mirror of
https://github.com/open-source-parsers/jsoncpp.git
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95 lines
3.9 KiB
Python
95 lines
3.9 KiB
Python
"""Updates the license text in source file.
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"""
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from __future__ import print_function
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# An existing license is found if the file starts with the string below,
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# and ends with the first blank line.
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LICENSE_BEGIN = "// Copyright "
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BRIEF_LICENSE = LICENSE_BEGIN + """2007-2010 Baptiste Lepilleur
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// Distributed under MIT license, or public domain if desired and
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// recognized in your jurisdiction.
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// See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
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""".replace('\r\n','\n')
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def update_license( path, dry_run, show_diff ):
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"""Update the license statement in the specified file.
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Parameters:
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path: path of the C++ source file to update.
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dry_run: if True, just print the path of the file that would be updated,
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but don't change it.
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show_diff: if True, print the path of the file that would be modified,
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as well as the change made to the file.
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"""
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with open( path, 'rt' ) as fin:
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original_text = fin.read().replace('\r\n','\n')
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newline = fin.newlines and fin.newlines[0] or '\n'
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if not original_text.startswith( LICENSE_BEGIN ):
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# No existing license found => prepend it
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new_text = BRIEF_LICENSE + original_text
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else:
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license_end_index = original_text.index( '\n\n' ) # search first blank line
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new_text = BRIEF_LICENSE + original_text[license_end_index+2:]
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if original_text != new_text:
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if not dry_run:
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with open( path, 'wb' ) as fout:
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fout.write( new_text.replace('\n', newline ) )
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print('Updated', path)
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if show_diff:
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import difflib
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print('\n'.join( difflib.unified_diff( original_text.split('\n'),
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new_text.split('\n') ) ))
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return True
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return False
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def update_license_in_source_directories( source_dirs, dry_run, show_diff ):
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"""Updates license text in C++ source files found in directory source_dirs.
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Parameters:
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source_dirs: list of directory to scan for C++ sources. Directories are
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scanned recursively.
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dry_run: if True, just print the path of the file that would be updated,
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but don't change it.
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show_diff: if True, print the path of the file that would be modified,
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as well as the change made to the file.
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"""
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from devtools import antglob
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prune_dirs = antglob.prune_dirs + 'scons-local* ./build* ./libs ./dist'
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for source_dir in source_dirs:
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cpp_sources = antglob.glob( source_dir,
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includes = '''**/*.h **/*.cpp **/*.inl''',
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prune_dirs = prune_dirs )
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for source in cpp_sources:
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update_license( source, dry_run, show_diff )
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def main():
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usage = """%prog DIR [DIR2...]
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Updates license text in sources of the project in source files found
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in the directory specified on the command-line.
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Example of call:
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python devtools\licenseupdater.py include src -n --diff
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=> Show change that would be made to the sources.
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python devtools\licenseupdater.py include src
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=> Update license statement on all sources in directories include/ and src/.
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"""
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from optparse import OptionParser
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parser = OptionParser(usage=usage)
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parser.allow_interspersed_args = False
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parser.add_option('-n', '--dry-run', dest="dry_run", action='store_true', default=False,
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help="""Only show what files are updated, do not update the files""")
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parser.add_option('--diff', dest="show_diff", action='store_true', default=False,
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help="""On update, show change made to the file.""")
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parser.enable_interspersed_args()
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options, args = parser.parse_args()
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update_license_in_source_directories( args, options.dry_run, options.show_diff )
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print('Done')
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if __name__ == '__main__':
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import sys
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import os.path
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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main()
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