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136 lines
3.1 KiB
Python
136 lines
3.1 KiB
Python
import argparse
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import sys
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from typing import TYPE_CHECKING, Optional
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from . import __version__ as version
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from . import create_markdown
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from .renderers.markdown import MarkdownRenderer
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from .renderers.rst import RSTRenderer
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if TYPE_CHECKING:
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from .core import BaseRenderer
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from .markdown import Markdown
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def _md(args: argparse.Namespace) -> "Markdown":
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if args.plugin:
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plugins = args.plugin
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else:
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# default plugins
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plugins = ["strikethrough", "footnotes", "table", "speedup"]
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if args.renderer == "rst":
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renderer: "BaseRenderer" = RSTRenderer()
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elif args.renderer == "markdown":
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renderer = MarkdownRenderer()
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else:
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renderer = args.renderer
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return create_markdown(
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escape=args.escape,
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hard_wrap=args.hardwrap,
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renderer=renderer,
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plugins=plugins,
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)
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def _output(text: str, args: argparse.Namespace) -> None:
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if args.output:
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with open(args.output, "w") as f:
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f.write(text)
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else:
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print(text)
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CMD_HELP = """Mistune, a sane and fast python markdown parser.
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Here are some use cases of the command line tool:
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$ python -m mistune -m "Hi **Markdown**"
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<p>Hi <strong>Markdown</strong></p>
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$ python -m mistune -f README.md
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<p>...
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$ cat README.md | python -m mistune
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<p>...
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"""
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def cli() -> None:
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parser = argparse.ArgumentParser(
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prog="python -m mistune",
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description=CMD_HELP,
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formatter_class=argparse.RawDescriptionHelpFormatter,
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)
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parser.add_argument(
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"-m",
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"--message",
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help="the markdown message to convert",
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)
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parser.add_argument(
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"-f",
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"--file",
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help="the markdown file to convert",
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)
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parser.add_argument(
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"-p",
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"--plugin",
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metavar="NAME",
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action="extend",
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nargs="+",
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help="specifiy a plugin to use",
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)
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parser.add_argument(
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"--escape",
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action="store_true",
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help="turn on escape option",
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)
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parser.add_argument(
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"--hardwrap",
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action="store_true",
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help="turn on hardwrap option",
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)
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parser.add_argument(
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"-o",
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"--output",
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help="write the rendered result into file",
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)
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parser.add_argument(
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"-r",
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"--renderer",
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default="html",
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help="specify the output renderer",
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)
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parser.add_argument("--version", action="version", version="mistune " + version)
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args = parser.parse_args()
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message = args.message
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if not message and not args.file:
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message = read_stdin()
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if message:
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md = _md(args)
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text = md(message)
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assert isinstance(text, str)
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_output(text, args)
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elif args.file:
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md = _md(args)
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text = md.read(args.file)[0]
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assert isinstance(text, str)
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_output(text, args)
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else:
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print("You MUST specify a message or file")
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sys.exit(1)
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def read_stdin() -> Optional[str]:
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is_stdin_pipe = not sys.stdin.isatty()
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if is_stdin_pipe:
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return sys.stdin.read()
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else:
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return None
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if __name__ == "__main__":
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cli()
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