X-Git-Url: https://harishankar.org/repos/?p=getaclue.git;a=blobdiff_plain;f=crosswordpuzzle.py;fp=crosswordpuzzle.py;h=628392098506ae21438d7e8b561f1cd0ae869148;hp=7ee206fc53ed4bdf20eb0c2c09949eea446a6352;hb=ba6131685060a4abee86a6453c3538c5afe3d9ca;hpb=ed2b699c63f1dd0005366ce7fb84f9c39a7bd27a

diff --git a/crosswordpuzzle.py b/crosswordpuzzle.py
index 7ee206f..6283920 100644
--- a/crosswordpuzzle.py
+++ b/crosswordpuzzle.py
@@ -93,6 +93,11 @@ class TooLongWordException (Exception):
 		self.word = word
 		self.length = length
 
+# exception for words containing non-alpha characters
+class WordCharsException (Exception):
+	def __init__ (self, word):
+		self.word = word
+
 # exception for intersecting words
 class IntersectWordException (Exception):
 	def __init__ (self, word, length):
@@ -431,6 +436,10 @@ class CrosswordPuzzle:
 		# if the grid is frozen then abort
 		self.assert_unfrozen_grid ()
 
+		# if the word has non-alphabetic characters
+		if not word.isalpha ():
+			raise WordCharsException (word)
+
 		# if the word length greater than totalrows - startrow
 		if len(word) > self.rows - row:
 			raise TooLongWordException (word, len(word))
@@ -485,6 +494,10 @@ class CrosswordPuzzle:
 		# if the grid is frozen then abort
 		self.assert_unfrozen_grid ()
 
+		# if the word has non-alphabetic characters
+		if not word.isalpha ():
+			raise WordCharsException (word)
+
 		# is the word length greater than totalcols - startcol?
 		if len(word) > self.cols - col:
 			raise TooLongWordException (word, len(word))