Create core_alphabetical.py

cubecobra_csv.py

@@ -0,0 +1,27 @@
+# TODO: Make this an actual API
+
+EXPECTED_HEADER = [
+    'Name',
+    'CMC',
+    'Type',
+    'Color',
+    'Set',
+    'Collector Number',
+    'Rarity',
+    'Color Category',
+    'Status',
+    'Finish',
+    'Maybeboard',
+    'Image URL',
+    'Image Back URL',
+    'Tags',
+    'Notes',
+    'MTGO ID'
+]
+
+
+COLUMNS = {column_name: i for i, column_name in enumerate(EXPECTED_HEADER)}
+
+
+def assert_header(header_line):
+    assert header_line == EXPECTED_HEADER