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38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
# Borrowed from the excellent accent-starlette
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# https://github.com/accent-starlette/starlette-core/blob/master/starlette_core/templating.py
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import typing
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from starlette import templating
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from starlette.datastructures import QueryParams
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from starlette.requests import Request
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from lnbits.requestvars import g
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try:
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import jinja2
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except ImportError: # pragma: nocover
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jinja2 = None # type: ignore
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class Jinja2Templates(templating.Jinja2Templates):
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def __init__(self, loader: jinja2.BaseLoader) -> None:
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assert jinja2 is not None, "jinja2 must be installed to use Jinja2Templates"
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self.env = self.get_environment(loader)
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def get_environment(self, loader: "jinja2.BaseLoader") -> "jinja2.Environment":
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@jinja2.pass_context
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def url_for(context: dict, name: str, **path_params: typing.Any) -> str:
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request: Request = context["request"]
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return request.app.url_path_for(name, **path_params)
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def url_params_update(init: QueryParams, **new: typing.Any) -> QueryParams:
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values = dict(init)
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values.update(new)
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return QueryParams(**values)
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env = jinja2.Environment(loader=loader, autoescape=True)
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env.globals["url_for"] = url_for
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env.globals["url_params_update"] = url_params_update
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return env
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