Rename project to fresnel-lens

fresnel_lens/constants.py

@@ -0,0 +1,29 @@
+import enum
+
+import peewee
+
+
+class DatabaseBackend(enum.Enum):
+    MARIADB = peewee.MySQLDatabase
+    SQLITE = peewee.SqliteDatabase
+
+
+class DimensionStrategy(enum.Enum):
+    CROP = enum.auto()
+    SCALE = enum.auto()
+    RELATIVE = enum.auto()
+
+
+class ImageFormat(enum.Enum):
+    JPEG = ("jpg", "jpeg")
+    PNG = ("png",)
+    GIF = ("gif",)
+
+
+class Anchor(enum.Enum):
+    C = "center"
+
+
+HTTP_HEADER_RESPONSE_VERSION = "x-fresnel_lens-version"
+
+HTTP_HEADER_RESPONSE_DIGEST = "Digest"