From fe8f3158f6ca4c974b04fc677f05b5ad61db8123 Mon Sep 17 00:00:00 2001
From: Al <albarrentine@gmail.com>
Date: Sun, 17 Jan 2016 22:23:44 -0500
Subject: [PATCH] [fix] missing file in geodata

---
 scripts/geodata/enum.py | 62 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 scripts/geodata/enum.py

diff --git a/scripts/geodata/enum.py b/scripts/geodata/enum.py
new file mode 100644
index 00000000..504ad70a
--- /dev/null
+++ b/scripts/geodata/enum.py
@@ -0,0 +1,62 @@
+
+class EnumValue(object):
+    def __init__(self, value, name=None):
+        self.value = value
+        self.name = name
+
+    def __hash__(self):
+        return self.value
+
+    def __cmp__(self, other):
+        if isinstance(other, EnumValue):
+            return self.value.__cmp__(other.value)
+        else:
+            return self.value.__cmp__(other)
+
+    def __unicode__(self):
+        return self.name
+
+    def __str__(self):
+        return self.name
+
+    def __repr__(self):
+        return self.name
+
+
+class EnumMeta(type):
+    def __init__(self, name, bases, dict_):
+        self.registry = self.registry.copy()
+        self.name_registry = self.name_registry.copy()
+        for k, v in dict_.iteritems():
+            if isinstance(v, EnumValue) and v not in self.registry:
+                if v.name is None:
+                    v.name = k
+                self.registry[v.value] = v
+                self.name_registry[v.name] = v
+        return super(EnumMeta, self).__init__(name, bases, dict_)
+
+    def __iter__(self):
+        return self.registry.itervalues()
+
+    def __getitem__(self, key):
+        return self.registry[key]
+
+
+class Enum(object):
+    __metaclass__ = EnumMeta
+    registry = {}
+    name_registry = {}
+
+    @classmethod
+    def from_id(cls, value):
+        try:
+            return cls.registry[value]
+        except KeyError:
+            raise ValueError('Invalid value for {}: {}'.format(cls.__name__, value))
+
+    @classmethod
+    def from_string(cls, name):
+        try:
+            return cls.name_registry[name]
+        except KeyError:
+            raise ValueError('Invalid name for {}: {}'.format(cls.__name__, name))