move pydom and elements from pyweb to pyscript.web (#2092)

* change pydom example to use new pyscript.web namespace

* change tests to use new pyscript.web namespace

* create new pyscript.web package and move pydom to pyscript.web.dom

* add __init__ to pyscript.web and expose the dom instance instead of the pyscript.web.dom module

* move elements from pyweb.ui to pyscript.web and temp fix pydom import

* moved of elements file completed

* moved media from pyweb to pyscript.web

* RIP pyweb

* move JSProperty from pyscript.web.dom to pyscript.web.elements

* move element classes from pyscript.web.dom to pyscript.web.elements

* first round of fixes while running tests

* fix test typo

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* restore right type type returned for Element.parent. ALL TESTS PASS LOCALLY NOW

* lint

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* clean up dom.py from dead commented code and osbolete comments

* bugfix: dom shouldn't return None when it can't find any element for a specific selector so it now returns an empty collection

* additional cleanup in tests

* lint

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

pyscript.core/test/pydom.py

@@ -4,7 +4,7 @@ import time
 from datetime import datetime as dt
 
 from pyscript import display, when
-from pyweb import pydom
+from pyscript.web import dom
 
 display(sys.version, target="system-info")
 
@@ -19,18 +19,15 @@ def on_click():
         tstr = "{:02d}/{:02d}/{:04d} {:02d}:{:02d}:{:02d}"
         timenow = tstr.format(tnow[2], tnow[1], tnow[0], *tnow[2:])
 
-    display(f"Hello from PyScript, time is: {timenow}", append=False, target="result")
+    display(f"Hello from PyScript, time is: {timenow}", append=False, target="#result")
 
 
 @when("click", "#color-button")
 def on_color_click(event):
-    btn = pydom["#result"]
+    btn = dom["#result"]
     btn.style["background-color"] = f"#{random.randrange(0x1000000):06x}"
 
 
 @when("click", "#color-reset-button")
 def reset_color(*args, **kwargs):
-    pydom["#result"].style["background-color"] = "white"
-
-
-# btn_reset = pydom["#color-reset-button"][0].when('click', reset_color)
+    dom["#result"].style["background-color"] = "white"