aurweb/aurweb/templates.py
Kevin Morris 4423326cec add the request parameter to render_template
This allows us to inspect things about the request we're rendering from.

* Use render_template(request, ...) in aurweb.routers.auth

Signed-off-by: Kevin Morris <kevr@0cost.org>
2021-06-05 20:11:17 -07:00

63 lines
2 KiB
Python

import copy
import os
from datetime import datetime
from http import HTTPStatus
import jinja2
from fastapi import Request
from fastapi.responses import HTMLResponse
import aurweb.config
from aurweb import l10n
# Prepare jinja2 objects.
loader = jinja2.FileSystemLoader(os.path.join(
aurweb.config.get("options", "aurwebdir"), "templates"))
env = jinja2.Environment(loader=loader, autoescape=True,
extensions=["jinja2.ext.i18n"])
# Add tr translation filter.
env.filters["tr"] = l10n.tr
def make_context(request: Request, title: str, next: str = None):
""" Create a context for a jinja2 TemplateResponse. """
return {
"request": request,
"language": l10n.get_request_language(request),
"languages": l10n.SUPPORTED_LANGUAGES,
"title": title,
# The 'now' context variable will not show proper datetimes
# until we've implemented timezone support here.
"now": datetime.now(),
"config": aurweb.config,
"next": next if next else request.url.path
}
def render_template(request: Request,
path: str,
context: dict,
status_code=int(HTTPStatus.OK)):
""" Render a Jinja2 multi-lingual template with some context. """
# Create a deep copy of our jinja2 environment. The environment in
# total by itself is 48 bytes large (according to sys.getsizeof).
# This is done so we can install gettext translations on the template
# environment being rendered without installing them into a global
# which is reused in this function.
templates = copy.copy(env)
translator = l10n.get_raw_translator_for_request(context.get("request"))
templates.install_gettext_translations(translator)
template = templates.get_template(path)
rendered = template.render(context)
response = HTMLResponse(rendered, status_code=status_code)
response.set_cookie("AURLANG", context.get("language"))
return response