101 lines
3.9 KiB
Python
101 lines
3.9 KiB
Python
#! /usr/bin/env python3
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# template.py (and other filenames)
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# By Max Eliaser (max.eliaser@intel.com)
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# Copyright (c) 2014 Intel Corp.
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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# This program acts like a dummy version of the texinfo utilities, creating
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# the right output files but leaving them blank. It will parse out the name
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# of the executable from argv[0] and emulate the corresponding program, so
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# multiple copies of this script will exist under different names.
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import sys, os, argparse
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this_binary = sys.argv[0].split("/")[-1]
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# To be outputted if functionality that hasn't been stubbed yet is invoked.
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stub_msg = """
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This stand-in version of %s is not yet fully capable of emulating
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the real version from the GNU texinfo suite. If you see this message, file a
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bug report with details on the recipe that failed.
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""" % this_binary
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# Autotools setups query the version, so this is actually necessary. Some of
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# them (lookin' at you, glibc) actually look for the substring "GNU texinfo,"
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# so we put that substring in there without actually telling a lie.
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version_str = """%s (fake texinfo, emulating GNU texinfo) 5.2
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Super amazing version which is totally not fake in any way whatsoever.
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Copyright (C) 2014 Intel Corp. Distributed under the terms of the MIT
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license.
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""" % this_binary
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simple_binaries = "pod2texi texi2dvi pdftexi2dvi texindex texi2pdf \
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txixml2texi install-info ginstall-info \
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update-info-dir".split()
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# These utilities use a slightly different set of options and flags.
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complex_binaries = "makeinfo texi2any".split()
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valid_binaries = simple_binaries + complex_binaries
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assert this_binary in valid_binaries, \
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this_binary + " is not one of " + ', '.join(valid_binaries)
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# For debugging
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log_interceptions = False
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if log_interceptions:
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with open("/tmp/intercepted_" + this_binary, "a") as f:
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f.write(' '.join([this_binary] + sys.argv[1:]) + '\n')
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# Look through the options and flags, and if necessary, touch any output
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# files.
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p = argparse.ArgumentParser()
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if this_binary in complex_binaries:
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p.add_argument('-E', '--macro-expand', metavar='FILE')
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p.add_argument('-o', '--output', metavar='DEST')
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p.add_argument('--version', action='store_true')
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args, unknown = p.parse_known_args()
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if args.version:
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print(version_str)
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sys.exit(0)
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# Check for functionality that isn't implemented yet.
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assert not getattr(args, 'macro_expand', None), \
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"-E/--macro-expand option not yet supported" + stub_msg
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# Check if -o or --output is specified.
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if args.output:
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with open(args.output, 'w'):
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pass
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sys.exit(0)
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# The -o/--output option overrides the default. For makeinfo and texi2any,
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# that default is to look for a @setfilename command in the input file.
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# Otherwise, printing nothing to stdout and then exiting should suffice.
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assert this_binary in simple_binaries, \
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"Don't know how to get default output file name from input file!" + \
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stub_msg
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