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try:
import btree
import uio
except ImportError:
print("SKIP")
import sys
sys.exit()
#f = open("_test.db", "w+b")
f = uio.BytesIO()
db = btree.open(f)
db[b"foo3"] = b"bar3"
db[b"foo1"] = b"bar1"
db[b"foo2"] = b"bar2"
db[b"bar1"] = b"foo1"
print(db[b"foo2"])
try:
print(db[b"foo"])
except KeyError:
print("KeyError")
print(db.get(b"foo"))
print(db.get(b"foo", b"dflt"))
del db[b"foo2"]
try:
del db[b"foo"]
except KeyError:
print("KeyError")
for k, v in db.items():
print((k, v))
print("---")
for k, v in db.items(None, None):
print((k, v))
print("---")
for k, v in db.items(b"f"):
print((k, v))
print("---")
for k, v in db.items(b"f", b"foo3"):
print((k, v))
print("---")
for k, v in db.items(None, b"foo3"):
print((k, v))
print("---")
for k, v in db.items(b"f", b"foo3", btree.INCL):
print((k, v))
print("---")
for k, v in db.items(None, None, btree.DESC):
print((k, v))
print(list(db.keys()))
print(list(db.values()))
for k in db:
print(k)
print("foo1", "foo1" in db)
print("foo2", "foo2" in db)
db.close()
f.close()
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