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https://github.com/keithasaurus/simple_html

fast, templateless html generation
https://github.com/keithasaurus/simple_html

html python typesafe

Last synced: 7 days ago
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fast, templateless html generation

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# simple_html

### Template-less. Type-safe. Minified by default. Fast.

simple_html allows you to create HTML in standard Python. Benefits include:
- typically faster than jinja2 -- up to 15x faster
- typically renders fewer bytes than template-based rendering
- types let your editor and tools help you write correct code faster
- lightweight and framework agnostic
- always renders valid html

### Installation
`pip install simple-html`

### Usage

```python
from simple_html import div, h1, render, p

node = div({},
h1({"id": "hello"},
"Hello World!"),
p({},
"hooray!"))

render(node)
#


Hello World!


hooray!



```

There are several ways to render nodes:
```python
from simple_html import br, div, h1, img, render

# raw node
render(br)
#

# node with attributes only
render(img({"src": "/some/image/url.jpg", "alt": "a great picture"}))
# a great picture

# node with children
render(
div({},
h1({},
"something"))
)
#

something

'
```

Tag attributes with `None` as the value will only render the attribute name:
```python
from simple_html import div, render

render(
div({"empty-str-attribute": "",
"key-only-attr": None})
)
#


```

You can render inline css styles with `render_styles`:
```python
from simple_html import div, render, render_styles

styles = render_styles({"min-width": "25px"})

render(
div({"style": styles},
"cool")
)
#

cool

# ints and floats are legal values
styles = render_styles({"padding": 0, "flex-grow": 0.6})

render(
div({"style": styles},
"wow")
)
#

wow

```

Lists and generators are both valid collections of nodes:
```python
from typing import Generator
from simple_html import div, render, Node, br

def get_list_of_nodes() -> list[Node]:
return ["neat", br]

render(div({}, get_list_of_nodes()))
#

neat

def node_generator() -> Generator[Node, None, None]:
yield "neat"
yield br

render(
div({}, node_generator())
)
#

neat


```

For convenience, many tags are provided, but you can also create your own:

```python
from simple_html import Tag, render

custom_elem = Tag("custom-elem")

# works the same as any other tag
node = custom_elem(
{"id": "some-custom-elem-id"},
"Wow"
)

render(node) # Wow
```

Strings are escaped by default, but you can pass in `SafeString`s to avoid escaping.

```python
from simple_html import br, p, SafeString, render

node = p({},
"Escaped & stuff",
br,
SafeString("Not escaped & stuff"))

render(node) #

Escaped & stuff
Not escaped & stuff


```

Attributes are also escaped -- both names and values. You can use `SafeString` to bypass, if needed.

```python
from simple_html import div, render, SafeString

escaped_attrs_node = div({"":""})

render(escaped_attrs_node) #

unescaped_attrs_node = div({SafeString(""): SafeString("")})

render(unescaped_attrs_node) #

="">

```