from django.http import HttpRequest, HttpResponse
from django.template import loader
def accept(request: HttpRequest):
is_turbo_request = "text/vnd.turbo-stream.html" in request.headers.get("Accept", "")
disable_turbo = request.POST.get("disable_turbo", "false") == "true"
return is_turbo_request and not disable_turbo
def is_frame(request: HttpRequest, frame: str) -> bool:
return request.headers.get("Turbo-Frame") == frame
def frame(request: HttpRequest, template_name: str, context: dict) -> HttpResponse:
"""
Renders the specified template into an HTML skeleton including with
respective metadata. The template should only contain a frame. Used for
Turbo Frame requests that modify the top frame's URL.
"""
html = loader.render_to_string("shared/top_frame.html", context, request)
content = loader.render_to_string(template_name, context, request)
html = html.replace("", content)
response = HttpResponse(html, status=200)
return response
def update(
request: HttpRequest,
target: str,
template_name: str,
context: dict,
method: str | None = "",
) -> str:
"""Render a template wrapped in an update turbo-stream element."""
content = loader.render_to_string(template_name, context, request)
method_attr = f' method="{method}"' if method else ""
return f'{content}'
def replace(
request: HttpRequest,
target: str,
template_name: str,
context: dict,
method: str | None = "",
) -> str:
"""Render a template wrapped in a replace turbo-stream element."""
content = loader.render_to_string(template_name, context, request)
method_attr = f' method="{method}"' if method else ""
return f'{content}'
def stream(*streams: str) -> HttpResponse:
"""Combine multiple stream elements into a turbo-stream response."""
return HttpResponse(
"\n".join(streams),
status=200,
content_type="text/vnd.turbo-stream.html",
)