pyhead 🐍🤯

The Python HTML <head> filler.

pip install pyhead

pyhead 🐍🤯

What is Pyhead?

Pyhead is a Python package that helps you generate the <head> tag for your HTML pages.

Flask example

from flask import Flask, render_template

from pyhead import Head
from pyhead import elements as e


def create_app():
    app = Flask(__name__)

    @app.route("/")
    def index():
        head = Head([
            e.Page(
                title="Hello World",
                description="This is a test",
                keywords="test, hello, world",
                subject="Hello World",
                rating="General",
            ),
            e.Base("http://127.0.0.1:5000"),
            e.Robots("index, follow"),
            e.ContentSecurityPolicy(),
            e.ReferrerPolicy("no-referrer"),
            e.Google(
                googlebot="index, follow",
                no_sitelinks_search_box=True,
                no_translate=True,
            ),
            e.Verification(
                google="1234567890",
                yandex="1234567890",
                bing="1234567890",
                alexa="1234567890",
            ),
            e.GeoPosition(
                icbm="55.86013028402754, -4.252019430273945",
                geo_position="55.86013028402754;-4.252019430273945",
                geo_region="en_GB",
                geo_placename="Duke of Wellington",
            ),
            e.SocialMediaCard(
                site_account="@example",
                creator_account="@example",
                title="Example",
                description="Example",
                image="https://example.com/image.png",
                image_alt="Example",
                site_name="Example",
                url="https://example.com",
                locale="en_US",
            ),
            e.Favicon(
                ico_icon_href="/static/favicons/favicon.ico",
                png_icon_16_href="/static/favicons/favicon-16x16.png",
                png_icon_32_href="/static/favicons/favicon-32x32.png",
                png_icon_64_href="/static/favicons/favicon-64x64.png",
                png_icon_96_href="/static/favicons/favicon-96x96.png",
                png_icon_180_href="/static/favicons/favicon-180x180.png",
                png_icon_196_href="/static/favicons/favicon-196x196.png",
                png_apple_touch_icon_57_href="/static/favicons/apple-touch-icon-57x57.png",
                png_apple_touch_icon_60_href="/static/favicons/apple-touch-icon-60x60.png",
                png_apple_touch_icon_72_href="/static/favicons/apple-touch-icon-72x72.png",
                png_apple_touch_icon_76_href="/static/favicons/apple-touch-icon-76x76.png",
                png_apple_touch_icon_114_href="/static/favicons/apple-touch-icon-114x114.png",
                png_apple_touch_icon_120_href="/static/favicons/apple-touch-icon-120x120.png",
                png_apple_touch_icon_144_href="/static/favicons/apple-touch-icon-144x144.png",
                png_apple_touch_icon_152_href="/static/favicons/apple-touch-icon-152x152.png",
                png_apple_touch_icon_167_href="/static/favicons/apple-touch-icon-167x167.png",
                png_apple_touch_icon_180_href="/static/favicons/apple-touch-icon-180x180.png",
                png_mstile_70_href="/static/favicons/mstile-70x70.png",
                png_mstile_270_href="/static/favicons/mstile-270x270.png",
                png_mstile_310x150_href="/static/favicons/mstile-310x150.png",
                png_mstile_310_href="/static/favicons/mstile-310x150.png",
            ),
            e.Link(rel="canonical", href="https://example.com"),
            e.Link(rel="canonical", href="https://example.co.uk"),
            e.Script(type_="module", src="/static/example.js"),
            e.Stylesheet("/static/main.css"),
        ])

        return render_template("index.html", head=head)

    return app

index.html:

<!DOCTYPE html>
<html lang="en">
<head>
<title>{{ head.title }}</title>
{{ head.compile(skip_title=True) }}
</head>

<body>
{% block content %}

{% endblock %}
</body>
</html>

or

<!DOCTYPE html>
<html lang="en">
<head>
{{ head.compile() }}
</head>

<body>
{% block content %}

{% endblock %}
</body>
</html>

Results in:

