From cfa7db9abb47d75bbf9490320eeef0d159ab434a Mon Sep 17 00:00:00 2001
From: Jonathan Kim <jkimbo@gmail.com>
Date: Thu, 25 Jun 2020 15:11:18 +0100
Subject: [PATCH] Move to_const function from Graphene into Graphene-Django
 (#992)

---
 graphene_django/converter.py                       | 3 ++-
 graphene_django/utils/str_converters.py            | 6 ++++++
 graphene_django/utils/tests/__init__.py            | 0
 graphene_django/utils/tests/test_str_converters.py | 9 +++++++++
 setup.py                                           | 1 +
 5 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 graphene_django/utils/str_converters.py
 create mode 100644 graphene_django/utils/tests/__init__.py
 create mode 100644 graphene_django/utils/tests/test_str_converters.py

diff --git a/graphene_django/converter.py b/graphene_django/converter.py
index 53b25374f..1cdc8cc03 100644
--- a/graphene_django/converter.py
+++ b/graphene_django/converter.py
@@ -22,13 +22,14 @@
     Time,
 )
 from graphene.types.json import JSONString
-from graphene.utils.str_converters import to_camel_case, to_const
+from graphene.utils.str_converters import to_camel_case
 from graphql import GraphQLError, assert_valid_name
 from graphql.pyutils import register_description
 
 from .compat import ArrayField, HStoreField, JSONField, RangeField
 from .fields import DjangoConnectionField, DjangoListField
 from .settings import graphene_settings
+from .utils.str_converters import to_const
 
 
 def convert_choice_name(name):
diff --git a/graphene_django/utils/str_converters.py b/graphene_django/utils/str_converters.py
new file mode 100644
index 000000000..f41e87a10
--- /dev/null
+++ b/graphene_django/utils/str_converters.py
@@ -0,0 +1,6 @@
+import re
+from unidecode import unidecode
+
+
+def to_const(string):
+    return re.sub(r"[\W|^]+", "_", unidecode(string)).upper()
diff --git a/graphene_django/utils/tests/__init__.py b/graphene_django/utils/tests/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/graphene_django/utils/tests/test_str_converters.py b/graphene_django/utils/tests/test_str_converters.py
new file mode 100644
index 000000000..6460c4e23
--- /dev/null
+++ b/graphene_django/utils/tests/test_str_converters.py
@@ -0,0 +1,9 @@
+from ..str_converters import to_const
+
+
+def test_to_const():
+    assert to_const('snakes $1. on a "#plane') == "SNAKES_1_ON_A_PLANE"
+
+
+def test_to_const_unicode():
+    assert to_const(u"Skoða þetta unicode stöff") == "SKODA_THETTA_UNICODE_STOFF"
diff --git a/setup.py b/setup.py
index 980871a6b..5e90b7e70 100644
--- a/setup.py
+++ b/setup.py
@@ -58,6 +58,7 @@
         "graphql-core>=3.1.0,<4",
         "Django>=2.2",
         "promise>=2.1",
+        "unidecode>=1.1.1,<2",
     ],
     setup_requires=["pytest-runner"],
     tests_require=tests_require,