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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
def classes():
import sys
import typedbytes
from fastb import reads, writes
from struct import error as StructError
def flatten(iterable):
for i in iterable:
for j in i:
yield j
class Input(typedbytes.Input):
def reads(self):
return reads(self.file, self.lookup)
class Output(typedbytes.Output):
def writes(self, iterable):
writes(self.file, iterable, self.lookup)
class PairedInput(typedbytes.PairedInput):
def reads(self):
next = reads(self.file, self.lookup).next
while True:
key = next()
try:
value = next()
except StopIteration:
raise StructError('EOF before second item in pair')
yield key, value
class PairedOutput(typedbytes.PairedOutput):
def writes(self, iterable):
writes(self.file, flatten(iterable), self.lookup)
return Input, Output, PairedInput, PairedOutput, typedbytes.Bytes
Input, Output, PairedInput, PairedOutput, Bytes = classes()
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