<html lang="en">
<head>
<title>Hello World</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1" >
<meta name="description" content="This is a test" >
<meta name="keywords" content="test,  hello,  world">
<meta name="subject" content="Hello World" >
<meta name="rating" content="General" >
<base href="http://127.0.0.1:5000">
<meta name="robots" content="index, follow" >
<meta http-equiv="Content-Security-Policy" content="default-src 'self'" >
<meta name="referrer" content="no-referrer" >
<meta name="googlebot" content="index, follow" >
<meta name="google" content="notranslate" >
<meta name="google-site-verification" content="1234567890" >
<meta name="yandex-verification" content="1234567890" >
<meta name="msvalidate.01" content="1234567890" >
<meta name="alexaVerifyID" content="1234567890" >
<meta name="ICBM" content="55.86013028402754, -4.252019430273945" >
<meta name="geo.position" content="55.86013028402754;-4.252019430273945" >
<meta name="geo.region" content="en_GB" >
<meta name="geo.placename" content="Duke of Wellington" >
<meta name="twitter:card" content="summary_large_image" >
<meta name="twitter:site" content="@example" >
<meta name="twitter:creator" content="@example" >
<meta name="twitter:title" content="Example" >
<meta name="twitter:description" content="Example" >
<meta name="twitter:image" content="https://example.com/image.png" >
<meta name="twitter:image:alt" content="Example" >
<meta name="twitter:url" content="https://example.com" >
<meta property="og:type" content="website" >
<meta property="og:locale" content="en_US" >
<meta property="og:site_name" content="Example" >
<meta property="og:title" content="Example" >
<meta property="og:description" content="Example" >
<meta property="og:image" content="https://example.com/image.png" >
<meta property="og:image:alt" content="Example" >
<meta property="og:url" content="https://example.com" >
<link rel="icon" href="/static/favicons/favicon.ico" sizes="16x16 32x32" type="image/x-icon">
<link rel="icon" href="/static/favicons/favicon-16x16.png" sizes="16x16" type="image/png">
<link rel="icon" href="/static/favicons/favicon-32x32.png" sizes="32x32" type="image/png">
<link rel="icon" href="/static/favicons/favicon-64x64.png" sizes="64x64" type="image/png">
<link rel="icon" href="/static/favicons/favicon-96x96.png" sizes="96x96" type="image/png">
<link rel="icon" href="/static/favicons/favicon-180x180.png" sizes="180x180" type="image/png">
<link rel="icon" href="/static/favicons/favicon-196x196.png" sizes="196x196" type="image/png">
<link rel="apple-touch-icon" href="/static/favicons/apple-touch-icon-57x57.png" sizes="57x57" type="image/png">
<link rel="apple-touch-icon" href="/static/favicons/apple-touch-icon-60x60.png" sizes="60x60" type="image/png">
<link rel="apple-touch-icon" href="/static/favicons/apple-touch-icon-72x72.png" sizes="72x72" type="image/png">
<link rel="apple-touch-icon" href="/static/favicons/apple-touch-icon-76x76.png" sizes="76x76" type="image/png">
<link rel="apple-touch-icon" href="/static/favicons/apple-touch-icon-114x114.png" sizes="114x114" type="image/png">
<link rel="apple-touch-icon" href="/static/favicons/apple-touch-icon-120x120.png" sizes="120x120" type="image/png">
<link rel="apple-touch-icon" href="/static/favicons/apple-touch-icon-144x144.png" sizes="144x144" type="image/png">
<link rel="apple-touch-icon" href="/static/favicons/apple-touch-icon-152x152.png" sizes="152x152" type="image/png">
<link rel="apple-touch-icon" href="/static/favicons/apple-touch-icon-167x167.png" sizes="167x167" type="image/png">
<link rel="apple-touch-icon" href="/static/favicons/apple-touch-icon-180x180.png" sizes="180x180" type="image/png">
<link rel="msapplication-square70x70logo" href="/static/favicons/mstile-70x70.png">
<link rel="msapplication-square270x270logo" href="/static/favicons/mstile-270x270.png">
<link rel="msapplication-wide310x150logo" href="/static/favicons/mstile-310x150.png">
<link rel="msapplication-wide310x150logo" href="/static/favicons/mstile-310x150.png">
<link rel="canonical" href="https://example.com">
<link rel="canonical" href="https://example.co.uk">
<script src="/static/example.js" type="module"></script>
<link rel="stylesheet" href="/static/main.css">
</head>
<body>
<h1>Flask App</h1>
<p>Right-Click view source</p>
</body>
</html>

Usage Examples

Route by Route

...
from pyhead import Head
from pyhead import elements as e
...

