mirror of
https://github.com/askama-rs/askama.git
synced 2025-09-30 06:21:13 +00:00
115 lines
3.9 KiB
Python
Executable File
115 lines
3.9 KiB
Python
Executable File
#!/usr/bin/env python3
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from base64 import b64decode
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from contextlib import closing
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from http.client import HTTPSConnection
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from io import StringIO
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from json import load
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from os import PathLike
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from pathlib import Path
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from time import sleep
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INDEX_HBS_DOMAIN = "api.github.com"
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INDEX_HBS_PORT = 443
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INDEX_HBS_PROTO = "GET"
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INDEX_HBS_PATH = "/repos/rust-lang/mdBook/contents/src/theme/index.hbs?ref=v0.4.40"
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INDEX_HBS_DATA = None
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INDEX_HBS_HEADERS = {
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"user-agent": "Update index.hbs for +https://github.com/askama-rs/askama",
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}
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SIDEBAR_STYLE = 'style="display:flex; flex-direction:column"'
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SCROLLBOX_END = r"""
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<div id="ethical-ad-placement" class="ethical-sidebar" data-ea-publisher="readthedocs" data-ea-type="image"></div>
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<readthedocs-flyout></readthedocs-flyout>
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"""
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TOC_START = '<div style="flex:1">'
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TOC_END = "</div>"
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SIDEBAR_END = r"""
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<script>
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document.addEventListener("DOMContentLoaded", function insertStyle () {
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const elem = customElements.get("readthedocs-flyout");
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if (elem) {
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elem.styles.insertRule(`
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.container {
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position: unset !important;
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max-width: unset !important;
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width: unset !important;
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height: unset !important;
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max-height: unset !important;
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}
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`);
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elem.styles.insertRule(`
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dl:has(#flyout-search-form) {
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display: none !important;
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}
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`);
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} else {
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setTimeout(insertStyle, 50);
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}
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});
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</script>
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"""
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def update_theme(target: PathLike) -> None:
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for i in reversed(range(3)):
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with closing(HTTPSConnection(INDEX_HBS_DOMAIN, INDEX_HBS_PORT)) as conn:
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conn.request(INDEX_HBS_PROTO, INDEX_HBS_PATH, INDEX_HBS_DATA, INDEX_HBS_HEADERS)
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res = conn.getresponse()
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if res.status == 200:
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data = load(res)
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break
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if i != 0:
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sleep(1.0)
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else:
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raise Exception(f"Status={res.status!r}")
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if data["encoding"] != "base64":
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raise Exception(f'Encoding={data["encoding"]!r}')
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input_f = StringIO(str(b64decode(data["content"]), "UTF-8"))
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output_f = StringIO()
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_, revision = data["git_url"].rsplit("/", 1)
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print("Source revision:", revision)
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state = "before-sidebar"
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for line in input_f:
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match state:
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case "before-sidebar" if '<nav id="sidebar"' in line:
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state = "before-scrollbox"
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case "before-scrollbox" if '<div class="sidebar-scrollbox"' in line:
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line = line[:-2] # remove '>\n'
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line = f"{line} {SIDEBAR_STYLE}>\n"
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state = "before-toc"
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case "before-toc" if "{{#toc}}{{/toc}}" in line:
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indent = line[: len(line) - len(line.lstrip())]
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line = f"{indent}{TOC_START}{line.strip()}{TOC_END}\n"
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state = "in-scrollbox"
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case "in-scrollbox" if line.strip() == "</div>":
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indent = line[: len(line) - len(line.lstrip())]
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for s in SCROLLBOX_END.splitlines():
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if s:
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print(indent, s, sep=" ", file=output_f)
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state = "in-sidebar"
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case "in-sidebar" if line.strip() == "</nav>":
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indent = line[: len(line) - len(line.lstrip())]
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for s in SIDEBAR_END.splitlines():
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if s:
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print(indent, s, sep=" ", file=output_f)
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state = "after-sidebar"
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output_f.write(line)
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if state != "after-sidebar":
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raise Exception(f"state={state!r}")
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output_f.seek(0, 0)
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with open(target, "wt") as f:
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print(output_f.read(), end="", file=f)
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if __name__ == "__main__":
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update_theme(Path(__file__).absolute().parent / "theme" / "index.hbs")
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