Scrappy little script looking for ocr derp

misc/derp-sentinel.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+
+import tradedb
+tdb = tradedb.TradeDB()
+
+names = set()
+
+for sys in tdb.systemByID.values():
+    for stn in sys.stations:
+        names.add(stn.name().upper())
+
+mutators = {
+        'D': [ 'O', '0' ],
+        'W': [ 'VV' ],
+}
+
+def mutate(text, pos):
+    for i in range(pos, len(text)):
+        char = text[i]
+        if char not in mutators:
+            continue
+        yield from mutate(text, i+1)
+        for mutant in mutators[char]:
+            t2 = text[:i] + mutant + text[i+1:]
+            yield from mutate(t2, i+1)
+            yield t2
+
+for name in names:
+    for mutant in mutate(name, 0):
+        if mutant in names:
+            print("{} <-> {}".format(name, mutant))
+