From c54373bd9cd081a66e71a52755073041a3735c20 Mon Sep 17 00:00:00 2001
From: Lex Berezhny <lex@damoti.com>
Date: Sat, 22 Jun 2019 17:16:00 -0400
Subject: [PATCH] moved enum into script to avoid weird import conflict with
 Python built-in enum module

---
 torba/torba/server/enum.py   | 54 ------------------------------------
 torba/torba/server/script.py | 46 ++++++++++++++++++++++++++++--
 2 files changed, 43 insertions(+), 57 deletions(-)
 delete mode 100644 torba/torba/server/enum.py

diff --git a/torba/torba/server/enum.py b/torba/torba/server/enum.py
deleted file mode 100644
index 652e5da8c..000000000
--- a/torba/torba/server/enum.py
+++ /dev/null
@@ -1,54 +0,0 @@
-# Copyright (c) 2016, Neil Booth
-#
-# All rights reserved.
-#
-# See the file "LICENCE" for information about the copyright
-# and warranty status of this software.
-
-"""An enum-like type with reverse lookup.
-
-Source: Python Cookbook, http://code.activestate.com/recipes/67107/
-"""
-
-
-class EnumError(Exception):
-    pass
-
-
-class Enumeration:
-
-    def __init__(self, name, enumList):
-        self.__doc__ = name
-
-        lookup = {}
-        reverseLookup = {}
-        i = 0
-        uniqueNames = set()
-        uniqueValues = set()
-        for x in enumList:
-            if isinstance(x, tuple):
-                x, i = x
-            if not isinstance(x, str):
-                raise EnumError("enum name {} not a string".format(x))
-            if not isinstance(i, int):
-                raise EnumError("enum value {} not an integer".format(i))
-            if x in uniqueNames:
-                raise EnumError("enum name {} not unique".format(x))
-            if i in uniqueValues:
-                raise EnumError("enum value {} not unique".format(x))
-            uniqueNames.add(x)
-            uniqueValues.add(i)
-            lookup[x] = i
-            reverseLookup[i] = x
-            i = i + 1
-        self.lookup = lookup
-        self.reverseLookup = reverseLookup
-
-    def __getattr__(self, attr):
-        result = self.lookup.get(attr)
-        if result is None:
-            raise AttributeError('enumeration has no member {}'.format(attr))
-        return result
-
-    def whatis(self, value):
-        return self.reverseLookup[value]
diff --git a/torba/torba/server/script.py b/torba/torba/server/script.py
index d47811eb2..a608fb011 100644
--- a/torba/torba/server/script.py
+++ b/torba/torba/server/script.py
@@ -27,15 +27,55 @@
 """Script-related classes and functions."""
 
 
-import struct
 from collections import namedtuple
 
-from torba.server.enum import Enumeration
-from torba.server.hash import hash160
 from torba.server.util import unpack_le_uint16_from, unpack_le_uint32_from, \
     pack_le_uint16, pack_le_uint32
 
 
+class EnumError(Exception):
+    pass
+
+
+class Enumeration:
+
+    def __init__(self, name, enumList):
+        self.__doc__ = name
+
+        lookup = {}
+        reverseLookup = {}
+        i = 0
+        uniqueNames = set()
+        uniqueValues = set()
+        for x in enumList:
+            if isinstance(x, tuple):
+                x, i = x
+            if not isinstance(x, str):
+                raise EnumError("enum name {} not a string".format(x))
+            if not isinstance(i, int):
+                raise EnumError("enum value {} not an integer".format(i))
+            if x in uniqueNames:
+                raise EnumError("enum name {} not unique".format(x))
+            if i in uniqueValues:
+                raise EnumError("enum value {} not unique".format(x))
+            uniqueNames.add(x)
+            uniqueValues.add(i)
+            lookup[x] = i
+            reverseLookup[i] = x
+            i = i + 1
+        self.lookup = lookup
+        self.reverseLookup = reverseLookup
+
+    def __getattr__(self, attr):
+        result = self.lookup.get(attr)
+        if result is None:
+            raise AttributeError('enumeration has no member {}'.format(attr))
+        return result
+
+    def whatis(self, value):
+        return self.reverseLookup[value]
+
+
 class ScriptError(Exception):
     """Exception used for script errors."""