# Copyright (C) 2018 Google Inc.

#

# 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 for use in creating help text."""

from __future__ import absolute_import

from __future__ import division

from __future__ import print_function

import termcolor

def Indent(text, spaces=2):

lines = text.split('\n')

return '\n'.join(

' ' * spaces + line if line else line

for line in lines)

def Bold(text):

return termcolor.colored(text, attrs=['bold'])

def Underline(text):

return termcolor.colored(text, attrs=['underline'])

def BoldUnderline(text):

return Bold(Underline(text))

def WrappedJoin(items, separator=' | ', width=80):

"""Joins the items by the separator, wrapping lines at the given width."""

lines = []

current_line = ''

for index, item in enumerate(items):

is_final_item = index == len(items) - 1

if is_final_item:

if len(current_line) + len(item) <= width:

current_line += item

else:

lines.append(current_line.rstrip())

current_line = item

else:

if len(current_line) + len(item) + len(separator) <= width:

current_line += item + separator

else:

lines.append(current_line.rstrip())

current_line = item + separator

lines.append(current_line)

return lines

def Error(text):

return termcolor.colored(text, color='red', attrs=['bold'])