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src/utilities/external/pylatexenc/latexencode/__main__.py

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+# -*- coding: utf-8 -*-
+#
+# The MIT License (MIT)
+#
+# Copyright (c) 2019 Philippe Faist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+
+import argparse
+import fileinput
+import logging
+import sys
+
+from ..latexencode import unicode_to_latex
+from ..version import version_str
+
+
+def main(argv=None):
+
+    if argv is None:
+        argv = sys.argv[1:]
+
+    parser = argparse.ArgumentParser(prog="latexencode", add_help=False)
+    parser.add_argument(
+        "files",
+        metavar="FILE",
+        nargs="*",
+        help="Input files (if none specified, read from stdandard input)",
+    )
+
+    parser.add_argument(
+        "--non-ascii-only",
+        action="store_const",
+        const=True,
+        dest="non_ascii_only",
+        default=False,
+    )
+    parser.add_argument(
+        "--no-non-ascii-only",
+        action="store_const",
+        const=False,
+        dest="non_ascii_only",
+        help="The option --non-ascii-only specifies that only non-ascii characters "
+        "are to be encoded into LaTeX sequences, and not characters like '$' "
+        "even though they might have a special LaTeX meaning.",
+    )
+
+    parser.add_argument(
+        "--replacement-latex-protection",
+        choices=(
+            "braces",
+            "braces-all",
+            "braces-almost-all",
+            "braces-after-macro",
+            "none",
+        ),
+        dest="replacement_latex_protection",
+        default="braces",
+        help=r"How to protect replacement latex code from producing invalid latex code "
+        r"when concatenated in a longer string.  One of 'braces', 'braces-all', "
+        r"'braces-almost-all', 'braces-after-macro', 'none'.  Example: using "
+        r"choice 'braces' we avoid the invalid replacement 'a→b' -> 'a\tob' "
+        r"with instead 'a{\to}b'.",
+    )
+
+    parser.add_argument(
+        "--unknown-char-policy",
+        choices=("keep", "replace", "ignore", "fail"),
+        dest="unknown_char_policy",
+        default="keep",
+        help="How to deal with nonascii characters with no known latex code equivalent.",
+    )
+
+    parser.add_argument(
+        "-q",
+        "--quiet",
+        dest="logging_level",
+        action="store_const",
+        const=logging.ERROR,
+        default=logging.INFO,
+        help="Suppress warning messages",
+    )
+    parser.add_argument(
+        "--version",
+        action="version",
+        version="pylatexenc {}".format(version_str),
+        help="Show version information and exit",
+    )
+    parser.add_argument(
+        "--help", action="help", help="Show this help information and exit"
+    )
+
+    args = parser.parse_args(argv)
+
+    logging.basicConfig()
+    logging.getLogger().setLevel(args.logging_level)
+
+    latex = ""
+    for line in fileinput.input(files=args.files):
+        latex += line
+
+    result = unicode_to_latex(
+        latex,
+        non_ascii_only=args.non_ascii_only,
+        replacement_latex_protection=args.replacement_latex_protection,
+        unknown_char_policy=args.unknown_char_policy,
+    )
+
+    sys.stdout.write(result)
+
+
+def run_main():
+    try:
+
+        main()
+
+    except SystemExit:
+        raise
+    except:  # lgtm [py/catch-base-exception]
+        import pdb
+        import traceback
+
+        traceback.print_exc()
+        pdb.post_mortem()
+
+
+if __name__ == "__main__":
+
+    # run_main()  ## DEBUG
+    main()