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# -*- coding: utf-8 -*-
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#
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# The MIT License (MIT)
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#
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# Copyright (c) 2018 Philippe Faist
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#
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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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#
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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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#
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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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#
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import argparse
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import fileinput
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import json
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import logging
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import sys
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from ..latexwalker import LatexWalker, disp_node, make_json_encoder
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from ..version import version_str
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def main(argv=None):
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if argv is None:
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argv = sys.argv[1:]
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parser = argparse.ArgumentParser(prog="latexwalker", add_help=False)
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parser.add_argument(
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"--output-format",
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metavar="FORMAT",
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dest="output_format",
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choices=["human", "json"],
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default="human",
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help='Requested output format for the node tree ("human" or "json")',
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)
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parser.add_argument(
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"--json-indent",
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metavar="NUMSPACES",
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dest="json_indent",
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type=int,
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default=2,
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help="Indentation in JSON output (specify number of spaces "
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"per indentation level)",
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)
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parser.add_argument(
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"--json-compact",
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dest="json_indent",
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action="store_const",
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const=None,
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help="Output compact JSON",
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)
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parser.add_argument(
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"--keep-inline-math",
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action="store_const",
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const=True,
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dest="keep_inline_math",
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default=True,
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help=argparse.SUPPRESS,
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)
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parser.add_argument(
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"--no-keep-inline-math",
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action="store_const",
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const=False,
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dest="keep_inline_math",
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help=argparse.SUPPRESS,
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)
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parser.add_argument(
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"--tolerant-parsing",
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action="store_const",
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const=True,
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dest="tolerant_parsing",
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default=True,
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)
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parser.add_argument(
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"--no-tolerant-parsing",
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action="store_const",
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const=False,
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dest="tolerant_parsing",
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help="Tolerate syntax errors when parsing, and attempt "
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"to continue (default yes)",
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)
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# I'm not sure this flag is useful and if it should be exposed at all.
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# Accept it, but make it hidden.
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parser.add_argument(
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"--strict-braces",
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action="store_const",
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const=True,
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dest="strict_braces",
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default=False,
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help=argparse.SUPPRESS,
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)
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parser.add_argument(
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"--no-strict-braces",
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action="store_const",
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const=False,
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dest="strict_braces",
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# help="Report errors for mismatching LaTeX braces (default no)"
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help=argparse.SUPPRESS,
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)
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parser.add_argument(
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"-q",
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"--quiet",
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dest="logging_level",
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action="store_const",
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const=logging.ERROR,
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default=logging.INFO,
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help="Suppress warning messages",
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)
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parser.add_argument(
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"-v",
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"--verbose",
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dest="logging_level",
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action="store_const",
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const=logging.DEBUG,
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help="Verbose output",
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)
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parser.add_argument(
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"--version",
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action="version",
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version="pylatexenc {}".format(version_str),
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help="Show version information and exit",
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)
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parser.add_argument(
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"--help", action="help", help="Show this help information and exit"
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)
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parser.add_argument(
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"--code",
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"-c",
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action="store",
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default=None,
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metavar="LATEX_CODE",
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help="Convert the given LATEX_CODE to unicode text instead of reading "
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"from FILE or standard input. You cannot specify FILEs if you use this "
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"option, and any standard input is ignored.",
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)
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parser.add_argument(
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"files",
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metavar="FILE",
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nargs="*",
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help="Input files (if none specified, read from stdandard input)",
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)
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args = parser.parse_args(argv)
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logging.basicConfig()
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logging.getLogger().setLevel(args.logging_level)
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logger = logging.getLogger(__name__)
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latex = ""
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if args.code:
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if args.files:
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logger.error(
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"Cannot specify both FILEs and --code option. "
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"Use --help option for more information."
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)
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sys.exit(1)
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latex = args.code
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else:
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for line in fileinput.input(files=args.files):
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latex += line
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latexwalker = LatexWalker(
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latex, tolerant_parsing=args.tolerant_parsing, strict_braces=args.strict_braces
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)
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(nodelist, pos, len_) = latexwalker.get_latex_nodes()
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if args.output_format == "human":
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print("\n--- NODES ---\n")
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for n in nodelist:
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disp_node(n)
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print("\n-------------\n")
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return
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if args.output_format == "json":
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json.dump(
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{
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"nodelist": nodelist,
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},
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sys.stdout,
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cls=make_json_encoder(latexwalker),
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indent=args.json_indent,
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)
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sys.stdout.write("\n")
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return
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raise ValueError("Invalid output format: " + args.output_format)
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def run_main():
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try:
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main()
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except SystemExit:
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raise
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except: # lgtm [py/catch-base-exception]
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import pdb
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import traceback
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traceback.print_exc()
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pdb.post_mortem()
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if __name__ == "__main__":
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# run_main() # debug
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main()
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