + "/"
         if path.startswith(portal_path):
-            path = path[len(portal_path):]
+            path = path[len(portal_path) :]
     else:
         obj = aq_parent(base)  # relative urls start at the parent...
 
@@ -324,14 +324,18 @@ def table_class_fixer(text, obj=None):
         query["path"] = "/".join(context.getPhysicalPath())
     brains = catalog(**query)
     total = len(brains)
-    logger.info("There are %s content items in total, starting migration...", len(brains))
+    logger.info(
+        "There are %s content items in total, starting migration...", len(brains)
+    )
     fixed_fields = 0
     fixed_items = 0
     for index, brain in enumerate(brains, start=1):
         try:
             obj = brain.getObject()
         except Exception:
-            logger.warning("Could not get object for: %s", brain.getPath(), exc_info=True)
+            logger.warning(
+                "Could not get object for: %s", brain.getPath(), exc_info=True
+            )
             continue
         if obj is None:
             logger.error(u"brain.getObject() is None %s", brain.getPath())
@@ -343,11 +347,19 @@ def table_class_fixer(text, obj=None):
                 if text and IRichTextValue.providedBy(text) and text.raw:
                     clean_text = text.raw
                     for fixer in fixers:
-                        logger.debug("Fixing html for %s with %s", obj.absolute_url(), fixer.__name__)
+                        logger.debug(
+                            "Fixing html for %s with %s",
+                            obj.absolute_url(),
+                            fixer.__name__,
+                        )
                         try:
                             clean_text = fixer(clean_text, obj)
                         except Exception:
-                            logger.info(u"Error while fixing html of %s for %s", fieldname, obj.absolute_url())
+                            logger.info(
+                                u"Error while fixing html of %s for %s",
+                                fieldname,
+                                obj.absolute_url(),
+                            )
                             raise
 
                     if clean_text and clean_text != text.raw:
@@ -359,7 +371,11 @@ def table_class_fixer(text, obj=None):
                         )
                         setattr(obj, fieldname, textvalue)
                         changed = True
-                        logger.debug(u"Fixed html for field %s of %s", fieldname, obj.absolute_url())
+                        logger.debug(
+                            u"Fixed html for field %s of %s",
+                            fieldname,
+                            obj.absolute_url(),
+                        )
                         fixed_fields += 1
             if changed:
                 fixed_items += 1
@@ -371,11 +387,20 @@ def table_class_fixer(text, obj=None):
             # Commit every 1000 changed items.
             logger.info(
                 u"Fix html for %s (%s) of %s items (changed %s fields in %s items)",
-                index, round(index / total * 100, 2), total, fixed_fields, fixed_items)
+                index,
+                round(index / total * 100, 2),
+                total,
+                fixed_fields,
+                fixed_items,
+            )
             if commit:
                 transaction.commit()
 
-    logger.info(u"Finished fixing html in content fields (changed %s fields in %s items)", fixed_fields, fixed_items)
+    logger.info(
+        u"Finished fixing html in content fields (changed %s fields in %s items)",
+        fixed_fields,
+        fixed_items,
+    )
     if commit:
         # commit remaining items
         transaction.commit()