when many products are found, ask user to select one

weboob/applications/comparoob/comparoob.py

@@ -94,14 +94,22 @@ class Comparoob(ReplApplication):
         for backend, product in self.do('search_products', pattern):
             products.append(product)
 
+        product = None
         if len(products) == 0:
             print >>sys.stderr, 'Error: no product found with this pattern'
             return 1
         elif len(products) == 1:
             product = products[0]
         else:
-            print >>sys.stderr, 'Error: too many results, TODO'
-            return 1
+            print 'What product do you want to compare?'
+            for i, product in enumerate(products):
+                print '  %s%2d)%s %s' % (self.BOLD, i+1, self.NC, product.name)
+            r = int(self.ask('  Select a product', regexp='\d+'))
+            while product is None:
+                if r <= 0 or r > len(products):
+                    print 'Error: Please enter a valid ID'
+                    continue
+                product = products[r-1]
 
         self.change_path([u'prices'])
         self.start_format()