css: remove css commands for now
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parent
9de6689954
commit
b3f1e4823e
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@ -10,7 +10,6 @@ from click import argument, group, option, pass_context, pass_obj
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from frontools.cache import FileCache
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from frontools.config import Config
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from frontools.css import css_diff
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from frontools.screenshot import screenshot_diff
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@ -96,20 +95,6 @@ def prune_caches(cache_names: list[str]) -> None:
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FileCache.prune(cache_names)
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@main.command(name="css-diff")
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@argument("right_source", type=str)
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@pass_obj
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@_async_command
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async def css_diff_cli(config: Config, right_source: str) -> None:
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"""Diff CSS"""
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for _, url in config.urls:
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await css_diff(
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url,
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config.source,
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config.get_source(right_source),
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)
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@main.command(name="screenshot-diff")
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@argument("source", type=str)
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@option("-o", "--output-directory", type=PathArgument(), default=None)
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117
frontools/css.py
117
frontools/css.py
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@ -1,117 +0,0 @@
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"""Css related functions"""
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from enum import Enum
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from typing import AsyncIterable, Iterator
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from urllib.parse import urljoin
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from bs4 import BeautifulSoup
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from tinycss2 import parse_stylesheet
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from tinycss2.ast import (
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IdentToken,
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LiteralToken,
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Node,
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SquareBracketsBlock,
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WhitespaceToken,
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)
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from tinycss2.parser import QualifiedRule
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from frontools.sources import Source
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async def css_diff(url: str, left_source: Source, right_source: Source) -> None:
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"""Print different stylesheets in the given url"""
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async for css_url in _get_stylesheets(url, left_source):
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if css_url is None:
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continue
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left_stylesheet_content = await left_source.get_url(css_url)
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assert left_stylesheet_content is not None
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right_stylesheet_content = await right_source.get_url(urljoin(url, css_url))
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assert right_stylesheet_content is not None
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left_sheet = parse_stylesheet(
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left_stylesheet_content.decode("utf-8"), True, True
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)
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right_sheet = parse_stylesheet(
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right_stylesheet_content.decode("utf-8"), True, True
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)
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left_selector_index = _get_selector_index(left_sheet)
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right_selector_index = _get_selector_index(right_sheet)
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for selector, rule in left_selector_index.items():
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if selector not in right_selector_index:
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print(rule)
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def _get_selector_index(rule_list: list[QualifiedRule]) -> dict[str, QualifiedRule]:
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result: dict[str, QualifiedRule] = {}
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for rule in rule_list:
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selector = _parse_selector(iter(rule.prelude))
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print(selector)
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return result
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class Combinator(Enum):
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CHILD = 0
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DIRECT_CHILD = 1
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ADJACENT_SIBLING = 2
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GENERAL_SIBLING = 3
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class Selector:
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def __init__(self) -> None:
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self._classes: set[str] = set()
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self._combined = dict[Combinator, "Selector"]
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def _parse_selector(token_iterator: Iterator[Node]) -> Selector:
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try:
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classes: set[str] = set()
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child_selectors: dict[Combinator, Selector] = {}
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token = next(token_iterator)
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tag = ""
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attributes: dict[str, str] = {}
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while True:
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while isinstance(token, WhitespaceToken):
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token = next(token_iterator)
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if isinstance(token, LiteralToken):
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if token.value == ".":
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while True:
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token = next(token_iterator)
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assert isinstance(token, IdentToken)
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classes.add(token.value)
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token = next(token_iterator)
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if not isinstance(token, LiteralToken) or token.value != ".":
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break
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else:
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combinator_mappings = {
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"+": Combinator.ADJACENT_SIBLING,
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">": Combinator.DIRECT_CHILD,
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"~": Combinator.GENERAL_SIBLING,
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}
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if token.value in combinator_mappings:
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combinator = combinator_mappings[token.value]
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child_selectors[combinator] = _parse_selector(token_iterator)
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elif isinstance(token, IdentToken):
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tag = token.value
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token = next(token_iterator)
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elif isinstance(token, SquareBracketsBlock):
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# parse attributes
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token = next(token_iterator)
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except StopIteration:
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pass
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return Selector()
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async def _get_stylesheets(url: str, source: Source) -> AsyncIterable[str]:
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page = await source.get_url(url)
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page_html = BeautifulSoup(page, features="html5lib")
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links = page_html.find_all("link")
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for link in links:
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if "stylesheet" not in link.get("rel", []):
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continue
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yield urljoin(url, link["href"])
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