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#!/usr/bin/env python3
##
# 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
#
# https://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.
import distutils.errors
import os
import setuptools # type: ignore
_HERE = os.path.dirname(os.path.abspath(__file__))
_AVRO_DIR = os.path.join(_HERE, "avro")
_VERSION_FILE_NAME = "VERSION.txt"
def _is_distribution():
"""Tests whether setup.py is invoked from a distribution.
Returns:
True if setup.py runs from a distribution.
False otherwise, ie. if setup.py runs from a version control work tree.
"""
# If a file PKG-INFO exists as a sibling of setup.py,
# assume we are running as source distribution:
return os.path.exists(os.path.join(_HERE, "PKG-INFO"))
def _generate_package_data():
"""Generate package data.
This data will already exist in a distribution package,
so this function only runs for local version control work tree.
"""
distutils.log.info("Generating package data")
# Avro top-level source directory:
root_dir = os.path.dirname(os.path.dirname(_HERE))
share_dir = os.path.join(root_dir, "share")
# Create a PEP440 compliant version file.
version_file_path = os.path.join(share_dir, _VERSION_FILE_NAME)
with open(version_file_path, "rb") as vin:
version = vin.read().replace(b"-", b"+")
with open(os.path.join(_AVRO_DIR, _VERSION_FILE_NAME), "wb") as vout:
vout.write(version)
avro_schemas_dir = os.path.join(share_dir, "schemas", "org", "apache", "avro")
ipc_dir = os.path.join(avro_schemas_dir, "ipc")
tether_dir = os.path.join(avro_schemas_dir, "mapred", "tether")
# Copy necessary avsc files:
avsc_files = (
((share_dir, "test", "schemas", "interop.avsc"), ("",)),
((ipc_dir, "HandshakeRequest.avsc"), ("",)),
((ipc_dir, "HandshakeResponse.avsc"), ("",)),
((tether_dir, "InputProtocol.avpr"), ("tether",)),
((tether_dir, "OutputProtocol.avpr"), ("tether",)),
)
for src, dst in avsc_files:
src = os.path.join(*src)
dst = os.path.join(_AVRO_DIR, *dst)
distutils.file_util.copy_file(src, dst)
class GenerateInteropDataCommand(setuptools.Command):
"""A command to generate Avro files for data interop test."""
user_options = [
("schema-file=", None, "path to input Avro schema file"),
("output-path=", None, "path to output Avro data files"),
]
def initialize_options(self):
self.schema_file = os.path.join(_AVRO_DIR, "interop.avsc")
self.output_path = os.path.join(_AVRO_DIR, "test", "interop", "data")
def finalize_options(self):
pass
def run(self):
# Late import -- this can only be run when avro is on the pythonpath,
# more or less after install.
import avro.test.gen_interop_data
if not os.path.exists(self.output_path):
os.makedirs(self.output_path)
with open(self.schema_file) as schema_file, open(os.path.join(self.output_path, "py.avro"), "wb") as output:
avro.test.gen_interop_data.generate(schema_file, output)
def _get_version():
curdir = os.getcwd()
if os.path.isfile("avro/VERSION.txt"):
version_file = "avro/VERSION.txt"
else:
index = curdir.index("lang/py")
path = curdir[:index]
version_file = os.path.join(path, "share/VERSION.txt")
with open(version_file) as verfile:
# To follow the naming convention defined by PEP 440
# in the case that the version is like "x.y.z-SNAPSHOT"
return verfile.read().rstrip().replace("-", "+")
def main():
if not _is_distribution():
_generate_package_data()
setuptools.setup(
cmdclass={
"generate_interop_data": GenerateInteropDataCommand,
}
)
if __name__ == "__main__":
main()
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