Fix markdown formatting

Includes fix to typo in function name.

Ref: fastapi#447

tests/test_rich_utils.py

@@ -50,3 +50,29 @@ def main() -> None:
 
     assert result.exit_code == 0
     assert "Show this message" in result.stdout
+
+
+def test_markdown_pars():
+    app = typer.Typer(rich_markup_mode="markdown")
+
+    @app.command()
+    def main():
+        """First line
+
+        Line 1
+
+        Line 2
+        """
+
+    result = runner.invoke(app, ["--help"])
+    lines = [line.strip() for line in result.stdout.split("\n")]
+    help_start = lines.index("First line")
+    assert help_start != -1
+    assert lines[help_start : help_start + 6] == [
+        "First line",
+        "",
+        "Line 1",
+        "",
+        "Line 2",
+        "",
+    ]

typer/rich_utils.py

@@ -144,7 +144,7 @@ def _get_rich_console(stderr: bool = False) -> Console:
     )
 
 
-def _make_rich_rext(
+def _make_rich_text(
     *, text: str, style: str = "", markup_mode: MarkupMode
 ) -> Union[Markdown, Text]:
     """Take a string, remove indentations, and return styled text.
@@ -190,20 +190,21 @@ def _get_help_text(
     help_text = help_text.partition("\f")[0]
 
     # Get the first paragraph
-    first_line = help_text.split("\n\n")[0]
+    first_line, *remaining_paragraphs = help_text.split("\n\n")
+
     # Remove single linebreaks
     if markup_mode != MARKUP_MODE_MARKDOWN and not first_line.startswith("\b"):
         first_line = first_line.replace("\n", " ")
-    yield _make_rich_rext(
+    yield _make_rich_text(
         text=first_line.strip(),
         style=STYLE_HELPTEXT_FIRST_LINE,
         markup_mode=markup_mode,
     )
 
     # Get remaining lines, remove single line breaks and format as dim
-    remaining_paragraphs = help_text.split("\n\n")[1:]
     if remaining_paragraphs:
-        if markup_mode != MARKUP_MODE_RICH:
+        yield Text("")
+        if markup_mode not in (MARKUP_MODE_RICH, MARKUP_MODE_MARKDOWN):
             # Remove single linebreaks
             remaining_paragraphs = [
                 x.replace("\n", " ").strip()
@@ -217,7 +218,7 @@ def _get_help_text(
             # Join with double linebreaks if markdown
             remaining_lines = "\n\n".join(remaining_paragraphs)
 
-        yield _make_rich_rext(
+        yield _make_rich_text(
             text=remaining_lines,
             style=STYLE_HELPTEXT,
             markup_mode=markup_mode,
@@ -272,7 +273,7 @@ def _get_parameter_help(
                 for x in paragraphs
             ]
         items.append(
-            _make_rich_rext(
+            _make_rich_text(
                 text="\n".join(paragraphs).strip(),
                 style=STYLE_OPTION_HELP,
                 markup_mode=markup_mode,
@@ -331,7 +332,7 @@ def _make_command_help(
         paragraphs[0] = paragraphs[0].replace("\n", " ")
     elif paragraphs[0].startswith("\b"):
         paragraphs[0] = paragraphs[0].replace("\b\n", "")
-    return _make_rich_rext(
+    return _make_rich_text(
         text=paragraphs[0].strip(),
         style=STYLE_OPTION_HELP,
         markup_mode=markup_mode,
@@ -674,7 +675,7 @@ def rich_format_help(
         # Remove single linebreaks, replace double with single
         lines = obj.epilog.split("\n\n")
         epilogue = "\n".join([x.replace("\n", " ").strip() for x in lines])
-        epilogue_text = _make_rich_rext(text=epilogue, markup_mode=markup_mode)
+        epilogue_text = _make_rich_text(text=epilogue, markup_mode=markup_mode)
         console.print(Padding(Align(epilogue_text, pad=False), 1))