From dbc442153f3ca7e8d5eac92d4d6ba4c8b80cce3c Mon Sep 17 00:00:00 2001
From: bigfang <bitair@gmail.com>
Date: Fri, 26 Oct 2018 15:59:12 +0800
Subject: [PATCH 1/2] added EnumExt implementation

---
 docs/changelog.rst             |  4 ++++
 hobbit_core/flask_hobbit/db.py | 33 +++++++++++++++++++++++++++++----
 2 files changed, 33 insertions(+), 4 deletions(-)

diff --git a/docs/changelog.rst b/docs/changelog.rst
index 6e70b1a..5324b29 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -1,6 +1,10 @@
 Change history
 ==============
 
+1.2.5a1 (2018-10-25)
+
+* Added EnumExt implementation
+
 1.2.5a0 (2018-10-22)
 
 * Enhance utils.use_kwargs.
diff --git a/hobbit_core/flask_hobbit/db.py b/hobbit_core/flask_hobbit/db.py
index fa0d2b3..3063f7f 100644
--- a/hobbit_core/flask_hobbit/db.py
+++ b/hobbit_core/flask_hobbit/db.py
@@ -61,8 +61,33 @@ def reference_col(tablename, nullable=False, pk_name='id', **kwargs):
 
 
 class EnumExt(enum.Enum):
+    """ serialize/deserialize sqlalchemy enum field
     """
-    TODO:
-        * extension.
-    """
-    pass
+    @classmethod
+    def strict_dump(cls, key, verbose=False):
+        pos = 1 if verbose else 0
+        return cls[key].value[pos]
+
+    @classmethod
+    def dump(cls, key, verbose=False):
+        ret = {'key': cls[key].value[0], 'value': cls[key].value[1]}
+        if verbose:
+            ret.update({'label': key})
+        return ret
+
+    @classmethod
+    def load(cls, val):
+        pos = 1 if isinstance(val, str) else 0
+        for elem in cls:
+            if elem.value[pos] == val:
+                return elem.name
+
+    @classmethod
+    def to_opts(cls, verbose=False):
+        opts = []
+        for elem in cls:
+            opt = {'key': elem.value[0], 'value': elem.value[1]}
+            if verbose:
+                opt.update({'label': elem.name})
+            opts.append(opt)
+        return opts

From 7ae2a29477ac50b9b97f3a466879a43276d41c22 Mon Sep 17 00:00:00 2001
From: bigfang <bitair@gmail.com>
Date: Fri, 26 Oct 2018 16:03:28 +0800
Subject: [PATCH 2/2] update version

---
 hobbit_core/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hobbit_core/__init__.py b/hobbit_core/__init__.py
index 638530f..ad51bc8 100644
--- a/hobbit_core/__init__.py
+++ b/hobbit_core/__init__.py
@@ -1 +1 @@
-VERSION = [1, 2, 5, 'a0']
+VERSION = [1, 2, 5, 'a1']