7315d7b3d7
There are now less that 400 days until the end of life of Python 2(aka _legacy_ Python) https://pythonclock.org/ . The code compatibility check for python2 and python3 used the following tools: futurize, flake8 You can see the reports here: https://travis-ci.com/bmsdave/v8/builds This CL was uploaded by git cl split. Bug: v8:8594 Change-Id: I661c52a70527e8ddde841fee6d4dcba282b4a938 Reviewed-on: https://chromium-review.googlesource.com/c/1470123 Commit-Queue: Sergiy Belozorov <sergiyb@chromium.org> Reviewed-by: Sergiy Belozorov <sergiyb@chromium.org> Cr-Commit-Position: refs/heads/master@{#59675}
79 lines
2.9 KiB
Python
79 lines
2.9 KiB
Python
#!/usr/bin/env python
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#
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# Copyright 2014 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# This utility concatenates several files into one. On Unix-like systems
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# it is equivalent to:
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# cat file1 file2 file3 ...files... > target
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#
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# The reason for writing a separate utility is that 'cat' is not available
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# on all supported build platforms, but Python is, and hence this provides
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# us with an easy and uniform way of doing this on all platforms.
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# for py2/py3 compatibility
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from __future__ import print_function
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import optparse
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def Concatenate(filenames):
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"""Concatenate files.
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Args:
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files: Array of file names.
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The last name is the target; all earlier ones are sources.
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Returns:
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True, if the operation was successful.
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"""
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if len(filenames) < 2:
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print("An error occurred generating %s:\nNothing to do." % filenames[-1])
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return False
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try:
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with open(filenames[-1], "wb") as target:
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for filename in filenames[:-1]:
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with open(filename, "rb") as current:
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target.write(current.read())
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return True
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except IOError as e:
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print("An error occurred when writing %s:\n%s" % (filenames[-1], e))
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return False
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def main():
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parser = optparse.OptionParser()
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parser.set_usage("""Concatenate several files into one.
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Equivalent to: cat file1 ... > target.""")
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(options, args) = parser.parse_args()
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exit(0 if Concatenate(args) else 1)
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if __name__ == "__main__":
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main()
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