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import json
from pathlib import Path
def load_json(name):
file_path = Path(__file__).parent.parent / Path(name)
with open(file_path, "r") as f:
return json.load(f)
def to_str(v):
if isinstance(v, (tuple, list)):
return v
return f'"{v}"'
def to_doc_str(v):
if isinstance(v, (tuple, list)):
return v[0]
return v
class HtmlEntry:
def __init__(self, html_element, html_attributes, html_events):
self.name = html_element.capitalize()
self.html_element = html_element
self.html_attributes = list(map(to_str, html_attributes))
self.html_events = list(map(to_str, html_events))
self._raw_props = html_attributes
self._raw_events = html_events
def __str__(self):
lines = []
lines.append(f"class {self.name}(HtmlElement):")
lines.append(' """')
lines.append(" Properties:\n")
for name in self._raw_props:
lines.append(f" :param {to_doc_str(name)}:")
lines.append("\n Events:\n")
for name in self._raw_events:
lines.append(f" :param {to_doc_str(name)}:")
lines.append('\n """')
lines.append(" def __init__(self, children=None, **kwargs):")
lines.append(
f' super().__init__("{self.html_element}", children, **kwargs)'
)
# List attributes
if len(self.html_attributes):
lines.append(" self._attr_names += [")
for attr in self.html_attributes:
lines.append(f" {attr},")
lines.append(" ]")
# List events
if len(self.html_attributes):
lines.append(" self._event_names += [")
for event in self.html_events:
lines.append(f" {event},")
lines.append(" ]")
lines.append("")
return "\n".join(lines)
# -----------------------------------------------------------------------------
HTML_ATTRIBUTES = load_json("resources/attributes.json")
HTML_EVENTS = load_json("resources/events.json")
HTML_VUEJS = load_json("resources/vue.json")
HTML_ELEMENTS = set(HTML_ATTRIBUTES.keys())
HTML_ELEMENTS.discard("*")
def attributes(name):
return (
HTML_ATTRIBUTES.get("*", [])
+ HTML_VUEJS["attributes"].get("*", [])
+ HTML_ATTRIBUTES.get(name, [])
+ HTML_VUEJS["attributes"].get(name, [])
)
def events(name):
return (
HTML_EVENTS.get("*", [])
+ HTML_VUEJS["events"].get("*", [])
+ HTML_EVENTS.get(name, [])
+ HTML_VUEJS["events"].get(name, [])
)
def generate_html_elements():
dst_file = Path(__file__).parent / Path("html.py")
output = [
"# Generated file - DO NOT EDIT",
"from .core import (",
" HtmlElement,",
" Template,",
" Component,",
" Transition,",
" TransitionGroup,",
" KeepAlive,",
" Teleport,",
" Suspense,",
")",
"from .. import module",
"",
"HtmlElement.MODULE = module",
"",
]
# Fill __all__
output.append("__all__ = [")
output.append(' "Template",')
output.append(' "Component",')
output.append(' "Transition",')
output.append(' "TransitionGroup",')
output.append(' "KeepAlive",')
output.append(' "Teleport",')
output.append(' "Suspense",')
for elem in HTML_ELEMENTS:
output.append(f' "{elem.capitalize()}",')
output.append("]\n\n")
# Fill classes
for elem in HTML_ELEMENTS:
output.append(str(HtmlEntry(elem, attributes(elem), events(elem))))
with open(dst_file, "w") as f:
f.write("\n".join(output))
if __name__ == "__main__":
print("Generating HTML elements...")
generate_html_elements()
print("Done...")
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