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# Copyright (C) 2023 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.
# Formatting utilities
class Sentinel():
pass
SEPARATOR = Sentinel()
def FormatTable(data, prefix="", alignments=[]):
"""Pretty print a table.
Prefixes each row with `prefix`.
"""
if not data:
return ""
widths = [max([len(x) if x else 0 for x in col]) for col
in zip(*[d for d in data if not isinstance(d, Sentinel)])]
result = ""
colsep = " "
for row in data:
result += prefix
if row == SEPARATOR:
for w in widths:
result += "-" * w
result += colsep
result += "\n"
else:
for i in range(len(row)):
cell = row[i] if row[i] else ""
if i >= len(alignments) or alignments[i] == "R":
result += " " * (widths[i] - len(cell))
result += cell
if i < len(alignments) and alignments[i] == "L":
result += " " * (widths[i] - len(cell))
result += colsep
result += "\n"
return result
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