generate html with python 3
Project description
domonic
Generate html with python 3! (and much more)
Now contains 4 main packages: (but by no means are any of them complete)
• html : Generate html with python3 😎
• dom : DOM API in python3 😲
• javascript : js API in python3 😳
• terminal : call terminal commands with python3 😱 -NEW (see at the end)
HTML TEMPLATING
from domonic import *
output = render(
html(
head(
style(),
script(),
),
body(
div("hello world"),
a("this is a link", _href="http://www.somesite.com", _style="font-size:10px;"),
ol(''.join([f'{li()}' for thing in range(5)])),
h1("test", _class="test"),
)
)
)
<html><head><style></style><script></script></head><body><div>hello world</div><a href="http://www.somesite.com" style="font-size:10px;">this is a link</a><ol><li></li><li></li><li></li><li></li><li></li></ol><h1 class="test">test</h1></body></html>
install
python3 -m pip install domonic
or if you had it before upgrade:
python3 -m pip install domonic --upgrade
usage
print(html(body(h1('Hello, World!'))))
<html><body><h1>Hello, World!</h1></body></html>
attributes
prepend attributes with an underscore ( avoids clashing with python keywords )
test = label(_class='classname', _for="someinput")
print(test)
<label class="classname" for="someinput"></label>
lists
just do list comprehension and join it to strip the square brackets
ul(''.join([f'{li()}' for thing in range(5)])),
<ul><li></li><li></li><li></li><li></li></ul>
rendering
render takes 2 parameters, some domonic and an optional output file.
page = div(span('Hello World'))
render(page, 'index.html')
data-tags
python doesn't allow hyphens in parameter names. so use variable keyword argument syntax for custom data-tags
div("test", **{"_data-test":"test"} )
fugly
use your own methods to prettify. the example uses a library that leverages beautifulsoup. i.e.
output = render(html(body(h1('Hello, World!'))))
from html5print import HTMLBeautifier
print(HTMLBeautifier.beautify(output, 4))
run tests
python3 test_domonic.py
python3 test_javascript.py
python3 test_terminal.py
MORE
javascript
There is a javascript package being started that mirrors the js API:
from domonic.javascript import Math
print(Math.random())
from domonic.javascript import URL
url = URL('https://somesite.com/blog/article-one#some-hash')
print(url.protocol)
print(url.host)
print(url.pathname)
print(url.hash)
You can update a-tags the same way as it inherits from URL:
from domonic import *
atag = a(_href="https://somesite.com:8000/blog/article-one#some-hash")
print('href:',atag.href)
print('protocol:',atag.protocol)
print('port:',atag.port)
atag.protocol = "http"
atag.port = 8983
print(atag)
several other undocumented features. take a look at the code.
terminal (NEW)
There is a command line package being started that can call bash/unix/posix and other apps on the command line:
This package only works on nix systems as it effectively just passes stuff off to subprocess.
from domonic.terminal import *
print(ls())
print(ls("-al"))
print(ls("../"))
print(pwd())
print(mkdir('somedir'))
print(touch('somefile'))
print(git('status'))
for file in ls( "-al" ):
print("Line : ", file)
for f in ls():
try:
print(f)
print(cat(f))
except Exception as e:
pass
for i, l in enumerate(cat('LICENSE.txt')):
print(i,l)
print(man("ls"))
print(echo('test'))
print(df())
print(du())
for thing in du():
print(thing)
print(find('.'))
# print(ping('eventual.technology'))# < TODO - need to strean output
print(cowsay('moo'))
print(wget('eventual.technology'))
print(date())
print(cal())
Take a look at the code in 'terminal.py' to see all the commands as there's loads. (Disclaimer: not all tested.)
DOCS
notes on templating
while you can create a div with content like :
div("some content")
python doesn't allow named params before unamed ones. So you can't do this:
div(_class="container", p("Some content") )
or it will complain the params are in the wrong order. You have to instead put content before attributes:
div( p("Some content"), _class="container")
which is annoying when a div gets long. You can get around this several ways.
With 'innerHTML' which is available on every Node:
div( _class="container" ).innerHTML("Some content")
With 'html' which is available on every Node:
div( _class="container" ).html("Some content")
Common Errors
If code is incorrectly typed it will obviously not work. Here are some common errors I've noticed when creating large templates... ( i.e. bootstrap5 examples in test_domonic.py )
IndexError: list index out of range - You most likely didn't put a underscore on an attribute.
SyntaxError: invalid syntax - You are Missing a comma between attributes
SyntaxError: positional argument follows keyword argument - You have to pass attributes LAST. and strings and objects first. see docs
TypeError: unsupported operand type(s) for ** or pow(): 'str' and 'dict' - You are Missing a comma between attributes. before the **{}
TODO - catch these errors and raise a friendly custom ParseError that tells you what to fix
help
Feel free to send pull requests. I'll merge and releaese asap.
disclaimer
exerimental/learning project
There's a complete more supported library I found already doing similar called 'dominate' . So if you want to do something like this, use that.
Notes
https://medium.com/@joel.barmettler/how-to-upload-your-python-package-to-pypi-65edc5fe9c56
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