ahserver_g/ahserver/myTE.py

60 lines
1.7 KiB
Python
Executable File

import os
import codecs
from appPublic.Singleton import SingletonDecorator
from appPublic.jsonConfig import getConfig
from jinja2 import Template,Environment, BaseLoader
from .serverenv import ServerEnv
from .url2file import Url2File, TmplUrl2File
class TmplLoader(BaseLoader, TmplUrl2File):
def __init__(self, paths, indexes, subffixes=['.tmpl'], inherit=False):
BaseLoader.__init__(self)
TmplUrl2File.__init__(self,paths,indexes=indexes,subffixes=subffixes, inherit=inherit)
def get_source(self,env: Environment,template: str):
config = getConfig()
coding = config.website.coding
fp = self.url2file(template)
# print(f'{template=} can not transfer to filename')
if not os.path.isfile(fp):
raise TemplateNotFound(template)
mtime = os.path.getmtime(fp)
with codecs.open(fp,'r',coding) as f:
source = f.read()
return source,fp,lambda:mtime == os.path.getmtime(fp)
def join_path(self,name, parent):
return self.relatedurl(parent,name)
def list_templates(self):
return []
class TemplateEngine(Environment):
def __init__(self,loader=None):
Environment.__init__(self,loader=loader, enable_async=True)
self.urlpaths = {}
self.loader = loader
def join_path(self,template: str, parent: str):
return self.loader.join_path(template, parent)
async def render(self,___name: str, **globals):
t = self.get_template(___name,globals=globals)
return await t.render_async(globals)
def setupTemplateEngine():
config = getConfig()
subffixes = [ i[0] for i in config.website.processors if i[1] == 'tmpl' ]
loader = TmplLoader(config.website.paths,
config.website.indexes,
subffixes,
inherit=True)
engine = TemplateEngine(loader)
g = ServerEnv()
g.tmpl_engine = engine