def testInfer(self):
self.assertIsa(int, api.infer("5 + 5"))
# Test that IO needs to be explicit.
self.assertEqual(protocol.AnyType,
api.infer("csv(path, decode_header:true)"))
self.assertIsa(dict, api.infer("csv(path, decode_header:true)",
libs=("stdcore", "stdio")))
def main():
for description, query in QUERIES:
print("# %s\n%s" % (description, query))
# We can find out what the EFILTER query will return by using the type
# inference system. If it is a repeated value, we can render it in
# multiple rows.
result_type = api.infer(query,
replacements=[CATALOG_PATH],
libs=("stdcore", "stdio"))
print("# Return type will be %s." % (result_type.__name__,))
# api.apply will give us the actual result of running the query, which
# should be of the type we got above.
results = api.apply(query,
replacements=[CATALOG_PATH],
allow_io=True,
# We provide the top level variables in a 'vars'
# argument. To bind 'parsec2ly' to the function of
# the same name, we have to also wrap it in the
# EFILTER user_func. This prevents EFILTER from
# accidentally calling regular Python functions.
vars={"parsec2ly": api.user_func(parsec2ly)})
# Because we don't know the cardinality of the query in 'query' we can
# use 'getvalues' to always receive an iterator of results. This is just
# a convenience function.
for n, result in enumerate(api.getvalues(results)):
print("%d - %r" % (n + 1, result))
print("\n\n")
def testInference(self):
"""Test that infer_type correctly uses reflection on stdlib."""
self.assertEqual(api.infer("count((1, 2, 3))"), int)
def testInference(self):
"""Test that infer_type correctly uses reflection on stdlib."""
self.assertEqual(api.infer("count((1, 2, 3))"), int)
