Trivial CLI for driving TradeCalc

cli.py

@@ -0,0 +1,38 @@
+from tradedb import *
+from tradecalc import *
+
+tdb = TradeDB(".\\TradeDangerous.accdb")
+calc = TradeCalc(tdb, capacity=16, margin=0.01, unique=False)
+curStation = None
+curCredits = 1000
+
+def at(station):
+    global curStation
+    curStation = tdb.getStation(station)
+
+def cr(n):
+    global curCredits
+    curCredits = int(n)
+
+def cap(n):
+    global calc
+    calc.capacity = int(n)
+
+def run(dst=None, stn=None, cr=None, cap=None):
+    global calc
+    srcStn = stn if stn else curStation
+    withCr = cr if cr else curCredits
+    if not dst:
+        return calc.getBestHopFrom(srcStn, withCr, capacity=cap)
+    dstStn = dst if isinstance(dst, Station) else tdb.getStation(dst)
+    print(srcStn, dstStn, withCr, cap)
+    return calc.getBestTrade(srcStn, dstStn, withCr, capacity=cap)
+
+def links(stn=None):
+    srcStn = stn if stn else curStation
+    if not srcStn:
+        print("You don't have a station selected. Use at('name') or links(stn='name')")
+        return None
+    if isinstance(srcStn, str):
+        srcStn = tdb.getStation(srcStn)
+    return srcStn.stations