Globally control DateBone localization

As requested by viur-framework#565

core/bones/date.py

@@ -1,9 +1,8 @@
-from viur.core.bones.base import BaseBone, ReadFromClientError, ReadFromClientErrorSeverity
-from viur.core import db, request
-from viur.core.i18n import translate
+from visingleValueFromClientur.core.bones.base import BaseBone, ReadFromClientError, ReadFromClientErrorSeverity
+from viur.core import conf, db, request
 from viur.core.utils import currentRequest, currentRequestData, utcNow, isLocalDevelopmentServer
 from datetime import datetime, timedelta
-from typing import Dict, List, Optional, Union
+from typing import Dict, Optional
 import pytz, tzlocal
 
 
@@ -15,7 +14,7 @@ def __init__(
         *,
         creationMagic: bool = False,
         date: bool = True,
-        localize: bool = False,
+        localize: bool = None,
         time: bool = True,
         updateMagic: bool = False,
         **kwargs
@@ -33,24 +32,25 @@ def __init__(
         """
         super().__init__(**kwargs)
 
-        if creationMagic or updateMagic:
-            self.readonly = True
-
-        self.creationMagic = creationMagic
-        self.updateMagic = updateMagic
-
         if not (date or time):
             raise ValueError("Attempt to create an empty datebone! Set date or time to True!")
 
-        if localize and not (date and time):
-            raise ValueError("Localization is only possible with date and time!")
+        if creationMagic or updateMagic:
+            self.readonly = True
 
         if self.multiple and (creationMagic or updateMagic):
             raise ValueError("Cannot be multiple and have a creation/update-magic set!")
 
-        self.date = date
-        self.time = time
-        self.localize = localize
+        if localize is None and date and time:
+            localize = conf["viur.bone.date.localize"]
+        elif localize and not (date and time):
+            raise ValueError("Localization is only possible with date and time!")
+
+        self.creationMagic = bool(creationMagic)
+        self.updateMagic = bool(updateMagic)
+        self.date = bool(date)
+        self.time = bool(time)
+        self.localize = bool(localize)
 
     def singleValueFromClient(self, value: str, skel: 'viur.core.skeleton.SkeletonInstance', name: str, origData):
         """

core/config.py

@@ -15,6 +15,9 @@
     # Allowed values that define a str to evaluate to true
     "viur.bone.boolean.str2true": ("true", "yes", "1"),
 
+    # Globally localize DateBone
+    "viur.bone.date.localize": False,
+
     # If set, this function will be called for each cache-attempt and the result will be included in
     # the computed cache-key
     "viur.cacheEnvironmentKey": None,

core/skeleton.py

@@ -607,24 +607,34 @@ class Skeleton(BaseSkeleton, metaclass=MetaSkel):
     # The "key" bone stores the current database key of this skeleton.
     # Warning: Assigning to this bones value now *will* set the key
     # it gets stored in. Must be kept readOnly to avoid security-issues with add/edit.
-    key = KeyBone(descr="key", readOnly=True, visible=False)
+    key = KeyBone(
+        descr="Key",
+        readOnly=True,
+        visible=False
+    )
 
     # The date (including time) when this entry has been created
-    creationdate = DateBone(descr="created at",
-                            readOnly=True, visible=False,
-                            creationMagic=True, indexed=True,
-                            localize=bool(pytz))
+    creationdate = DateBone(
+        descr="Created at",
+        readOnly=True,
+        visible=False,
+        creationMagic=True
+    )
 
     # The last date (including time) when this entry has been updated
-    changedate = DateBone(descr="updated at",
-                          readOnly=True, visible=False,
-                          updateMagic=True, indexed=True,
-                          localize=bool(pytz))
-
-    viurCurrentSeoKeys = seoKeyBone(descr="Seo-Keys",
-                                    readOnly=True,
-                                    visible=False,
-                                    languages=conf["viur.availableLanguages"])
+    changedate = DateBone(
+        descr="Updated at",
+        readOnly=True,
+        visible=False,
+        updateMagic=True
+    )
+
+    viurCurrentSeoKeys = seoKeyBone(
+        descr="SEO-Keys",
+        readOnly=True,
+        visible=False,
+        languages=conf["viur.availableLanguages"]
+    )
 
     def __repr__(self):
         return "<skeleton %s with data=%r>" % (self.kindName, {k: self[k] for k in self.keys()})