@app.get("/")
def index():
    head = Head([
        e.Page(
            title="Hello World",
            description="This is a test",
            keywords="test, hello, world",
            subject="Hello World",
            rating="General",
        )
    ])
    return render_template("index.html", head=head)

Copy and Extend

app/page_head.py

...
from pyhead import Head
from pyhead import elements as e
...

head = Head([
    e.Page(
        title="Hello World",
        description="This is a test",
        keywords="test, hello, world",
        subject="Hello World",
        rating="General",
    )
])

app/__init__.py

...
from app.page_head import head
from pyhead import elements as e
...


@app.get("/my-cool-page")
def my_cool_page():
    my_cool_page_head = head.copy().extend([
    e.Page(
      title="This is my cool page",
      description="This is a test",
      keywords="test, hello, world",
      subject="Hello World",
      rating="General",
    ),
    e.Robots(
      "index, follow"
    )
    ])
    return render_template("my_cool_page.html", head=my_cool_page_head)

Class Defined

app/page_head.py

...
from pyhead import HeadClass
from pyhead import elements as e
...

class MyHead(HeadClass):
    elements = [
        e.Page(
            title="Hello World",
            description="This is a test",
            keywords="test, hello, world",
            subject="Hello World",
            rating="General",
        )
    ]

app/__init__.py

...
from app.page_head import MyHead
from pyhead import elements as e
...


@app.get("/my-cool-page")
def my_cool_page():
    return render_template("my_cool_page.html", head=MyHead())

Flask Specific

`url_for` -> `FlaskUrlFor`

FlaskUrlFor is a class designed to lazily load the url_for function found in Flask. This is done to ensure that when compiled url_for will be invoked within context.

It has the same arguments as url_for but it will only call the url_for function when the Head is compiled.

Here's an example of how to use it:

...
from pyhead import Head
from pyhead import elements as e
from pyhead.flask import FlaskUrlFor
...

@app.get("/my-cool-page")
def my_cool_page():
    head = Head(
        [
            ...,
            e.Stylesheet(FlaskUrlFor("static", filename="main.css")),
            ...,
        ]
    )
    return render_template("my_cool_page.html", head=head)

CLI Commands

Generating favicons

You can generate favicons from a source image using the cli command pyhead favicons -s favicon-gen-test.png

This uses the python package favicons to generate the favicons.

You need to install the favicons package to use this command.

pip install favicons

All paths in the cli command are relative to the current working directory.

Only the following source formats are supported:

png, jpg, jpeg, gif, svg, tiff

-s, --source This will look for the image file to use

-o, --output This will be the output directory for the favicons

-hp, --href-prefix This will prefix the href tag in the output html

The following command:

pyhead favicons -s favicon-gen-test.png -o favicons -hp https://example.com

Will create a folder called favicons with the following files:

apple-touch-icon-57x57.png
apple-touch-icon-60x60.png
apple-touch-icon-72x72.png
apple-touch-icon-76x76.png
apple-touch-icon-114x114.png
apple-touch-icon-120x120.png
apple-touch-icon-144x144.png
apple-touch-icon-152x152.png
apple-touch-icon-167x167.png
apple-touch-icon-180x180.png
favicon-16x16.png
favicon-32x32.png
favicon-64x64.png
favicon-96x96.png
favicon-180x180.png
favicon-196x196.png
favicon-delete_me_after_use.html
favicon-delete_me_after_use.py
mstile-70x70.png
mstile-270x270.png
mstile-310x150.png
mstile-310x310.png

The favicon-delete_me_after_use.html file will contain the following:

