You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.6 KiB
75 lines
2.6 KiB
"""Define a Jinja2 processor which embeds the (presumably HTML) input stream into a Page Template
|
|
as defined in the ctx metadata (the ``content`` variable is assigned to the input stream and
|
|
the target template is rendered)."""
|
|
|
|
import os
|
|
from typing import Dict, Iterable, Optional, cast
|
|
|
|
from jinja2 import Environment, FileSystemLoader
|
|
|
|
from .processors import Processor
|
|
|
|
|
|
class Jinja2PageEmbed(Processor):
|
|
"""Embed input stream as ``content`` variable in page template defined in context key ``template``."""
|
|
|
|
def filename(self, oldname: str, ctx: Optional[Dict] = None) -> str:
|
|
"""Return the filename of the post-processed file.
|
|
|
|
Arguments:
|
|
oldname (str): the previous name for the file.
|
|
ctx (dict, optional): A context object generated from the processor configuration
|
|
|
|
Returns:
|
|
str: the new name for the file
|
|
|
|
"""
|
|
|
|
return os.path.splitext(oldname)[0] + ".html"
|
|
|
|
def mime_type(self, oldname: str, ctx: Optional[Dict] = None) -> str:
|
|
"""Return the mimetype of the post-processed file.
|
|
|
|
Arguments:
|
|
oldname (str): the input filename
|
|
ctx (dict, optional): A context object generated from the processor configuration
|
|
|
|
Returns:
|
|
str: the new mimetype of the file after processing
|
|
|
|
"""
|
|
return "text/html"
|
|
|
|
def process(self, input_file: Iterable, ctx: Optional[Dict] = None) -> Iterable:
|
|
"""Return an iterable object of the post-processed file.
|
|
|
|
Arguments:
|
|
input_file (iterable): An input stream
|
|
ctx (dict, optional): A context object generated from the processor configuration
|
|
|
|
Returns:
|
|
iterable: The post-processed output stream
|
|
"""
|
|
ctx = cast(Dict, ctx)
|
|
template_env = Environment(loader=FileSystemLoader(ctx["templates"]), extensions=["jinja2.ext.do"])
|
|
template_env.globals.update(ctx["globals"])
|
|
template_env.filters.update(ctx["filters"])
|
|
tmpl = template_env.get_template(ctx["template"])
|
|
content = "".join([x for x in input_file])
|
|
return tmpl.render(content=content, metadata=ctx)
|
|
|
|
def extension(self, oldname: str, ctx: Optional[Dict] = None) -> str:
|
|
"""Return the mimetype of the post-processed file.
|
|
|
|
Arguments:
|
|
oldname (str): the input filename
|
|
ctx (dict, optional): A context object generated from the processor configuration
|
|
|
|
Returns:
|
|
str: the new extension of the file after processing
|
|
|
|
"""
|
|
return "html"
|
|
|
|
|
|
processor = Jinja2PageEmbed
|
|
|