* item
  * item

Hello there this is a paragraph

```python
code block

Slide 2

More text """ parser = Parser() slides = parser.parse_slides({}, input_data) assert len(slides) == 2

def render_markdown(markdown, height=50):
    """Returns the rendered canvas contents of the markdown
    """
    loop = urwid.MainLoop(urwid.Pile([]))
    renderer = lookatme.tui.SlideRenderer(loop)
    renderer.start()

    parser = Parser()
    _, slides = parser.parse_slides({"title": ""}, markdown)

    renderer.stop()
    pile_contents = renderer.render_slide(slides[0], force=True)
    renderer.join()

    pile = urwid.Pile([urwid.Text("testing")])
    pile.contents = pile_contents
    return list(pile.render((height,)).content())

def test_parse_metadata_empty():
    """Test that metadata can be correctly parsed out of a markdown
    presentation
    """
    input_data = f"""
---
---
remaining
    """

    parser = Parser()
    input_data, meta = parser.parse_meta(input_data)
    assert input_data.strip() == "remaining"
    now = datetime.datetime.now()
    assert meta["title"] == ""
    assert meta["date"].year == now.year
    assert meta["date"].month == now.month
    assert meta["date"].day == now.day
    assert meta["author"] == ""

## Heading 2

some text

## Heading 3

more text

## Heading 4

### Sub heading

#### Sub Heading
    """
    parser = Parser()
    meta = {"title": ""}
    _, slides = parser.parse_slides(meta, input_data)
    assert len(slides) == 4
    assert meta["title"] == "Heading Title"

presentation
    """
    title = "Presentation Title"
    date = "9999-01-01"
    author = "The Author"

    input_data = f"""
---
title: {title}
date: {date}
author: {author}
---
remaining
    """

    parser = Parser()
    input_data, meta = parser.parse_meta(input_data)
    assert input_data.strip() == "remaining"
    assert meta["title"] == title
    assert meta["date"].year == 9999
    assert meta["date"].month == 1
    assert meta["date"].day == 1
    assert meta["author"] == author

input_data = r"""
## Heading 2

some text

## Heading 3

more text

## Heading 4

### Sub heading

#### Sub Heading
    """
    parser = Parser()
    meta = {"title": ""}
    _, slides = parser.parse_slides(meta, input_data)
    assert len(slides) == 3
    assert meta["title"] == ""

def reload(self, data=None):
        """Reload this presentation

        :param str data: The data to render for this slide deck (optional)
        """
        if data is None:
            with open(self.input_filename, "r") as f:
                data = f.read()

        parser = Parser()
        self.meta, self.slides = parser.parse(data)
        lookatme.contrib.load_contribs(self.meta.get("extensions", []))

        self.styles = lookatme.themes.ensure_defaults(self.theme_mod)
        dict_deep_update(self.styles, self.meta.get("styles", {}))

        # now apply any command-line style overrides
        if self.style_override is not None:
            self.styles["style"] = self.style_override

        lookatme.config.STYLE = self.styles