"""Общие вставки в HTML-ответов (favicon и т.д.)."""
from __future__ import annotations
import re
from flask import Response
_FAVICON_TAGS = (
'\n'
' \n'
' '
)
_HAS_FAVICON_RE = re.compile(
r']+rel=["\'](?:shortcut\s+)?icon["\']',
re.IGNORECASE,
)
def inject_favicon_html(html: str) -> str:
"""Добавить favicon в , если его ещё нет."""
if _HAS_FAVICON_RE.search(html):
return html
if "" in html.lower():
return re.sub(
r"",
"\n " + _FAVICON_TAGS,
html,
count=1,
flags=re.IGNORECASE,
)
return _FAVICON_TAGS + "\n" + html
def _patch_html_response(response: Response, patch_fn) -> Response:
content_type = (response.content_type or "").lower()
if "text/html" not in content_type:
return response
if getattr(response, "direct_passthrough", False):
return response
try:
html = response.get_data(as_text=True)
except (TypeError, UnicodeDecodeError, RuntimeError):
return response
if not html or " str:
"""Скрыть курсор на страницах киоска (см. static/css/kiosk-cursor.css)."""
from flask import current_app
from app.kiosk_page_hints import is_kiosk_cursor_hidden_path
if not is_kiosk_cursor_hidden_path(path):
return html
if not current_app.config.get("WESP_KIOSK_HIDE_CURSOR", True):
return html
if "kiosk-cursor.css" in html:
return html
tag = (
'\n'
' '
)
if "" in html.lower():
return re.sub(
r"",
"\n " + tag,
html,
count=1,
flags=re.IGNORECASE,
)
return tag + "\n" + html
def _patch_head(html: str, path: str) -> str:
html = inject_favicon_html(html)
return inject_kiosk_cursor_html(html, path)
def apply_html_head_injects(response: Response, path: str) -> Response:
from app.kiosk_page_hints import apply_kiosk_translate_hints
response = apply_kiosk_translate_hints(response, path)
return _patch_html_response(response, lambda html: _patch_head(html, path))