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# 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.
"""A command line tool for diffing files.
This demonstrates the simplest possible way to turn a module into a command line
interface with Python Fire. It exemplifies the power and shortcomings of relying
on Python Fire's simplicity.
See //fire/examples/diff/diff.py for another way of turning
difflib into a CLI that requires more code, but gives the developer more control
over the CLI's API.
Use the help flag to see usage for all the things this CLI can do. For example:
difffull -- -h
difffull HtmlDiff -- -h # Help for the HtmlDiff class
difffull HtmlDiff - -- -h # Help for an HtmlDiff object, not the HtmlDiff class
Here are some of the diff commands available:
difffull ndiff A B [LINEJUNK] [CHARJUNK]
difffull context-diff A B [FROMFILE] [TOFILE] [FROMFILEDATE] [TOFILEDATE] [N]
difffull unified-diff A B [FROMFILE] [TOFILE] [FROMFILEDATE] [TOFILEDATE] [N]
difffull HtmlDiff - make-file FROMLINES TOLINES [FROMDESC] [TODESC] [CONTEXT]
For more useful versions of those last four commands using Python Fire, see
//fire/examples/diff:diff.par
"""
import difflib
import fire
def main():
fire.Fire(difflib, name='difffull')
if __name__ == '__main__':
main()