def filter_packages(query, package_infos):
if query is None:
return package_infos
try:
if "!" in query:
raise ConanException("'!' character is not allowed")
if " not " in query or query.startswith("not "):
raise ConanException("'not' operator is not allowed")
postfix = infix_to_postfix(query) if query else []
result = {}
for package_id, info in package_infos.items():
if evaluate_postfix_with_info(postfix, info):
result[package_id] = info
return result
except Exception as exc:
raise ConanException("Invalid package query: %s. %s" % (query, exc))
def filter_packages(query, package_infos):
if query is None:
return package_infos
try:
if "!" in query:
raise ConanException("'!' character is not allowed")
if " not " in query or query.startswith("not "):
raise ConanException("'not' operator is not allowed")
result = {}
postfix = infix_to_postfix(query) if query else []
for package_id, info in package_infos.items():
if evaluate_postfix_with_info(postfix, info):
result[package_id] = info
return result
except Exception as exc:
raise ConanException("Invalid package query: %s. %s" % (query, exc))
def test_get_postfix(self):
r = infix_to_postfix("")
self.assertEquals(r, [])
r = infix_to_postfix("a=2")
self.assertEquals(r, ["a=2"])
r = infix_to_postfix("a=2 OR b=3")
self.assertEquals(r, ["a=2", "b=3", "|"])
r = infix_to_postfix("a= OR b=")
self.assertEquals(r, ["a=", "b=", "|"]) # Equivalent to ""
r = infix_to_postfix("(a=2 OR b=3) AND (j=34 AND j=45) OR (a=1)")
self.assertEquals(r, ["a=2", "b=3", "|", "j=34", "j=45", "&", "a=1", "&", "|"])
with self.assertRaisesRegexp(Exception, "Invalid expression: 2"):
r = infix_to_postfix("a= 2 OR b=3")
def evaluate(q):
r = infix_to_postfix(q)
return evaluate_postfix(r, evaluator)
def evaluate(q):
r = infix_to_postfix(q)
return evaluate_postfix(r, evaluator)
