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from searchparser import SearchQueryParser
products = [ "grape juice", "grape jelly", "orange juice", "orange jujubees",
"strawberry jam", "prune juice", "prune butter", "orange marmalade",
"grapefruit juice" ]
class FruitSearchParser(SearchQueryParser):
def GetWord(self, word):
return set( p for p in products if p.startswith(word + " ") )
def GetWordWildcard(self, word):
return set( p for p in products if p.startswith(word[:-1]) )
def GetQuotes(self, search_string, tmp_result):
result = Set()
# I have no idea how to use this feature...
return result
def GetNot(self, not_set):
return set( products ) - not_set
parser = FruitSearchParser()
tests = """\
grape or orange
grape*
not(grape*)
prune and grape""".splitlines()
for t in tests:
print(t.strip())
print(parser.Parse(t))
print()
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