Revert of Check in a simple pure-python based Markdown previewer.

third_party/Python-Markdown/markdown/__main__.py

Index: third_party/Python-Markdown/markdown/__main__.py
diff --git a/third_party/Python-Markdown/markdown/__main__.py b/third_party/Python-Markdown/markdown/__main__.py
deleted file mode 100644
index 17bfa9f3c494a3f297452a2443e57034dea3ffed..0000000000000000000000000000000000000000
--- a/third_party/Python-Markdown/markdown/__main__.py
+++ /dev/null
@@ -1,136 +0,0 @@
-"""
-COMMAND-LINE SPECIFIC STUFF
-=============================================================================
-
-"""
-
-import sys
-import optparse
-import codecs
-import warnings
-import markdown
-try:
-    import yaml
-except ImportError:  # pragma: no cover
-    import json as yaml
-
-import logging
-from logging import DEBUG, WARNING, CRITICAL
-
-logger = logging.getLogger('MARKDOWN')
-
-
-def parse_options(args=None, values=None):
-    """
-    Define and parse `optparse` options for command-line usage.
-    """
-    usage = """%prog [options] [INPUTFILE]
-       (STDIN is assumed if no INPUTFILE is given)"""
-    desc = "A Python implementation of John Gruber's Markdown. " \
-           "https://pythonhosted.org/Markdown/"
-    ver = "%%prog %s" % markdown.version
-
-    parser = optparse.OptionParser(usage=usage, description=desc, version=ver)
-    parser.add_option("-f", "--file", dest="filename", default=None,
-                      help="Write output to OUTPUT_FILE. Defaults to STDOUT.",
-                      metavar="OUTPUT_FILE")
-    parser.add_option("-e", "--encoding", dest="encoding",
-                      help="Encoding for input and output files.",)
-    parser.add_option("-s", "--safe", dest="safe", default=False,
-                      metavar="SAFE_MODE",
-                      help="Deprecated! 'replace', 'remove' or 'escape' HTML "
-                      "tags in input")
-    parser.add_option("-o", "--output_format", dest="output_format",
-                      default='xhtml1', metavar="OUTPUT_FORMAT",
-                      help="'xhtml1' (default), 'html4' or 'html5'.")
-    parser.add_option("-n", "--no_lazy_ol", dest="lazy_ol",
-                      action='store_false', default=True,
-                      help="Observe number of first item of ordered lists.")
-    parser.add_option("-x", "--extension", action="append", dest="extensions",
-                      help="Load extension EXTENSION.", metavar="EXTENSION")
-    parser.add_option("-c", "--extension_configs",
-                      dest="configfile", default=None,
-                      help="Read extension configurations from CONFIG_FILE. "
-                      "CONFIG_FILE must be of JSON or YAML format. YAML"
-                      "format requires that a python YAML library be "
-                      "installed. The parsed JSON or YAML must result in a "
-                      "python dictionary which would be accepted by the "
-                      "'extension_configs' keyword on the markdown.Markdown "
-                      "class. The extensions must also be loaded with the "
-                      "`--extension` option.",
-                      metavar="CONFIG_FILE")
-    parser.add_option("-q", "--quiet", default=CRITICAL,
-                      action="store_const", const=CRITICAL+10, dest="verbose",
-                      help="Suppress all warnings.")
-    parser.add_option("-v", "--verbose",
-                      action="store_const", const=WARNING, dest="verbose",
-                      help="Print all warnings.")
-    parser.add_option("--noisy",
-                      action="store_const", const=DEBUG, dest="verbose",
-                      help="Print debug messages.")
-
-    (options, args) = parser.parse_args(args, values)
-
-    if len(args) == 0:
-        input_file = None
-    else:
-        input_file = args[0]
-
-    if not options.extensions:
-        options.extensions = []
-
-    extension_configs = {}
-    if options.configfile:
-        with codecs.open(
-            options.configfile, mode="r", encoding=options.encoding
-        ) as fp:
-            try:
-                extension_configs = yaml.load(fp)
-            except Exception as e:
-                message = "Failed parsing extension config file: %s" % \
-                          options.configfile
-                e.args = (message,) + e.args[1:]
-                raise
-
-    opts = {
-        'input': input_file,
-        'output': options.filename,
-        'extensions': options.extensions,
-        'extension_configs': extension_configs,
-        'encoding': options.encoding,
-        'output_format': options.output_format,
-        'lazy_ol': options.lazy_ol
-    }
-
-    if options.safe:
-        # Avoid deprecation warning if user didn't set option
-        opts['safe_mode'] = options.safe
-
-    return opts, options.verbose
-
-
-def run():  # pragma: no cover
-    """Run Markdown from the command line."""
-
-    # Parse options and adjust logging level if necessary
-    options, logging_level = parse_options()
-    if not options:
-        sys.exit(2)
-    logger.setLevel(logging_level)
-    console_handler = logging.StreamHandler()
-    logger.addHandler(console_handler)
-    if logging_level <= WARNING:
-        # Ensure deprecation warnings get displayed
-        warnings.filterwarnings('default')
-        logging.captureWarnings(True)
-        warn_logger = logging.getLogger('py.warnings')
-        warn_logger.addHandler(console_handler)
-
-    # Run
-    markdown.markdownFromFile(**options)
-
-
-if __name__ == '__main__':  # pragma: no cover
-    # Support running module as a commandline command.
-    # Python 2.7 & 3.x do: `python -m markdown [options] [args]`.
-    run()