<link rel="icon" href="https://example.com/favicon.ico" sizes="16x16 32x32">
<link rel="icon" href="https://example.com/favicon-16x16.png" sizes="16x16">
<link rel="icon" href="https://example.com/favicon-32x32.png" sizes="32x32">
<link rel="icon" href="https://example.com/favicon-64x64.png" sizes="64x64">
<link rel="icon" href="https://example.com/favicon-96x96.png" sizes="96x96">
<link rel="icon" href="https://example.com/favicon-180x180.png" sizes="180x180">
<link rel="icon" href="https://example.com/favicon-196x196.png" sizes="196x196">
<link rel="apple-touch-icon" href="https://example.com/apple-touch-icon-57x57.png" sizes="57x57">
<link rel="apple-touch-icon" href="https://example.com/apple-touch-icon-60x60.png" sizes="60x60">
<link rel="apple-touch-icon" href="https://example.com/apple-touch-icon-72x72.png" sizes="72x72">
<link rel="apple-touch-icon" href="https://example.com/apple-touch-icon-76x76.png" sizes="76x76">
<link rel="apple-touch-icon" href="https://example.com/apple-touch-icon-114x114.png" sizes="114x114">
<link rel="apple-touch-icon" href="https://example.com/apple-touch-icon-120x120.png" sizes="120x120">
<link rel="apple-touch-icon" href="https://example.com/apple-touch-icon-144x144.png" sizes="144x144">
<link rel="apple-touch-icon" href="https://example.com/apple-touch-icon-152x152.png" sizes="152x152">
<link rel="apple-touch-icon" href="https://example.com/apple-touch-icon-167x167.png" sizes="167x167">
<link rel="apple-touch-icon" href="https://example.com/apple-touch-icon-180x180.png" sizes="180x180">
<link rel="msapplication-square70x70logo" href="https://example.com/mstile-70x70.png">
<link rel="msapplication-square270x270logo" href="https://example.com/mstile-270x270.png">
<link rel="msapplication-wide310x150logo" href="https://example.com/mstile-310x150.png">
<link rel="msapplication-wide310x150logo" href="https://example.com/mstile-310x150.png">

The favicon-delete_me_after_use.py file will contain the following:

from pyhead.elements import Favicon

Favicon(
    ico_icon_href="https://example.com/favicon.ico",
    png_icon_16_href="https://example.com/favicon-16x16.png",
    png_icon_32_href="https://example.com/favicon-32x32.png",
    png_icon_64_href="https://example.com/favicon-64x64.png",
    png_icon_96_href="https://example.com/favicon-96x96.png",
    png_icon_180_href="https://example.com/favicon-180x180.png",
    png_icon_196_href="https://example.com/favicon-196x196.png",
    png_apple_touch_icon_57_href="https://example.com/apple-touch-icon-57x57.png",
    png_apple_touch_icon_60_href="https://example.com/apple-touch-icon-60x60.png",
    png_apple_touch_icon_72_href="https://example.com/apple-touch-icon-72x72.png",
    png_apple_touch_icon_76_href="https://example.com/apple-touch-icon-76x76.png",
    png_apple_touch_icon_114_href="https://example.com/apple-touch-icon-114x114.png",
    png_apple_touch_icon_120_href="https://example.com/apple-touch-icon-120x120.png",
    png_apple_touch_icon_144_href="https://example.com/apple-touch-icon-144x144.png",
    png_apple_touch_icon_152_href="https://example.com/apple-touch-icon-152x152.png",
    png_apple_touch_icon_167_href="https://example.com/apple-touch-icon-167x167.png",
    png_apple_touch_icon_180_href="https://example.com/apple-touch-icon-180x180.png",
    png_mstile_70_href="https://example.com/mstile-70x70.png",
    png_mstile_270_href="https://example.com/mstile-270x270.png",
    png_mstile_310x150_href="https://example.com/mstile-310x150.png",
    png_mstile_310_href="https://example.com/mstile-310x150.png",
)

Remember to delete the favicon-delete_me_after_use.html and favicon-delete_me_after_use.py files after use.

Name		Name	Last commit message	Last commit date
Latest commit History 88 Commits
.github/workflows		.github/workflows
app		app
src/pyhead		src/pyhead
.gitignore		.gitignore
.pre-commit-config.yaml		.pre-commit-config.yaml
LICENSE		LICENSE
README.md		README.md
favicon-gen-test.png		favicon-gen-test.png
pyproject.toml		pyproject.toml
uv.lock		uv.lock

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pyhead 🐍🤯

What is Pyhead?

Flask example

Usage Examples

Route by Route

Copy and Extend

Class Defined

Flask Specific

`url_for` -> `FlaskUrlFor`

CLI Commands

Generating favicons

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pyhead 🐍🤯

What is Pyhead?

Flask example

Usage Examples

Route by Route

Copy and Extend

Class Defined

Flask Specific

url_for -> FlaskUrlFor

CLI Commands

Generating favicons

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`url_for` -> `FlaskUrlFor`