Merge "Merge hidden API metadata into a single CSV file."

	$(call commit-change-for-toc,$(INTERNAL_PLATFORM_HIDDENAPI_DARK_GREYLIST))

	$(call commit-change-for-toc,$(INTERNAL_PLATFORM_HIDDENAPI_BLACKLIST))

$(INTERNAL_PLATFORM_HIDDENAPI_GREYLIST_METADATA): \

    frameworks/base/tools/hiddenapi/merge_csv.py \

    $(PRIVATE_METADATA_INPUTS)

	frameworks/base/tools/hiddenapi/merge_csv.py $(PRIVATE_METADATA_INPUTS) > $@

$(call dist-for-goals,droidcore,$(INTERNAL_PLATFORM_HIDDENAPI_WHITELIST))

$(call dist-for-goals,droidcore,$(INTERNAL_PLATFORM_HIDDENAPI_LIGHT_GREYLIST))

$(call dist-for-goals,droidcore,$(INTERNAL_PLATFORM_HIDDENAPI_DARK_GREYLIST))

$(call dist-for-goals,droidcore,$(INTERNAL_PLATFORM_HIDDENAPI_BLACKLIST))

$(call dist-for-goals,droidcore,$(INTERNAL_PLATFORM_HIDDENAPI_GREYLIST_METADATA))

# Include subdirectory makefiles

# ============================================================

#!/usr/bin/env python

#

# Copyright (C) 2018 The Android Open Source Project

#

# Licensed 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.

"""

Merge mutliple CSV files, possibly with different columns, writing to stdout.

"""

import csv

import sys

csv_readers = [

    csv.DictReader(open(csv_file, 'rb'), delimiter=',', quotechar='|')

    for csv_file in sys.argv[1:]

]

# Build union of all columns from source files:

headers = set()

for reader in csv_readers:

  headers = headers.union(reader.fieldnames)

# Concatenate all files to output:

out = csv.DictWriter(sys.stdout, delimiter=',', quotechar='|', fieldnames = sorted(headers))

out.writeheader()

for reader in csv_readers:

  for row in reader:

    out.writerow(row)