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
See Makefile:
make test
or to test a single function:
python3.7 -m unittest tests.test_javascript.domonicTestCase.test_javascript_array
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 Array
myArr=Array(1,2,3)
print(myArr.splice(1))
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)
# from domonic.javascript import Global
# Global.decodeURIComponent(...
# Global.encodeComponent(...
# from domonic.javascript import Date
# etc..
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 by using 'html' which is available on every Element:
div( _class="container" ).html("Some content")
This is NOT like jQuery html func that returns just the inner content. use innerHTML for that.
It is used specifically for rendering.
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
join in
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.
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