Ensured that appropriate default data was serialized for missing fields.

CHANGELOG.md

@@ -1,3 +1,7 @@
+#### 2018-09-19 version 0.1.4
+
+* Ensured that appropriate default data was serialized for missing fields.
+
 #### 2018-09-18 version 0.1.3
 
 * Doc updates, bug fix (random empty logger.info call).

esdocs/__init__.py

@@ -26,7 +26,7 @@
 import logging
 
 __appname__ = __package__
-__version__ = "0.1.3"
+__version__ = "0.1.4"
 
 app_version = "{}/{}".format(__appname__, __version__)
 

esdocs/serializer.py

@@ -111,6 +111,7 @@ def serialize(cls, obj, source=None):
 
         data = {}
         for name, field in cls.doc_fields.items():
+            empty = False
             try:
                 # first attempt user-defined method of manual serialization
                 v = getattr(cls, 'serialize_{}'.format(name))(obj, source)
@@ -122,7 +123,8 @@ def serialize(cls, obj, source=None):
                     try:
                         v = cls.get_value(obj, name, source)
                     except InvalidFieldLookup:
-                        continue
+                        v = field.empty()
+                        empty = True
 
                     if callable(v):
                         v = v()
@@ -131,7 +133,7 @@ def serialize(cls, obj, source=None):
                 v = cls.normalize_value(v)
                 v = cls.adjust_value(name, v)
 
-                if v is not None:
+                if not empty and v is not None:
                     # if the field is an Object or Nested inner doc, the user will have
                     # defined an InnerDoc Mapper; if a related Serializer exists, it will
                     # be used to populate data